forks/gldragon: dmglrender.cpp annotate

annotate dmglrender.cpp @ 107:2b30217a3c39 default tip

Fix verbose build echos.

author	Matti Hamalainen <ccr@tnsp.org>
date	Thu, 29 Feb 2024 21:48:47 +0200
parents	50a69d327b4f
children

rev	line source
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 // GLDragon - OpenGL PLY model viewer / simple benchmark
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3 // -- OpenGL rendering of DMSimpleScene
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4 // Programmed and designed by Matti 'ccr' Hämäläinen <ccr@tnsp.org>
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 // (C) Copyright 2019 Tecnic Software productions (TNSP)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7 // See file "COPYING" for license information.
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 //
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 #include "dmglrender.h"
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 #include <GL/glu.h>
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13 #define DM_GLEXT_INIT(extproctype, extprocname) extproctype extprocname = NULL;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 #include "dmglexts.h"
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15 #undef DM_GLEXT_INIT
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18 static void dmGLCheckExtension(const std::string &name, bool &status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20 if (!SDL_GL_ExtensionSupported(name.c_str()))
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 status = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	23 dmMsg(" - '%s' NOT supported.\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	24 name.c_str());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	25 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29 static void * dmGLGetProcAddr(const std::string &name)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 void *ptr = SDL_GL_GetProcAddress(name.c_str());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 if (ptr == NULL)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34 dmMsg(" - '%s' NOT supported.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	36 return ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	37 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 static void * dmGLExtInit(const std::string &name, bool &status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	41 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42 void *ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	43 bool ok =
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	44 (ptr = dmGLGetProcAddr(name)) != NULL \|\|
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	45 (ptr = dmGLGetProcAddr(name + "EXT")) != NULL \|\|
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 (ptr = dmGLGetProcAddr(name + "ARB")) != NULL;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	47
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	48 if (!ok)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	49 status = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51 return ptr;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	54
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55 static bool dmCompileShader(const GLenum stype, const std::string &src, GLuint &shader)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	56 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	57 GLint status;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	58 const char *tmp = src.c_str();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	60 shader = glCreateShader(stype);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	61 glShaderSource(shader, 1, &tmp, 0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	62 glCompileShader(shader);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	63
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	64 glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	65 if (status == GL_TRUE)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	66 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67 else
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69 GLint bufLen = 0;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &bufLen);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	71
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 if (bufLen > 0)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	73 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74 char *buf = new char[bufLen];
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	75 glGetShaderInfoLog(shader, bufLen, NULL, buf);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	76 dmError("Shader compilation error:\n%s\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	77 buf);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	78 delete[] buf;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	79 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	80 else
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	81 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	82 dmError("Shader compilation error occured, but no error information got.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	83 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	84 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	85 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	86 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	87
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	88
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	89 bool DMGLSimpleRenderer::checkErrors(void)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	90 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	91 bool ok = true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	92 GLenum err;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	93 while ((err = glGetError()) != GL_NO_ERROR)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	94 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 dmError("OpenGL error code: 0x%x (%d)\n", err);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96 ok = false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	97 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98 return ok;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	99 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	101
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	102 bool DMGLSimpleRenderer::initRenderer1(const char *title,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	103 const int width, const int height,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	104 const int sdlWindowHPos, const int sdlWindowVPos,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	105 const int sdlFlags)
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107 // Set GL attributes
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	108 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	109 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	110 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	112 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	113 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	114 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	116
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	117 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	118 //SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, 32);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	119 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	120
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	121 // Attempt to create a window
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	122 if (!DMSimpleRenderer::initRenderer1(
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	123 title,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	124 width, height,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	125 sdlWindowHPos, sdlWindowVPos,
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	126 sdlFlags \| SDL_WINDOW_OPENGL))
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	127 return false;
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	128
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	129 // Create OpenGL context
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	130 if ((sdlGLContext = SDL_GL_CreateContext(sdlWindow)) == NULL)
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	131 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	132 dmError("Unable to create SDL OpenGL context: %s\n",
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	133 SDL_GetError());
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	134 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	135 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	136
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 // If shaders are disabled, do not initialize OpenGL extensions
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138 if (!useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	141 bool status = true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 dmMsg("Checking for required OpenGL extensions ..\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	143
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	144 dmGLCheckExtension("GL_ARB_shader_objects", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	145 dmGLCheckExtension("GL_ARB_shading_language_100", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146 dmGLCheckExtension("GL_ARB_vertex_shader", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	147 dmGLCheckExtension("GL_ARB_fragment_shader", status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148 if (!status)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	149 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 dmError("One or more of the required OpenGL extensions not supported.\n");
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	153
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 #define DM_GLEXT_INIT(extproctype, extprocname) \
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	155 extprocname = (extproctype) dmGLExtInit(#extprocname, status);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 #include "dmglexts.h"
96 50a69d327b4f Remove support for GL_GLEXT_PROTOTYPES. Matti Hamalainen <ccr@tnsp.org> parents: 92 diff changeset	157 #undef DM_GLEXT_INIT
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	159 return status;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	160 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	162
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	163 #define TWIDTH 8
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	164 #define THEIGHT 8
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	165 static char texSrc8[TWIDTH * THEIGHT + 1] =
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	166 "..%##%.."
