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mesa: split up the image.c file

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New files:
pack.c - image/row packing/unpacking functions
pixeltransfer.c - pixel scale/bias/lookup functions
This commit is contained in:
Brian Paul
2010-10-23 09:15:01 -06:00
parent e67f6ee96e
commit 1c131752c3
20 changed files with 4665 additions and 4525 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mesa/SConscript
+2
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@@ -79,8 +79,10 @@ if env['platform'] != 'winddk':
'main/mm.c',
'main/multisample.c',
'main/nvprogram.c',
'main/pack.c',
'main/pixel.c',
'main/pixelstore.c',
'main/pixeltransfer.c',
'main/points.c',
'main/polygon.c',
'main/querymatrix.c',
src/mesa/main/colortab.c
+1
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@@ -29,6 +29,7 @@
#include "context.h"
#include "image.h"
#include "macros.h"
#include "pack.h"
#include "state.h"
#include "teximage.h"
#include "texstate.h"
src/mesa/main/dlist.c
+1
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@@ -53,6 +53,7 @@
#include "image.h"
#include "light.h"
#include "macros.h"
#include "pack.h"
#include "queryobj.h"
#include "teximage.h"
#include "mtypes.h"
src/mesa/main/image.c
-4363
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File diff suppressed because it is too large Load Diff
src/mesa/main/image.h
-158
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@@ -124,23 +124,6 @@ _mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
GLint width, GLint height,
GLenum format, GLenum type );
extern void
_mesa_unpack_polygon_stipple( const GLubyte *pattern, GLuint dest[32],
const struct gl_pixelstore_attrib *unpacking );
extern void
_mesa_pack_polygon_stipple( const GLuint pattern[32], GLubyte *dest,
const struct gl_pixelstore_attrib *packing );
extern GLvoid *
_mesa_unpack_bitmap( GLint width, GLint height, const GLubyte *pixels,
const struct gl_pixelstore_attrib *packing );
extern void
_mesa_pack_bitmap( GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing );
extern void
_mesa_expand_bitmap(GLsizei width, GLsizei height,
@@ -150,147 +133,6 @@ _mesa_expand_bitmap(GLsizei width, GLsizei height,
GLubyte onValue);
/** \name Pixel processing functions */
/*@{*/
extern void
_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias);
extern void
_mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_float(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
GLuint n, GLubyte rgba[][4]);
extern void
_mesa_map_ci_to_rgba(const struct gl_context *ctx,
GLuint n, const GLuint index[], GLfloat rgba[][4]);
extern void
_mesa_map_ci8_to_rgba8(const struct gl_context *ctx, GLuint n, const GLubyte index[],
GLubyte rgba[][4]);
extern void
_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
GLfloat depthValues[]);
extern void
_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
GLuint depthValues[]);
extern void
_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_apply_ci_transfer_ops(const struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLuint indexes[]);
extern void
_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
GLstencil stencil[]);
extern void
_mesa_pack_rgba_span_float( struct gl_context *ctx, GLuint n, GLfloat rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_chan( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLchan dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_color_span_float( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLfloat dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_dudv_span_byte( struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLbyte dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_index_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_index_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLuint *source,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps );
extern void
_mesa_unpack_stencil_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
extern void
_mesa_pack_stencil_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLstencil *source,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_unpack_depth_span( const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, GLuint depthMax,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking );
extern void
_mesa_pack_depth_span( const struct gl_context *ctx, GLuint n, GLvoid *dest,
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking );
extern void
_mesa_pack_depth_stencil_span(const struct gl_context *ctx, GLuint n, GLuint *dest,
const GLfloat *depthVals,
const GLstencil *stencilVals,
const struct gl_pixelstore_attrib *dstPacking);
extern void *
_mesa_unpack_image( GLuint dimensions,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack );
extern void
_mesa_convert_colors(GLenum srcType, const GLvoid *src,
GLenum dstType, GLvoid *dst,
src/mesa/main/pack.c
+3848
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File diff suppressed because it is too large Load Diff
src/mesa/main/pack.h
+140
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@@ -0,0 +1,140 @@
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2010 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef PACK_H
#define PACK_H
#include "mtypes.h"
extern void
_mesa_unpack_polygon_stipple(const GLubyte *pattern, GLuint dest[32],
const struct gl_pixelstore_attrib *unpacking);
extern void
_mesa_pack_polygon_stipple(const GLuint pattern[32], GLubyte *dest,
const struct gl_pixelstore_attrib *packing);
extern GLvoid *
_mesa_unpack_bitmap(GLint width, GLint height, const GLubyte *pixels,
const struct gl_pixelstore_attrib *packing);
extern void
_mesa_pack_bitmap(GLint width, GLint height, const GLubyte *source,
GLubyte *dest, const struct gl_pixelstore_attrib *packing);
extern void
_mesa_pack_rgba_span_float(struct gl_context *ctx, GLuint n,
GLfloat rgba[][4],
GLenum dstFormat, GLenum dstType, GLvoid *dstAddr,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps);
extern void
_mesa_unpack_color_span_chan(struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLchan dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps);
extern void
_mesa_unpack_color_span_float(struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLfloat dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps);
extern void
_mesa_unpack_dudv_span_byte(struct gl_context *ctx,
GLuint n, GLenum dstFormat, GLbyte dest[],
GLenum srcFormat, GLenum srcType,
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps);
extern void
_mesa_unpack_index_span(const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps);
extern void
_mesa_pack_index_span(const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLuint *source,
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps);
extern void
_mesa_unpack_stencil_span(const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps);
extern void
_mesa_pack_stencil_span(const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, const GLstencil *source,
const struct gl_pixelstore_attrib *dstPacking);
extern void
_mesa_unpack_depth_span(const struct gl_context *ctx, GLuint n,
GLenum dstType, GLvoid *dest, GLuint depthMax,
GLenum srcType, const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking);
extern void
_mesa_pack_depth_span(const struct gl_context *ctx, GLuint n, GLvoid *dest,
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking);
extern void
_mesa_pack_depth_stencil_span(const struct gl_context *ctx,
GLuint n, GLuint *dest,
const GLfloat *depthVals,
const GLstencil *stencilVals,
const struct gl_pixelstore_attrib *dstPacking);
extern void *
_mesa_unpack_image(GLuint dimensions,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *unpack);
#endif
src/mesa/main/pixeltransfer.c
+566
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@@ -0,0 +1,566 @@
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009-2010 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file pixeltransfer.c
* Pixel transfer operations (scale, bias, table lookups, etc)
*/
#include "glheader.h"
#include "colormac.h"
#include "pixeltransfer.h"
#include "imports.h"
/*
* Apply scale and bias factors to an array of RGBA pixels.
*/
void
_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias)
{
if (rScale != 1.0 || rBias != 0.0) {
GLuint i;
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = rgba[i][RCOMP] * rScale + rBias;
}
}
if (gScale != 1.0 || gBias != 0.0) {
GLuint i;
for (i = 0; i < n; i++) {
rgba[i][GCOMP] = rgba[i][GCOMP] * gScale + gBias;
}
}
if (bScale != 1.0 || bBias != 0.0) {
GLuint i;
for (i = 0; i < n; i++) {
rgba[i][BCOMP] = rgba[i][BCOMP] * bScale + bBias;
}
}
if (aScale != 1.0 || aBias != 0.0) {
GLuint i;
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = rgba[i][ACOMP] * aScale + aBias;
}
}
}
/*
* Apply pixel mapping to an array of floating point RGBA pixels.
