// Copyright 2016 The SwiftShader Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include "Image.hpp" #include "../libEGL/Texture.hpp" #include "../common/debug.h" #include "Common/Math.hpp" #include "Common/Thread.hpp" #include <GLES3/gl3.h> #include <string.h> #include <algorithm> #if defined(__APPLE__) #include <CoreFoundation/CoreFoundation.h> #include <IOSurface/IOSurface.h> #endif namespace gl { sw::Format ConvertReadFormatType(GLenum format, GLenum type) { switch(format) { case GL_LUMINANCE: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_L8; case GL_HALF_FLOAT: return sw::FORMAT_L16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_L16F; case GL_FLOAT: return sw::FORMAT_L32F; default: UNREACHABLE(type); } break; case GL_LUMINANCE_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_A8L8; case GL_HALF_FLOAT: return sw::FORMAT_A16L16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_A16L16F; case GL_FLOAT: return sw::FORMAT_A32L32F; default: UNREACHABLE(type); } break; case GL_RGBA: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_A8B8G8R8; case GL_UNSIGNED_SHORT_4_4_4_4: return sw::FORMAT_R4G4B4A4; case GL_UNSIGNED_SHORT_5_5_5_1: return sw::FORMAT_R5G5B5A1; case GL_HALF_FLOAT: return sw::FORMAT_A16B16G16R16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_A16B16G16R16F; case GL_FLOAT: return sw::FORMAT_A32B32G32R32F; case GL_UNSIGNED_INT_2_10_10_10_REV_EXT: return sw::FORMAT_A2B10G10R10; default: UNREACHABLE(type); } break; case GL_BGRA_EXT: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_A8R8G8B8; case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: return sw::FORMAT_A4R4G4B4; case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: return sw::FORMAT_A1R5G5B5; default: UNREACHABLE(type); } break; case GL_RGB: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_B8G8R8; case GL_UNSIGNED_SHORT_5_6_5: return sw::FORMAT_R5G6B5; case GL_HALF_FLOAT: return sw::FORMAT_B16G16R16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_B16G16R16F; case GL_FLOAT: return sw::FORMAT_B32G32R32F; default: UNREACHABLE(type); } break; case GL_RG: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_G8R8; case GL_HALF_FLOAT: return sw::FORMAT_G16R16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_G16R16F; case GL_FLOAT: return sw::FORMAT_G32R32F; default: UNREACHABLE(type); } break; case GL_RED: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_R8; case GL_HALF_FLOAT: return sw::FORMAT_R16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_R16F; case GL_FLOAT: return sw::FORMAT_R32F; default: UNREACHABLE(type); } break; case GL_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return sw::FORMAT_A8; case GL_HALF_FLOAT: return sw::FORMAT_A16F; case GL_HALF_FLOAT_OES: return sw::FORMAT_A16F; case GL_FLOAT: return sw::FORMAT_A32F; default: UNREACHABLE(type); } break; case GL_RED_INTEGER: switch(type) { case GL_INT: return sw::FORMAT_R32I; case GL_UNSIGNED_INT: return sw::FORMAT_R32UI; default: UNREACHABLE(type); } break; case GL_RG_INTEGER: switch(type) { case GL_INT: return sw::FORMAT_G32R32I; case GL_UNSIGNED_INT: return sw::FORMAT_G32R32UI; default: UNREACHABLE(type); } break; case GL_RGB_INTEGER: switch(type) { case GL_INT: return sw::FORMAT_X32B32G32R32I; case GL_UNSIGNED_INT: return sw::FORMAT_X32B32G32R32UI; default: UNREACHABLE(type); } break; case GL_RGBA_INTEGER: switch(type) { case GL_INT: return sw::FORMAT_A32B32G32R32I; case GL_UNSIGNED_INT: return sw::FORMAT_A32B32G32R32UI; case GL_UNSIGNED_INT_2_10_10_10_REV: return sw::FORMAT_A2B10G10R10UI; default: UNREACHABLE(type); } break; case GL_DEPTH_COMPONENT: switch(type) { case GL_UNSIGNED_SHORT: return sw::FORMAT_D16; case GL_UNSIGNED_INT_24_8_OES: return sw::FORMAT_D24S8; case GL_UNSIGNED_INT: return sw::FORMAT_D32; case GL_FLOAT: return sw::FORMAT_D32F_LOCKABLE; default: UNREACHABLE(type); } break; default: UNREACHABLE(format); break; } return sw::FORMAT_NULL; } bool IsUnsizedInternalFormat(GLint internalformat) { switch(internalformat) { case GL_ALPHA: case GL_LUMINANCE: case GL_LUMINANCE_ALPHA: case GL_RED: case GL_RG: case GL_RGB: case GL_RGBA: case GL_RED_INTEGER: case GL_RG_INTEGER: case GL_RGB_INTEGER: case GL_RGBA_INTEGER: case GL_BGRA_EXT: case GL_DEPTH_COMPONENT: case GL_DEPTH_STENCIL: // GL_EXT_sRGB // case GL_SRGB_EXT: // case GL_SRGB_ALPHA_EXT: return true; default: return false; } } GLenum GetBaseInternalFormat(GLint internalformat) { switch(internalformat) { // [OpenGL ES 3.0 Table 3.13] case GL_R8: return GL_RED; case GL_R8_SNORM: return GL_RED; case GL_RG8: return GL_RG; case GL_RG8_SNORM: return GL_RG; case GL_RGB8: return GL_RGB; case GL_RGB8_SNORM: return GL_RGB; case GL_RGB565: return GL_RGB; case GL_RGBA4: return GL_RGBA; case GL_RGB5_A1: return GL_RGBA; case GL_RGBA8: return GL_RGBA; case GL_RGBA8_SNORM: return GL_RGBA; case GL_RGB10_A2: return GL_RGBA; case GL_RGB10_A2UI: return GL_RGBA; case GL_SRGB8: return GL_RGB; case GL_SRGB8_ALPHA8: return GL_RGBA; case GL_R16F: return GL_RED; case GL_RG16F: return GL_RG; case GL_RGB16F: return GL_RGB; case GL_RGBA16F: return GL_RGBA; case GL_R32F: return GL_RED; case GL_RG32F: return GL_RG; case GL_RGB32F: return GL_RGB; case GL_RGBA32F: return GL_RGBA; case GL_R11F_G11F_B10F: return GL_RGB; case GL_RGB9_E5: return GL_RGB; case GL_R8I: return GL_RED; case GL_R8UI: return GL_RED; case GL_R16I: return GL_RED; case GL_R16UI: return GL_RED; case GL_R32I: return GL_RED; case GL_R32UI: return GL_RED; case GL_RG8I: return GL_RG; case GL_RG8UI: return GL_RG; case GL_RG16I: return GL_RG; case GL_RG16UI: return GL_RG; case GL_RG32I: return GL_RG; case GL_RG32UI: return GL_RG; case GL_RGB8I: return GL_RGB; case GL_RGB8UI: return GL_RGB; case GL_RGB16I: return GL_RGB; case GL_RGB16UI: return GL_RGB; case GL_RGB32I: return GL_RGB; case GL_RGB32UI: return GL_RGB; case GL_RGBA8I: return GL_RGBA; case GL_RGBA8UI: return GL_RGBA; case GL_RGBA16I: return GL_RGBA; case GL_RGBA16UI: return GL_RGBA; case GL_RGBA32I: return GL_RGBA; case GL_RGBA32UI: return GL_RGBA; // GL_EXT_texture_storage case GL_ALPHA8_EXT: return GL_ALPHA; case GL_LUMINANCE8_EXT: return GL_LUMINANCE; case GL_LUMINANCE8_ALPHA8_EXT: return GL_LUMINANCE_ALPHA; case GL_ALPHA32F_EXT: return GL_ALPHA; case GL_LUMINANCE32F_EXT: return GL_LUMINANCE; case GL_LUMINANCE_ALPHA32F_EXT: return GL_LUMINANCE_ALPHA; case GL_ALPHA16F_EXT: return GL_ALPHA; case GL_LUMINANCE16F_EXT: return GL_LUMINANCE; case GL_LUMINANCE_ALPHA16F_EXT: return GL_LUMINANCE_ALPHA; case GL_BGRA8_EXT: return GL_BGRA_EXT; // GL_APPLE_texture_format_BGRA8888 case GL_DEPTH_COMPONENT24: return GL_DEPTH_COMPONENT; case GL_DEPTH_COMPONENT32_OES: return GL_DEPTH_COMPONENT; case GL_DEPTH_COMPONENT32F: return GL_DEPTH_COMPONENT; case GL_DEPTH_COMPONENT16: return GL_DEPTH_COMPONENT; case GL_DEPTH32F_STENCIL8: return GL_DEPTH_STENCIL; case