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	167 ".%####%."
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	168 "%#..#%"
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	169 "##....##"
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	170 "########"
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	171 "##....##"
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	172 "##....##"
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	173 "##....##";
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	174
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	175 static Uint32 texSrc32[TWIDTH * THEIGHT];
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	176
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	177
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	178 bool DMGLSimpleRenderer::initRenderer2(void)
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180 // Dump some information
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	181 dmMsg("GL_VENDOR : %s\n", glGetString(GL_VENDOR));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182 dmMsg("GL_RENDERER : %s\n", glGetString(GL_RENDERER));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183 dmMsg("GL_VERSION : %s\n", glGetString(GL_VERSION));
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 if (!checkErrors())
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	186 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	188 // Setup the window and view port
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	189 glViewport(0, 0, windowWidth, windowHeight);
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	190
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	191 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	192 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	193
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	194 gluPerspective(45.0f, GLfloat(windowWidth) / GLfloat(windowHeight), 0.1f, 1000.0f);
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	195
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	196 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	197 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199 // Enable back face culling
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	200 glEnable(GL_CULL_FACE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	201
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202 // Enable smooth shading
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203 glShadeModel(GL_SMOOTH);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205 // Enable the depth buffer
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206 glEnable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	208 // Enable normal rescaling
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	209 glEnable(GL_RESCALE_NORMAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	210
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	211 glEnable(GL_COLOR_MATERIAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	212
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	213 // Setup depth buffer
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	214 glClearDepth(1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	215
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	216 // Set the depth buffer function
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	217 glDepthFunc(GL_LEQUAL);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	218
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219 // Enable vertex and and normal arrays
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	220 glEnableClientState(GL_VERTEX_ARRAY);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221 glEnableClientState(GL_NORMAL_ARRAY);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	222
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	223 // Set correct perspective correction
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	224 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	225
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	226
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	227 // Create texture bitmap
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	228 for (int yc = 0; yc < THEIGHT; yc++)
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	229 {
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	230 Uint8 dp8 = ((Uint8 ) texSrc8) + yc * TWIDTH;
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	231 Uint32 dp32 = ((Uint32 ) texSrc32) + yc * TWIDTH;
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	232
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	233 for (int xc = 0; xc < TWIDTH; xc++)
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	234 {
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	235 Uint8 col = dp8[xc];
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	236 switch (col)
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	237 {
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	238 case '.': col = 0; break;
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	239 case '#': col = 255; break;
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	240 case '*': col = 128; break;
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	241 default: col = 192; break;
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	242 }
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	243 dp8[xc] = col;
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	244 dp32[xc] = col \| (col << 8) \| (col << 16);
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	245 }
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	246 }
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	247
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	248 // Upload to GPU texture
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	249 glGenTextures(1, &tex8);
3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	250 glBindTexture(GL_TEXTURE_2D, tex8);
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	251 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	252 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	253 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, TWIDTH, THEIGHT, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, texSrc8);
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	254 glBindTexture(GL_TEXTURE_2D, 0);
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	255
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	256 glGenTextures(2, &tex32);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	257 glBindTexture(GL_TEXTURE_2D, tex32);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	258 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	259 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	260 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TWIDTH, THEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE, texSrc32);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	261 glBindTexture(GL_TEXTURE_2D, 0);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	262
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	263 return checkErrors();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	264 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	265
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	266
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	267 bool DMGLSimpleRenderer::compileModelShaders(DMModel &model)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	268 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	269 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	270 {
68 701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	271 GLuint id_fs, id_vs;