*/
void
_mesa_map_rgba( const struct gl_context *ctx, GLuint n, GLfloat rgba[][4] )
{
const GLfloat rscale = (GLfloat) (ctx->PixelMaps.RtoR.Size - 1);
const GLfloat gscale = (GLfloat) (ctx->PixelMaps.GtoG.Size - 1);
const GLfloat bscale = (GLfloat) (ctx->PixelMaps.BtoB.Size - 1);
const GLfloat ascale = (GLfloat) (ctx->PixelMaps.AtoA.Size - 1);
const GLfloat *rMap = ctx->PixelMaps.RtoR.Map;
const GLfloat *gMap = ctx->PixelMaps.GtoG.Map;
const GLfloat *bMap = ctx->PixelMaps.BtoB.Map;
const GLfloat *aMap = ctx->PixelMaps.AtoA.Map;
GLuint i;
for (i=0;i<n;i++) {
GLfloat r = CLAMP(rgba[i][RCOMP], 0.0F, 1.0F);
GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F);
GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F);
GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F);
rgba[i][RCOMP] = rMap[IROUND(r * rscale)];
rgba[i][GCOMP] = gMap[IROUND(g * gscale)];
rgba[i][BCOMP] = bMap[IROUND(b * bscale)];
rgba[i][ACOMP] = aMap[IROUND(a * ascale)];
}
}
/**
* Apply a color table lookup to an array of floating point RGBA colors.
*/
void
_mesa_lookup_rgba_float(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4])
{
const GLint max = table->Size - 1;
const GLfloat scale = (GLfloat) max;
const GLfloat *lut = table->TableF;
GLuint i;
if (!table->TableF || table->Size == 0)
return;
switch (table->_BaseFormat) {
case GL_INTENSITY:
/* replace RGBA with I */
for (i = 0; i < n; i++) {
GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = lut[CLAMP(j, 0, max)];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] =
rgba[i][ACOMP] = c;
}
break;
case GL_LUMINANCE:
/* replace RGB with L */
for (i = 0; i < n; i++) {
GLint j = IROUND(rgba[i][RCOMP] * scale);
GLfloat c = lut[CLAMP(j, 0, max)];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = c;
}
break;
case GL_ALPHA:
/* replace A with A */
for (i = 0; i < n; i++) {
GLint j = IROUND(rgba[i][ACOMP] * scale);
rgba[i][ACOMP] = lut[CLAMP(j, 0, max)];
}
break;
case GL_LUMINANCE_ALPHA:
/* replace RGBA with LLLA */
for (i = 0; i < n; i++) {
GLint jL = IROUND(rgba[i][RCOMP] * scale);
GLint jA = IROUND(rgba[i][ACOMP] * scale);
GLfloat luminance, alpha;
jL = CLAMP(jL, 0, max);
jA = CLAMP(jA, 0, max);
luminance = lut[jL * 2 + 0];
alpha = lut[jA * 2 + 1];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = luminance;
rgba[i][ACOMP] = alpha;;
}
break;
case GL_RED:
/* replace RGB with RGB */
for (i = 0; i < n; i++) {
GLint jR = IROUND(rgba[i][RCOMP] * scale);
jR = CLAMP(jR, 0, max);
rgba[i][RCOMP] = lut[jR * 3 + 0];
}
break;
case GL_RG:
/* replace RG with RG */
for (i = 0; i < n; i++) {
GLint jR = IROUND(rgba[i][RCOMP] * scale);
GLint jG = IROUND(rgba[i][GCOMP] * scale);
jR = CLAMP(jR, 0, max);
jG = CLAMP(jG, 0, max);
rgba[i][RCOMP] = lut[jR * 3 + 0];
rgba[i][GCOMP] = lut[jG * 3 + 1];
}
break;
case GL_RGB:
/* replace RGB with RGB */
for (i = 0; i < n; i++) {
GLint jR = IROUND(rgba[i][RCOMP] * scale);
GLint jG = IROUND(rgba[i][GCOMP] * scale);
GLint jB = IROUND(rgba[i][BCOMP] * scale);
jR = CLAMP(jR, 0, max);
jG = CLAMP(jG, 0, max);
jB = CLAMP(jB, 0, max);
rgba[i][RCOMP] = lut[jR * 3 + 0];
rgba[i][GCOMP] = lut[jG * 3 + 1];
rgba[i][BCOMP] = lut[jB * 3 + 2];
}
break;
case GL_RGBA:
/* replace RGBA with RGBA */
for (i = 0; i < n; i++) {
GLint jR = IROUND(rgba[i][RCOMP] * scale);
GLint jG = IROUND(rgba[i][GCOMP] * scale);
GLint jB = IROUND(rgba[i][BCOMP] * scale);
GLint jA = IROUND(rgba[i][ACOMP] * scale);
jR = CLAMP(jR, 0, max);
jG = CLAMP(jG, 0, max);
jB = CLAMP(jB, 0, max);
jA = CLAMP(jA, 0, max);
rgba[i][RCOMP] = lut[jR * 4 + 0];
rgba[i][GCOMP] = lut[jG * 4 + 1];
rgba[i][BCOMP] = lut[jB * 4 + 2];
rgba[i][ACOMP] = lut[jA * 4 + 3];
}
break;
default:
_mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_float");
return;
}
}
/**
* Apply a color table lookup to an array of ubyte/RGBA colors.