GL_DEPTH24_STENCIL8: return GL_DEPTH_STENCIL; case GL_STENCIL_INDEX8: return GL_STENCIL_INDEX_OES; default: UNREACHABLE(internalformat); break; } return GL_NONE; } GLint GetSizedInternalFormat(GLint internalformat, GLenum type) { if(!IsUnsizedInternalFormat(internalformat)) { return internalformat; } switch(internalformat) { case GL_RGBA: switch(type) { case GL_UNSIGNED_BYTE: return GL_RGBA8; case GL_BYTE: return GL_RGBA8_SNORM; case GL_UNSIGNED_SHORT_4_4_4_4: return GL_RGBA4; case GL_UNSIGNED_SHORT_5_5_5_1: return GL_RGB5_A1; case GL_UNSIGNED_INT_2_10_10_10_REV: return GL_RGB10_A2; case GL_FLOAT: return GL_RGBA32F; case GL_HALF_FLOAT: return GL_RGBA16F; case GL_HALF_FLOAT_OES: return GL_RGBA16F; default: UNREACHABLE(type); return GL_NONE; } case GL_RGBA_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: return GL_RGBA8UI; case GL_BYTE: return GL_RGBA8I; case GL_UNSIGNED_SHORT: return GL_RGBA16UI; case GL_SHORT: return GL_RGBA16I; case GL_UNSIGNED_INT: return GL_RGBA32UI; case GL_INT: return GL_RGBA32I; case GL_UNSIGNED_INT_2_10_10_10_REV: return GL_RGB10_A2UI; default: UNREACHABLE(type); return GL_NONE; } case GL_RGB: switch(type) { case GL_UNSIGNED_BYTE: return GL_RGB8; case GL_BYTE: return GL_RGB8_SNORM; case GL_UNSIGNED_SHORT_5_6_5: return GL_RGB565; case GL_UNSIGNED_INT_10F_11F_11F_REV: return GL_R11F_G11F_B10F; case GL_UNSIGNED_INT_5_9_9_9_REV: return GL_RGB9_E5; case GL_FLOAT: return GL_RGB32F; case GL_HALF_FLOAT: return GL_RGB16F; case GL_HALF_FLOAT_OES: return GL_RGB16F; default: UNREACHABLE(type); return GL_NONE; } case GL_RGB_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: return GL_RGB8UI; case GL_BYTE: return GL_RGB8I; case GL_UNSIGNED_SHORT: return GL_RGB16UI; case GL_SHORT: return GL_RGB16I; case GL_UNSIGNED_INT: return GL_RGB32UI; case GL_INT: return GL_RGB32I; default: UNREACHABLE(type); return GL_NONE; } case GL_RG: switch(type) { case GL_UNSIGNED_BYTE: return GL_RG8; case GL_BYTE: return GL_RG8_SNORM; case GL_FLOAT: return GL_RG32F; case GL_HALF_FLOAT: return GL_RG16F; case GL_HALF_FLOAT_OES: return GL_RG16F; default: UNREACHABLE(type); return GL_NONE; } case GL_RG_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: return GL_RG8UI; case GL_BYTE: return GL_RG8I; case GL_UNSIGNED_SHORT: return GL_RG16UI; case GL_SHORT: return GL_RG16I; case GL_UNSIGNED_INT: return GL_RG32UI; case GL_INT: return GL_RG32I; default: UNREACHABLE(type); return GL_NONE; } case GL_RED: switch(type) { case GL_UNSIGNED_BYTE: return GL_R8; case GL_BYTE: return GL_R8_SNORM; case GL_FLOAT: return GL_R32F; case GL_HALF_FLOAT: return GL_R16F; case GL_HALF_FLOAT_OES: return GL_R16F; default: UNREACHABLE(type); return GL_NONE; } case GL_RED_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: return GL_R8UI; case GL_BYTE: return GL_R8I; case GL_UNSIGNED_SHORT: return GL_R16UI; case GL_SHORT: return GL_R16I; case GL_UNSIGNED_INT: return GL_R32UI; case GL_INT: return GL_R32I; default: UNREACHABLE(type); return GL_NONE; } case GL_LUMINANCE_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return GL_LUMINANCE8_ALPHA8_EXT; case GL_FLOAT: return GL_LUMINANCE_ALPHA32F_EXT; case GL_HALF_FLOAT: return GL_LUMINANCE_ALPHA16F_EXT; case GL_HALF_FLOAT_OES: return GL_LUMINANCE_ALPHA16F_EXT; default: UNREACHABLE(type); return GL_NONE; } case GL_LUMINANCE: switch(type) { case GL_UNSIGNED_BYTE: return GL_LUMINANCE8_EXT; case GL_FLOAT: return GL_LUMINANCE32F_EXT; case GL_HALF_FLOAT: return GL_LUMINANCE16F_EXT; case GL_HALF_FLOAT_OES: return GL_LUMINANCE16F_EXT; default: UNREACHABLE(type); return GL_NONE; } case GL_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return GL_ALPHA8_EXT; case GL_FLOAT: return GL_ALPHA32F_EXT; case GL_HALF_FLOAT: return GL_ALPHA16F_EXT; case GL_HALF_FLOAT_OES: return GL_ALPHA16F_EXT; default: UNREACHABLE(type); return GL_NONE; } case GL_BGRA_EXT: switch(type) { case GL_UNSIGNED_BYTE: return GL_BGRA8_EXT; case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: // Only valid for glReadPixels calls. case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: // Only valid for glReadPixels calls. default: UNREACHABLE(type); return GL_NONE; } case GL_DEPTH_COMPONENT: switch(type) { case GL_UNSIGNED_SHORT: return GL_DEPTH_COMPONENT16; case GL_UNSIGNED_INT: return GL_DEPTH_COMPONENT32_OES; case GL_FLOAT: return GL_DEPTH_COMPONENT32F; default: UNREACHABLE(type); return GL_NONE; } case GL_DEPTH_STENCIL: switch(type) { case GL_UNSIGNED_INT_24_8: return GL_DEPTH24_STENCIL8; case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: return GL_DEPTH32F_STENCIL8; default: UNREACHABLE(type); return GL_NONE; } // GL_OES_texture_stencil8 // case GL_STENCIL_INDEX_OES / GL_UNSIGNED_BYTE: return GL_STENCIL_INDEX8; // GL_EXT_sRGB // case GL_SRGB_EXT / GL_UNSIGNED_BYTE: return GL_SRGB8; // case GL_SRGB_ALPHA_EXT / GL_UNSIGNED_BYTE: return GL_SRGB8_ALPHA8; default: UNREACHABLE(internalformat); } return GL_NONE; } sw::Format SelectInternalFormat(GLint format) { switch(format) { case GL_RGBA4: return sw::FORMAT_A8B8G8R8; case GL_RGB5_A1: return sw::FORMAT_A8B8G8R8; case GL_RGBA8: return sw::FORMAT_A8B8G8R8; case GL_RGB565: return sw::FORMAT_R5G6B5; case GL_RGB8: return sw::FORMAT_X8B8G8R8; case GL_DEPTH_COMPONENT32F: return sw::FORMAT_D32F_LOCKABLE; case GL_DEPTH_COMPONENT16: return sw::FORMAT_D32F_LOCKABLE; case GL_DEPTH_COMPONENT24: return sw::FORMAT_D32F_LOCKABLE; case GL_DEPTH_COMPONENT32_OES: return sw::FORMAT_D32F_LOCKABLE; case GL_DEPTH24_STENCIL8: return sw::FORMAT_D32FS8_TEXTURE; case GL_DEPTH32F_STENCIL8: return sw::FORMAT_D32FS8_TEXTURE; case GL_STENCIL_INDEX8: return sw::FORMAT_S8; case GL_R8: return sw::FORMAT_R8; case GL_RG8: return sw::FORMAT_G8R8; case GL_R8I: return sw::FORMAT_R8I; case GL_RG8I: return sw::FORMAT_G8R8I; case GL_RGB8I: return sw::FORMAT_X8B8G8R8I; case GL_RGBA8I: return sw::FORMAT_A8B8G8R8I; case GL_R8UI: return sw::FORMAT_R8UI; case GL_RG8UI: return sw::FORMAT_G8R8UI; case GL_RGB8UI: return sw::FORMAT_X8B8G8R8UI; case GL_RGBA8UI: return sw::FORMAT_A8B8G8R8UI; case GL_R16I: return sw::FORMAT_R16I; case GL_RG16I: return sw::FORMAT_G16R16I; case GL_RGB16I: return sw::FORMAT_X16B16G16R16I; case GL_RGBA16I: return sw::FORMAT_A16B16G16R16I; case GL_R16UI: return sw::FORMAT_R16UI; case GL_RG16UI: return sw::FORMAT_G16R16UI; case GL_RGB16UI: return sw::FORMAT_X16B16G16R16UI; case GL_RGBA16UI: return sw::FORMAT_A16B16G16R16UI; case GL_R32I: return sw::FORMAT_R32I; case GL_RG32I: return sw::FORMAT_G32R32I; case GL_RGB32I: return sw::FORMAT_X32B32G32R32I; case GL_RGBA32I: return sw::FORMAT_A32B32G32R32I; case GL_R32UI: return sw::FORMAT_R32UI; case GL_RG32UI: return sw::FORMAT_G32R32UI; case GL_RGB32UI: return sw::FORMAT_X32B32G32R32UI; case GL_RGBA32UI: return sw::FORMAT_A32B32G32R32UI; case GL_R16F: return sw::FORMAT_R16F; case GL_RG16F: return sw::FORMAT_G16R16F; case