diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2006-09-20 22:02:48 +0000 |
---|---|---|
committer | Keith Whitwell <keith@tungstengraphics.com> | 2006-09-20 22:02:48 +0000 |
commit | 3aea82b396387bf3835f91bcc9121e02274c4c04 (patch) | |
tree | fc3e9aebf29a45911d0b4832b37f01170330cc6e /src/mesa/main/texstore.c | |
parent | 62d4dfbfe3f7c452f3c182bfdb9270a2f20e3f2d (diff) |
Extend swizzle support to all remaining source formats and texture
destination formats.
Diffstat (limited to 'src/mesa/main/texstore.c')
-rw-r--r-- | src/mesa/main/texstore.c | 336 |
1 files changed, 260 insertions, 76 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index b94fded6255..f64642124da 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -79,12 +79,20 @@ static GLboolean can_swizzle(GLenum logicalBaseFormat) case GL_INTENSITY: case GL_ALPHA: case GL_LUMINANCE: + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_BGR: + case GL_BGRA: + case GL_ABGR_EXT: return GL_TRUE; default: return GL_FALSE; } } + + enum { IDX_LUMINANCE = 0, IDX_ALPHA, @@ -92,74 +100,99 @@ enum { IDX_LUMINANCE_ALPHA, IDX_RGB, IDX_RGBA, + IDX_RED, + IDX_GREEN, + IDX_BLUE, + IDX_BGR, + IDX_BGRA, + IDX_ABGR, MAX_IDX }; -#define MAP1(from,to,x) MAP4(from, to, x, ZERO, ZERO, ZERO) -#define MAP2(from,to,x,y) MAP4(from, to, x, y, ZERO, ZERO) -#define MAP3(from,to,x,y,z) MAP4(from, to, x, y, z, ZERO) -#define MAP4(from,to,x,y,z,w) { IDX_##from, IDX_##to, { x, y, z, w, ZERO, ONE } } +#define MAP1(x) MAP4(x, ZERO, ZERO, ZERO) +#define MAP2(x,y) MAP4(x, y, ZERO, ZERO) +#define MAP3(x,y,z) MAP4(x, y, z, ZERO) +#define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE } static const struct { - GLubyte from; - GLubyte to; - GLubyte map[6]; -} mappings[MAX_IDX][MAX_IDX] = + GLubyte format_idx; + GLubyte to_rgba[6]; + GLubyte from_rgba[6]; +} mappings[MAX_IDX] = { { - MAP1(LUMINANCE, LUMINANCE, 0), - MAP1(ALPHA, LUMINANCE, ZERO), - MAP1(INTENSITY, LUMINANCE, 0), - MAP1(LUMINANCE_ALPHA, LUMINANCE, 0), - MAP1(RGB, LUMINANCE, 0), - MAP1(RGBA, LUMINANCE, 0), + IDX_LUMINANCE, + MAP4(0,0,0,ONE), + MAP1(0) }, { - MAP1(LUMINANCE, ALPHA, ONE), - MAP1(ALPHA, ALPHA, 0), - MAP1(INTENSITY, ALPHA, 0), - MAP1(LUMINANCE_ALPHA, ALPHA, 1), - MAP1(RGB, ALPHA, ONE), - MAP1(RGBA, ALPHA, 3), + IDX_ALPHA, + MAP4(ZERO, ZERO, ZERO, 0), + MAP1(3) }, { - MAP1(LUMINANCE, INTENSITY, 0), - MAP1(ALPHA, INTENSITY, ZERO), - MAP1(INTENSITY, INTENSITY, 0), - MAP1(LUMINANCE_ALPHA, INTENSITY, 0), - MAP1(RGB, INTENSITY, 0), - MAP1(RGBA, INTENSITY, 0), + IDX_INTENSITY, + MAP4(0, 0, 0, 0), + MAP1(0), }, { - MAP2(LUMINANCE, LUMINANCE_ALPHA, 0, ONE), - MAP2(ALPHA, LUMINANCE_ALPHA, ZERO, 0), - MAP2(INTENSITY, LUMINANCE_ALPHA, 0, 0), - MAP2(LUMINANCE_ALPHA, LUMINANCE_ALPHA, 0, 1), - MAP2(RGB, LUMINANCE_ALPHA, 0, ONE), - MAP2(RGBA, LUMINANCE_ALPHA, 0, 3), + IDX_LUMINANCE_ALPHA, + MAP4(0,0,0,1), + MAP2(0,3) }, { - MAP3(LUMINANCE, RGB, 0, 0, 0), - MAP3(ALPHA, RGB, ZERO, ZERO, ZERO), - MAP3(INTENSITY, RGB, 0, 0, 0), - MAP3(LUMINANCE_ALPHA, RGB, 0, 0, 0), - MAP3(RGB, RGB, 0, 1, 2), - MAP3(RGBA, RGB, 0, 1, 2), + IDX_RGB, + MAP4(0,1,2,ONE), + MAP3(0,1,2) }, { - MAP4(LUMINANCE, RGBA, 