*/
void
_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
GLuint n, GLubyte rgba[][4])
{
const GLubyte *lut = table->TableUB;
const GLfloat scale = (GLfloat) (table->Size - 1) / (GLfloat)255.0;
GLuint i;
if (!table->TableUB || table->Size == 0)
return;
switch (table->_BaseFormat) {
case GL_INTENSITY:
/* replace RGBA with I */
if (table->Size == 256) {
for (i = 0; i < n; i++) {
const GLubyte c = lut[rgba[i][RCOMP]];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] =
rgba[i][ACOMP] = c;
}
}
else {
for (i = 0; i < n; i++) {
GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] =
rgba[i][ACOMP] = lut[j];
}
}
break;
case GL_LUMINANCE:
/* replace RGB with L */
if (table->Size == 256) {
for (i = 0; i < n; i++) {
const GLubyte c = lut[rgba[i][RCOMP]];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = c;
}
}
else {
for (i = 0; i < n; i++) {
GLint j = IROUND((GLfloat) rgba[i][RCOMP] * scale);
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = lut[j];
}
}
break;
case GL_ALPHA:
/* replace A with A */
if (table->Size == 256) {
for (i = 0; i < n; i++) {
rgba[i][ACOMP] = lut[rgba[i][ACOMP]];
}
}
else {
for (i = 0; i < n; i++) {
GLint j = IROUND((GLfloat) rgba[i][ACOMP] * scale);
rgba[i][ACOMP] = lut[j];
}
}
break;
case GL_LUMINANCE_ALPHA:
/* replace RGBA with LLLA */
if (table->Size == 256) {
for (i = 0; i < n; i++) {
GLubyte l = lut[rgba[i][RCOMP] * 2 + 0];
GLubyte a = lut[rgba[i][ACOMP] * 2 + 1];;
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = l;
rgba[i][ACOMP] = a;
}
}
else {
for (i = 0; i < n; i++) {
GLint jL = IROUND((GLfloat) rgba[i][RCOMP] * scale);
GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
GLubyte luminance = lut[jL * 2 + 0];
GLubyte alpha = lut[jA * 2 + 1];
rgba[i][RCOMP] =
rgba[i][GCOMP] =
rgba[i][BCOMP] = luminance;
rgba[i][ACOMP] = alpha;
}
}
break;
case GL_RGB:
if (table->Size == 256) {
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 3 + 0];
rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 3 + 1];
rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 3 + 2];
}
}
else {
for (i = 0; i < n; i++) {
GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
rgba[i][RCOMP] = lut[jR * 3 + 0];
rgba[i][GCOMP] = lut[jG * 3 + 1];
rgba[i][BCOMP] = lut[jB * 3 + 2];
}
}
break;
case GL_RGBA:
if (table->Size == 256) {
for (i = 0; i < n; i++) {
rgba[i][RCOMP] = lut[rgba[i][RCOMP] * 4 + 0];
rgba[i][GCOMP] = lut[rgba[i][GCOMP] * 4 + 1];
rgba[i][BCOMP] = lut[rgba[i][BCOMP] * 4 + 2];
rgba[i][ACOMP] = lut[rgba[i][ACOMP] * 4 + 3];
}
}
else {
for (i = 0; i < n; i++) {
GLint jR = IROUND((GLfloat) rgba[i][RCOMP] * scale);
GLint jG = IROUND((GLfloat) rgba[i][GCOMP] * scale);
GLint jB = IROUND((GLfloat) rgba[i][BCOMP] * scale);
GLint jA = IROUND((GLfloat) rgba[i][ACOMP] * scale);
CLAMPED_FLOAT_TO_CHAN(rgba[i][RCOMP], lut[jR * 4 + 0]);
CLAMPED_FLOAT_TO_CHAN(rgba[i][GCOMP], lut[jG * 4 + 1]);
CLAMPED_FLOAT_TO_CHAN(rgba[i][BCOMP], lut[jB * 4 + 2]);
CLAMPED_FLOAT_TO_CHAN(rgba[i][ACOMP], lut[jA * 4 + 3]);
}
}
break;
default:
_mesa_problem(NULL, "Bad format in _mesa_lookup_rgba_chan");
return;
}
}
/*
* Map color indexes to float rgba values.