GL_R11F_G11F_B10F: return sw::FORMAT_X16B16G16R16F_UNSIGNED; case GL_RGB16F: return sw::FORMAT_X16B16G16R16F; case GL_RGBA16F: return sw::FORMAT_A16B16G16R16F; case GL_R32F: return sw::FORMAT_R32F; case GL_RG32F: return sw::FORMAT_G32R32F; case GL_RGB32F: return sw::FORMAT_X32B32G32R32F; case GL_RGBA32F: return sw::FORMAT_A32B32G32R32F; case GL_RGB10_A2: return sw::FORMAT_A2B10G10R10; case GL_RGB10_A2UI: return sw::FORMAT_A2B10G10R10UI; case GL_SRGB8: return sw::FORMAT_SRGB8_X8; case GL_SRGB8_ALPHA8: return sw::FORMAT_SRGB8_A8; case GL_ETC1_RGB8_OES: return sw::FORMAT_ETC1; case GL_COMPRESSED_R11_EAC: return sw::FORMAT_R11_EAC; case GL_COMPRESSED_SIGNED_R11_EAC: return sw::FORMAT_SIGNED_R11_EAC; case GL_COMPRESSED_RG11_EAC: return sw::FORMAT_RG11_EAC; case GL_COMPRESSED_SIGNED_RG11_EAC: return sw::FORMAT_SIGNED_RG11_EAC; case GL_COMPRESSED_RGB8_ETC2: return sw::FORMAT_RGB8_ETC2; case GL_COMPRESSED_SRGB8_ETC2: return sw::FORMAT_SRGB8_ETC2; case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: return sw::FORMAT_RGB8_PUNCHTHROUGH_ALPHA1_ETC2; case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: return sw::FORMAT_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2; case GL_COMPRESSED_RGBA8_ETC2_EAC: return sw::FORMAT_RGBA8_ETC2_EAC; case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: return sw::FORMAT_SRGB8_ALPHA8_ETC2_EAC; case GL_COMPRESSED_RGBA_ASTC_4x4_KHR: return sw::FORMAT_RGBA_ASTC_4x4_KHR; case GL_COMPRESSED_RGBA_ASTC_5x4_KHR: return sw::FORMAT_RGBA_ASTC_5x4_KHR; case GL_COMPRESSED_RGBA_ASTC_5x5_KHR: return sw::FORMAT_RGBA_ASTC_5x5_KHR; case GL_COMPRESSED_RGBA_ASTC_6x5_KHR: return sw::FORMAT_RGBA_ASTC_6x5_KHR; case GL_COMPRESSED_RGBA_ASTC_6x6_KHR: return sw::FORMAT_RGBA_ASTC_6x6_KHR; case GL_COMPRESSED_RGBA_ASTC_8x5_KHR: return sw::FORMAT_RGBA_ASTC_8x5_KHR; case GL_COMPRESSED_RGBA_ASTC_8x6_KHR: return sw::FORMAT_RGBA_ASTC_8x6_KHR; case GL_COMPRESSED_RGBA_ASTC_8x8_KHR: return sw::FORMAT_RGBA_ASTC_8x8_KHR; case GL_COMPRESSED_RGBA_ASTC_10x5_KHR: return sw::FORMAT_RGBA_ASTC_10x5_KHR; case GL_COMPRESSED_RGBA_ASTC_10x6_KHR: return sw::FORMAT_RGBA_ASTC_10x6_KHR; case GL_COMPRESSED_RGBA_ASTC_10x8_KHR: return sw::FORMAT_RGBA_ASTC_10x8_KHR; case GL_COMPRESSED_RGBA_ASTC_10x10_KHR: return sw::FORMAT_RGBA_ASTC_10x10_KHR; case GL_COMPRESSED_RGBA_ASTC_12x10_KHR: return sw::FORMAT_RGBA_ASTC_12x10_KHR; case GL_COMPRESSED_RGBA_ASTC_12x12_KHR: return sw::FORMAT_RGBA_ASTC_12x12_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_4x4_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_5x4_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_5x5_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_6x5_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_6x6_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_8x5_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_8x6_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_8x8_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_10x5_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_10x6_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_10x8_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_10x10_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_12x10_KHR; case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: return sw::FORMAT_SRGB8_ALPHA8_ASTC_12x12_KHR; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: return sw::FORMAT_DXT1; case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return sw::FORMAT_DXT1; case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: return sw::FORMAT_DXT3; case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: return sw::FORMAT_DXT5; case GL_ALPHA32F_EXT: return sw::FORMAT_A32F; case GL_LUMINANCE32F_EXT: return sw::FORMAT_L32F; case GL_LUMINANCE_ALPHA32F_EXT: return sw::FORMAT_A32L32F; case GL_RGB9_E5: return sw::FORMAT_X16B16G16R16F_UNSIGNED; case GL_ALPHA16F_EXT: return sw::FORMAT_A16F; case GL_LUMINANCE16F_EXT: return sw::FORMAT_L16F; case GL_LUMINANCE_ALPHA16F_EXT: return sw::FORMAT_A16L16F; case GL_R8_SNORM: return sw::FORMAT_R8_SNORM; case GL_RG8_SNORM: return sw::FORMAT_G8R8_SNORM; case GL_RGB8_SNORM: return sw::FORMAT_X8B8G8R8_SNORM; case GL_RGBA8_SNORM: return sw::FORMAT_A8B8G8R8_SNORM; case GL_LUMINANCE8_EXT: return sw::FORMAT_L8; case GL_LUMINANCE8_ALPHA8_EXT: return sw::FORMAT_A8L8; case GL_BGRA8_EXT: return sw::FORMAT_A8R8G8B8; case GL_ALPHA8_EXT: return sw::FORMAT_A8; case SW_YV12_BT601: return sw::FORMAT_YV12_BT601; case SW_YV12_BT709: return sw::FORMAT_YV12_BT709; case SW_YV12_JFIF: return sw::FORMAT_YV12_JFIF; default: UNREACHABLE(format); // Not a sized internal format. return sw::FORMAT_NULL; } } // Returns the size, in bytes, of a single client-side pixel. // OpenGL ES 3.0.5 table 3.2. static int ComputePixelSize(GLenum format, GLenum type) { switch(format) { case GL_RED: case GL_RED_INTEGER: case GL_ALPHA: case GL_LUMINANCE: switch(type) { case GL_BYTE: return 1; case GL_UNSIGNED_BYTE: return 1; case GL_FLOAT: return 4; case GL_HALF_FLOAT: return 2; case GL_HALF_FLOAT_OES: return 2; case GL_SHORT: return 2; case GL_UNSIGNED_SHORT: return 2; case GL_INT: return 4; case GL_UNSIGNED_INT: return 4; default: UNREACHABLE(type); } break; case GL_RG: case GL_RG_INTEGER: case GL_LUMINANCE_ALPHA: switch(type) { case GL_BYTE: return 2; case GL_UNSIGNED_BYTE: return 2; case GL_FLOAT: return 8; case GL_HALF_FLOAT: return 4; case GL_HALF_FLOAT_OES: return 4; case GL_SHORT: return 4; case GL_UNSIGNED_SHORT: return 4; case GL_INT: return 8; case GL_UNSIGNED_INT: return 8; default: UNREACHABLE(type); } break; case GL_RGB: case GL_RGB_INTEGER: switch(type) { case GL_BYTE: return 3; case GL_UNSIGNED_BYTE: return 3; case GL_UNSIGNED_SHORT_5_6_5: return 2; case GL_UNSIGNED_INT_10F_11F_11F_REV: return 4; case GL_UNSIGNED_INT_5_9_9_9_REV: return 4; case GL_FLOAT: return 12; case GL_HALF_FLOAT: return 6; case GL_HALF_FLOAT_OES: return 6; case GL_SHORT: return 6; case GL_UNSIGNED_SHORT: return 6; case GL_INT: return 12; case GL_UNSIGNED_INT: return 12; default: UNREACHABLE(type); } break; case GL_RGBA: case GL_RGBA_INTEGER: case GL_BGRA_EXT: switch(type) { case GL_BYTE: return 4; case GL_UNSIGNED_BYTE: return 4; case GL_UNSIGNED_SHORT_4_4_4_4: return 2; case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: return 2; case GL_UNSIGNED_SHORT_5_5_5_1: return 2; case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: return 2; case GL_UNSIGNED_INT_2_10_10_10_REV: return 4; case GL_FLOAT: return 16; case GL_HALF_FLOAT: return 8; case GL_HALF_FLOAT_OES: return 8; case GL_SHORT: return 8; case GL_UNSIGNED_SHORT: return 8; case GL_INT: return 16; case GL_UNSIGNED_INT: return 16; default: UNREACHABLE(type); } break; case GL_DEPTH_COMPONENT: switch(type) { case GL_FLOAT: return 4; case GL_UNSIGNED_SHORT: return 2; case GL_UNSIGNED_INT: return 4; default: UNREACHABLE(type); } break; case