X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexcompress_s3tc.c;h=ed7eae4f46d2e84cdd35be4e740c17a29a9af60e;hb=1d5d67f8adac9f94715de9804adb536d9a7ec5ee;hp=12c2e903eb508c7a07d3e653d88ff3e24ac2e012;hpb=7567f05199f1ca114cc57e3a11ac101d3707f819;p=mesa.git diff --git a/src/mesa/main/texcompress_s3tc.c b/src/mesa/main/texcompress_s3tc.c index 12c2e903eb5..ed7eae4f46d 100644 --- a/src/mesa/main/texcompress_s3tc.c +++ b/src/mesa/main/texcompress_s3tc.c @@ -36,13 +36,15 @@ #include "glheader.h" #include "imports.h" #include "colormac.h" -#include "context.h" -#include "convolve.h" #include "dlopen.h" #include "image.h" +#include "macros.h" +#include "mfeatures.h" +#include "mtypes.h" #include "texcompress.h" #include "texcompress_s3tc.h" #include "texstore.h" +#include "swrast/s_context.h" #if FEATURE_texture_s3tc @@ -64,7 +66,7 @@ * linear RGB value in [0, 1]. * Implemented with a 256-entry lookup table. */ -static INLINE GLfloat +static inline GLfloat nonlinear_to_linear(GLubyte cs8) { static GLfloat table[256]; @@ -78,7 +80,7 @@ nonlinear_to_linear(GLubyte cs8) table[i] = cs / 12.92f; } else { - table[i] = (GLfloat) _mesa_pow((cs + 0.055) / 1.055, 2.4); + table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4); } } tableReady = GL_TRUE; @@ -95,7 +97,7 @@ dxtFetchTexelFuncExt fetch_ext_rgba_dxt3 = NULL; dxtFetchTexelFuncExt fetch_ext_rgba_dxt5 = NULL; typedef void (*dxtCompressTexFuncExt)(GLint srccomps, GLint width, - GLint height, const GLchan *srcPixData, + GLint height, const GLubyte *srcPixData, GLenum destformat, GLubyte *dest, GLint dstRowStride); @@ -105,7 +107,7 @@ static void *dxtlibhandle = NULL; void -_mesa_init_texture_s3tc( GLcontext *ctx ) +_mesa_init_texture_s3tc( struct gl_context *ctx ) { /* called during context initialization */ ctx->Mesa_DXTn = GL_FALSE; @@ -149,7 +151,6 @@ _mesa_init_texture_s3tc( GLcontext *ctx ) } if (dxtlibhandle) { ctx->Mesa_DXTn = GL_TRUE; - _mesa_warning(ctx, "software DXTn compression/decompression available"); } #else (void) ctx; @@ -162,25 +163,25 @@ _mesa_init_texture_s3tc( GLcontext *ctx ) GLboolean _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS) { - const GLchan *pixels; - GLint srcRowStride; + const GLubyte *pixels; GLubyte *dst; const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */ - const GLchan *tempImage = NULL; + const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGB_DXT1); + ASSERT(dstFormat == MESA_FORMAT_RGB_DXT1 || + dstFormat == MESA_FORMAT_SRGB_DXT1); ASSERT(dstXoffset % 4 == 0); ASSERT(dstYoffset % 4 == 0); ASSERT(dstZoffset % 4 == 0); (void) dstZoffset; - (void) dstImageOffsets; if (srcFormat != GL_RGB || - srcType != CHAN_TYPE || + srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || + srcPacking->RowLength != srcWidth || srcPacking->SwapBytes) { - /* convert image to RGB/GLchan */ - tempImage = _mesa_make_temp_chan_image(ctx, dims, + /* convert image to RGB/GLubyte */ + tempImage = _mesa_make_temp_ubyte_image(ctx, dims, baseInternalFormat, _mesa_get_format_base_format(dstFormat), srcWidth, srcHeight, srcDepth, @@ -188,20 +189,17 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS) srcPacking); if (!tempImage) return GL_FALSE; /* out of memory */ - _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); pixels = tempImage; - srcRowStride = 3 * srcWidth; srcFormat = GL_RGB; } else { - pixels = (const GLchan *) srcAddr; - srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, - srcType) / sizeof(GLchan); + pixels = _mesa_image_address2d(srcPacking, srcAddr, srcWidth, srcHeight, + srcFormat, srcType, 0, 0); } dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, dstFormat, - texWidth, (GLubyte *) dstAddr); + texWidth, dstSlices[0]); if (ext_tx_compress_dxtn) { (*ext_tx_compress_dxtn)(3, srcWidth, srcHeight, pixels, @@ -225,25 +223,25 @@ _mesa_texstore_rgb_dxt1(TEXSTORE_PARAMS) GLboolean _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS) { - const GLchan *pixels; - GLint srcRowStride; + const GLubyte *pixels; GLubyte *dst; const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */ - const GLchan *tempImage = NULL; + const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT1); + ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT1 || + dstFormat == MESA_FORMAT_SRGBA_DXT1); ASSERT(dstXoffset % 4 == 0); ASSERT(dstYoffset % 4 == 0); ASSERT(dstZoffset % 4 == 0); (void) dstZoffset; - (void) dstImageOffsets; if (srcFormat != GL_RGBA || - srcType != CHAN_TYPE || + srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || + srcPacking->RowLength != srcWidth || srcPacking->SwapBytes) { - /* convert image to RGBA/GLchan */ - tempImage = _mesa_make_temp_chan_image(ctx, dims, + /* convert image to RGBA/GLubyte */ + tempImage = _mesa_make_temp_ubyte_image(ctx, dims, baseInternalFormat, _mesa_get_format_base_format(dstFormat), srcWidth, srcHeight, srcDepth, @@ -251,20 +249,17 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS) srcPacking); if (!tempImage) return GL_FALSE; /* out of memory */ - _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); pixels = tempImage; - srcRowStride = 4 * srcWidth; srcFormat = GL_RGBA; } else { - pixels = (const GLchan *) srcAddr; - srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, - srcType) / sizeof(GLchan); + pixels = _mesa_image_address2d(srcPacking, srcAddr, srcWidth, srcHeight, + srcFormat, srcType, 0, 0); } dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, dstFormat, - texWidth, (GLubyte *) dstAddr); + texWidth, dstSlices[0]); if (ext_tx_compress_dxtn) { (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, @@ -287,25 +282,25 @@ _mesa_texstore_rgba_dxt1(TEXSTORE_PARAMS) GLboolean _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS) { - const GLchan *pixels; - GLint srcRowStride; + const GLubyte *pixels; GLubyte *dst; const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */ - const GLchan *tempImage = NULL; + const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT3); + ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT3 || + dstFormat == MESA_FORMAT_SRGBA_DXT3); ASSERT(dstXoffset % 4 == 0); ASSERT(dstYoffset % 4 == 0); ASSERT(dstZoffset % 4 == 0); (void) dstZoffset; - (void) dstImageOffsets; if (srcFormat != GL_RGBA || - srcType != CHAN_TYPE || + srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || + srcPacking->RowLength != srcWidth || srcPacking->SwapBytes) { - /* convert image to RGBA/GLchan */ - tempImage = _mesa_make_temp_chan_image(ctx, dims, + /* convert image to RGBA/GLubyte */ + tempImage = _mesa_make_temp_ubyte_image(ctx, dims, baseInternalFormat, _mesa_get_format_base_format(dstFormat), srcWidth, srcHeight, srcDepth, @@ -313,19 +308,16 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS) srcPacking); if (!tempImage) return GL_FALSE; /* out of memory */ - _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); pixels = tempImage; - srcRowStride = 4 * srcWidth; } else { - pixels = (const GLchan *) srcAddr; - srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, - srcType) / sizeof(GLchan); + pixels = _mesa_image_address2d(srcPacking, srcAddr, srcWidth, srcHeight, + srcFormat, srcType, 0, 0); } dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, dstFormat, - texWidth, (GLubyte *) dstAddr); + texWidth, dstSlices[0]); if (ext_tx_compress_dxtn) { (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, @@ -348,25 +340,25 @@ _mesa_texstore_rgba_dxt3(TEXSTORE_PARAMS) GLboolean _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS) { - const GLchan *pixels; - GLint srcRowStride; + const GLubyte *pixels; GLubyte *dst; const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */ - const GLchan *tempImage = NULL; + const GLubyte *tempImage = NULL; - ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT5); + ASSERT(dstFormat == MESA_FORMAT_RGBA_DXT5 || + dstFormat == MESA_FORMAT_SRGBA_DXT5); ASSERT(dstXoffset % 4 == 0); ASSERT(dstYoffset % 4 == 0); ASSERT(dstZoffset % 4 == 0); (void) dstZoffset; - (void) dstImageOffsets; if (srcFormat != GL_RGBA || - srcType != CHAN_TYPE || + srcType != GL_UNSIGNED_BYTE || ctx->_ImageTransferState || + srcPacking->RowLength != srcWidth || srcPacking->SwapBytes) { - /* convert image to RGBA/GLchan */ - tempImage = _mesa_make_temp_chan_image(ctx, dims, + /* convert image to RGBA/GLubyte */ + tempImage = _mesa_make_temp_ubyte_image(ctx, dims, baseInternalFormat, _mesa_get_format_base_format(dstFormat), srcWidth, srcHeight, srcDepth, @@ -374,19 +366,16 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS) srcPacking); if (!tempImage) return GL_FALSE; /* out of memory */ - _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); pixels = tempImage; - srcRowStride = 4 * srcWidth; } else { - pixels = (const GLchan *) srcAddr; - srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, - srcType) / sizeof(GLchan); + pixels = _mesa_image_address2d(srcPacking, srcAddr, srcWidth, srcHeight, + srcFormat, srcType, 0, 0); } dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0, dstFormat, - texWidth, (GLubyte *) dstAddr); + texWidth, dstSlices[0]); if (ext_tx_compress_dxtn) { (*ext_tx_compress_dxtn)(4, srcWidth, srcHeight, pixels, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, @@ -404,14 +393,13 @@ _mesa_texstore_rgba_dxt5(TEXSTORE_PARAMS) static void -fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +fetch_texel_2d_rgb_dxt1( const struct swrast_texture_image *texImage, + GLint i, GLint j, GLint k, GLubyte *texel ) { (void) k; if (fetch_ext_rgb_dxt1) { - ASSERT (sizeof(GLchan) == sizeof(GLubyte)); fetch_ext_rgb_dxt1(texImage->RowStride, - (GLubyte *)(texImage)->Data, i, j, texel); + texImage->Data, i, j, texel); } else _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgb_dxt1"); @@ -419,27 +407,27 @@ fetch_texel_2d_rgb_dxt1( const struct gl_texture_image *texImage, void -_mesa_fetch_texel_2d_f_rgb_dxt1(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_rgb_dxt1(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba); - texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } static void -fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +fetch_texel_2d_rgba_dxt1( const struct swrast_texture_image *texImage, + GLint i, GLint j, GLint k, GLubyte *texel ) { (void) k; if (fetch_ext_rgba_dxt1) { fetch_ext_rgba_dxt1(texImage->RowStride, - (GLubyte *)(texImage)->Data, i, j, texel); + texImage->Data, i, j, texel); } else _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt1\n"); @@ -447,28 +435,27 @@ fetch_texel_2d_rgba_dxt1( const struct gl_texture_image *texImage, void -_mesa_fetch_texel_2d_f_rgba_dxt1(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_rgba_dxt1(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba); - texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } static void -fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +fetch_texel_2d_rgba_dxt3( const struct swrast_texture_image *texImage, + GLint i, GLint j, GLint k, GLubyte *texel ) { (void) k; if (fetch_ext_rgba_dxt3) { - ASSERT (sizeof(GLchan) == sizeof(GLubyte)); - fetch_ext_rgba_dxt3(texImage->RowStride, (GLubyte *)(texImage)->Data, - i, j, texel); + fetch_ext_rgba_dxt3(texImage->RowStride, + texImage->Data, i, j, texel); } else _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt3\n"); @@ -476,27 +463,27 @@ fetch_texel_2d_rgba_dxt3( const struct gl_texture_image *texImage, void -_mesa_fetch_texel_2d_f_rgba_dxt3(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_rgba_dxt3(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba); - texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } static void -fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage, - GLint i, GLint j, GLint k, GLchan *texel ) +fetch_texel_2d_rgba_dxt5( const struct swrast_texture_image *texImage, + GLint i, GLint j, GLint k, GLubyte *texel ) { (void) k; if (fetch_ext_rgba_dxt5) { - fetch_ext_rgba_dxt5(texImage->RowStride, (GLubyte *)(texImage)->Data, - i, j, texel); + fetch_ext_rgba_dxt5(texImage->RowStride, + texImage->Data, i, j, texel); } else _mesa_debug(NULL, "attempted to decode s3tc texture without library available: fetch_texel_2d_rgba_dxt5\n"); @@ -504,69 +491,69 @@ fetch_texel_2d_rgba_dxt5( const struct gl_texture_image *texImage, void -_mesa_fetch_texel_2d_f_rgba_dxt5(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_rgba_dxt5(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba); - texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]); - texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]); - texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[RCOMP] = UBYTE_TO_FLOAT(rgba[RCOMP]); + texel[GCOMP] = UBYTE_TO_FLOAT(rgba[GCOMP]); + texel[BCOMP] = UBYTE_TO_FLOAT(rgba[BCOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } #if FEATURE_EXT_texture_sRGB void -_mesa_fetch_texel_2d_f_srgb_dxt1( const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_srgb_dxt1( const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgb_dxt1(texImage, i, j, k, rgba); texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]); texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]); texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } void -_mesa_fetch_texel_2d_f_srgba_dxt1(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_srgba_dxt1(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt1(texImage, i, j, k, rgba); texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]); texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]); texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } void -_mesa_fetch_texel_2d_f_srgba_dxt3(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_srgba_dxt3(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt3(texImage, i, j, k, rgba); texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]); texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]); texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } void -_mesa_fetch_texel_2d_f_srgba_dxt5(const struct gl_texture_image *texImage, +_mesa_fetch_texel_2d_f_srgba_dxt5(const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel) { - /* just sample as GLchan and convert to float here */ - GLchan rgba[4]; + /* just sample as GLubyte and convert to float here */ + GLubyte rgba[4]; fetch_texel_2d_rgba_dxt5(texImage, i, j, k, rgba); texel[RCOMP] = nonlinear_to_linear(rgba[RCOMP]); texel[GCOMP] = nonlinear_to_linear(rgba[GCOMP]); texel[BCOMP] = nonlinear_to_linear(rgba[BCOMP]); - texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]); + texel[ACOMP] = UBYTE_TO_FLOAT(rgba[ACOMP]); } #endif /* FEATURE_EXT_texture_sRGB */