*/
void
_mesa_map_ci_to_rgba( const struct gl_context *ctx, GLuint n,
const GLuint index[], GLfloat rgba[][4] )
{
GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
const GLfloat *rMap = ctx->PixelMaps.ItoR.Map;
const GLfloat *gMap = ctx->PixelMaps.ItoG.Map;
const GLfloat *bMap = ctx->PixelMaps.ItoB.Map;
const GLfloat *aMap = ctx->PixelMaps.ItoA.Map;
GLuint i;
for (i=0;i<n;i++) {
rgba[i][RCOMP] = rMap[index[i] & rmask];
rgba[i][GCOMP] = gMap[index[i] & gmask];
rgba[i][BCOMP] = bMap[index[i] & bmask];
rgba[i][ACOMP] = aMap[index[i] & amask];
}
}
/**
* Map ubyte color indexes to ubyte/RGBA values.
*/
void
_mesa_map_ci8_to_rgba8(const struct gl_context *ctx,
GLuint n, const GLubyte index[],
GLubyte rgba[][4])
{
GLuint rmask = ctx->PixelMaps.ItoR.Size - 1;
GLuint gmask = ctx->PixelMaps.ItoG.Size - 1;
GLuint bmask = ctx->PixelMaps.ItoB.Size - 1;
GLuint amask = ctx->PixelMaps.ItoA.Size - 1;
const GLubyte *rMap = ctx->PixelMaps.ItoR.Map8;
const GLubyte *gMap = ctx->PixelMaps.ItoG.Map8;
const GLubyte *bMap = ctx->PixelMaps.ItoB.Map8;
const GLubyte *aMap = ctx->PixelMaps.ItoA.Map8;
GLuint i;
for (i=0;i<n;i++) {
rgba[i][RCOMP] = rMap[index[i] & rmask];
rgba[i][GCOMP] = gMap[index[i] & gmask];
rgba[i][BCOMP] = bMap[index[i] & bmask];
rgba[i][ACOMP] = aMap[index[i] & amask];
}
}
void
_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
GLfloat depthValues[])
{
const GLfloat scale = ctx->Pixel.DepthScale;
const GLfloat bias = ctx->Pixel.DepthBias;
GLuint i;
for (i = 0; i < n; i++) {
GLfloat d = depthValues[i] * scale + bias;
depthValues[i] = CLAMP(d, 0.0F, 1.0F);
}
}
void
_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
GLuint depthValues[])
{
const GLdouble max = (double) 0xffffffff;
const GLdouble scale = ctx->Pixel.DepthScale;
const GLdouble bias = ctx->Pixel.DepthBias * max;
GLuint i;
for (i = 0; i < n; i++) {
GLdouble d = (GLdouble) depthValues[i] * scale + bias;
d = CLAMP(d, 0.0, max);
depthValues[i] = (GLuint) d;
}
}
/**
* Apply various pixel transfer operations to an array of RGBA pixels
* as indicated by the transferOps bitmask
*/
void
_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLfloat rgba[][4])
{
/* scale & bias */
if (transferOps & IMAGE_SCALE_BIAS_BIT) {
_mesa_scale_and_bias_rgba(n, rgba,
ctx->Pixel.RedScale, ctx->Pixel.GreenScale,
ctx->Pixel.BlueScale, ctx->Pixel.AlphaScale,
ctx->Pixel.RedBias, ctx->Pixel.GreenBias,
ctx->Pixel.BlueBias, ctx->Pixel.AlphaBias);
}
/* color map lookup */
if (transferOps & IMAGE_MAP_COLOR_BIT) {
_mesa_map_rgba( ctx, n, rgba );
}
/* clamping to [0,1] */
if (transferOps & IMAGE_CLAMP_BIT) {
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);
}
}
}
/*
* Apply color index shift and offset to an array of pixels.
