forks/gldragon: gldragon.cpp annotate

annotate gldragon.cpp @ 55:bf73a2a70ec7

Add OpenGL error checking.

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 06 Dec 2019 23:29:26 +0200
parents	73fa5fb437a0
children	3f635b7ea2cf

rev	line source
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	1 //
22 03b86b9c2f29 Add copyright blurbs and licenses. Matti Hamalainen <ccr@tnsp.org> parents: 21 diff changeset	2 // GLDragon - OpenGL PLY model viewer / simple benchmark
03b86b9c2f29 Add copyright blurbs and licenses. Matti Hamalainen <ccr@tnsp.org> parents: 21 diff changeset	3 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	4 // (C) Copyright 2019 Tecnic Software productions (TNSP)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	5 //
22 03b86b9c2f29 Add copyright blurbs and licenses. Matti Hamalainen <ccr@tnsp.org> parents: 21 diff changeset	6 // See file "COPYING" for license information.
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	7 //
22 03b86b9c2f29 Add copyright blurbs and licenses. Matti Hamalainen <ccr@tnsp.org> parents: 21 diff changeset	8 // Originally based on 'glxdragon' Copyright (c) 2009, Thomas Trummer
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	9 //
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	10 #include <SDL.h>
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	11 #include <SDL_opengl.h>
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	12 #include <GL/glu.h>
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	13
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	14 #include "dmutil.h"
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	15 #include "dmmodel.h"
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	16
16 c134a186912f Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 15 diff changeset	17
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	18 /* Default settings etc. constants
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	19 */
18 b1e75c65016d Check for "too large" shader files. Matti Hamalainen <ccr@tnsp.org> parents: 17 diff changeset	20 #define SET_DEF_WIDTH 1280
b1e75c65016d Check for "too large" shader files. Matti Hamalainen <ccr@tnsp.org> parents: 17 diff changeset	21 #define SET_DEF_HEIGHT 960
b1e75c65016d Check for "too large" shader files. Matti Hamalainen <ccr@tnsp.org> parents: 17 diff changeset	22 #define SET_FRAMES (180)
b1e75c65016d Check for "too large" shader files. Matti Hamalainen <ccr@tnsp.org> parents: 17 diff changeset	23 #define SET_MAX_SHADER_SIZE (128 * 1024)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	24
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	25
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	26 /* Options
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	27 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	28 bool optUseShaders = false;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	29 int optWidth = SET_DEF_WIDTH,
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	30 optHeight = SET_DEF_HEIGHT,
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	31 optVSyncMode = 1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	32
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	33
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	34 /* Globals
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	35 */
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	36 SDL_Window *dmWindow = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	37 SDL_GLContext dmGLContext = NULL;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	38
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	39
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	40 /* Helpers
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	41 */
55 bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	42 bool dmGLCheckErrors(void)
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	43 {
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	44 bool ok = true;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	45 GLenum err;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	46 while ((err = glGetError()) != GL_NO_ERROR)
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	47 {
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	48 dmError("OpenGL error code: 0x%x (%d)\n", err);
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	49 ok = false;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	50 }
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	51 return ok;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	52 }
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	53
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	54
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	55 #ifdef GL_GLEXT_PROTOTYPES
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	56 #define DM_GLEXT_INIT(extproctype, extprocname) /* stub */
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	57 #else
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	58 #define DM_GLEXT_INIT(extproctype, extprocname) extproctype extprocname = NULL;
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	59 #include "dmglexts.h"
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	60 #undef DM_GLEXT_INIT
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	61
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	62
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	63 void dmGLCheckExtension(const std::string &name, bool &status)
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	64 {
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	65 if (!SDL_GL_ExtensionSupported(name.c_str()))
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	66 {
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	67 status = false;
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	68 dmMsg(" - '%s' NOT supported.\n",
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	69 name.c_str());
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	70 }
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	71 }
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	72
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	73
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	74 void * dmGLGetProcAddr(const std::string &name)
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	75 {
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	76 void *ptr = SDL_GL_GetProcAddress(name.c_str());
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	77
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	78 if (ptr == NULL)
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	79 dmMsg(" - '%s' NOT supported.\n");
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	80
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	81 return ptr;
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	82 }
45 534eccdd33d4 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 44 diff changeset	83
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	84
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	85 void * dmGLExtInit(const std::string &name, bool &status)
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	86 {
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	87 void *ptr;
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	88 bool ok =
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	89 (ptr = dmGLGetProcAddr(name)) != NULL \|\|
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	90 (ptr = dmGLGetProcAddr(name + "EXT")) != NULL \|\|
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	91 (ptr = dmGLGetProcAddr(name + "ARB")) != NULL;
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	92
