diff options
Diffstat (limited to 'src/mesa/main/texstore.c')
| -rw-r--r-- | src/mesa/main/texstore.c | 132 |
1 files changed, 98 insertions, 34 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 97fdfd39b2a..e821d9f367f 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -2,7 +2,7 @@ * Mesa 3-D graphics library * Version: 7.1 * - * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -678,56 +678,116 @@ static void swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src, GLuint srcComponents, const GLubyte *map, GLuint count) { +#define SWZ_CPY(dst, src, count, dstComps, srcComps) \ + do { \ + GLuint i; \ + for (i = 0; i < count; i++) { \ + GLuint j; \ + if (srcComps == 4) { \ + COPY_4UBV(tmp, src); \ + } \ + else { \ + for (j = 0; j < srcComps; j++) { \ + tmp[j] = src[j]; \ + } \ + } \ + src += srcComps; \ + for (j = 0; j < dstComps; j++) { \ + dst[j] = tmp[map[j]]; \ + } \ + dst += dstComps; \ + } \ + } while (0) + GLubyte tmp[6]; - GLuint i; tmp[ZERO] = 0x0; tmp[ONE] = 0xff; + ASSERT(srcComponents <= 4); + ASSERT(dstComponents <= 4); + switch (dstComponents) { case 4: - for (i = 0; i < count; i++) { - COPY_4UBV(tmp, src); - src += srcComponents; - dst[0] = tmp[map[0]]; - dst[1] = tmp[map[1]]; - dst[2] = tmp[map[2]]; - dst[3] = tmp[map[3]]; - dst += 4; + switch (srcComponents) { + case 4: + SWZ_CPY(dst, src, count, 4, 4); + break; + case 3: + SWZ_CPY(dst, src, count, 4, 3); + break; + case 2: + SWZ_CPY(dst, src, count, 4, 2); + break; + case 1: + SWZ_CPY(dst, src, count, 4, 1); + break; + default: + ; } break; case 3: - for (i = 0; i < count; i++) { - COPY_4UBV(tmp, src); - src += srcComponents; - dst[0] = tmp[map[0]]; - dst[1] = tmp[map[1]]; - dst[2] = tmp[map[2]]; - dst += 3; + switch (srcComponents) { + case 4: + SWZ_CPY(dst, src, count, 3, 4); + break; + case 3: + SWZ_CPY(dst, src, count, 3, 3); + break; + case 2: + SWZ_CPY(dst, src, count, 3, 2); + break; + case 1: + SWZ_CPY(dst, src, count, 3, 1); + break; + default: + ; } break; case 2: - for (i = 0; i < count; i++) { - COPY_4UBV(tmp, src); - src += srcComponents; - dst[0] = tmp[map[0]]; - dst[1] = tmp[map[1]]; - dst += 2; + switch (srcComponents) { + case 4: + SWZ_CPY(dst, src, count, 2, 4); + break; + case 3: + SWZ_CPY(dst, src, count, 2, 3); + break; + case 2: + SWZ_CPY(dst, src, count, 2, 2); + break; + case 1: + SWZ_CPY(dst, src, count, 2, 1); + break; + default: + ; } break; case 1: - /* XXX investigate valgrind invalid read when running demos/texenv.c */ - for (i = 0; i < count; i++) { - COPY_4UBV(tmp, src); - src += srcComponents; - dst[0] = tmp[map[0]]; - dst += 1; + switch (srcComponents) { + case 4: + SWZ_CPY(dst, src, count, 1, 4); + break; + case 3: + SWZ_CPY(dst, src, count, 1, 3); + break; + case 2: + SWZ_CPY(dst, src, count, 1, 2); + break; + case 1: + SWZ_CPY(dst, src, count, 1, 1); + break; + default: + ; } break; + default: + ; } +#undef SWZ_CPY } + static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE }; static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE }; @@ -1100,7 +1160,8 @@ _mesa_texstore_z32(TEXSTORE_PARAMS) ASSERT(dstFormat == &_mesa_texformat_z32); ASSERT(dstFormat->TexelBytes == sizeof(GLuint)); - if (!ctx->_ImageTransferState && + if (ctx->Pixel.DepthScale == 1.0f && + ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && @@ -1147,7 +1208,8 @@ _mesa_texstore_z16(TEXSTORE_PARAMS) ASSERT(dstFormat == &_mesa_texformat_z16); ASSERT(dstFormat->TexelBytes == sizeof(GLushort)); - if (!ctx->_ImageTransferState && + if (ctx->Pixel.DepthScale == 1.0f && + ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && @@ -2345,7 +2407,8 @@ _mesa_texstore_z24_s8(TEXSTORE_PARAMS) ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT); ASSERT(srcType == GL_UNSIGNED_INT_24_8_EXT); - if (!ctx->_ImageTransferState && + if (ctx->Pixel.DepthScale == 1.0f && + ctx->Pixel.DepthBias == 0.0f && !srcPacking->SwapBytes) { /* simple path */ memcpy_texture(ctx, dims, @@ -2416,7 +2479,7 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS) ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT); ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT); - /* Incase we only upload depth we need to preserve the stencil */ + /* In case we only upload depth we need to preserve the stencil */ if (srcFormat == GL_DEPTH_COMPONENT) { for (img = 0; img < srcDepth; img++) { GLuint *dstRow = (GLuint *) dstAddr @@ -2444,7 +2507,8 @@ _mesa_texstore_s8_z24(TEXSTORE_PARAMS) dstRow += dstRowStride / sizeof(GLuint); } } - } else { + } + else { for (img = 0; img < srcDepth; img++) { GLuint *dstRow = (GLuint *) dstAddr + dstImageOffsets[dstZoffset + img] |