*/
void
_mesa_shift_and_offset_ci(const struct gl_context *ctx,
GLuint n, GLuint indexes[])
{
GLint shift = ctx->Pixel.IndexShift;
GLint offset = ctx->Pixel.IndexOffset;
GLuint i;
if (shift > 0) {
for (i=0;i<n;i++) {
indexes[i] = (indexes[i] << shift) + offset;
}
}
else if (shift < 0) {
shift = -shift;
for (i=0;i<n;i++) {
indexes[i] = (indexes[i] >> shift) + offset;
}
}
else {
for (i=0;i<n;i++) {
indexes[i] = indexes[i] + offset;
}
}
}
/**
* Apply color index shift, offset and table lookup to an array
* of color indexes;
*/
void
_mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
GLbitfield transferOps,
GLuint n, GLuint indexes[])
{
if (transferOps & IMAGE_SHIFT_OFFSET_BIT) {
_mesa_shift_and_offset_ci(ctx, n, indexes);
}
if (transferOps & IMAGE_MAP_COLOR_BIT) {
const GLuint mask = ctx->PixelMaps.ItoI.Size - 1;
GLuint i;
for (i = 0; i < n; i++) {
const GLuint j = indexes[i] & mask;
indexes[i] = IROUND(ctx->PixelMaps.ItoI.Map[j]);
}
}
}
/**
* Apply stencil index shift, offset and table lookup to an array
* of stencil values.
*/
void
_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
GLstencil stencil[])
{
if (ctx->Pixel.IndexShift != 0 || ctx->Pixel.IndexOffset != 0) {
const GLint offset = ctx->Pixel.IndexOffset;
GLint shift = ctx->Pixel.IndexShift;
GLuint i;
if (shift > 0) {
for (i = 0; i < n; i++) {
stencil[i] = (stencil[i] << shift) + offset;
}
}
else if (shift < 0) {
shift = -shift;
for (i = 0; i < n; i++) {
stencil[i] = (stencil[i] >> shift) + offset;
}
}
else {
for (i = 0; i < n; i++) {
stencil[i] = stencil[i] + offset;
}
}
}
if (ctx->Pixel.MapStencilFlag) {
GLuint mask = ctx->PixelMaps.StoS.Size - 1;
GLuint i;
for (i = 0; i < n; i++) {
stencil[i] = (GLstencil)ctx->PixelMaps.StoS.Map[ stencil[i] & mask ];
}
}
}
src/mesa/main/pixeltransfer.h
+90
View File
@@ -0,0 +1,90 @@
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009-2010 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef PIXELTRANSFER_H
#define PIXELTRANSFER_H
#include "mtypes.h"
extern void
_mesa_scale_and_bias_rgba(GLuint n, GLfloat rgba[][4],
GLfloat rScale, GLfloat gScale,
GLfloat bScale, GLfloat aScale,
GLfloat rBias, GLfloat gBias,
GLfloat bBias, GLfloat aBias);
extern void
_mesa_map_rgba(const struct gl_context *ctx, GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_float(const struct gl_color_table *table,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_lookup_rgba_ubyte(const struct gl_color_table *table,
GLuint n, GLubyte rgba[][4]);
extern void
_mesa_map_ci_to_rgba(const struct gl_context *ctx,
GLuint n, const GLuint index[], GLfloat rgba[][4]);
extern void
_mesa_map_ci8_to_rgba8(const struct gl_context *ctx,
GLuint n, const GLubyte index[],
GLubyte rgba[][4]);
extern void
_mesa_scale_and_bias_depth(const struct gl_context *ctx, GLuint n,
GLfloat depthValues[]);
extern void
_mesa_scale_and_bias_depth_uint(const struct gl_context *ctx, GLuint n,
GLuint depthValues[]);
extern void
_mesa_apply_rgba_transfer_ops(struct gl_context *ctx, GLbitfield transferOps,
GLuint n, GLfloat rgba[][4]);
