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#include "UnityPrefix.h"
#include "UtilsGLES30.h"
#include "IncludesGLES30.h"
UInt32 GetColorFormatGLES30 (RenderTextureFormat format)
{
switch (format)
{
case kRTFormatARGB32: return GL_RGBA8;
case kRTFormatDepth: return GL_NONE;
case kRTFormatARGBHalf: return GL_RGBA16F;
case kRTFormatShadowMap: return GL_NONE;
case kRTFormatRGB565: return GL_RGB565;
case kRTFormatARGB4444: return GL_RGBA4;
case kRTFormatARGB1555: return GL_RGB5_A1;
case kRTFormatDefault: return GL_RGBA8;
case kRTFormatA2R10G10B10: return GL_RGB10_A2;
case kRTFormatDefaultHDR: return GL_R11F_G11F_B10F;
case kRTFormatARGB64: return GL_RGBA8;
case kRTFormatARGBFloat: return GL_RGBA32F;
case kRTFormatRGFloat: return GL_RG32F;
case kRTFormatRGHalf: return GL_RG16F;
case kRTFormatRFloat: return GL_R32F;
case kRTFormatRHalf: return GL_R16F;
case kRTFormatR8: return GL_R8;
case kRTFormatARGBInt: return GL_RGBA32I;
case kRTFormatRGInt: return GL_RG32I;
case kRTFormatRInt: return GL_R32I;
default:
Assert("Invalid RenderTextureFormat");
return GL_RGBA8;
}
}
UInt32 GetDepthOnlyFormatGLES30 (DepthBufferFormat format)
{
switch (format)
{
case kDepthFormatNone: return GL_NONE;
case kDepthFormat16: return GL_DEPTH_COMPONENT16;
case kDepthFormat24: return GL_DEPTH_COMPONENT24;
default:
Assert("Invalid DepthBufferFormat");
return GL_NONE;
}
}
UInt32 GetDepthStencilFormatGLES30 (DepthBufferFormat format)
{
switch (format)
{
case kDepthFormatNone: return GL_STENCIL_INDEX8;
case kDepthFormat16: return GL_DEPTH24_STENCIL8;
case kDepthFormat24: return GL_DEPTH24_STENCIL8;
default:
Assert("Invalid DepthBufferFormat");
return GL_NONE;
}
}
TransferFormatGLES30 GetTransferFormatGLES30 (UInt32 internalFormat)
{
switch (internalFormat)
{
case GL_RGBA32F: return TransferFormatGLES30(GL_RGBA, GL_FLOAT );
case GL_RGBA32I: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_INT );
case GL_RGBA32UI: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_UNSIGNED_INT );
case GL_RGBA16F: return TransferFormatGLES30(GL_RGBA, GL_HALF_FLOAT );
case GL_RGBA16I: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_SHORT );
case GL_RGBA16UI: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_UNSIGNED_SHORT );
case GL_RGBA8: return TransferFormatGLES30(GL_RGBA, GL_UNSIGNED_BYTE );
case GL_RGBA8I: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_BYTE );
case GL_RGBA8UI: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_UNSIGNED_BYTE );
case GL_SRGB8_ALPHA8: return TransferFormatGLES30(GL_RGBA, GL_UNSIGNED_BYTE );
case GL_RGB10_A2: return TransferFormatGLES30(GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV );
case GL_RGB10_A2UI: return TransferFormatGLES30(GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV );
case GL_RGBA4: return TransferFormatGLES30(GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 );
case GL_RGB5_A1: return TransferFormatGLES30(GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 );
case GL_RGBA8_SNORM: return TransferFormatGLES30(GL_RGBA, GL_BYTE );
case GL_RGB8: return TransferFormatGLES30(GL_RGB, GL_UNSIGNED_BYTE );
case GL_RGB565: return TransferFormatGLES30(GL_RGB, GL_UNSIGNED_SHORT_5_6_5 );
case GL_R11F_G11F_B10F: return TransferFormatGLES30(GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV );
case GL_RGB32F: return TransferFormatGLES30(GL_RGB, GL_FLOAT );
case GL_RGB32I: return TransferFormatGLES30(GL_RGB_INTEGER, GL_INT );
case GL_RGB32UI: return TransferFormatGLES30(GL_RGB_INTEGER, GL_UNSIGNED_INT );
case GL_RGB16F: return TransferFormatGLES30(GL_RGB, GL_HALF_FLOAT );
case GL_RGB16I: return TransferFormatGLES30(GL_RGB_INTEGER, GL_SHORT );
case GL_RGB16UI: return TransferFormatGLES30(GL_RGB_INTEGER, GL_UNSIGNED_SHORT );