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	93 if (!ok)
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	94 status = false;
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	95
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	96 return ptr;
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	97 }
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	98 #endif
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	99
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	100
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	101 bool dmInitGLExtensions(void)
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	102 {
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	103 bool status = true;
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	104 dmMsg("Checking for required OpenGL extensions ..\n");
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	105
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	106 #ifndef GL_GLEXT_PROTOTYPES
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	107 dmGLCheckExtension("GL_ARB_shader_objects", status);
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	108 dmGLCheckExtension("GL_ARB_shading_language_100", status);
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	109 dmGLCheckExtension("GL_ARB_vertex_shader", status);
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	110 dmGLCheckExtension("GL_ARB_fragment_shader", status);
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	111 if (!status)
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	112 {
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	113 dmError("One or more of the required OpenGL extensions not supported.\n");
52 6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	114 return false;
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	115 }
6343c3392a95 After looking at many incorrect examples, the correct method for GL Matti Hamalainen <ccr@tnsp.org> parents: 51 diff changeset	116
51 9c6654647608 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 50 diff changeset	117 #define DM_GLEXT_INIT(extproctype, extprocname) \
9c6654647608 Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 50 diff changeset	118 extprocname = (extproctype) dmGLExtInit(#extprocname, status);
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	119 #include "dmglexts.h"
53 d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	120 #endif
d871e4b24328 Be less verbose when checking for GL extensions, only inform when something Matti Hamalainen <ccr@tnsp.org> parents: 52 diff changeset	121
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	122 return status;
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	123 }
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	124
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	125
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	126 bool dmInitSDLGL(const int width, const int height, const char *title)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	127 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	128 int ret;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	129 std::string msg;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	130
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	131 // Attempt to initialize libSDL
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	132 if (SDL_Init(SDL_INIT_VIDEO \| SDL_INIT_TIMER \| SDL_INIT_EVENTS) != 0)
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	133 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	134 dmError("Unable to initialize SDL: %s\n",
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	135 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	136 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	137 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	138
44 d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	139 // Set GL attributes
46 0c75c5f5c6b6 Downgrade GL version to 2.1. Matti Hamalainen <ccr@tnsp.org> parents: 45 diff changeset	140 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
0c75c5f5c6b6 Downgrade GL version to 2.1. Matti Hamalainen <ccr@tnsp.org> parents: 45 diff changeset	141 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
44 d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	142 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	143
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	144 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	145 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	146 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	147 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	148
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	149 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	150 //SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	151 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
d93b1c2690f8 Set SDL_GL_* attributes after initializing SDL, but before creating window or OpenGL context. Matti Hamalainen <ccr@tnsp.org> parents: 42 diff changeset	152
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	153 // Attempt to create a window
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	154 if ((dmWindow = SDL_CreateWindow(title,
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	155 SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	156 width, height,
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	157 SDL_WINDOW_OPENGL \| SDL_WINDOW_SHOWN \| SDL_WINDOW_RESIZABLE)) == NULL)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	158 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	159 dmError("Could not create SDL window: %s",
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	160 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	161 return false;
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	162 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	163
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	164 if ((dmGLContext = SDL_GL_CreateContext(dmWindow)) == NULL)
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	165 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	166 dmError("Unable to create SDL OpenGL context: %s\n",
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	167 SDL_GetError());
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	168 return false;
be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	169 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	170
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	171 // Check if we want to attempt to use vsync
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	172 switch (optVSyncMode)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	173 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	174 case 3:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	175 ret = SDL_GL_SetSwapInterval(-1);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	176 msg = "adaptive vsync";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	177 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	178
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	179 case 2:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	180 ret = SDL_GL_SetSwapInterval(1);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	181 msg = "synchronized (vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	182 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	183
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	184 case 1:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	185 ret = SDL_GL_SetSwapInterval(0);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	186 msg = "immediate (no vsync)";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	187 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	188
