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OpenGL Renderer: 

- Move lookup table initialization to its own function + bugfixes.
This commit is contained in:
rogerman 2013-01-21 22:58:56 +00:00
parent a1fbdd04a6
commit ed2ef989d7
1 changed files with 19 additions and 7 deletions
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26
desmume/src/OGLRender.cpp
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@ -223,7 +223,7 @@ static bool gpuScreen3DHasNewData[2] = {false, false};
static unsigned int gpuScreen3DBufferIndex = 0;
// Lookup Tables
static CACHE_ALIGN GLfloat material_8bit_to_float[255] = {0};
static CACHE_ALIGN GLfloat material_8bit_to_float[256] = {0};
static CACHE_ALIGN GLuint dsDepthToD24S8_LUT[32768] = {0};
static const GLfloat divide5bitBy31LUT[32] = {0.0, 0.03225806451613, 0.06451612903226, 0.09677419354839,
0.1290322580645, 0.1612903225806, 0.1935483870968, 0.2258064516129,
@ -1026,6 +1026,22 @@ static bool OGLInitRenderStates(const char *oglExtensionString, bool shaderSuppo
return result;
}
static void OGLInitTables()
{
static bool needTableInit = true;
if (needTableInit)
{
for (unsigned int i = 0; i < 256; i++)
material_8bit_to_float[i] = (GLfloat)(i * 4) / 255.0f;
for (unsigned int i = 0; i < 32768; i++)
dsDepthToD24S8_LUT[i] = (GLuint)DS_DEPTH15TO24(i) << 8;
needTableInit = false;
}
}
//=================================================
static void OGLReset()
@ -1231,7 +1247,7 @@ static char OGLInit(void)
if (!IsVersionSupported(OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_MAJOR, OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_MINOR, OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_REVISION))
{
INFO("OpenGL: GPU does not support OpenGL v%u.%u.%u or later.\n[GPU Info - Version: %s, Vendor: %s, Renderer: %s]\n",
INFO("OpenGL: GPU does not support OpenGL v%u.%u.%u or later. Disabling 3D renderer.\n[GPU Info - Version: %s, Vendor: %s, Renderer: %s]\n",
OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_MAJOR, OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_MINOR, OGLRENDER_LEGACY_MINIMUM_GPU_VERSION_REQUIRED_REVISION,
oglVersionString, oglVendorString, oglRendererString);
@ -1243,11 +1259,7 @@ static char OGLInit(void)
OGLInitFunctions(oglExtensionString);
// Initialize tables
for (u8 i = 0; i < 255; i++)
material_8bit_to_float[i] = (GLfloat)(i<<2)/255.f;
for (unsigned int i = 0; i < 32768; i++)
dsDepthToD24S8_LUT[i] = (GLuint)DS_DEPTH15TO24(i) << 8;
OGLInitTables();
// Maintain our own vertex index buffer for vertex batching and primitive
// conversions. Such conversions are necessary since OpenGL deprecates