diff options
Diffstat (limited to 'gl.c')
| -rw-r--r-- | gl.c | 63 |
1 files changed, 0 insertions, 63 deletions
@@ -7,17 +7,6 @@ float gl_window_width, gl_window_height; int gl_version_major, gl_version_minor; - -#if DEBUG -unsigned char *stbi_load(const char *filename, int *x, int *y, int *comp, int req_comp); -#else -#define STB_IMAGE_STATIC -no_warn_start -#include "stb_image.c" -no_warn_end -#endif - - #define gl_define_proc(upper, lower) PFNGL##upper##PROC gl##lower; gl_for_each_proc(gl_define_proc) #undef gl_define_proc @@ -49,28 +38,6 @@ void gl_rc_sab_decref(GlRcSAB **ps) { *ps = NULL; } -GlRcTexture *gl_rc_texture_new(GLuint texture) { - GlRcTexture *t = calloc(1, sizeof *t); - t->ref_count = 1; - t->texture = texture; - return t; -} - -void gl_rc_texture_incref(GlRcTexture *t) { - if (!t) return; - ++t->ref_count; -} - -void gl_rc_texture_decref(GlRcTexture **pt) { - GlRcTexture *t = *pt; - if (!t) return; - if (--t->ref_count == 0) { - glDeleteTextures(1, &t->texture); - free(t); - } - *pt = NULL; -} - void gl_get_procs(void) { #define gl_get_proc(upper, lower) gl##lower = (PFNGL##upper##PROC)SDL_GL_GetProcAddress("gl" #lower); #if __GNUC__ && !__clang__ @@ -285,33 +252,3 @@ void gl_geometry_draw(void) { arr_clear(gl_geometry_triangles); } - -GLuint gl_load_texture_from_image(const char *path) { - GLuint texture = 0; - int w=0, h=0, n=0; - unsigned char *data = stbi_load(path, &w, &h, &n, 4); - if (data && w > 0 && h > 0) { - size_t bytes_per_row = (size_t)w * 4; - unsigned char *tempbuf = calloc(1, bytes_per_row); - // flip image vertically - for (int y = 0; y < h/2; ++y) { - int y2 = h-1-y; - unsigned char *row1 = &data[y*w*4]; - unsigned char *row2 = &data[y2*w*4]; - memcpy(tempbuf, row1, bytes_per_row); - memcpy(row1, row2, bytes_per_row); - memcpy(row2, tempbuf, bytes_per_row); - } - free(tempbuf); - - glGenTextures(1, &texture); - glBindTexture(GL_TEXTURE_2D, texture); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, data); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - free(data); - } - return texture; -} |