701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	272
701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	273 if (!dmCompileShader(GL_FRAGMENT_SHADER, model.fragShaderStr, id_fs) \|\|
701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	274 !dmCompileShader(GL_VERTEX_SHADER, model.vertShaderStr, id_vs))
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	275 return false;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	276
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	277 model.id_prog = glCreateProgram();
68 701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	278 glAttachShader(model.id_prog, id_fs);
701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	279 glAttachShader(model.id_prog, id_vs);
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	280 glLinkProgram(model.id_prog);
68 701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	281 glDeleteShader(id_fs);
701bef61dcf1 Remove OpenGL fs/vs shader ids from DMModel, as they are not needed. Matti Hamalainen <ccr@tnsp.org> parents: 65 diff changeset	282 glDeleteShader(id_vs);
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	283 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	284 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	285 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	286
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	287
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	288 void DMGLSimpleRenderer::shutdownRenderer(void)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	289 {
63 d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	290 if (sdlGLContext != NULL)
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	291 SDL_GL_DeleteContext(sdlGLContext);
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	292
d6ffc59bb84d Move more of the SDL and GL setup code to the renderer class. Matti Hamalainen <ccr@tnsp.org> parents: 62 diff changeset	293 DMSimpleRenderer::shutdownRenderer();
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	294 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	295
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	296
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	297 void DMGLSimpleRenderer::drawModel(const DMSimpleScene &scene, const DMModel &model, const float time)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	298 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	299 int maxIndices;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	300
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	301 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	302 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	303 // Enable shader program
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	304 glUseProgram(model.id_prog);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	305 glUniform1i(glGetUniformLocation(model.id_prog, "nlights"), scene.lights.size());
65 71f6c5cc8eec Add 'ftime' uniform for shaders, which is time in milliseconds from start of rendering loop. Matti Hamalainen <ccr@tnsp.org> parents: 63 diff changeset	306 glUniform1f(glGetUniformLocation(model.id_prog, "ftime"), time);
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	307 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	308
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	309 // Set the material of the model
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	310 glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	311 glMateriali(GL_FRONT, GL_SHININESS, model.material.shininess);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	312 glMaterialfv(GL_FRONT, GL_SPECULAR, model.material.specular.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	313 glColor4fv(model.material.diffuse.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	314
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	315 // Render the model
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	316 glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &maxIndices);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	317
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	318 // Add transforms
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	319 if (model.scaleSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	320 glScalef(model.scale.x, model.scale.y, model.scale.z);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	321
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	322 if (model.translateSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	323 glTranslatef(model.translate.x, model.translate.y, model.translate.z);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	324
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	325 if (model.rotateSet)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	326 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	327 glRotatef(model.rotate.x, 1.0f, 0.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	328 glRotatef(model.rotate.y, 0.0f, 1.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	329 glRotatef(model.rotate.z, 0.0f, 0.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	330 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	331
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	332 glVertexPointer(3, GL_FLOAT, 0, &model.vertices[0]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	333 glNormalPointer( GL_FLOAT, 0, &model.normals[0]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	334
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	335 for (int n = 0; n < model.nfaces; n += maxIndices)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	336 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	337 const int count = std::min(maxIndices, model.nfaces - n);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	338 glDrawElements(GL_TRIANGLES, count * 3, GL_UNSIGNED_INT, &model.faces[n * 3]);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	339 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	340
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	341 // Restore
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	342 if (useShaders)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	343 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	344 glUseProgram(0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	345 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	346 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	347
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	348
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	349 void DMGLSimpleRenderer::drawScene(const DMSimpleScene &scene, const float time)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	350 {
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	351 float qx, qy, qw, qh;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	352
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	353 glClear(GL_DEPTH_BUFFER_BIT);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	354
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	355 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	356 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	357 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	358
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	359 glOrtho(0.0, 1.0, 0.0, 1.0, -1, 1);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	360
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	361 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	362 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	363 glLoadIdentity();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	364
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	365 // Draw the background gradient
