diff options
author | Brian Paul <[email protected]> | 2000-04-18 14:32:10 +0000 |
---|---|---|
committer | Brian Paul <[email protected]> | 2000-04-18 14:32:10 +0000 |
commit | c397a6b28351ad97f996f913cfe9266b9f9096f6 (patch) | |
tree | f4b09d9b724ba8bd539b5a3ce89c481b4ebf0a24 /src | |
parent | 7b5f09c7ded33ef41955f4c9fa3e35d4c34f313a (diff) |
more color table and imaging work
Diffstat (limited to 'src')
-rw-r--r-- | src/mesa/main/colortab.c | 23 | ||||
-rw-r--r-- | src/mesa/main/drawpix.c | 6 | ||||
-rw-r--r-- | src/mesa/main/image.c | 350 | ||||
-rw-r--r-- | src/mesa/main/image.h | 15 |
4 files changed, 340 insertions, 54 deletions
diff --git a/src/mesa/main/colortab.c b/src/mesa/main/colortab.c index 634b5c25247..17d9cdee612 100644 --- a/src/mesa/main/colortab.c +++ b/src/mesa/main/colortab.c @@ -1,4 +1,4 @@ -/* $Id: colortab.c,v 1.15 2000/04/17 17:57:04 brianp Exp $ */ +/* $Id: colortab.c,v 1.16 2000/04/18 14:32:10 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -153,6 +153,7 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, GLfloat rScale = 1.0, gScale = 1.0, bScale = 1.0, aScale = 1.0; GLfloat rBias = 0.0, gBias = 0.0, bBias = 0.0, aBias = 0.0; GLboolean floatTable = GL_FALSE; + GLint comps; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glColorTable"); @@ -267,12 +268,14 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, return; } - table->Size = width; table->IntFormat = internalFormat; table->Format = (GLenum) baseFormat; set_component_sizes(table); + comps = _mesa_components_in_format(table->Format); + assert(comps > 0); /* error should have been caught sooner */ + if (!proxy) { /* free old table, if any */ if (table->Table) { @@ -289,7 +292,7 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, &ctx->Unpack, GL_TRUE); table->TableType = GL_FLOAT; - table->Table = MALLOC(4 * width * sizeof(GLfloat)); + table->Table = MALLOC(comps * width * sizeof(GLfloat)); if (!table->Table) { gl_error(ctx, GL_OUT_OF_MEMORY, "glColorTable"); return; @@ -349,7 +352,7 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, else { /* store GLubyte table */ table->TableType = GL_UNSIGNED_BYTE; - table->Table = MALLOC(4 * width * sizeof(GLubyte)); + table->Table = MALLOC(comps * width * sizeof(GLubyte)); if (!table->Table) { gl_error(ctx, GL_OUT_OF_MEMORY, "glColorTable"); return; @@ -367,7 +370,6 @@ _mesa_ColorTable( GLenum target, GLenum internalFormat, (*ctx->Driver.UpdateTexturePalette)( ctx, texObj ); } } - } @@ -382,7 +384,6 @@ _mesa_ColorSubTable( GLenum target, GLsizei start, struct gl_texture_object *texObj = NULL; struct gl_color_table *table = NULL; GLint comps; - GLubyte *dest; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glColorSubTable"); @@ -442,17 +443,17 @@ _mesa_ColorSubTable( GLenum target, GLsizei start, } if (table->TableType == GL_UNSIGNED_BYTE) { - dest = (GLubyte *) table->Table + start * comps * sizeof(GLubyte); + GLubyte *dest = (GLubyte *) table->Table + start * comps * sizeof(GLubyte); _mesa_unpack_ubyte_color_span(ctx, count, table->Format, dest, - format, type, data, - &ctx->Unpack, GL_TRUE); + format, type, data, &ctx->Unpack, GL_TRUE); } else { + GLfloat *dest = (GLfloat *) table->Table + start * comps * sizeof(GLfloat); ASSERT(table->TableType == GL_FLOAT); - /* XXX todo */ + _mesa_unpack_float_color_span(ctx, count, table->Format, dest, + format, type, data, &ctx->Unpack, GL_TRUE); } - if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) { /* per-texture