38 372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	189 case 0:
372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	190 msg = "vsync handling disabled";
372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	191 ret = 0;
372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	192 break;
372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	193
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	194 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	195 ret = -1;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	196 msg = "INVALID VSYNC MODE";
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	197 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	198 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	199
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	200 if (ret != 0)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	201 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	202 dmError("Could not set vsync mode to %s.\n",
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	203 msg.c_str());
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	204 return false;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	205 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	206
42 3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	207 // Get/initialize OpenGL extension function pointers
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	208 if (optUseShaders && !dmInitGLExtensions())
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	209 return false;
3c7e1d3fa5a2 Implement OpengL extension handling through new header file dmglexts.h to Matti Hamalainen <ccr@tnsp.org> parents: 39 diff changeset	210
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	211 // Dump some information
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	212 dmMsg("GL_VENDOR : %s\n", glGetString(GL_VENDOR));
9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	213 dmMsg("GL_RENDERER : %s\n", glGetString(GL_RENDERER));
9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	214 dmMsg("GL_VERSION : %s\n", glGetString(GL_VERSION));
9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	215 dmMsg("VSync mode : %s\n", msg.c_str());
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	216
55 bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	217 if (!dmGLCheckErrors())
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	218 return false;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	219
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	220 // Setup the window and view port
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	221 glViewport(0, 0, width, height);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	222
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	223 glMatrixMode(GL_PROJECTION);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	224 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	225
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	226 gluPerspective(45.0f, GLfloat(width) / GLfloat(height), 0.1f, 1000.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	227
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	228 glMatrixMode(GL_MODELVIEW);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	229 glLoadIdentity();
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	230
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	231 // Enable back face culling
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	232 glEnable(GL_CULL_FACE);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	233
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	234 // Enable smooth shading
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	235 glShadeModel(GL_SMOOTH);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	236
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	237 // Enable the depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	238 glEnable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	239
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	240 // Enable normal rescaling
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	241 glEnable(GL_RESCALE_NORMAL);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	242
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	243 // Setup depth buffer
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	244 glClearDepth(1.0f);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	245
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	246 // Set the depth buffer function
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	247 glDepthFunc(GL_LEQUAL);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	248
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	249 // Enable vertex and and normal arrays
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	250 glEnableClientState(GL_VERTEX_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	251 glEnableClientState(GL_NORMAL_ARRAY);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	252
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	253 // Set correct perspective correction
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	254 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	255
55 bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	256 return dmGLCheckErrors();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	257 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	258
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	259
37 73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	260 void dmDrawModel(const DMSimpleScene &scene, const DMModel &model)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	261 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	262 int maxIndices;
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	263
37 73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	264 if (optUseShaders)
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	265 {
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	266 // Enable shader program
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	267 glUseProgram(model.id_prog);
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	268 glUniform1i(glGetUniformLocation(model.id_prog, "nlights"), scene.lights.size());
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	269 }
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	270
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	271 // Set the material of the model
54 73fa5fb437a0 Fumbling around. Matti Hamalainen <ccr@tnsp.org> parents: 53 diff changeset	272 glEnable(GL_COLOR_MATERIAL);
32 1215fdd0a8ab Add support for specifying specular and shininess values per model. Matti Hamalainen <ccr@tnsp.org> parents: 31 diff changeset	273 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
48 0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	274 glMateriali(GL_FRONT, GL_SHININESS, model.material.shininess);
0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	275 glMaterialfv(GL_FRONT, GL_SPECULAR, model.material.specular.values);
0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	276 glColor4fv(model.material.diffuse.values);
32 1215fdd0a8ab Add support for specifying specular and shininess values per model. Matti Hamalainen <ccr@tnsp.org> parents: 31 diff changeset	277
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	278 // Render the model
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	279 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	280
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	281 // Add transforms
