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authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/mesa/main/convolve.c
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
downloadvcxsrv-807c6931fe683fd844ceec1b023232181e6aae03.tar.gz
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xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/main/convolve.c')
-rw-r--r--mesalib/src/mesa/main/convolve.c1642
1 files changed, 181 insertions, 1461 deletions
diff --git a/mesalib/src/mesa/main/convolve.c b/mesalib/src/mesa/main/convolve.c
index f63bddc44..cd725bb01 100644
--- a/mesalib/src/mesa/main/convolve.c
+++ b/mesalib/src/mesa/main/convolve.c
@@ -1,1461 +1,181 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.2
- *
- * Copyright (C) 1999-2006 Brian Paul 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
- * BRIAN PAUL 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.
- */
-
-
-/*
- * Image convolution functions.
- *
- * Notes: filter kernel elements are indexed by <n> and <m> as in
- * the GL spec.
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "colormac.h"
-#include "convolve.h"
-#include "context.h"
-#include "image.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "state.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_convolve
-
-
-/*
- * Given an internalFormat token passed to glConvolutionFilter
- * or glSeparableFilter, return the corresponding base format.
- * Return -1 if invalid token.
- */
-static GLint
-base_filter_format( GLenum format )
-{
- switch (format) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return GL_ALPHA;
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return GL_LUMINANCE_ALPHA;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return GL_INTENSITY;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return GL_RGB;
- case 4:
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return GL_RGBA;
- default:
- return -1; /* error */
- }
-}
-
-
-void GLAPIENTRY
-_mesa_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *image)
-{
- GLint baseFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_1D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter1D(width)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter1D(format or type)");
- return;
- }
-
- if (format == GL_COLOR_INDEX ||
- format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_COMPONENT ||
- format == GL_INTENSITY ||
- type == GL_BITMAP) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(format or type)");
- return;
- }
-
- ctx->Convolution1D.Format = format;
- ctx->Convolution1D.InternalFormat = internalFormat;
- ctx->Convolution1D.Width = width;
- ctx->Convolution1D.Height = 1;
-
- image = _mesa_map_validate_pbo_source(ctx,
- 1, &ctx->Unpack, width, 1, 1,
- format, type, image,
- "glConvolutionFilter1D");
- if (!image)
- return;
-
- _mesa_unpack_color_span_float(ctx, width, GL_RGBA,
- ctx->Convolution1D.Filter,
- format, type, image, &ctx->Unpack,
- 0); /* transferOps */
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-
- _mesa_scale_and_bias_rgba(width,
- (GLfloat (*)[4]) ctx->Convolution1D.Filter,
- ctx->Pixel.ConvolutionFilterScale[0][0],
- ctx->Pixel.ConvolutionFilterScale[0][1],
- ctx->Pixel.ConvolutionFilterScale[0][2],
- ctx->Pixel.ConvolutionFilterScale[0][3],
- ctx->Pixel.ConvolutionFilterBias[0][0],
- ctx->Pixel.ConvolutionFilterBias[0][1],
- ctx->Pixel.ConvolutionFilterBias[0][2],
- ctx->Pixel.ConvolutionFilterBias[0][3]);
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-void GLAPIENTRY
-_mesa_ConvolutionFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image)
-{
- GLint baseFormat;
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_2D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(height)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter2D(format or type)");
- return;
- }
- if (format == GL_COLOR_INDEX ||
- format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_COMPONENT ||
- format == GL_INTENSITY ||
- type == GL_BITMAP) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(format or type)");
- return;
- }
-
- /* this should have been caught earlier */
- assert(_mesa_components_in_format(format));
-
- ctx->Convolution2D.Format = format;
- ctx->Convolution2D.InternalFormat = internalFormat;
- ctx->Convolution2D.Width = width;
- ctx->Convolution2D.Height = height;
-
- image = _mesa_map_validate_pbo_source(ctx,
- 2, &ctx->Unpack, width, height, 1,
- format, type, image,
- "glConvolutionFilter2D");
- if (!image)
- return;
-
- /* Unpack filter image. We always store filters in RGBA format. */