extern void
_mesa_shift_and_offset_ci(const struct gl_context *ctx,
GLuint n, GLuint indexes[]);
extern void
_mesa_apply_ci_transfer_ops(const struct gl_context *ctx,
GLbitfield transferOps,
GLuint n, GLuint indexes[]);
extern void
_mesa_apply_stencil_transfer_ops(const struct gl_context *ctx, GLuint n,
GLstencil stencil[]);
#endif
src/mesa/main/polygon.c
+1
View File
@@ -34,6 +34,7 @@
#include "context.h"
#include "image.h"
#include "enums.h"
#include "pack.h"
#include "polygon.h"
#include "mtypes.h"
src/mesa/main/texgetimage.c
+1
View File
@@ -35,6 +35,7 @@
#include "context.h"
#include "formats.h"
#include "image.h"
#include "pack.h"
#include "texgetimage.h"
#include "teximage.h"
src/mesa/main/texstore.c
+2
View File
@@ -58,7 +58,9 @@
#include "image.h"
#include "macros.h"
#include "mipmap.h"
#include "pack.h"
#include "imports.h"
#include "pack.h"
#include "texcompress.h"
#include "texcompress_fxt1.h"
#include "texcompress_s3tc.h"
src/mesa/sources.mak
+2
View File
@@ -58,8 +58,10 @@ MAIN_SOURCES = \
main/mm.c \
main/multisample.c \
main/nvprogram.c \
main/pack.c \
main/pixel.c \
main/pixelstore.c \
main/pixeltransfer.c \
main/points.c \
main/polygon.c \
main/queryobj.c \
src/mesa/state_tracker/st_cb_drawpixels.c
+1
View File
@@ -34,6 +34,7 @@
#include "main/image.h"
#include "main/bufferobj.h"
#include "main/macros.h"
#include "main/pack.h"
#include "main/texformat.h"
#include "main/texstore.h"
#include "program/program.h"
src/mesa/state_tracker/st_cb_readpixels.c
+1
View File
@@ -37,6 +37,7 @@
#include "main/bufferobj.h"
#include "main/context.h"
#include "main/image.h"
#include "main/pack.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
src/mesa/state_tracker/st_cb_texture.c
+2
View File
@@ -34,6 +34,8 @@
#include "main/imports.h"
#include "main/macros.h"
#include "main/mipmap.h"
#include "main/pack.h"
#include "main/pixeltransfer.h"
#include "main/texcompress.h"
#include "main/texfetch.h"
#include "main/texgetimage.h"
src/mesa/swrast/s_copypix.c
+1 -1
View File
@@ -27,8 +27,8 @@
#include "main/context.h"
#include "main/colormac.h"
#include "main/condrender.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/pixeltransfer.h"
#include "main/imports.h"
#include "s_context.h"
src/mesa/swrast/s_drawpix.c
+3 -1
View File
@@ -28,8 +28,10 @@
#include "main/condrender.h"
#include "main/context.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/pack.h"
#include "main/pixeltransfer.h"
#include "main/state.h"
#include "s_context.h"
src/mesa/swrast/s_readpix.c
+2 -1
View File
@@ -29,8 +29,9 @@
#include "main/feedback.h"
#include "main/formats.h"
#include "main/image.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/pack.h"
#include "main/state.h"
#include "s_context.h"
src/mesa/swrast/s_texcombine.c
+1 -1
View File
@@ -27,8 +27,8 @@
#include "main/glheader.h"
#include "main/context.h"
#include "main/colormac.h"
#include "main/image.h"
#include "main/imports.h"
#include "main/pixeltransfer.h"
#include "program/prog_instruction.h"
#include "s_context.h"