object palette */ if (ctx->Driver.UpdateTexturePalette) { diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index 80059124bbb..38ffcc85462 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -1,4 +1,4 @@ -/* $Id: drawpix.c,v 1.20 2000/04/12 18:54:48 brianp Exp $ */ +/* $Id: drawpix.c,v 1.21 2000/04/18 14:32:10 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -121,6 +121,8 @@ simple_DrawPixels( GLcontext *ctx, GLint x, GLint y, && !ctx->Pixel.ScaleOrBiasRGBApcm && ctx->ColorMatrix.type == MATRIX_IDENTITY && !ctx->Pixel.ColorTableEnabled + && !ctx->Pixel.PostColorMatrixColorTableEnabled + && !ctx->Pixel.MinMaxEnabled && ctx->Pixel.IndexShift==0 && ctx->Pixel.IndexOffset==0 && ctx->Pixel.MapColorFlag==0 && ctx->Texture.ReallyEnabled == 0 @@ -650,6 +652,8 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y, pixels, width, height, format, type, 0, row, 0); _mesa_unpack_ubyte_color_span(ctx, width, GL_RGBA, (void*) rgba, format, type, source, unpack, GL_TRUE); + if (ctx->Pixel.MinMaxEnabled && ctx->MinMax.Sink) + continue; if (ctx->Texture.ReallyEnabled && ctx->Pixel.PixelTextureEnabled) { GLfloat s[MAX_WIDTH], t[MAX_WIDTH], r[MAX_WIDTH], q[MAX_WIDTH]; diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 6fa54db3a12..b16f030c76d 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -1,4 +1,4 @@ -/* $Id: image.c,v 1.28 2000/04/17 15:13:53 brianp Exp $ */ +/* $Id: image.c,v 1.29 2000/04/18 14:32:10 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -31,6 +31,7 @@ #include "glheader.h" #include "context.h" #include "image.h" +#include "imaging.h" #include "macros.h" #include "mem.h" #include "mmath.h" @@ -602,7 +603,7 @@ _mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, * applyTransferOps - apply scale/bias/lookup-table ops? */ void -_mesa_pack_rgba_span( const GLcontext *ctx, +_mesa_pack_rgba_span( GLcontext *ctx, GLuint n, CONST GLubyte srcRgba[][4], GLenum format, GLenum type, GLvoid *destination, const struct gl_pixelstore_attrib *packing, @@ -613,7 +614,8 @@ _mesa_pack_rgba_span( const GLcontext *ctx, ctx->ColorMatrix.type != MATRIX_IDENTITY || ctx->Pixel.ScaleOrBiasRGBApcm || ctx->Pixel.ColorTableEnabled || - ctx->Pixel.PostColorMatrixColorTableEnabled); + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled); /* Test for optimized case first */ if (!applyTransferOps && format == GL_RGBA && type == GL_UNSIGNED_BYTE) { @@ -680,6 +682,11 @@ _mesa_pack_rgba_span( const GLcontext *ctx, } /* XXX histogram here */ /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (const GLfloat (*)[4]) rgba); + if (ctx->MinMax.Sink) + return; + } } if (format==GL_LUMINANCE || format==GL_LUMINANCE_ALPHA) { @@ -2128,7 +2135,7 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4], * XXX perhaps expand this to process whole images someday. */ void -_mesa_unpack_ubyte_color_span( const GLcontext *ctx, +_mesa_unpack_ubyte_color_span( GLcontext *ctx, GLuint n, GLenum dstFormat, GLubyte dest[], GLenum srcFormat, GLenum srcType, const GLvoid *source, @@ -2186,7 +2193,8 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, ctx->ColorMatrix.type != MATRIX_IDENTITY || ctx->Pixel.ScaleOrBiasRGBApcm || ctx->Pixel.ColorTableEnabled || - ctx->Pixel.PostColorMatrixColorTableEnabled); + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled); /* Try simple cases first */ if (!applyTransferOps && srcType == GL_UNSIGNED_BYTE) { @@ -2258,26 +2266,22 