mirror/The-Powder-Toy
1
0
Fork 0
mirror of https://github.com/The-Powder-Toy/The-Powder-Toy.git synced 2025-08-12 03:14:04 +02:00
Code Issues Projects Releases Wiki Activity

OpenGL Windows

Browse Source
This commit is contained in:
Simon Robertshaw
2011-11-01 19:13:50 +00:00
parent ec3fdfed1c
commit 59cfce567f
1 changed files with 142 additions and 128 deletions
Download Patch File Download Diff File Expand all files Collapse all files

248
src/graphics.c
View File

@@ -6,6 +6,10 @@
#ifdef MACOSX #ifdef MACOSX
#include <OpenGL/gl.h> #include <OpenGL/gl.h>
#include <OpenGL/glu.h> #include <OpenGL/glu.h>
#elif defined(WIN32)
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#else #else
#include <GL/gl.h> #include <GL/gl.h>
#include <GL/glu.h> #include <GL/glu.h>
@@ -3659,6 +3663,7 @@ void render_cursor(pixel *vid, int x, int y, int t, int rx, int ry)
int sdl_open(void) int sdl_open(void)
{ {
int status;
if (SDL_Init(SDL_INIT_VIDEO)<0) if (SDL_Init(SDL_INIT_VIDEO)<0)
{ {
fprintf(stderr, "Initializing SDL: %s\n", SDL_GetError()); fprintf(stderr, "Initializing SDL: %s\n", SDL_GetError());
@@ -3669,161 +3674,170 @@ int sdl_open(void)
sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,32,SDL_OPENGL); sdl_scrn=SDL_SetVideoMode(XRES*sdl_scale + BARSIZE*sdl_scale,YRES*sdl_scale + MENUSIZE*sdl_scale,32,SDL_OPENGL);
SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1);
glMatrixMode(GL_PROJECTION); #ifdef WIN32
glLoadIdentity(); status = glewInit();
if(status != GLEW_OK)
{
fprintf(stderr, "Initializing GLEW: %d\n", status);
return 0;
}
#endif
glOrtho(0, (XRES+BARSIZE)*sdl_scale, 0, (YRES+MENUSIZE)*sdl_scale, -1, 1); glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW); glOrtho(0, (XRES+BARSIZE)*sdl_scale, 0, (YRES+MENUSIZE)*sdl_scale, -1, 1);
glLoadIdentity();
glRasterPos2i(0, (YRES+MENUSIZE)); glMatrixMode(GL_MODELVIEW);
glPixelZoom(sdl_scale, -sdl_scale); glLoadIdentity();
//glPixelZoom(1, -1);
glEnable(GL_BLEND); glRasterPos2i(0, (YRES+MENUSIZE));
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glPixelZoom(sdl_scale, -sdl_scale);
//glPixelZoom(1, -1);
//FBO Texture glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glGenTextures(1, &partsFboTex);
glBindTexture(GL_TEXTURE_2D, partsFboTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, XRES, YRES, 0, GL_RGBA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//FBO //FBO Texture
glGenFramebuffers(1, &partsFbo); glEnable(GL_TEXTURE_2D);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo); glGenTextures(1, &partsFboTex);
glEnable(GL_BLEND); glBindTexture(GL_TEXTURE_2D, partsFboTex);
glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, partsFboTex, 0); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, XRES, YRES, 0, GL_RGBA, GL_FLOAT, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); // Reset framebuffer binding glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D);
//Texture for main UI //FBO
glEnable(GL_TEXTURE_2D); glGenFramebuffers(1, &partsFbo);
glGenTextures(1, &vidBuf); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glBindTexture(GL_TEXTURE_2D, vidBuf); glEnable(GL_BLEND);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES+BARSIZE, YRES+MENUSIZE, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL); glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, partsFboTex, 0);
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); // Reset framebuffer binding
glDisable(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Texture for main UI
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &vidBuf);
glBindTexture(GL_TEXTURE_2D, vidBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES+BARSIZE, YRES+MENUSIZE, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//Texture for air to be drawn glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glGenTextures(1, &airBuf);
glBindTexture(GL_TEXTURE_2D, airBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Texture for air to be drawn
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &airBuf);
glBindTexture(GL_TEXTURE_2D, airBuf);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//Zoom texture glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glGenTextures(1, &zoomTex);
glBindTexture(GL_TEXTURE_2D, zoomTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Zoom texture
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &zoomTex);
glBindTexture(GL_TEXTURE_2D, zoomTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//Texture for velocity maps for gravity glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glGenTextures(1, &partsTFX);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Texture for velocity maps for gravity
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &partsTFX);
glBindTexture(GL_TEXTURE_2D, partsTFX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glGenTextures(1, &partsTFY); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glBindTexture(GL_TEXTURE_2D, 0);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glGenTextures(1, &partsTFY);
glBindTexture(GL_TEXTURE_2D, partsTFY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES, YRES, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//Texture for velocity maps for air glBindTexture(GL_TEXTURE_2D, 0);
//TODO: Combine all air maps into 3D array or structs glDisable(GL_TEXTURE_2D);
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &airVX);
glBindTexture(GL_TEXTURE_2D, airVX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); //Texture for velocity maps for air
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); //TODO: Combine all air maps into 3D array or structs
glEnable(GL_TEXTURE_2D);
glGenTextures(1, &airVX);
glBindTexture(GL_TEXTURE_2D, airVX);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glGenTextures(1, &airVY); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, airVY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glBindTexture(GL_TEXTURE_2D, 0);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glGenTextures(1, &airVY);
glBindTexture(GL_TEXTURE_2D, airVY);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glGenTextures(1, &airPV); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, airPV);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glBindTexture(GL_TEXTURE_2D, 0);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glGenTextures(1, &airPV);
glBindTexture(GL_TEXTURE_2D, airPV);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, XRES/CELL, YRES/CELL, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
//Fire alpha texture glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glGenTextures(1, &fireAlpha);
glBindTexture(GL_TEXTURE_2D, fireAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, CELL*3, CELL*3, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Fire alpha texture
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &fireAlpha);
glBindTexture(GL_TEXTURE_2D, fireAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, CELL*3, CELL*3, 0, GL_ALPHA, GL_FLOAT, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
//Glow alpha texture glBindTexture(GL_TEXTURE_2D, 0);
glEnable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
glGenTextures(1, &glowAlpha);
glBindTexture(GL_TEXTURE_2D, glowAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 11, 11, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //Glow alpha texture
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &glowAlpha);
glBindTexture(GL_TEXTURE_2D, glowAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 11, 11, 0, GL_ALPHA, GL_FLOAT, NULL);
glBindTexture(GL_TEXTURE_2D, 0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glDisable(GL_TEXTURE_2D); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
//Blur Alpha texture //Blur Alpha texture
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);
glGenTextures(1, &blurAlpha); glGenTextures(1, &blurAlpha);
glBindTexture(GL_TEXTURE_2D, blurAlpha); glBindTexture(GL_TEXTURE_2D, blurAlpha);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 7, 7, 0, GL_ALPHA, GL_FLOAT, NULL); glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, 7, 7, 0, GL_ALPHA, GL_FLOAT, NULL);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0); glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D); glDisable(GL_TEXTURE_2D);
loadShaders(); loadShaders();
#else #else
#ifdef PIX16 #ifdef PIX16
if (kiosk_enable) if (kiosk_enable)