diff options
Diffstat (limited to 'Runtime/GfxDevice/opengles30/UtilsGLES30.cpp')
| -rw-r--r-- | Runtime/GfxDevice/opengles30/UtilsGLES30.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/Runtime/GfxDevice/opengles30/UtilsGLES30.cpp b/Runtime/GfxDevice/opengles30/UtilsGLES30.cpp new file mode 100644 index 0000000..2c28c12 --- /dev/null +++ b/Runtime/GfxDevice/opengles30/UtilsGLES30.cpp @@ -0,0 +1,181 @@ +#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; + } + + } +} |