GL_DEPTH_STENCIL: switch(type) { case GL_UNSIGNED_INT_24_8: return 4; case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: return 8; default: UNREACHABLE(type); } break; default: UNREACHABLE(format); } return 0; } GLsizei ComputePitch(GLsizei width, GLenum format, GLenum type, GLint alignment) { ASSERT(alignment > 0 && sw::isPow2(alignment)); GLsizei rawPitch = ComputePixelSize(format, type) * width; return (rawPitch + alignment - 1) & ~(alignment - 1); } size_t ComputePackingOffset(GLenum format, GLenum type, GLsizei width, GLsizei height, const gl::PixelStorageModes &storageModes) { GLsizei pitchB = ComputePitch(width, format, type, storageModes.alignment); return (storageModes.skipImages * height + storageModes.skipRows) * pitchB + storageModes.skipPixels * ComputePixelSize(format, type); } inline GLsizei ComputeCompressedPitch(GLsizei width, GLenum format) { return ComputeCompressedSize(width, 1, format); } inline int GetNumCompressedBlocks(int w, int h, int blockSizeX, int blockSizeY) { return ((w + blockSizeX - 1) / blockSizeX) * ((h + blockSizeY - 1) / blockSizeY); } GLsizei ComputeCompressedSize(GLsizei width, GLsizei height, GLenum format) { switch(format) { case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: case GL_ETC1_RGB8_OES: case GL_COMPRESSED_R11_EAC: case GL_COMPRESSED_SIGNED_R11_EAC: case GL_COMPRESSED_RGB8_ETC2: case GL_COMPRESSED_SRGB8_ETC2: case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: return 8 * GetNumCompressedBlocks(width, height, 4, 4); case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE: case GL_COMPRESSED_RG11_EAC: case GL_COMPRESSED_SIGNED_RG11_EAC: case GL_COMPRESSED_RGBA8_ETC2_EAC: case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC: case GL_COMPRESSED_RGBA_ASTC_4x4_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR: return 16 * GetNumCompressedBlocks(width, height, 4, 4); case GL_COMPRESSED_RGBA_ASTC_5x4_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR: return 16 * GetNumCompressedBlocks(width, height, 5, 4); case GL_COMPRESSED_RGBA_ASTC_5x5_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR: return 16 * GetNumCompressedBlocks(width, height, 5, 5); case GL_COMPRESSED_RGBA_ASTC_6x5_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR: return 16 * GetNumCompressedBlocks(width, height, 6, 5); case GL_COMPRESSED_RGBA_ASTC_6x6_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR: return 16 * GetNumCompressedBlocks(width, height, 6, 6); case GL_COMPRESSED_RGBA_ASTC_8x5_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR: return 16 * GetNumCompressedBlocks(width, height, 8, 5); case GL_COMPRESSED_RGBA_ASTC_8x6_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR: return 16 * GetNumCompressedBlocks(width, height, 8, 6); case GL_COMPRESSED_RGBA_ASTC_8x8_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR: return 16 * GetNumCompressedBlocks(width, height, 8, 8); case GL_COMPRESSED_RGBA_ASTC_10x5_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR: return 16 * GetNumCompressedBlocks(width, height, 10, 5); case GL_COMPRESSED_RGBA_ASTC_10x6_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR: return 16 * GetNumCompressedBlocks(width, height, 10, 6); case GL_COMPRESSED_RGBA_ASTC_10x8_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR: return 16 * GetNumCompressedBlocks(width, height, 10, 8); case GL_COMPRESSED_RGBA_ASTC_10x10_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR: return 16 * GetNumCompressedBlocks(width, height, 10, 10); case GL_COMPRESSED_RGBA_ASTC_12x10_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR: return 16 * GetNumCompressedBlocks(width, height, 12, 10); case GL_COMPRESSED_RGBA_ASTC_12x12_KHR: case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR: return 16 * GetNumCompressedBlocks(width, height, 12, 12); default: UNREACHABLE(format); return 0; } } } namespace egl { enum TransferType { Bytes, RGB8toRGBX8, RGB16toRGBX16, RGB32toRGBX32, RGB32FtoRGBX32F, RGB16FtoRGBX16F, RGBA4toRGBA8, RGBA5_A1toRGBA8, R11G11B10FtoRGBX16F, RGB9_E5FtoRGBX16F, D16toD32F, D24X8toD32F, D32toD32F, D32FtoD32F_CLAMPED, D32FX32toD32F, X24S8toS8, X56S8toS8, RGBA1010102toRGBA8, RGB8toRGB565, R32FtoR16F, RG32FtoRG16F, RGB32FtoRGB16F, RGB32FtoRGB16F_UNSIGNED, RGBA32FtoRGBA16F }; template<TransferType transferType> void TransferRow(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes); template<> void TransferRow<Bytes>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { memcpy(dest, source, width * bytes); } template<> void TransferRow<RGB8toRGBX8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { unsigned char *destB = dest; for(int x = 0; x < width; x++) { destB[4 * x + 0] = source[x * 3 + 0]; destB[4 * x + 1] = source[x * 3 + 1]; destB[4 * x + 2] = source[x * 3 + 2]; destB[4 * x + 3] = 0xFF; } } template<> void TransferRow<RGB16toRGBX16>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned short *sourceS = reinterpret_cast<const unsigned short*>(source); unsigned short *destS = reinterpret_cast<unsigned short*>(dest); for(int x = 0; x < width; x++) { destS[4 * x + 0] = sourceS[x * 3 + 0]; destS[4 * x + 1] = sourceS[x * 3 + 1]; destS[4 * x + 2] = sourceS[x * 3 + 2]; destS[4 * x + 3] = 0xFFFF; } } template<> void TransferRow<RGB32toRGBX32>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned int *sourceI = reinterpret_cast<const unsigned int*>(source); unsigned int *destI = reinterpret_cast<unsigned int*>(dest); for(int x = 0; x < width; x++) { destI[4 * x + 0] = sourceI[x * 3 + 0]; destI[4 * x + 1] = sourceI[x * 3 + 1]; destI[4 * x + 2] = sourceI[x * 3 + 2]; destI[4 * x + 3] = 0xFFFFFFFF; } } template<> void TransferRow<RGB32FtoRGBX32F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *sourceF = reinterpret_cast<const float*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[4 * x + 0] = sourceF[x * 3 + 0]; destF[4 * x + 1] = sourceF[x * 3 + 1]; destF[4 * x + 2] = sourceF[x * 3 + 2]; destF[4 * x + 3] = 1.0f; } } template<> void TransferRow<RGB16FtoRGBX16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned short *sourceH = reinterpret_cast<const unsigned short*>(source); unsigned short *destH = reinterpret_cast<unsigned short*>(dest); for(int x = 0; x < width; x++) { destH[4 * x + 0] = sourceH[x * 3 + 0]; destH[4 * x + 1] = sourceH[x * 3 + 1]; destH[4 * x + 2] = sourceH[x * 3 + 2]; destH[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16-bit floating-point representation of 1.0 } } template<> void TransferRow<RGBA4toRGBA8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned short *source4444 = reinterpret_cast<const unsigned short*>(source); unsigned char *dest4444 = dest; for(int x = 0; x < width; x++) { unsigned short rgba = source4444[x]; dest4444[4 * x + 0] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12); dest4444[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8); dest4444[4 * x + 2] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4); dest4444[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0); } } template<> void TransferRow<RGBA5_A1toRGBA8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned short *source5551 = reinterpret_cast<const unsigned short*>(source); unsigned char *dest8888 = dest; for(int x = 0; x < width; x++) { unsigned short rgba = source5551[x]; dest8888[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13); dest8888[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8); dest8888[4 * x + 2] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3); dest8888[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0; } } template<> void TransferRow<RGBA1010102toRGBA8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned int *source1010102 = reinterpret_cast<const unsigned int*>(source); unsigned char *dest8888 = dest; for(int x = 0; x < width; x++) { unsigned int rgba = source1010102[x]; dest8888[4 * x + 0] = sw::unorm<8>((rgba & 0x000003FF) * (1.0f / 0x000003FF)); dest8888[4 * x + 1] = sw::unorm<8>((rgba & 0x000FFC00) * (1.0f / 0x000FFC00)); dest8888[4 * x + 2] = sw::unorm<8>((rgba & 0x3FF00000) * (1.0f / 0x3FF00000)); dest8888[4 * x + 3] = sw::unorm<8>((rgba & 0xC0000000) * (1.0f / 0xC0000000)); } } template<> void TransferRow<RGB8toRGB565>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { unsigned short *dest565 = reinterpret_cast<unsigned short*>(dest); for(int x = 0; x < width; x++) { float r = source[3 * x + 0] * (1.0f / 0xFF); float g = source[3 * x + 1] * (1.0f / 0xFF); float b = source[3 * x + 2] * (1.0f / 0xFF); dest565[x] = (sw::unorm<5>(r) << 11) | (sw::unorm<6>(g) << 5) | (sw::unorm<5>(b) << 0); } } template<> void TransferRow<R11G11B10FtoRGBX16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const sw::R11G11B10F *sourceRGB = reinterpret_cast<const sw::R11G11B10F*>(source); sw::half *destF = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++, sourceRGB++, destF += 4) { sourceRGB->toRGB16F(destF); destF[3] = 1.0f; } } template<> void TransferRow<RGB9_E5FtoRGBX16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const sw::RGB9E5 *sourceRGB = reinterpret_cast<const sw::RGB9E5*>(source); sw::half *destF = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++, sourceRGB++, destF += 4) { sourceRGB->toRGB16F(destF); destF[3] = 1.0f; } } template<> void TransferRow<R32FtoR16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *source32F = reinterpret_cast<const float*>(source); sw::half *dest16F = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++) { dest16F[x] = source32F[x]; } } template<> void TransferRow<RG32FtoRG16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *source32F = reinterpret_cast<const float*>(source); sw::half *dest16F = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++) { dest16F[2 * x + 0] = source32F[2 * x + 0]; dest16F[2 * x + 1] = source32F[2 * x + 1]; } } template<> void TransferRow<RGB32FtoRGB16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *source32F = reinterpret_cast<const float*>(source); sw::half *dest16F = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++) { dest16F[4 * x + 0] = source32F[3 * x + 0]; dest16F[4 * x + 1] = source32F[3 * x + 1]; dest16F[4 * x + 2] = source32F[3 * x + 2]; dest16F[4 * x + 3] = 1.0f; } } template<> void TransferRow<RGB32FtoRGB16F_UNSIGNED>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *source32F = reinterpret_cast<const float*>(source); sw::half *dest16F = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++) { dest16F[4 * x + 0] = std::max(source32F[3 * x + 0], 0.0f); dest16F[4 * x + 1] = std::max(source32F[3 * x + 1], 0.0f); dest16F[4 * x + 2] = std::max(source32F[3 * x + 2], 0.0f); dest16F[4 * x + 3] = 1.0f; } } template<> void TransferRow<RGBA32FtoRGBA16F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *source32F = reinterpret_cast<const float*>(source); sw::half *dest16F = reinterpret_cast<sw::half*>(dest); for(int x = 0; x < width; x++) { dest16F[4 * x + 0] = source32F[4 * x + 0]; dest16F[4 * x + 1] = source32F[4 * x + 1]; dest16F[4 * x + 2] = source32F[4 * x + 2]; dest16F[4 * x + 3] = source32F[4 * x + 3]; } } template<> void TransferRow<D16toD32F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned short *sourceD16 = reinterpret_cast<const unsigned short*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[x] = (float)sourceD16[x] / 0xFFFF; } } template<> void TransferRow<D24X8toD32F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned int *sourceD24 = reinterpret_cast<const unsigned int*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[x] = (float)(sourceD24[x] & 0xFFFFFF00) / 0xFFFFFF00; } } template<> void TransferRow<D32toD32F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned int *sourceD32 = reinterpret_cast<const unsigned int*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[x] = (float)sourceD32[x] / 0xFFFFFFFF; } } template<> void TransferRow<D32FtoD32F_CLAMPED>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const float *sourceF = reinterpret_cast<const float*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[x] = sw::clamp(sourceF[x], 0.0f, 1.0f); } } template<> void TransferRow<D32FX32toD32F>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { struct D32FS8 { float depth32f; unsigned int stencil24_8; }; const D32FS8 *sourceD32FS8 = reinterpret_cast<const D32FS8*>(source); float *destF = reinterpret_cast<float*>(dest); for(int x = 0; x < width; x++) { destF[x] = sw::clamp(sourceD32FS8[x].depth32f, 0.0f, 1.0f); } } template<> void TransferRow<X24S8toS8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { const unsigned int *sourceI = reinterpret_cast<const unsigned int*>(source); unsigned char *destI = dest; for(int x = 0; x < width; x++) { destI[x] = static_cast<unsigned char>(sourceI[x] & 0x000000FF); // FIXME: Quad layout } } template<> void TransferRow<X56S8toS8>(unsigned char *dest, const unsigned char *source, GLsizei width, GLsizei bytes) { struct D32FS8 { float depth32f; unsigned int stencil24_8; }; const D32FS8 *sourceD32FS8 = reinterpret_cast<const D32FS8*>(source); unsigned char *destI = dest; for(int x = 0; x < width; x++) { destI[x] = static_cast<unsigned char>(sourceD32FS8[x].stencil24_8 & 0x000000FF); // FIXME: Quad layout } } struct Rectangle { GLsizei bytes; GLsizei width; GLsizei height; GLsizei depth; int inputPitch; int inputHeight; int destPitch; GLsizei destSlice; }; template<TransferType transferType> void Transfer(void *buffer, const void *input, const Rectangle &rect) { for(int z = 0; z < rect.depth; z++) { const unsigned char *inputStart = static_cast<const unsigned char*>(input) + (z * rect.inputPitch * rect.inputHeight); unsigned char *destStart = static_cast<unsigned char*>(buffer) + (z * rect.destSlice); for(int