case GL_RGB8_SNORM: return TransferFormatGLES30(GL_RGB, GL_BYTE );
case GL_RGB8I: return TransferFormatGLES30(GL_RGB_INTEGER, GL_BYTE );
case GL_RGB8UI: return TransferFormatGLES30(GL_RGB_INTEGER, GL_UNSIGNED_BYTE );
case GL_SRGB8: return TransferFormatGLES30(GL_RGB, GL_UNSIGNED_BYTE );
case GL_RGB9_E5: return TransferFormatGLES30(GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV );
case GL_RG32F: return TransferFormatGLES30(GL_RG, GL_FLOAT );
case GL_RG32I: return TransferFormatGLES30(GL_RG_INTEGER, GL_INT );
case GL_RG32UI: return TransferFormatGLES30(GL_RG_INTEGER, GL_UNSIGNED_INT );
case GL_RG16F: return TransferFormatGLES30(GL_RG, GL_HALF_FLOAT );
case GL_RG16I: return TransferFormatGLES30(GL_RG_INTEGER, GL_SHORT );
case GL_RG16UI: return TransferFormatGLES30(GL_RG_INTEGER, GL_UNSIGNED_SHORT );
case GL_RG8: return TransferFormatGLES30(GL_RG, GL_UNSIGNED_BYTE );
case GL_RG8I: return TransferFormatGLES30(GL_RG_INTEGER, GL_BYTE );
case GL_RG8UI: return TransferFormatGLES30(GL_RG_INTEGER, GL_UNSIGNED_BYTE );
case GL_RG8_SNORM: return TransferFormatGLES30(GL_RG, GL_BYTE );
case GL_R32F: return TransferFormatGLES30(GL_RED, GL_FLOAT );
case GL_R32I: return TransferFormatGLES30(GL_RED_INTEGER, GL_INT );
case GL_R32UI: return TransferFormatGLES30(GL_RED_INTEGER, GL_UNSIGNED_INT );
case GL_R16F: return TransferFormatGLES30(GL_RED, GL_HALF_FLOAT );
case GL_R16I: return TransferFormatGLES30(GL_RED_INTEGER, GL_SHORT );
case GL_R16UI: return TransferFormatGLES30(GL_RED_INTEGER, GL_UNSIGNED_SHORT );
case GL_R8: return TransferFormatGLES30(GL_RED, GL_UNSIGNED_BYTE );
case GL_R8I: return TransferFormatGLES30(GL_RED_INTEGER, GL_BYTE );
case GL_R8UI: return TransferFormatGLES30(GL_RED_INTEGER, GL_UNSIGNED_BYTE );
case GL_R8_SNORM: return TransferFormatGLES30(GL_RED, GL_BYTE );
case GL_DEPTH_COMPONENT32F: return TransferFormatGLES30(GL_DEPTH_COMPONENT, GL_FLOAT );
case GL_DEPTH_COMPONENT24: return TransferFormatGLES30(GL_DEPTH_COMPONENT, GL_UNSIGNED_INT );
case GL_DEPTH_COMPONENT16: return TransferFormatGLES30(GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT );
case GL_DEPTH32F_STENCIL8: return TransferFormatGLES30(GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV );
case GL_DEPTH24_STENCIL8: return TransferFormatGLES30(GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8 );
default: return TransferFormatGLES30(GL_NONE, GL_NONE );
}
}
UInt32 GetDefaultFramebufferColorFormatGLES30 (void)
{
int redBits = 0;
int greenBits = 0;
int blueBits = 0;
int alphaBits = 0;
glGetIntegerv(GL_RED_BITS, &redBits);
glGetIntegerv(GL_GREEN_BITS, &greenBits);
glGetIntegerv(GL_BLUE_BITS, &blueBits);
glGetIntegerv(GL_ALPHA_BITS, &alphaBits);
#define PACK_FMT(R, G, B, A) (((R) << 24) | ((G) << 16) | ((B) << 8) | (A))
// \note [pyry] This may not hold true on some implementations - best effort guess only.
switch (PACK_FMT(redBits, greenBits, blueBits, alphaBits))
{
case PACK_FMT(8,8,8,8): return GL_RGBA8;
case PACK_FMT(8,8,8,0): return GL_RGB8;
case PACK_FMT(4,4,4,4): return GL_RGBA4;
case PACK_FMT(5,5,5,1): return GL_RGB5_A1;
case PACK_FMT(5,6,5,0): return GL_RGB565;
default: return GL_NONE;
}
#undef PACK_FMT
}
UInt32 GetDefaultFramebufferDepthFormatGLES30 (void)
{
int depthBits = 0;
int stencilBits = 0;
glGetIntegerv(GL_DEPTH_BITS, &depthBits);
glGetIntegerv(GL_STENCIL_BITS, &stencilBits);
if(stencilBits > 0)
{
switch (depthBits)
{
case 32: return GL_DEPTH32F_STENCIL8;
case 24: return GL_DEPTH24_STENCIL8;
case 16: return GL_DEPTH_COMPONENT16; // There's probably no such config?
default: return GL_NONE;
}
}
else
{
switch (depthBits)
{
case 32: return GL_DEPTH_COMPONENT32F;
case 24: return GL_DEPTH_COMPONENT24;
case 16: return GL_DEPTH_COMPONENT16;
default: return GL_NONE;
}
}
}
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