- for (i = 0; i < height; i++) {
- const GLvoid *src = _mesa_image_address2d(&ctx->Unpack, image, width,
- height, format, type, i, 0);
- GLfloat *dst = ctx->Convolution2D.Filter + i * width * 4;
- _mesa_unpack_color_span_float(ctx, width, GL_RGBA, dst,
- format, type, src, &ctx->Unpack,
- 0); /* transferOps */
- }
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-
- _mesa_scale_and_bias_rgba(width * height,
- (GLfloat (*)[4]) ctx->Convolution2D.Filter,
- ctx->Pixel.ConvolutionFilterScale[1][0],
- ctx->Pixel.ConvolutionFilterScale[1][1],
- ctx->Pixel.ConvolutionFilterScale[1][2],
- ctx->Pixel.ConvolutionFilterScale[1][3],
- ctx->Pixel.ConvolutionFilterBias[1][0],
- ctx->Pixel.ConvolutionFilterBias[1][1],
- ctx->Pixel.ConvolutionFilterBias[1][2],
- ctx->Pixel.ConvolutionFilterBias[1][3]);
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-static void GLAPIENTRY
-_mesa_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat param)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_MODE:
- if (param == (GLfloat) GL_REDUCE ||
- param == (GLfloat) GL_CONSTANT_BORDER ||
- param == (GLfloat) GL_REPLICATE_BORDER) {
- ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) param;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(params)");
- return;
- }
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-static void GLAPIENTRY
-_mesa_ConvolutionParameterfv(GLenum target, GLenum pname, const GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_COLOR:
- COPY_4V(ctx->Pixel.ConvolutionBorderColor[c], params);
- break;
- case GL_CONVOLUTION_BORDER_MODE:
- if (params[0] == (GLfloat) GL_REDUCE ||
- params[0] == (GLfloat) GL_CONSTANT_BORDER ||
- params[0] == (GLfloat) GL_REPLICATE_BORDER) {
- ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(params)");
- return;
- }
- break;
- case GL_CONVOLUTION_FILTER_SCALE:
- COPY_4V(ctx->Pixel.ConvolutionFilterScale[c], params);
- break;
- case GL_CONVOLUTION_FILTER_BIAS:
- COPY_4V(ctx->Pixel.ConvolutionFilterBias[c], params);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-static void GLAPIENTRY
-_mesa_ConvolutionParameteri(GLenum target, GLenum pname, GLint param)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_MODE:
- if (param == (GLint) GL_REDUCE ||
- param == (GLint) GL_CONSTANT_BORDER ||
- param == (GLint) GL_REPLICATE_BORDER) {
- ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) param;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(params)");
- return;
- }
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-static void GLAPIENTRY
-_mesa_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_COLOR:
- ctx->Pixel.ConvolutionBorderColor[c][0] = INT_TO_FLOAT(params[0]);
- ctx->Pixel.ConvolutionBorderColor[c][1] = INT_TO_FLOAT(params[1]);
- ctx->Pixel.ConvolutionBorderColor[c][2] = INT_TO_FLOAT(params[2]);
- ctx->Pixel.ConvolutionBorderColor[c][3] = INT_TO_FLOAT(params[3]);
- break;
- case GL_CONVOLUTION_BORDER_MODE:
- if (params[0] == (GLint) GL_REDUCE ||
- params[0] == (GLint) GL_CONSTANT_BORDER ||
- params[0] == (GLint) GL_REPLICATE_BORDER) {
- ctx->Pixel.ConvolutionBorderMode[c] = (GLenum) params[0];
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(params)");
- return;
- }
- break;
- case GL_CONVOLUTION_FILTER_SCALE:
- /* COPY_4V(ctx->Pixel.ConvolutionFilterScale[c], params); */
- /* need cast to prevent compiler warnings */
- ctx->Pixel.ConvolutionFilterScale[c][0] = (GLfloat) params[0];
- ctx->Pixel.ConvolutionFilterScale[c][1] = (GLfloat) params[1];
- ctx->Pixel.ConvolutionFilterScale[c][2] = (GLfloat) params[2];
- ctx->Pixel.ConvolutionFilterScale[c][3] = (GLfloat) params[3];
- break;
- case GL_CONVOLUTION_FILTER_BIAS:
- /* COPY_4V(ctx->Pixel.ConvolutionFilterBias[c], params); */
- /* need cast to prevent compiler warnings */
- ctx->Pixel.ConvolutionFilterBias[c][0] = (GLfloat) params[0];
- ctx->Pixel.ConvolutionFilterBias[c][1] = (GLfloat) params[1];
- ctx->Pixel.ConvolutionFilterBias[c][2] = (GLfloat) params[2];
- ctx->Pixel.ConvolutionFilterBias[c][3] = (GLfloat) params[3];
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-static void GLAPIENTRY
-_mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width)
-{
- GLint baseFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_1D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter1D(width)");
- return;
- }
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- return; /* no readbuffer - OK */
- }
-
- ctx->Driver.CopyConvolutionFilter1D( ctx, target,
- internalFormat, x, y, width);
-}
-
-
-static void GLAPIENTRY
-_mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height)