36 d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	282 if (model.scaleSet)
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	283 glScalef(model.scale.x, model.scale.y, model.scale.z);
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	284
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	285 if (model.translateSet)
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	286 glTranslatef(model.translate.x, model.translate.y, model.translate.z);
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	287
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	288 if (model.rotateSet)
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	289 {
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	290 glRotatef(model.rotate.x, 1.0f, 0.0f, 0.0f);
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	291 glRotatef(model.rotate.y, 0.0f, 1.0f, 0.0f);
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	292 glRotatef(model.rotate.z, 0.0f, 0.0f, 1.0f);
d640f2a34031 Only scale/translate/rotate the model if those attributes have been set in the scenefile. Matti Hamalainen <ccr@tnsp.org> parents: 32 diff changeset	293 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	294
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	295 glVertexPointer(3, GL_FLOAT, 0, &model.vertices[0]);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	296 glNormalPointer( GL_FLOAT, 0, &model.normals[0]);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	297
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	298 for (int n = 0; n < model.nfaces; n += maxIndices)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	299 {
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	300 const int count = std::min(maxIndices, model.nfaces - n);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	301 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &model.faces[n * 3]);
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	302 }
37 73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	303
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	304 // Restore
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	305 if (optUseShaders)
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	306 {
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	307 glUseProgram(0);
73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	308 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	309 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	310
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	311
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	312 void dmDrawScene(const DMSimpleScene &scene)
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	313 {
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	314 glClear(GL_DEPTH_BUFFER_BIT);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	315
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	316 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	317 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	318 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	319
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	320 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	321
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	322 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	323 glPushMatrix();
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	324 glLoadIdentity();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	325
17 0fa9302e324d Cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 16 diff changeset	326 // Draw the background gradient
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	327 glDisable(GL_DEPTH_TEST);
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	328 glDisable(GL_LIGHTING);
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	329 glBegin(GL_QUADS);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	330 {
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	331 glColor3ub(0x3B, 0x3B, 0x75);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	332 glVertex2f(0.0f, 0.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	333 glVertex2f(1.0f, 0.0f);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	334
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	335 glColor3ub(0x00, 0x00, 0x00);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	336 glVertex2f(1.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	337 glVertex2f(0.0f, 1.0f);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	338 }
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	339 glEnd();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	340
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	341 // Restore the 3D projection
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	342 glMatrixMode(GL_PROJECTION);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	343 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	344
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	345 glMatrixMode(GL_MODELVIEW);
b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	346 glPopMatrix();
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	347
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	348 glEnable(GL_DEPTH_TEST);
37 73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	349 glEnable(GL_LIGHTING);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	350
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	351 // Draw models
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	352 for (const DMModel &model : scene.models)
27 097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	353 {
097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	354 glPushMatrix();
37 73a785323e8a Rendering cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 36 diff changeset	355 dmDrawModel(scene, model);
27 097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	356 glPopMatrix();
097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	357 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	358 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	359
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	360
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	361 bool dmCompileShader(const GLenum stype, const std::string &src, GLuint &shader)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	362 {
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	363 GLint status;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	364 const char *tmp = src.c_str();
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	365
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	366 shader = glCreateShader(stype);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	367 glShaderSource(shader, 1, &tmp, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	368 glCompileShader(shader);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	369
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	370 glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	371 if (status == GL_TRUE)
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	372 return true;
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	373 else
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	374 {
26 67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	375 GLint bufLen = 0;
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	376 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &bufLen);
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	377
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	378 if (bufLen > 0)
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	379 {
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	380 char *buf = new char[bufLen];