y = 0; y < rect.height; y++) { const unsigned char *source = inputStart + y * rect.inputPitch; unsigned char *dest = destStart + y * rect.destPitch; TransferRow<transferType>(dest, source, rect.width, rect.bytes); } } } class ImageImplementation : public Image { public: ImageImplementation(Texture *parentTexture, GLsizei width, GLsizei height, GLint internalformat) : Image(parentTexture, width, height, internalformat) {} ImageImplementation(Texture *parentTexture, GLsizei width, GLsizei height, GLsizei depth, int border, GLint internalformat) : Image(parentTexture, width, height, depth, border, internalformat) {} ImageImplementation(GLsizei width, GLsizei height, GLint internalformat, int pitchP) : Image(width, height, internalformat, pitchP) {} ImageImplementation(GLsizei width, GLsizei height, GLint internalformat, int multiSampleDepth, bool lockable) : Image(width, height, internalformat, multiSampleDepth, lockable) {} ~ImageImplementation() override { sync(); // Wait for any threads that use this image to finish. } void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override { return Image::lockInternal(x, y, z, lock, client); } void unlockInternal() override { return Image::unlockInternal(); } void release() override { return Image::release(); } }; Image *Image::create(Texture *parentTexture, GLsizei width, GLsizei height, GLint internalformat) { return new ImageImplementation(parentTexture, width, height, internalformat); } Image *Image::create(Texture *parentTexture, GLsizei width, GLsizei height, GLsizei depth, int border, GLint internalformat) { return new ImageImplementation(parentTexture, width, height, depth, border, internalformat); } Image *Image::create(GLsizei width, GLsizei height, GLint internalformat, int pitchP) { return new ImageImplementation(width, height, internalformat, pitchP); } Image *Image::create(GLsizei width, GLsizei height, GLint internalformat, int multiSampleDepth, bool lockable) { return new ImageImplementation(width, height, internalformat, multiSampleDepth, lockable); } int ClientBuffer::getWidth() const { return width; } int ClientBuffer::getHeight() const { return height; } sw::Format ClientBuffer::getFormat() const { return format; } size_t ClientBuffer::getPlane() const { return plane; } int ClientBuffer::pitchP() const { #if defined(__APPLE__) if(buffer) { IOSurfaceRef ioSurface = reinterpret_cast<IOSurfaceRef>(buffer); int pitchB = static_cast<int>(IOSurfaceGetBytesPerRowOfPlane(ioSurface, plane)); int bytesPerPixel = sw::Surface::bytes(format); ASSERT((pitchB % bytesPerPixel) == 0); return pitchB / bytesPerPixel; } return 0; #else return sw::Surface::pitchP(width, 0, format, false); #endif } void ClientBuffer::retain() { #if defined(__APPLE__) if(buffer) { CFRetain(reinterpret_cast<IOSurfaceRef>(buffer)); } #endif } void ClientBuffer::release() { #if defined(__APPLE__) if(buffer) { CFRelease(reinterpret_cast<IOSurfaceRef>(buffer)); buffer = nullptr; } #endif } void* ClientBuffer::lock(int x, int y, int z) { #if defined(__APPLE__) if(buffer) { IOSurfaceRef ioSurface = reinterpret_cast<IOSurfaceRef>(buffer); IOSurfaceLock(ioSurface, 0, nullptr); void* pixels = IOSurfaceGetBaseAddressOfPlane(ioSurface, plane); int bytes = sw::Surface::bytes(format); int pitchB = static_cast<int>(IOSurfaceGetBytesPerRowOfPlane(ioSurface, plane)); int sliceB = static_cast<int>(IOSurfaceGetHeightOfPlane(ioSurface, plane)) * pitchB; return (unsigned char*)pixels + x * bytes + y * pitchB + z * sliceB; } return nullptr; #else int bytes = sw::Surface::bytes(format); int pitchB = sw::Surface::pitchB(width, 0, format, false); int sliceB = height * pitchB; return (unsigned char*)buffer + x * bytes + y * pitchB + z * sliceB; #endif } void ClientBuffer::unlock() { #if defined(__APPLE__) if(buffer) { IOSurfaceRef ioSurface = reinterpret_cast<IOSurfaceRef>(buffer); IOSurfaceUnlock(ioSurface, 0, nullptr); } #endif } class ClientBufferImage : public egl::Image { public: explicit ClientBufferImage(const ClientBuffer& clientBuffer) : egl::Image(clientBuffer.getWidth(), clientBuffer.getHeight(), getClientBufferInternalFormat(clientBuffer.getFormat()), clientBuffer.pitchP()), clientBuffer(clientBuffer) { shared = false; this->clientBuffer.retain(); } private: ClientBuffer clientBuffer; ~ClientBufferImage() override { sync(); // Wait for any threads that use this image to finish. clientBuffer.release(); } static GLint getClientBufferInternalFormat(sw::Format format) { switch(format) { case sw::FORMAT_R8: return GL_R8; case sw::FORMAT_G8R8: return GL_RG8; case sw::FORMAT_A8R8G8B8: return GL_BGRA8_EXT; case sw::FORMAT_R16UI: return GL_R16UI; case sw::FORMAT_A16B16G16R16F: return GL_RGBA16F; default: return GL_NONE; } } void *lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) override { LOGLOCK("image=%p op=%s.swsurface lock=%d", this, __FUNCTION__, lock); // Always do this for reference counting. void *data = sw::Surface::lockInternal(x, y, z, lock, client); if(x != 0 || y != 0 || z != 0) { LOGLOCK("badness: %s called with unsupported parms: image=%p x=%d y=%d z=%d", __FUNCTION__, this, x, y, z); } LOGLOCK("image=%p op=%s.ani lock=%d", this, __FUNCTION__, lock); // Lock the ClientBuffer and use its address. data = clientBuffer.lock(x, y, z); if(lock == sw::LOCK_UNLOCKED) { // We're never going to get a corresponding unlock, so unlock // immediately. This keeps the reference counts sane. clientBuffer.unlock(); } return data; } void unlockInternal() override { LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__); clientBuffer.unlock(); LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__); sw::Surface::unlockInternal(); } void *lock(int x, int y, int z, sw::Lock lock) override { LOGLOCK("image=%p op=%s lock=%d", this, __FUNCTION__, lock); (void)sw::Surface::lockExternal(x, y, z, lock, sw::PUBLIC); return clientBuffer.lock(x, y, z); } void unlock() override { LOGLOCK("image=%p op=%s.ani", this, __FUNCTION__); clientBuffer.unlock(); LOGLOCK("image=%p op=%s.swsurface", this, __FUNCTION__); sw::Surface::unlockExternal(); } void release() override { Image::release(); } }; Image *Image::create(const egl::ClientBuffer& clientBuffer) { return new ClientBufferImage(clientBuffer); } Image::~Image() { // sync() must be called in the destructor of the most derived class to ensure their vtable isn't destroyed // before all threads are done using this image. Image itself is abstract so it can't be the most derived. ASSERT(isUnlocked()); if(parentTexture) { parentTexture->release(); } ASSERT(!shared); } void *Image::lockInternal(int x, int y, int z, sw::Lock lock, sw::Accessor client) { return Surface::lockInternal(x, y, z, lock, client); } void Image::unlockInternal() { Surface::unlockInternal(); } void Image::release() { int refs = dereference(); if(refs > 