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, extract_uint_indexes(n, indexes, srcFormat, srcType, source, unpacking); - /* shift and offset indexes */ - _mesa_shift_and_offset_ci(ctx, n, indexes); + if (applyTransferOps) { + if (ctx->Pixel.MapColorFlag) { + _mesa_map_ci(ctx, n, indexes); + } + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + } if (dstFormat == GL_COLOR_INDEX) { - if (applyTransferOps) { - if (ctx->Pixel.MapColorFlag) { - /* Apply lookup table */ - _mesa_map_ci(ctx, n, indexes); - } - if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { - _mesa_shift_and_offset_ci(ctx, n, indexes); - } - } /* convert to GLubyte and return */ - { - GLuint i; - for (i = 0; i < n; i++) { - dest[i] = (GLubyte) (indexes[i] & 0xff); - } + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLubyte) (indexes[i] & 0xff); } + return; } else { /* Convert indexes to RGBA */ @@ -2290,28 +2294,36 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, if (applyTransferOps) { /* scale and bias colors */ - _mesa_scale_and_bias_rgba(ctx, n, rgba); + if (ctx->Pixel.ScaleOrBiasRGBA) { + _mesa_scale_and_bias_rgba(ctx, n, rgba); + } /* color map lookup */ if (ctx->Pixel.MapColorFlag) { _mesa_map_rgba(ctx, n, rgba); } - /* GL_COLOR_TABLE lookup */ - if (ctx->Pixel.ColorTableEnabled) { - _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); - } - /* XXX convolution here */ - /* XXX post-convolution color table look-up here */ - /* color matrix transform */ - if (ctx->ColorMatrix.type != MATRIX_IDENTITY || - ctx->Pixel.ScaleOrBiasRGBApcm) { - _mesa_transform_rgba(ctx, n, rgba); - } - /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ - if (ctx->Pixel.PostColorMatrixColorTableEnabled) { - _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); - } - /* XXX histogram here */ - /* XXX min/max here */ + } + } + + if (applyTransferOps) { + /* GL_COLOR_TABLE lookup */ + if (ctx->Pixel.ColorTableEnabled) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* XXX convolution here */ + /* XXX post-convolution color table look-up here */ + /* color matrix transform */ + if (ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (ctx->Pixel.PostColorMatrixColorTableEnabled) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* XXX histogram here */ + /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (const GLfloat (*)[4]) rgba); } } @@ -2433,6 +2445,266 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, } +void +_mesa_unpack_float_color_span( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *unpacking, + GLboolean applyTransferOps ) +{ + ASSERT(dstFormat == GL_ALPHA || + dstFormat == GL_LUMINANCE || + dstFormat == GL_LUMINANCE_ALPHA || + dstFormat == GL_INTENSITY || + dstFormat == GL_RGB || + dstFormat == GL_RGBA || + dstFormat == GL_COLOR_INDEX); + + ASSERT(srcFormat == GL_RED || + srcFormat == GL_GREEN || + srcFormat == GL_BLUE || + srcFormat == GL_ALPHA || + srcFormat == GL_LUMINANCE || + srcFormat == GL_LUMINANCE_ALPHA || + srcFormat == GL_INTENSITY || + srcFormat == GL_RGB || + srcFormat == GL_BGR || + srcFormat == GL_RGBA || + srcFormat == GL_BGRA || + srcFormat == GL_ABGR_EXT || + srcFormat == GL_COLOR_INDEX); + + ASSERT(srcType == GL_BITMAP || + srcType == GL_UNSIGNED_BYTE || + srcType == GL_BYTE || + srcType == GL_UNSIGNED_SHORT || + srcType == GL_SHORT || + srcType == GL_UNSIGNED_INT || + srcType == GL_INT || + srcType == GL_FLOAT || + srcType == GL_UNSIGNED_BYTE_3_3_2 || + srcType == GL_UNSIGNED_BYTE_2_3_3_REV || + srcType == GL_UNSIGNED_SHORT_5_6_5 || + srcType == GL_UNSIGNED_SHORT_5_6_5_REV || + srcType == GL_UNSIGNED_SHORT_4_4_4_4 || + srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV || + srcType == GL_UNSIGNED_SHORT_5_5_5_1 || + srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV || + srcType == GL_UNSIGNED_INT_8_8_8_8 || + srcType == GL_UNSIGNED_INT_8_8_8_8_REV || + srcType == GL_UNSIGNED_INT_10_10_10_2 || + srcType == GL_UNSIGNED_INT_2_10_10_10_REV); + + /* this is intended for RGBA mode only */ + assert(ctx->Visual->RGBAflag); + + applyTransferOps &= (ctx->Pixel.ScaleOrBiasRGBA || + ctx->Pixel.MapColorFlag || + ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm || + ctx->Pixel.ColorTableEnabled || + ctx->Pixel.PostColorMatrixColorTableEnabled || + ctx->Pixel.MinMaxEnabled); + + /* general solution, no special cases, yet */ + { + GLfloat rgba[MAX_WIDTH][4]; + GLint dstComponents; + GLint dstRedIndex, dstGreenIndex, dstBlueIndex, dstAlphaIndex; + GLint dstLuminanceIndex, dstIntensityIndex; + + dstComponents = _mesa_components_in_format( dstFormat ); + /* source & dest image formats should have been error checked by now */ + assert(dstComponents > 0); + + /* + * Extract image data and convert to RGBA floats + */ + assert(n <= MAX_WIDTH); + if (srcFormat == GL_COLOR_INDEX) { + GLuint indexes[MAX_WIDTH]; + extract_uint_indexes(n, indexes, srcFormat, srcType, source, + unpacking); + + if (applyTransferOps) { + if (ctx->Pixel.MapColorFlag) { + _mesa_map_ci(ctx, n, indexes); + } + if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset) { + _mesa_shift_and_offset_ci(ctx, n, indexes); + } + } + + if (dstFormat == GL_COLOR_INDEX) { + /* convert to GLubyte and return */ + GLuint i; + for (i = 0; i < n; i++) { + dest[i] = (GLubyte) (indexes[i] & 0xff); + } + return; + } + else { + /* Convert indexes to RGBA */ + _mesa_map_ci_to_rgba(ctx, n, indexes, rgba); + } + } + else { + extract_float_rgba(n, rgba, srcFormat, srcType, source, + unpacking->SwapBytes); + + if (applyTransferOps) { + /* scale and bias colors */ + if (ctx->Pixel.ScaleOrBiasRGBA) { + _mesa_scale_and_bias_rgba(ctx, n, rgba); + } + /* color map lookup */ + if (ctx->Pixel.MapColorFlag) { + _mesa_map_rgba(ctx, n, rgba); + } + } + } + + if (applyTransferOps) { + /* GL_COLOR_TABLE lookup */ + if (ctx->Pixel.ColorTableEnabled) { + _mesa_lookup_rgba(&ctx->ColorTable, n, rgba); + } + /* XXX convolution here */ + /* XXX post-convolution color table look-up here */ + /* color matrix transform */ + if (ctx->ColorMatrix.type != MATRIX_IDENTITY || + ctx->Pixel.ScaleOrBiasRGBApcm) { + _mesa_transform_rgba(ctx, n, rgba); + } + /* GL_POST_COLOR_MATRIX_COLOR_TABLE lookup */ + if (ctx->Pixel.PostColorMatrixColorTableEnabled) { + _mesa_lookup_rgba(&ctx->PostColorMatrixColorTable, n, rgba); + } + /* XXX histogram here */ + /* XXX min/max here */ + if (ctx->Pixel.MinMaxEnabled) { + _mesa_update_minmax(ctx, n, (const GLfloat (*)[4]) rgba); + } + } + + /* clamp to [0,1] */ + { + GLuint i; + for (i = 0; i < n; i++) { + rgba[i][RCOMP] = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F); + rgba[i][GCOMP] = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F); + rgba[i][BCOMP] = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F); + rgba[i][ACOMP] = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F); + } + } + + /* Now determine which color channels we need to produce. + * And