diff options
| author | Marek Olšák <maraeo@gmail.com> | 2010-12-22 19:29:56 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2011-01-04 21:59:56 +0100 |
| commit | 50630f9016bdf0ea33ae1007c5a523cdcde3e3c9 (patch) | |
| tree | cd9a19d1c36c44f49af5370e59dce2c99c62c5fa /src/mesa/main/texstore.c | |
| parent | 73e8a2738743035e1347571ba630747d2ec33a2d (diff) | |
mesa: preserve 10 bits of precision in the texstore general path for ARGB2101010
Use make_temp_float_image instead of _make_temp_chan_image.
The latter converts the texture to 8 bits/component, losing 2 bits.
Diffstat (limited to 'src/mesa/main/texstore.c')
| -rw-r--r-- | src/mesa/main/texstore.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index acb390b781..de99e6c186 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -2063,13 +2063,14 @@ _mesa_texstore_argb2101010(TEXSTORE_PARAMS) } else { /* general path */ - const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, + const GLfloat *tempImage = make_temp_float_image(ctx, dims, baseInternalFormat, baseFormat, srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, - srcPacking); - const GLchan *src = tempImage; + srcPacking, + ctx->_ImageTransferState); + const GLfloat *src = tempImage; GLint img, row, col; if (!tempImage) return GL_FALSE; @@ -2080,24 +2081,29 @@ _mesa_texstore_argb2101010(TEXSTORE_PARAMS) + dstXoffset * texelBytes; if (baseInternalFormat == GL_RGBA) { for (row = 0; row < srcHeight; row++) { - GLuint *dstUS = (GLuint *) dstRow; + GLuint *dstUI = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_2101010( CHAN_TO_UBYTE(src[ACOMP]), - CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); + GLushort a,r,g,b; + + UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]); + UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); + dstUI[col] = PACK_COLOR_2101010_US(a, r, g, b); src += 4; } dstRow += dstRowStride; } } else if (baseInternalFormat == GL_RGB) { for (row = 0; row < srcHeight; row++) { - GLuint *dstUS = (GLuint *) dstRow; + GLuint *dstUI = (GLuint *) dstRow; for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_2101010( 0xff, - CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); + GLushort r,g,b; + + UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]); + UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]); + dstUI[col] = PACK_COLOR_2101010_US(0xffff, r, g, b); src += 4; } dstRow += dstRowStride; |