0) { if(parentTexture) { parentTexture->sweep(); } } else { delete this; } } void Image::unbind(const egl::Texture *parent) { if(parentTexture == parent) { parentTexture = nullptr; } release(); } bool Image::isChildOf(const egl::Texture *parent) const { return parentTexture == parent; } void Image::loadImageData(GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, GLenum format, GLenum type, const void *input, void *buffer) { Rectangle rect; rect.bytes = gl::ComputePixelSize(format, type); rect.width = width; rect.height = height; rect.depth = depth; rect.inputPitch = inputPitch; rect.inputHeight = inputHeight; rect.destPitch = getPitch(); rect.destSlice = getSlice(); // [OpenGL ES 3.0.5] table 3.2 and 3.3. switch(format) { case GL_RGBA: switch(type) { case GL_UNSIGNED_BYTE: switch(internalformat) { case GL_RGBA8: case GL_SRGB8_ALPHA8: return Transfer<Bytes>(buffer, input, rect); case GL_RGB5_A1: case GL_RGBA4: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_A8B8G8R8); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGBA8_SNORM && getExternalFormat() == sw::FORMAT_A8B8G8R8_SNORM); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_SHORT_4_4_4_4: ASSERT_OR_RETURN(internalformat == GL_RGBA4 && getExternalFormat() == sw::FORMAT_A8B8G8R8); return Transfer<RGBA4toRGBA8>(buffer, input, rect); case GL_UNSIGNED_SHORT_5_5_5_1: ASSERT_OR_RETURN(internalformat == GL_RGB5_A1 && getExternalFormat() == sw::FORMAT_A8B8G8R8); return Transfer<RGBA5_A1toRGBA8>(buffer, input, rect); case GL_UNSIGNED_INT_2_10_10_10_REV: switch(internalformat) { case GL_RGB10_A2: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_A2B10G10R10); return Transfer<Bytes>(buffer, input, rect); case GL_RGB5_A1: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_A8B8G8R8); return Transfer<RGBA1010102toRGBA8>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: ASSERT_OR_RETURN(internalformat == GL_RGBA16F && getExternalFormat() == sw::FORMAT_A16B16G16R16F); return Transfer<Bytes>(buffer, input, rect); case GL_FLOAT: switch(internalformat) { case GL_RGBA32F: return Transfer<Bytes>(buffer, input, rect); case GL_RGBA16F: return Transfer<RGBA32FtoRGBA16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } default: UNREACHABLE(type); } case GL_RGBA_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGBA8UI && getExternalFormat() == sw::FORMAT_A8B8G8R8UI); return Transfer<Bytes>(buffer, input, rect); case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGBA8I && getExternalFormat() == sw::FORMAT_A8B8G8R8I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_SHORT: ASSERT_OR_RETURN(internalformat == GL_RGBA16UI && getExternalFormat() == sw::FORMAT_A16B16G16R16UI); return Transfer<Bytes>(buffer, input, rect); case GL_SHORT: ASSERT_OR_RETURN(internalformat == GL_RGBA16I && getExternalFormat() == sw::FORMAT_A16B16G16R16I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_INT: ASSERT_OR_RETURN(internalformat == GL_RGBA32UI && getExternalFormat() == sw::FORMAT_A32B32G32R32UI); return Transfer<Bytes>(buffer, input, rect); case GL_INT: ASSERT_OR_RETURN(internalformat == GL_RGBA32I && getExternalFormat() == sw::FORMAT_A32B32G32R32I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_INT_2_10_10_10_REV: ASSERT_OR_RETURN(internalformat == GL_RGB10_A2UI && getExternalFormat() == sw::FORMAT_A2B10G10R10UI); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(type); } case GL_BGRA_EXT: switch(type) { case GL_UNSIGNED_BYTE: ASSERT_OR_RETURN(internalformat == GL_BGRA8_EXT && getExternalFormat() == sw::FORMAT_A8R8G8B8); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: // Only valid for glReadPixels calls. case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: // Only valid for glReadPixels calls. default: UNREACHABLE(type); } case GL_RGB: switch(type) { case GL_UNSIGNED_BYTE: switch(internalformat) { case GL_RGB8: return Transfer<RGB8toRGBX8>(buffer, input, rect); case GL_SRGB8: return Transfer<RGB8toRGBX8>(buffer, input, rect); case GL_RGB565: return Transfer<RGB8toRGB565>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGB8_SNORM && getExternalFormat() == sw::FORMAT_X8B8G8R8_SNORM); return Transfer<RGB8toRGBX8>(buffer, input, rect); case GL_UNSIGNED_SHORT_5_6_5: ASSERT_OR_RETURN(internalformat == GL_RGB565 && getExternalFormat() == sw::FORMAT_R5G6B5); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_INT_10F_11F_11F_REV: ASSERT_OR_RETURN(internalformat == GL_R11F_G11F_B10F && getExternalFormat() == sw::FORMAT_X16B16G16R16F_UNSIGNED); return Transfer<R11G11B10FtoRGBX16F>(buffer, input, rect); case GL_UNSIGNED_INT_5_9_9_9_REV: ASSERT_OR_RETURN(internalformat == GL_RGB9_E5 && getExternalFormat() == sw::FORMAT_X16B16G16R16F_UNSIGNED); return Transfer<RGB9_E5FtoRGBX16F>(buffer, input, rect); case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: switch(internalformat) { case GL_RGB16F: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_X16B16G16R16F); return Transfer<RGB16FtoRGBX16F>(buffer, input, rect); case GL_R11F_G11F_B10F: case GL_RGB9_E5: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_X16B16G16R16F_UNSIGNED); return Transfer<RGB16FtoRGBX16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_FLOAT: switch(internalformat) { case GL_RGB32F: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_X32B32G32R32F); return Transfer<RGB32FtoRGBX32F>(buffer, input, rect); case GL_RGB16F: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_X16B16G16R16F); return Transfer<RGB32FtoRGB16F>(buffer, input, rect); case GL_R11F_G11F_B10F: case GL_RGB9_E5: ASSERT_OR_RETURN(getExternalFormat() == sw::FORMAT_X16B16G16R16F_UNSIGNED); return Transfer<RGB32FtoRGB16F_UNSIGNED>(buffer, input, rect); default: UNREACHABLE(internalformat); } default: UNREACHABLE(type); } case GL_RGB_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGB8UI && getExternalFormat() == sw::FORMAT_X8B8G8R8UI); return Transfer<RGB8toRGBX8>(buffer, input, rect); case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_RGB8I && getExternalFormat() == sw::FORMAT_X8B8G8R8I); return Transfer<RGB8toRGBX8>(buffer, input, rect); case GL_UNSIGNED_SHORT: ASSERT_OR_RETURN(internalformat == GL_RGB16UI && getExternalFormat() == sw::FORMAT_X16B16G16R16UI); return Transfer<RGB16toRGBX16>(buffer, input, rect); case GL_SHORT: ASSERT_OR_RETURN(internalformat == GL_RGB16I && getExternalFormat() == sw::FORMAT_X16B16G16R16I); return Transfer<RGB16toRGBX16>(buffer, input, rect); case GL_UNSIGNED_INT: ASSERT_OR_RETURN(internalformat == GL_RGB32UI && getExternalFormat() == sw::FORMAT_X32B32G32R32UI); return Transfer<RGB32toRGBX32>(buffer, input, rect); case GL_INT: ASSERT_OR_RETURN(internalformat == GL_RGB32I && getExternalFormat() == sw::FORMAT_X32B32G32R32I); return Transfer<RGB32toRGBX32>(buffer, input, rect); default: UNREACHABLE(type); } case GL_RG: switch(type) { case GL_UNSIGNED_BYTE: case