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Handle failures to create an OpenGL context better

This commit is contained in:
Lior Halphon 2017-12-29 00:43:19 +02:00
parent ca92c51f51
commit b1edf540d8
2 changed files with 18 additions and 0 deletions
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10
SDL/main.c
View File

@ -450,6 +450,16 @@ usage:
SDL_SetWindowMinimumSize(window, 160, 144);
SDL_GLContext gl_context = SDL_GL_CreateContext(window);
GLint major, minor;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
if (major * 0x100 + minor < 0x302) {
SDL_GL_DeleteContext(gl_context);
gl_context = NULL;
}
if (gl_context == NULL) {
renderer = SDL_CreateRenderer(window, -1, 0);
texture = SDL_CreateTexture(renderer, SDL_GetWindowPixelFormat(window), SDL_TEXTUREACCESS_STREAMING, 160, 144);

8
SDL/shader.c
View File

@ -65,6 +65,14 @@ static GLuint create_program(const char *vsh, const char *fsh)
bool init_shader_with_name(shader_t *shader, const char *name)
{
GLint major, minor;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
if (major * 0x100 + minor < 0x302) {
return false;
}
static char master_shader_code[0x801] = {0,};
static char shader_code[0x10001] = {0,};
static char final_shader_code[0x10801] = {0,};