determine the dest index (offset) within each color tuple. + */ + switch (dstFormat) { + case GL_ALPHA: + dstAlphaIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_LUMINANCE: + dstLuminanceIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstIntensityIndex = -1; + break; + case GL_LUMINANCE_ALPHA: + dstLuminanceIndex = 0; + dstAlphaIndex = 1; + dstRedIndex = dstGreenIndex = dstBlueIndex = -1; + dstIntensityIndex = -1; + break; + case GL_INTENSITY: + dstIntensityIndex = 0; + dstRedIndex = dstGreenIndex = dstBlueIndex = dstAlphaIndex = -1; + dstLuminanceIndex = -1; + break; + case GL_RGB: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = dstLuminanceIndex = dstIntensityIndex = -1; + break; + case GL_RGBA: + dstRedIndex = 0; + dstGreenIndex = 1; + dstBlueIndex = 2; + dstAlphaIndex = 3; + dstLuminanceIndex = dstIntensityIndex = -1; + break; + default: + gl_problem(ctx, "bad dstFormat in _mesa_unpack_float_span()"); + return; + } + + /* Now pack results in teh requested dstFormat */ + if (dstRedIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstRedIndex] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + + if (dstGreenIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstGreenIndex] = rgba[i][GCOMP]; + dst += dstComponents; + } + } + + if (dstBlueIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstBlueIndex] = rgba[i][BCOMP]; + dst += dstComponents; + } + } + + if (dstAlphaIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[dstAlphaIndex] = rgba[i][ACOMP]; + dst += dstComponents; + } + } + + if (dstIntensityIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstIntensityIndex == 0); + assert(dstComponents == 1); + for (i = 0; i < n; i++) { + /* Intensity comes from red channel */ + dst[i] = rgba[i][RCOMP]; + } + } + + if (dstLuminanceIndex >= 0) { + GLfloat *dst = dest; + GLuint i; + assert(dstLuminanceIndex == 0); + for (i = 0; i < n; i++) { + /* Luminance comes from red channel */ + dst[0] = rgba[i][RCOMP]; + dst += dstComponents; + } + } + } +} + + + /* * Unpack a row of color index data from a client buffer according to diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h index 500fa7e3eb7..27ca7dbe93e 100644 --- a/src/mesa/main/image.h +++ b/src/mesa/main/image.h @@ -1,4 +1,4 @@ -/* $Id: image.h,v 1.7 2000/03/21 16:09:38 brianp Exp $ */ +/* $Id: image.h,v 1.8 2000/04/18 14:32:10 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -80,7 +80,7 @@ _mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest, extern void -_mesa_pack_rgba_span( const GLcontext *ctx, +_mesa_pack_rgba_span( GLcontext *ctx, GLuint n, CONST GLubyte rgba[][4], GLenum format, GLenum type, GLvoid *dest, const struct gl_pixelstore_attrib *packing, @@ -88,7 +88,7 @@ _mesa_pack_rgba_span( const GLcontext *ctx, extern void -_mesa_unpack_ubyte_color_span( const GLcontext *ctx, +_mesa_unpack_ubyte_color_span( GLcontext *ctx, GLuint n, GLenum dstFormat, GLubyte dest[], GLenum srcFormat, GLenum srcType, const GLvoid *source, @@ -97,6 +97,15 @@ _mesa_unpack_ubyte_color_span( const GLcontext *ctx, extern void +_mesa_unpack_float_color_span( GLcontext *ctx, + GLuint n, GLenum dstFormat, GLfloat dest[], + GLenum srcFormat, GLenum srcType, + const GLvoid *source, + const struct gl_pixelstore_attrib *unpacking, + GLboolean applyTransferOps ); + + +extern void _mesa_unpack_index_span( const GLcontext *ctx, GLuint n, GLenum dstType, GLvoid *dest, GLenum srcType, const GLvoid *source, |