diff options
| author | Roland Scheidegger <[email protected]> | 2009-03-27 21:59:33 +0100 |
|---|---|---|
| committer | Roland Scheidegger <[email protected]> | 2009-03-28 02:03:45 +0100 |
| commit | bb386a1ecae6d7f805af44df463b0e4d661eef85 (patch) | |
| tree | d5e67b93a63b949b913da9df993d696ef7366ef4 /src/mesa/main/texstore.c | |
| parent | 7d00ba195c4d8f58eec8e2ab553225a7e17ad656 (diff) | |
mesa: add _rev signed rgba texture format
Diffstat (limited to 'src/mesa/main/texstore.c')
| -rw-r--r-- | src/mesa/main/texstore.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 785fb506220..7e7e0ac07a4 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -2564,14 +2564,15 @@ _mesa_texstore_dudv8(TEXSTORE_PARAMS) } /** - * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV. + * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or MESA_FORMAT_SIGNED_RGBA8888_REV */ GLboolean _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS) { const GLboolean littleEndian = _mesa_little_endian(); - ASSERT(dstFormat == &_mesa_texformat_signed_rgba8888); + ASSERT(dstFormat == &_mesa_texformat_signed_rgba8888 || + dstFormat == &_mesa_texformat_signed_rgba8888_rev); ASSERT(dstFormat->TexelBytes == 4); if (!ctx->_ImageTransferState && @@ -2589,6 +2590,20 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS) srcAddr, srcPacking); } else if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + dstFormat == &_mesa_texformat_signed_rgba8888_rev && + baseInternalFormat == GL_RGBA && + ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) || + (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) { + /* simple memcpy path */ + memcpy_texture(ctx, dims, + dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, + dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else if (!ctx->_ImageTransferState && (srcType == GL_BYTE) && can_swizzle(baseInternalFormat) && can_swizzle(srcFormat)) { @@ -2597,7 +2612,8 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS) /* dstmap - how to swizzle from RGBA to dst format: */ - if (littleEndian && dstFormat == &_mesa_texformat_signed_rgba8888) { + if ((littleEndian && dstFormat == &_mesa_texformat_signed_rgba8888) || + (!littleEndian && dstFormat == &_mesa_texformat_signed_rgba8888_rev)) { dstmap[3] = 0; dstmap[2] = 1; dstmap[1] = 2; @@ -2649,6 +2665,15 @@ _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS) srcRow += 4; } } + else { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888_REV( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]), + FLOAT_TO_BYTE_TEX(srcRow[GCOMP]), + FLOAT_TO_BYTE_TEX(srcRow[BCOMP]), + FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) ); + srcRow += 4; + } + } dstRow += dstRowStride; } } |