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	381 glGetShaderInfoLog(shader, bufLen, NULL, buf);
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	382 dmError("Shader compliation error:\n%s\n",
26 67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	383 buf);
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	384 delete buf;
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	385 }
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	386 else
67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	387 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	388 dmError("Shader compilation error occured, but no error information got.\n");
26 67647ed860f0 Improve shader compilation error reporting. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	389 }
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	390 return false;
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	391 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	392 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	393
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	394
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	395 void dmLinkModelShaders(DMModel &model)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	396 {
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	397 model.id_prog = glCreateProgram();
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	398 glAttachShader(model.id_prog, model.id_fs);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	399 glAttachShader(model.id_prog, model.id_vs);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	400 glLinkProgram(model.id_prog);
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	401 }
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	402
3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	403
25 2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	404 void dmSetupLight(const int n, const DMLight &light)
2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	405 {
2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	406 glEnable(GL_LIGHT0 + n);
48 0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	407 glLightfv(GL_LIGHT0 + n, GL_AMBIENT, light.color.ambient.values);
0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	408 glLightfv(GL_LIGHT0 + n, GL_DIFFUSE, light.color.diffuse.values);
0ae1ff609626 Implement diffuse setting for models in scenefile. Also refactor Matti Hamalainen <ccr@tnsp.org> parents: 47 diff changeset	409 glLightfv(GL_LIGHT0 + n, GL_SPECULAR, light.color.specular.values);
25 2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	410 glLightfv(GL_LIGHT0 + n, GL_POSITION, light.position.values);
2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	411 }
2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	412
2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	413
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	414 int main(int argc, char *argv[])
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	415 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	416 int startTime, cycleStart, cycleFrames = 0, totalFrames = 0;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	417 double totalTime;
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	418 bool
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	419 exitFlag = false,
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	420 optShowHelp = false,
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	421 optSetInputFilename = false;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	422 std::string optInputFilename = "dragon.scene", basePath;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	423 DMSimpleScene scene;
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	424
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	425 // Check commandline argument for enabling shaders
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	426 for (int narg = 1; narg < argc; narg++)
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	427 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	428 char *arg = argv[narg];
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	429 if (arg[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	430 {
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	431 char *opt = arg + 1;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	432
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	433 if ((opt[0] == '-' && opt[1] == 'h' && opt[2] == 'e') \|\|
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	434 opt[0] == '?' \|\| (opt[0] == '-' && opt[1] == '?'))
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	435 {
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	436 optShowHelp = true;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	437 break;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	438 }
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	439 else
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	440 if (opt[0] == '-')
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	441 opt++;
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	442
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	443 switch (opt[0])
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	444 {
55 bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	445 case 'g':
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	446 optUseShaders = true;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	447 break;
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	448
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	449 case 'w':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	450 case 'h':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	451 case 'm':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	452 case 'v':
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	453 if (opt[1] == 0)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	454 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	455 printf("Option '%s' requires an argument.\n", opt);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	456 goto exit;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	457 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	458
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	459 switch (opt[0])
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	460 {
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	461 case 'w': optWidth = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	462 case 'h': optHeight = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	463 case 'v': optVSyncMode = atoi(opt + 1); break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	464 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	465 break;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	466
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	467 default:
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	468 printf("Unknown option '%s'.\n", opt);
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	469 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	470 }
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	471 }
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	472 else
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	473 {
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	474 if (optSetInputFilename)
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	475 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	476 dmError("Please specify only one scene file.\n");
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	477 goto exit;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	478 }
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	479