0, 0, 0, ONE), - MAP4(ALPHA, RGBA, ZERO, ZERO, ZERO, 0), - MAP4(INTENSITY, RGBA, 0, 0, 0, 0), - MAP4(LUMINANCE_ALPHA, RGBA, 0, 0, 0, 1), - MAP4(RGB, RGBA, 0, 1, 2, ONE), - MAP4(RGBA, RGBA, 0, 1, 2, 3), - } + IDX_RGBA, + MAP4(0,1,2,3), + MAP4(0,1,2,3), + }, + + + { + IDX_RED, + MAP4(0, ZERO, ZERO, ONE), + MAP1(0), + }, + + { + IDX_GREEN, + MAP4(ZERO, 0, ZERO, ONE), + MAP1(1), + }, + + { + IDX_BLUE, + MAP4(ZERO, ZERO, 0, ONE), + MAP1(2), + }, + + { + IDX_BGR, + MAP4(2,1,0,ONE), + MAP3(2,1,0) + }, + + { + IDX_BGRA, + MAP4(2,1,0,3), + MAP4(2,1,0,3) + }, + + { + IDX_ABGR, + MAP4(3,2,1,0), + MAP4(3,2,1,0) + }, }; @@ -176,6 +209,12 @@ static int get_map_idx( GLenum value ) case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA; case GL_RGB: return IDX_RGB; case GL_RGBA: return IDX_RGBA; + case GL_RED: return IDX_RED; + case GL_GREEN: return IDX_GREEN; + case GL_BLUE: return IDX_BLUE; + case GL_BGR: return IDX_BGR; + case GL_BGRA: return IDX_BGRA; + case GL_ABGR_EXT: return IDX_ABGR; default: _mesa_problem(NULL, "Unexpected inFormat"); return 0; @@ -191,28 +230,33 @@ static int get_map_idx( GLenum value ) * \param outFormat the final texture format * \return map[6] a full 6-component map */ -static const GLubyte * -compute_component_mapping(GLenum inFormat, GLenum outFormat) +static void +compute_component_mapping(GLenum inFormat, GLenum outFormat, + GLubyte *map) { int in = get_map_idx(inFormat); int out = get_map_idx(outFormat); - ASSERT(mappings[out][in].from == in); - ASSERT(mappings[out][in].to == out); + const GLubyte *in2rgba = mappings[in].to_rgba; + const GLubyte *rgba2out = mappings[out].from_rgba; + int i; - /* - const GLubyte *map = mappings[out][in].map; - _mesa_printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n", - inFormat, _mesa_lookup_enum_by_nr(inFormat), - outFormat, _mesa_lookup_enum_by_nr(outFormat), - map[0], - map[1], - map[2], - map[3], - map[4], - map[5]); - */ + for (i = 0; i < 4; i++) + map[i] = in2rgba[rgba2out[i]]; + + map[ZERO] = ZERO; + map[ONE] = ONE; - return mappings[out][in].map; +/* + _mesa_printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n", + inFormat, _mesa_lookup_enum_by_nr(inFormat), + outFormat, _mesa_lookup_enum_by_nr(outFormat), + map[0], + map[1], + map[2], + map[3], + map[4], + map[5]); +*/ } @@ -397,7 +441,7 @@ make_temp_float_image(GLcontext *ctx, GLuint dims, GLint logComponents = _mesa_components_in_format(logicalBaseFormat); GLfloat *newImage; GLint i, n; - const GLubyte *map; + GLubyte map[6]; /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || @@ -415,7 +459,7 @@ make_temp_float_image(GLcontext *ctx, GLuint dims, return NULL; } - map = compute_component_mapping(logicalBaseFormat, textureBaseFormat); + compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); n = srcWidth * srcHeight * srcDepth; for (i = 0; i < n; i++) { @@ -551,7 +595,7 @@ _mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims, GLint logComponents = _mesa_components_in_format(logicalBaseFormat); GLchan *newImage; GLint i, n; - const GLubyte *map; + GLubyte map[6]; /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */ ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA || @@ -569,7 +613,7 @@ _mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims, return NULL; } - map = compute_component_mapping(logicalBaseFormat, textureBaseFormat); + compute_component_mapping(logicalBaseFormat, textureBaseFormat, map); n = srcWidth * srcHeight * srcDepth; for (i = 0; i < n; i++) { @@ -643,6 +687,14 @@ swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src, dst += 2; } break; + case 1: + for (i = 0; i < count; i++) { + COPY_4UBV(tmp, src); + src += srcComponents; + dst[0] = tmp[map[0]]; + dst += 1; + } + break; } } @@ -659,8 +711,10 @@ static const GLubyte map_3210[6] = { 3, 2, 1, 0, 4, 5 }; static const GLubyte * -type_endian_mapping( GLenum srcType, GLboolean littleEndian ) +type_endian_mapping( GLenum srcType ) { + const GLuint ui = 1; + const GLubyte littleEndian = *((const GLubyte *) &ui); switch (srcType) { case GL_UNSIGNED_BYTE: @@ -705,7 +759,6 @@ _mesa_swizzle_ubyte_image(GLcontext *ctx, GLuint dimensions, GLenum srcFormat, GLenum srcType, - GLboolean littleEndian, GLenum baseInternalFormat, @@ -722,8 +775,8 @@ _mesa_swizzle_ubyte_image(GLcontext *ctx, const struct gl_pixelstore_attrib *srcPacking ) { GLint srcComponents = _mesa_components_in_format(srcFormat); - const GLubyte *src2base, *base2rgba, *srctype2ubyte_le, *swap; - GLubyte map[4]; + const GLubyte *srctype2ubyte_le, *swap; + GLubyte map[4], src2base[6], base2rgba[6]; GLint i; const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth, @@ -742,10 +795,10 @@ _mesa_swizzle_ubyte_image(GLcontext *ctx, * correctly deal with RGBA->RGB->RGBA conversions where the final * A value must be 0xff regardless of the incoming alpha values. */ - src2base = compute_component_mapping(srcFormat, baseInternalFormat); - base2rgba = compute_component_mapping(baseInternalFormat, GL_RGBA); + compute_component_mapping(srcFormat, baseInternalFormat, src2base); + compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba); swap = byteswap_mapping(srcType); - srctype2ubyte_le = type_endian_mapping(srcType, littleEndian); + srctype2ubyte_le = type_endian_mapping(srcType); for (i = 0; i < 4; i++) @@ -930,6 +983,33 @@ _mesa_texstore_rgba(TEXSTORE_PARAMS) } } } + else if (!ctx->_ImageTransferState && + CHAN_TYPE == GL_UNSIGNED_BYTE && + (srcType == GL_UNSIGNED_BYTE || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV) && + can_swizzle(baseInternalFormat) && + can_swizzle(srcFormat)) { + + GLubyte dstmap[4]; + + /* dstmap - how to swizzle from RGBA to dst format: + */ + dstmap[3] = 0; + dstmap[2] = 1; + dstmap[1] = 2; + dstmap[0] = 3; + + _mesa_swizzle_ubyte_image(ctx, dims, + srcFormat, + srcType, + baseInternalFormat, + dstmap, 4, + dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcAddr, + srcPacking); + } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, @@ -1169,7 +1249,6 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS) const GLuint ui = 1; const GLubyte littleEndian = *((const GLubyte *) &ui); - (void)littleEndian; ASSERT(dstFormat == &_mesa_texformat_rgba8888 || dstFormat == &_mesa_texformat_rgba8888_rev); ASSERT(dstFormat->TexelBytes == 4); @@ -1233,7 +1312,6 @@ _mesa_texstore_rgba8888(TEXSTORE_PARAMS) _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, - littleEndian, baseInternalFormat, dstmap, 4, dstAddr, dstXoffset, dstYoffset, dstZoffset, @@ -1450,7 +1528,6 @@ _mesa_texstore_argb8888(TEXSTORE_PARAMS) _mesa_swizzle_ubyte_image(ctx, dims, srcFormat, srcType, - littleEndian, baseInternalFormat, dstmap, 4, @@ -1556,6 +1633,30 @@ _mesa_texstore_rgb888(TEXSTORE_PARAMS) } } } + else if (!ctx->_ImageTransferState && + srcType == GL_UNSIGNED_BYTE && + can_swizzle(baseInternalFormat) && + can_swizzle(srcFormat)) { + + GLubyte dstmap[4]; + + /* dstmap - how to swizzle from RGBA to dst format: + */ + dstmap[0] = 0; + dstmap[1] = 1; + dstmap[2] = 2; + dstmap[3] = ONE; /* ? */ + + _mesa_swizzle_ubyte_image(ctx, dims, + srcFormat, + srcType, + baseInternalFormat, + dstmap, 3, + dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcAddr, + srcPacking); + } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, @@ -1658,6 +1759,30 @@ _mesa_texstore_bgr888(TEXSTORE_PARAMS) } } } + else if (!ctx->_ImageTransferState && + srcType == GL_UNSIGNED_BYTE && + can_swizzle(baseInternalFormat) && + can_swizzle(srcFormat)) { + + GLubyte dstmap[4]; + + /* dstmap - how to swizzle from RGBA to dst format: + */ + dstmap[0] = 2; + dstmap[1] = 1; + dstmap[2] = 0; + dstmap[3] = ONE; /* ? */ + + _mesa_swizzle_ubyte_image(ctx, dims, + srcFormat, + srcType, + baseInternalFormat, + dstmap, 3, + dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcAddr, + srcPacking); + } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, @@ -1854,6 +1979,36 @@ _mesa_texstore_al88(TEXSTORE_PARAMS) srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } + else if (!ctx->_ImageTransferState && + srcType == GL_UNSIGNED_BYTE && + can_swizzle(baseInternalFormat) && + can_swizzle(srcFormat)) { + + GLubyte dstmap[4]; + + /* dstmap - how to swizzle from RGBA to dst format: + */ + if (dstFormat == &_mesa_texformat_al88) { + dstmap[0] = 0; + dstmap[1] = 3; + } + else { + dstmap[0] = 3; + dstmap[1] = 0; + } + dstmap[2] = ZERO; /* ? */ + dstmap[3] = ONE; /* ? */ + + _mesa_swizzle_ubyte_image(ctx, dims, + srcFormat, + srcType, + baseInternalFormat, + dstmap, 2, + dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcAddr, + srcPacking); + } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, @@ -1974,6 +2129,35 @@ _mesa_texstore_a8(TEXSTORE_PARAMS) srcWidth, srcHeight, srcDepth, srcFormat, srcType, srcAddr, srcPacking); } + else if (!ctx->_ImageTransferState && + srcType == GL_UNSIGNED_BYTE && + can_swizzle(baseInternalFormat) && + can_swizzle(srcFormat)) { + + GLubyte dstmap[4]; + + /* dstmap - how to swizzle from RGBA to dst format: + */ + if (dstFormat == &_mesa_texformat_a8) { + dstmap[0] = 3; + } + else { + dstmap[0] = 0; + } + dstmap[1] = ZERO; /* ? */ + dstmap[2] = ZERO; /* ? */ + dstmap[3] = ONE; /* ? */ + + _mesa_swizzle_ubyte_image(ctx, dims, + srcFormat, + srcType, + baseInternalFormat, + dstmap, 1, + dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcAddr, + srcPacking); + } else { /* general path */ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims, |