Function initgl

Source/SysGL/HLEGraphics/RendererGL.cpp:89–140

static u32 		gColorBuffer[kMaxVertices];

bool initgl()
{
	DAEDALUS_ASSERT(gN64FramentLibrary == NULL, "Already initialised");

	// FIXME(strmnnrmn): need a nicer 'load file' utility function.
	{
		IO::Filename shader_path;
		IO::Path::Combine(shader_path, gDaedalusExePath, "n64.psh");

		FILE * fh = fopen(shader_path, "r");
		if (!fh)
		{
			DAEDALUS_ERROR("Couldn't load shader source %s", shader_path);
			fprintf(stderr, "ERROR: couldn't load shader source %s\n", shader_path);
			return false;
		}

		fseek(fh, 0, SEEK_END);
		size_t l = ftell(fh);
		fseek(fh, 0, SEEK_SET);
		char * p = (char *)malloc(l+1);
		fread(p, l, 1, fh);
		p[l] = 0;
		fclose(fh);

		gN64FramentLibrary = p;
	}

	// Only do software emulation of mirror_s/mirror_t if we're not doing accurate UV handling
	gRDPStateManager.SetEmulateMirror(!gAccurateUVPipe);

	// FIXME(strmnnrmn): we shouldn't need these with GLEW, but they don't seem to resolve on OSX.
    GLboolean status = GL_TRUE;
    RESOLVE_GL_FCN(PFN_glGenVertexArrays, pglGenVertexArrays, "glGenVertexArrays");
    RESOLVE_GL_FCN(PFN_glDeleteVertexArrays, pglDeleteVertexArrays, "glDeleteVertexArrays");
    RESOLVE_GL_FCN(PFN_glBindVertexArray, pglBindVertexArray, "glBindVertexArray");

	pglGenVertexArrays(1, &gVAO);
	pglBindVertexArray(gVAO);

	glGenBuffers(kNumBuffers, gVBOs);

	glBindBuffer(GL_ARRAY_BUFFER, gVBOs[kPositionBuffer]);
	glBufferData(GL_ARRAY_BUFFER, sizeof(gPositionBuffer), gPositionBuffer, GL_DYNAMIC_DRAW);

	glBindBuffer(GL_ARRAY_BUFFER, gVBOs[kTexCoordBuffer]);
	glBufferData(GL_ARRAY_BUFFER, sizeof(gTexCoordBuffer), gTexCoordBuffer, GL_DYNAMIC_DRAW);

	glBindBuffer(GL_ARRAY_BUFFER, gVBOs[kColorBuffer]);
	glBufferData(GL_ARRAY_BUFFER, sizeof(gColorBuffer), gColorBuffer, GL_DYNAMIC_DRAW);
	return true;
}


void sceGuFog(f32 mn, f32 mx, u32 col)