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	480 optSetInputFilename = true;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	481 optInputFilename = std::string(arg);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	482 if (optInputFilename.empty())
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	483 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	484 dmError("Invalid input filename.\n");
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	485 goto exit;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	486 }
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	487
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	488 }
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	489 }
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	490
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	491 if (optShowHelp)
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	492 {
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	493 printf(
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	494 "Usage: %s [options] [<scenefile.scene>]\n"
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	495 "-? Show this help\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	496 "-g Use GLSL shader instead of basic OpenGL lighting\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	497 "-w<width> Window width (default %d)\n"
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	498 "-h<height> Window height (default %d)\n"
38 372fa249ce26 Add vsync option 0 (disable attempts of setting vsync mode.) Matti Hamalainen <ccr@tnsp.org> parents: 37 diff changeset	499 "-v<0-3> Set vsync mode: 0 = do not attempt to set vsync mode\n"
50 d4232c89145f Clarify the help for -v option. Matti Hamalainen <ccr@tnsp.org> parents: 49 diff changeset	500 " (may be required for software rendering backends),\n"
d4232c89145f Clarify the help for -v option. Matti Hamalainen <ccr@tnsp.org> parents: 49 diff changeset	501 " 1 = no vsync, 2 = vsync, 3 = adaptive.\n"
d4232c89145f Clarify the help for -v option. Matti Hamalainen <ccr@tnsp.org> parents: 49 diff changeset	502 " Using vsync (2) will result in FPS being approximately\n"
d4232c89145f Clarify the help for -v option. Matti Hamalainen <ccr@tnsp.org> parents: 49 diff changeset	503 " whatever your monitor refresh rate is. The default\n"
d4232c89145f Clarify the help for -v option. Matti Hamalainen <ccr@tnsp.org> parents: 49 diff changeset	504 " value is 1 (no vsync).\n"
11 89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	505 "\n",
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	506 argv[0],
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	507 SET_DEF_WIDTH, SET_DEF_HEIGHT
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	508 );
89dc8caeff41 Improve option handling a bit. Matti Hamalainen <ccr@tnsp.org> parents: 10 diff changeset	509
7 95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	510 goto exit;
95dd5417e7de Add simple help. Matti Hamalainen <ccr@tnsp.org> parents: 6 diff changeset	511 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	512
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	513 if (optWidth < 100 \|\| optWidth > 8192 \|\| optHeight < 100 \|\| optHeight > 8192)
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	514 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	515 dmError("Invalid window width or height (%d x %d).\n",
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	516 optWidth, optHeight);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	517 goto exit;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	518 }
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	519
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	520 // Load the scene
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	521 if (!scene.loadInfo(optInputFilename))
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	522 goto exit;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	523
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	524 if (scene.models.size() == 0)
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	525 {
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	526 dmError("Scenefile '%s' contains no models.\n",
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	527 optInputFilename.c_str());
12 52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	528 goto exit;
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	529 }
52a586c344f4 Add option -m<filename prefix> to specify mesh/shader filename prefix. Matti Hamalainen <ccr@tnsp.org> parents: 11 diff changeset	530
31 6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	531 // Define a default light if none defined in scene file
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	532 if (scene.lights.size() == 0)
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	533 {
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	534 DMLight light; // Default light
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	535 scene.lights.push_back(light);
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	536 }
6847715b46cd Move piece of code a bit as a cleanup. Matti Hamalainen <ccr@tnsp.org> parents: 27 diff changeset	537
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	538 dmMsg("Loading %ld model(s) ..\n",
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	539 scene.models.size());
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	540
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	541 basePath = dmGetPath(optInputFilename);
47 9909014498f0 Add helper functions dmError() and dmMsg() and use them. Matti Hamalainen <ccr@tnsp.org> parents: 46 diff changeset	542 dmMsg("Scene base path '%s'\n", basePath.c_str());
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	543
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	544 for (DMModel &model : scene.models)
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	545 {
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	546 if (!model.loadFromPLY(basePath + model.modelFile))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	547 goto exit;
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	548
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	549 if (optUseShaders)
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	550 {
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	551 std::string
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	552 fragFile = model.fragShaderFile.empty() ? "shader.frag" : basePath + model.fragShaderFile,
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	553 vertFile = model.vertShaderFile.empty() ? "shader.vert" : basePath + model.vertShaderFile;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	554
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	555 if (!dmReadText(fragFile, model.fragShaderStr, SET_MAX_SHADER_SIZE) \|\|
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	556 !dmReadText(vertFile, model.vertShaderStr, SET_MAX_SHADER_SIZE))
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	557 goto exit;
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	558 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	559 }
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	560
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	561 // Initialize SDL + OpenGL
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	562 if (!dmInitSDLGL(optWidth, optHeight, "GLDragon"))
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	563 goto exit;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	564
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	565 // According to our mode ..