GL_BYTE: case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: return Transfer<Bytes>(buffer, input, rect); case GL_FLOAT: switch(internalformat) { case GL_RG32F: return Transfer<Bytes>(buffer, input, rect); case GL_RG16F: return Transfer<RG32FtoRG16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } default: UNREACHABLE(type); } case GL_RG_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: ASSERT_OR_RETURN(internalformat == GL_RG8UI && getExternalFormat() == sw::FORMAT_G8R8UI); return Transfer<Bytes>(buffer, input, rect); case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_RG8I && getExternalFormat() == sw::FORMAT_G8R8I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_SHORT: ASSERT_OR_RETURN(internalformat == GL_RG16UI && getExternalFormat() == sw::FORMAT_G16R16UI); return Transfer<Bytes>(buffer, input, rect); case GL_SHORT: ASSERT_OR_RETURN(internalformat == GL_RG16I && getExternalFormat() == sw::FORMAT_G16R16I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_INT: ASSERT_OR_RETURN(internalformat == GL_RG32UI && getExternalFormat() == sw::FORMAT_G32R32UI); return Transfer<Bytes>(buffer, input, rect); case GL_INT: ASSERT_OR_RETURN(internalformat == GL_RG32I && getExternalFormat() == sw::FORMAT_G32R32I); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(type); } case GL_RED: switch(type) { case GL_UNSIGNED_BYTE: case GL_BYTE: case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: return Transfer<Bytes>(buffer, input, rect); case GL_FLOAT: switch(internalformat) { case GL_R32F: return Transfer<Bytes>(buffer, input, rect); case GL_R16F: return Transfer<R32FtoR16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } default: UNREACHABLE(type); } case GL_RED_INTEGER: switch(type) { case GL_UNSIGNED_BYTE: ASSERT_OR_RETURN(internalformat == GL_R8UI && getExternalFormat() == sw::FORMAT_R8UI); return Transfer<Bytes>(buffer, input, rect); case GL_BYTE: ASSERT_OR_RETURN(internalformat == GL_R8I && getExternalFormat() == sw::FORMAT_R8I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_SHORT: ASSERT_OR_RETURN(internalformat == GL_R16UI && getExternalFormat() == sw::FORMAT_R16UI); return Transfer<Bytes>(buffer, input, rect); case GL_SHORT: ASSERT_OR_RETURN(internalformat == GL_R16I && getExternalFormat() == sw::FORMAT_R16I); return Transfer<Bytes>(buffer, input, rect); case GL_UNSIGNED_INT: ASSERT_OR_RETURN(internalformat == GL_R32UI && getExternalFormat() == sw::FORMAT_R32UI); return Transfer<Bytes>(buffer, input, rect); case GL_INT: ASSERT_OR_RETURN(internalformat == GL_R32I && getExternalFormat() == sw::FORMAT_R32I); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(type); } case GL_DEPTH_COMPONENT: switch(type) { case GL_UNSIGNED_SHORT: return Transfer<D16toD32F>(buffer, input, rect); case GL_UNSIGNED_INT: return Transfer<D32toD32F>(buffer, input, rect); case GL_FLOAT: return Transfer<D32FtoD32F_CLAMPED>(buffer, input, rect); case GL_DEPTH_COMPONENT24: // Only valid for glRenderbufferStorage calls. case GL_DEPTH_COMPONENT32_OES: // Only valid for glRenderbufferStorage calls. default: UNREACHABLE(type); } case GL_DEPTH_STENCIL: switch(type) { case GL_UNSIGNED_INT_24_8: return Transfer<D24X8toD32F>(buffer, input, rect); case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: return Transfer<D32FX32toD32F>(buffer, input, rect); default: UNREACHABLE(type); } case GL_LUMINANCE_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return Transfer<Bytes>(buffer, input, rect); case GL_FLOAT: switch(internalformat) { case GL_LUMINANCE_ALPHA32F_EXT: return Transfer<Bytes>(buffer, input, rect); case GL_LUMINANCE_ALPHA16F_EXT: return Transfer<RG32FtoRG16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: ASSERT_OR_RETURN(internalformat == GL_LUMINANCE_ALPHA16F_EXT); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(type); } case GL_LUMINANCE: case GL_ALPHA: switch(type) { case GL_UNSIGNED_BYTE: return Transfer<Bytes>(buffer, input, rect); case GL_FLOAT: switch(internalformat) { case GL_LUMINANCE32F_EXT: return Transfer<Bytes>(buffer, input, rect); case GL_LUMINANCE16F_EXT: return Transfer<R32FtoR16F>(buffer, input, rect); case GL_ALPHA32F_EXT: return Transfer<Bytes>(buffer, input, rect); case GL_ALPHA16F_EXT: return Transfer<R32FtoR16F>(buffer, input, rect); default: UNREACHABLE(internalformat); } case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: ASSERT_OR_RETURN(internalformat == GL_LUMINANCE16F_EXT || internalformat == GL_ALPHA16F_EXT); return Transfer<Bytes>(buffer, input, rect); default: UNREACHABLE(type); } default: UNREACHABLE(format); } } void Image::loadStencilData(GLsizei width, GLsizei height, GLsizei depth, int inputPitch, int inputHeight, GLenum format, GLenum type, const void *input, void *buffer) { Rectangle rect; rect.bytes = gl::ComputePixelSize(format, type); rect.width = width; rect.height = height; rect.depth = depth; rect.inputPitch = inputPitch; rect.inputHeight = inputHeight; rect.destPitch = getStencilPitchB(); rect.destSlice = getStencilSliceB(); switch(type) { case GL_UNSIGNED_INT_24_8: return Transfer<X24S8toS8>(buffer, input, rect); case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: return Transfer<X56S8toS8>(buffer, input, rect); default: UNREACHABLE(format); } } void Image::loadImageData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const gl::PixelStorageModes &unpackParameters, const void *pixels) { GLsizei inputWidth = (unpackParameters.rowLength == 0) ? width : unpackParameters.rowLength; GLsizei inputPitch = gl::ComputePitch(inputWidth, format, type, unpackParameters.alignment); GLsizei inputHeight = (unpackParameters.imageHeight == 0) ? height : unpackParameters.imageHeight; char *input = ((char*)pixels) + gl::ComputePackingOffset(format, type, inputWidth, inputHeight, unpackParameters); void *buffer = lock(xoffset, yoffset, zoffset, sw::LOCK_WRITEONLY); if(buffer) { loadImageData(width, height, depth, inputPitch, inputHeight, format, type, input, buffer); } unlock(); if(hasStencil()) { unsigned char *stencil = reinterpret_cast<unsigned char*>(lockStencil(xoffset, yoffset, zoffset, sw::PUBLIC)); if(stencil) { loadStencilData(width, height, depth, inputPitch, inputHeight, format, type, input, stencil); } unlockStencil(); } } void Image::loadCompressedData(GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLsizei imageSize, const void *pixels) { int inputPitch = gl::ComputeCompressedPitch(width, internalformat); int inputSlice = imageSize / depth; int rows = inputSlice / inputPitch; void *buffer = lock(xoffset, yoffset, zoffset, sw::LOCK_WRITEONLY); if(buffer) { for(int z = 0; z < depth; z++) { for(int y = 0; y < rows; y++) { GLbyte *dest = (GLbyte*)buffer + y * getPitch() + z * getSlice(); GLbyte *source = (GLbyte*)pixels + y * inputPitch + z * inputSlice; memcpy(dest, source, inputPitch); } } } unlock(); } }