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[Add] Check for multitexture abilities and texture leaks.

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This commit is contained in:
Allanis 2013-07-20 19:06:36 +01:00
parent 5584c3171c
commit 475aa1f1fa
2 changed files with 21 additions and 2 deletions
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22
src/opengl.c
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@ -14,6 +14,9 @@
#include "pack.h"
#include "opengl.h"
/* Requirements. */
#define OPENGL_REQ_MULTITEX 3
/* The screen info, gives data of current opengl settings. */
glInfo gl_screen;
@ -896,8 +899,9 @@ int gl_init(void) {
if(gl_hasExt("GL_ARB_fragment_shader")==GL_TRUE)
gl_screen.flags |= OPENGL_FRAG_SHADER;
/* Max texture size. */
/* Texture information. */
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &gl_screen.tex_max);
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &gl_screen.multitex_max);
/* Debug heaven. */
DEBUG("OpenGL Window Created: %dx%d@%dbpp %s", SCREEN_W, SCREEN_H,
@ -910,8 +914,12 @@ int gl_init(void) {
DEBUG("Renderer: %s", glGetString(GL_RENDERER));
DEBUG("Version: %s", glGetString(GL_VERSION));
/* Now check for things that can be bad. */
if(gl_screen.multitex_max < OPENGL_REQ_MULTITEX)
WARN("Missing texture units (%d required, %d found)",
OPENGL_REQ_MULTITEX, gl_screen.multitex_max);
if(!gl_has(OPENGL_FRAG_SHADER))
DEBUG("No fragment shader extension detected");
DEBUG("No fragment shader extension detected"); /* Not a warning yet. */
DEBUG("");
/* Some openGL options. */
@ -947,6 +955,16 @@ int gl_init(void) {
/* Clean up our mess. */
void gl_exit(void) {
glTexList* tex;
/* Make sure there's no texture leak. */
if(texture_list != NULL) {
DEBUG("Texture leak detected!");
for(tex = texture_list; tex != NULL; tex = tex->next)
DEBUG(" '%s' opened %d times", tex->tex->name, tex->used);
}
/* Shut down the subsystem. */
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}

1
src/opengl.h
View File

@ -34,6 +34,7 @@ typedef struct glInfo_ {
int r, g, b, a; /* Framebuffer values in bits. */
int flags; /* Store different properties. */
int tex_max; /* Max texture size. */
int multitex_max; /* Max multitexture levels. */
} glInfo;
extern glInfo gl_screen; /* Local structure set with gl_init etc. */