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	566 if (optUseShaders)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	567 {
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	568 for (DMModel &model : scene.models)
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	569 {
24 c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	570 if (!dmCompileShader(GL_FRAGMENT_SHADER, model.fragShaderStr, model.id_fs) \|\|
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	571 !dmCompileShader(GL_VERTEX_SHADER, model.vertShaderStr, model.id_vs))
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	572 goto exit;
c1897cfc8463 Add shader compilation error handling. Matti Hamalainen <ccr@tnsp.org> parents: 23 diff changeset	573
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	574 dmLinkModelShaders(model);
1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	575 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	576 }
25 2403030a0352 "Finish" implementing multiple lights support in scene files. Matti Hamalainen <ccr@tnsp.org> parents: 24 diff changeset	577
27 097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	578 // Setup lights
097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	579 for (size_t n = 0; n < scene.lights.size(); n++)
097184bd34a8 Implement number of lights uniform for the shaders, clean up light setup and Matti Hamalainen <ccr@tnsp.org> parents: 26 diff changeset	580 dmSetupLight(n, scene.lights[n]);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	581
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	582 // Define the camera
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	583 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	584
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	585
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	586 // Main loop starts
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	587 startTime = cycleStart = SDL_GetTicks();
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	588
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	589 while (!exitFlag)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	590 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	591 SDL_Event event;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	592
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	593 // Check for quit events
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	594 while (SDL_PollEvent(&event))
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	595 switch (event.type)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	596 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	597 case SDL_QUIT:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	598 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	599 break;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	600
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	601 case SDL_KEYDOWN:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	602 switch (event.key.keysym.sym)
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	603 {
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	604 case SDLK_ESCAPE:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	605 case SDLK_q:
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	606 exitFlag = true;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	607 break;
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	608 }
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	609 }
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	610
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	611 // Render the next frame
21 1404dfcee7b8 More work on scenefile and model loading support. Matti Hamalainen <ccr@tnsp.org> parents: 20 diff changeset	612 dmDrawScene(scene);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	613
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	614 // Draw the current frame
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	615 SDL_GL_SwapWindow(dmWindow);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	616
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	617 // Rotate for 2 degrees
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	618 glRotatef(2.0f, 0, 1, 0);
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	619
55 bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	620 // Check for errors
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	621 dmGLCheckErrors();
bf73a2a70ec7 Add OpenGL error checking. Matti Hamalainen <ccr@tnsp.org> parents: 54 diff changeset	622
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	623 // Return true if a full rotation was done
15 2d2aadfa3df3 Fix calculation of totalFrames. Matti Hamalainen <ccr@tnsp.org> parents: 14 diff changeset	624 totalFrames++;
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	625 if (cycleFrames++ == SET_FRAMES)
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	626 {
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	627 // Reset cycleFrames
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	628 cycleFrames = 0;
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	629
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	630 // Get the time it took to render a full turn
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	631 int cycleEnd = SDL_GetTicks();
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	632 double cycleTime = cycleEnd - cycleStart;
10 c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	633
c6c419861101 Use SDL_GetTicks() instead of std::clock(). Matti Hamalainen <ccr@tnsp.org> parents: 8 diff changeset	634 // Restart the timer
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	635 cycleStart = SDL_GetTicks();
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	636
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	637 // Print the current frames per second
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	638 printf("%.1lf ms for %d frames = %.1lf FPS\n",
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	639 cycleTime, SET_FRAMES, (SET_FRAMES * 1000.0f) / cycleTime);
3 be31ff9e5f58 Port to libSDL2, clean up the code and some de-C++-ifications. Matti Hamalainen <ccr@tnsp.org> parents: 2 diff changeset	640 }
2 b45d8958e5a6 Cosmetic indentation. Matti Hamalainen <ccr@tnsp.org> parents: 0 diff changeset	641 }
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	642
13 c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	643 // Show totals
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	644 totalTime = SDL_GetTicks() - startTime;
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	645 printf("%.1lf ms total for %d total frames = %.2lf FPS average\n",
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	646 totalTime, totalFrames, (totalFrames * 1000.0f) / totalTime);
c1e8057cc4d0 Improvements to option handling, add option for setting preferred vsync Matti Hamalainen <ccr@tnsp.org> parents: 12 diff changeset	647
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	648 exit:
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	649 if (dmGLContext != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	650 SDL_GL_DeleteContext(dmGLContext);
5 5dcae4dddcd9 Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 3 diff changeset	651
8 628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	652 if (dmWindow != NULL)
628c42e94149 Clean up variable names. Matti Hamalainen <ccr@tnsp.org> parents: 7 diff changeset	653 SDL_DestroyWindow(dmWindow);
6 4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	654
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	655 SDL_Quit();
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	656
4d6fec8f0c64 Implement optional support for vertex/fragment shaders. Cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 5 diff changeset	657 return 0;
0 3d74a9dd96e4 Initial import of Thomas Trummer's original code. Thomas Trummer parents: diff changeset	658 }

Mercurial > hg > forks > gldragon

annotate gldragon.cpp @ 55:bf73a2a70ec7