wanp/townengine
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limit framebuffer, no error context on release, catching init errors

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This commit is contained in:
veclav talica 2024-07-30 20:29:00 +03:00
parent 94ce701dae
commit 81015b1079
1 changed files with 26 additions and 14 deletions
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40
src/main.c
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@ -175,13 +175,29 @@ static bool initialize(void) {
return false; return false;
} }
/* TODO: recognize cli parameter to turn it on on release */
/* debug mode _defaults_ to being enabled on debug builds. */
/* you should be able to enable it at runtime on any build */
#ifndef NDEBUG
ctx.debug = true;
#else
ctx.debug = false;
#endif
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 5); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 5);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG); SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0); SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 8); SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
if (ctx.debug)
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
else
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_NO_ERROR);
/* init got far enough to create a window */ /* init got far enough to create a window */
ctx.window = SDL_CreateWindow("townengine", ctx.window = SDL_CreateWindow("townengine",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
@ -202,11 +218,15 @@ static bool initialize(void) {
goto fail; goto fail;
} }
SDL_GL_MakeCurrent(ctx.window, ctx.gl_context); if (SDL_GL_MakeCurrent(ctx.window, ctx.gl_context)) {
SDL_GL_SetSwapInterval(1); CRY_SDL("GL context binding failed.");
goto fail;
}
int glad_status = gladLoadGL(); if (SDL_GL_SetSwapInterval(-1))
if (glad_status == 0) { SDL_GL_SetSwapInterval(1);
if (gladLoadGL() == 0) {
CRY("Init", "GLAD failed"); CRY("Init", "GLAD failed");
goto fail; goto fail;
} }
@ -261,14 +281,6 @@ static bool initialize(void) {
/* you could change this at runtime if you wanted */ /* you could change this at runtime if you wanted */
ctx.update_multiplicity = 1; ctx.update_multiplicity = 1;
/* debug mode _defaults_ to being enabled on debug builds. */
/* you should be able to enable it at runtime on any build */
#ifndef NDEBUG
ctx.debug = true;
#else
ctx.debug = false;
#endif
/* hook up opengl debugging callback */ /* hook up opengl debugging callback */
if (ctx.debug) { if (ctx.debug) {
glEnable(GL_DEBUG_OUTPUT); glEnable(GL_DEBUG_OUTPUT);