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	366 glDisable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	367 glDisable(GL_LIGHTING);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	368 glBegin(GL_QUADS);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	369 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	370 glColor3ub(0x3B, 0x3B, 0x75);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	371 glVertex2f(0.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	372 glVertex2f(1.0f, 0.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	373
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	374 glColor3ub(0x00, 0x00, 0x00);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	375 glVertex2f(1.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	376 glVertex2f(0.0f, 1.0f);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	377 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	378 glEnd();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	379
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	380 // Draw texture #1
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	381 glColor3ub(0xff, 0xff, 0xff);
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	382
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	383 qh = 0.35f;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	384 qw = qh * 0.6f;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	385 qx = 0;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	386 qy = 0;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	387
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	388 glEnable(GL_TEXTURE_2D);
90 3863ad92f8d8 Rename a variable. Matti Hamalainen <ccr@tnsp.org> parents: 83 diff changeset	389 glBindTexture(GL_TEXTURE_2D, tex8);
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	390 glBegin(GL_QUADS);
91 4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	391 glTexCoord2i(-1, 0); glVertex2f(qx , qy);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	392 glTexCoord2i( 0, 0); glVertex2f(qx + qw, qy);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	393 glTexCoord2i( 0, -1); glVertex2f(qx + qw, qy + qh);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	394 glTexCoord2i(-1, -1); glVertex2f(qx , qy + qh);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	395 glEnd();
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	396
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	397 // Draw texture #2
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	398 qh = 0.25f;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	399 qw = qh * 0.6f;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	400 qx = 1.0f - qw;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	401 qy = 1.0f - qh;
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	402
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	403 glBindTexture(GL_TEXTURE_2D, tex32);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	404 glBegin(GL_QUADS);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	405 glTexCoord2i(-1, 0); glVertex2f(qx , qy);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	406 glTexCoord2i( 0, 0); glVertex2f(qx + qw, qy);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	407 glTexCoord2i( 0, -1); glVertex2f(qx + qw, qy + qh);
4df8a7337e3e Add simple 32bit texture version. Matti Hamalainen <ccr@tnsp.org> parents: 90 diff changeset	408 glTexCoord2i(-1, -1); glVertex2f(qx , qy + qh);
83 69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	409 glEnd();
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	410 glBindTexture(GL_TEXTURE_2D, 0);
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	411 glDisable(GL_TEXTURE_2D);
69d7349dc5d3 Render a textured quad with bitmap letter 'A' in the bottom left corner as Matti Hamalainen <ccr@tnsp.org> parents: 68 diff changeset	412
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	413 // Restore the 3D projection
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	414 glMatrixMode(GL_PROJECTION);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	415 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	416
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	417 glMatrixMode(GL_MODELVIEW);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	418 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	419
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	420 glEnable(GL_DEPTH_TEST);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	421 glEnable(GL_LIGHTING);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	422
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	423 // Draw models
92 28dd29f3a65f Remove DMSimpleRenderer::animate() and use direct time value in drawScene() etc. Matti Hamalainen <ccr@tnsp.org> parents: 91 diff changeset	424 glPushMatrix();
28dd29f3a65f Remove DMSimpleRenderer::animate() and use direct time value in drawScene() etc. Matti Hamalainen <ccr@tnsp.org> parents: 91 diff changeset	425 glRotatef(time * 360.0, 0, 1, 0);
28dd29f3a65f Remove DMSimpleRenderer::animate() and use direct time value in drawScene() etc. Matti Hamalainen <ccr@tnsp.org> parents: 91 diff changeset	426
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	427 for (const DMModel &model : scene.models)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	428 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	429 glPushMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	430 drawModel(scene, model, time);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	431 glPopMatrix();
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	432 }
92 28dd29f3a65f Remove DMSimpleRenderer::animate() and use direct time value in drawScene() etc. Matti Hamalainen <ccr@tnsp.org> parents: 91 diff changeset	433
28dd29f3a65f Remove DMSimpleRenderer::animate() and use direct time value in drawScene() etc. Matti Hamalainen <ccr@tnsp.org> parents: 91 diff changeset	434 glPopMatrix();
62 baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	435 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	436
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	437
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	438 bool DMGLSimpleRenderer::setupLight(const int n, DMLight &light)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	439 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	440 glEnable(GL_LIGHT0 + n);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	441 glLightfv(GL_LIGHT0 + n, GL_AMBIENT, light.color.ambient.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	442 glLightfv(GL_LIGHT0 + n, GL_DIFFUSE, light.color.diffuse.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	443 glLightfv(GL_LIGHT0 + n, GL_SPECULAR, light.color.specular.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	444 glLightfv(GL_LIGHT0 + n, GL_POSITION, light.position.values);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	445 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	446 }
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	447
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	448
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	449 bool DMGLSimpleRenderer::setupCamera(DMCamera &camera)
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	450 {
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	451 (void) camera;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	452
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	453 gluLookAt(0, 0.12, 0.24, 0, 0.12, 0, 0, 1, 0);
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	454 return true;
baccf2044289 Move the OpenGL rendering, setup etc. into a separate module/class, perhaps Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	455 }

Mercurial > hg > forks > gldragon

annotate dmglrender.cpp @ 107:2b30217a3c39 default tip