-{
- GLint baseFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_2D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(height)");
- return;
- }
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- return; /* no readbuffer - OK */
- }
-
- ctx->Driver.CopyConvolutionFilter2D( ctx, target, internalFormat, x, y,
- width, height );
-}
-
-
-static void GLAPIENTRY
-_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type,
- GLvoid *image)
-{
- struct gl_convolution_attrib *filter;
- GLuint row;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionFilter(format or type)");
- return;
- }
-
- if (format == GL_COLOR_INDEX ||
- format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_COMPONENT ||
- format == GL_INTENSITY ||
- type == GL_BITMAP) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)");
- return;
- }
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- filter = &(ctx->Convolution1D);
- break;
- case GL_CONVOLUTION_2D:
- filter = &(ctx->Convolution2D);
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(target)");
- return;
- }
-
- image = _mesa_map_validate_pbo_dest(ctx, 2, &ctx->Pack,
- filter->Width, filter->Height, 1,
- format, type, image,
- "glGetConvolutionFilter");
- if (!image)
- return;
-
- for (row = 0; row < filter->Height; row++) {
- GLvoid *dst = _mesa_image_address2d(&ctx->Pack, image, filter->Width,
- filter->Height, format, type,
- row, 0);
- GLfloat (*src)[4] = (GLfloat (*)[4]) (filter->Filter + row * filter->Width * 4);
- _mesa_pack_rgba_span_float(ctx, filter->Width, src,
- format, type, dst, &ctx->Pack, 0x0);
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-static void GLAPIENTRY
-_mesa_GetConvolutionParameterfv(GLenum target, GLenum pname, GLfloat *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- const struct gl_convolution_attrib *conv;
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- conv = &ctx->Convolution1D;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- conv = &ctx->Convolution2D;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- conv = &ctx->Separable2D;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_COLOR:
- COPY_4V(params, ctx->Pixel.ConvolutionBorderColor[c]);
- break;
- case GL_CONVOLUTION_BORDER_MODE:
- *params = (GLfloat) ctx->Pixel.ConvolutionBorderMode[c];
- break;
- case GL_CONVOLUTION_FILTER_SCALE:
- COPY_4V(params, ctx->Pixel.ConvolutionFilterScale[c]);
- break;
- case GL_CONVOLUTION_FILTER_BIAS:
- COPY_4V(params, ctx->Pixel.ConvolutionFilterBias[c]);
- break;
- case GL_CONVOLUTION_FORMAT:
- *params = (GLfloat) conv->Format;
- break;
- case GL_CONVOLUTION_WIDTH:
- *params = (GLfloat) conv->Width;
- break;
- case GL_CONVOLUTION_HEIGHT:
- *params = (GLfloat) conv->Height;
- break;
- case GL_MAX_CONVOLUTION_WIDTH:
- *params = (GLfloat) ctx->Const.MaxConvolutionWidth;
- break;
- case GL_MAX_CONVOLUTION_HEIGHT:
- *params = (GLfloat) ctx->Const.MaxConvolutionHeight;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv(pname)");
- return;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetConvolutionParameteriv(GLenum target, GLenum pname, GLint *params)
-{
- GET_CURRENT_CONTEXT(ctx);
- const struct gl_convolution_attrib *conv;
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
- case GL_CONVOLUTION_1D:
- c = 0;
- conv = &ctx->Convolution1D;
- break;
- case GL_CONVOLUTION_2D:
- c = 1;
- conv = &ctx->Convolution2D;
- break;
- case GL_SEPARABLE_2D:
- c = 2;
- conv = &ctx->Separable2D;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv(target)");
- return;
- }
-
- switch (pname) {
- case GL_CONVOLUTION_BORDER_COLOR:
- params[0] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][0]);
- params[1] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][1]);
- params[2] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][2]);
- params[3] = FLOAT_TO_INT(ctx->Pixel.ConvolutionBorderColor[c][3]);
- break;
- case GL_CONVOLUTION_BORDER_MODE:
- *params = (GLint) ctx->Pixel.ConvolutionBorderMode[c];
- break;
- case GL_CONVOLUTION_FILTER_SCALE:
- params[0] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][0];
- params[1] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][1];
- params[2] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][2];
- params[3] = (GLint) ctx->Pixel.ConvolutionFilterScale[c][3];
- break;
- case GL_CONVOLUTION_FILTER_BIAS:
- params[0] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][0];
- params[1] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][1];
- params[2] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][2];
- params[3] = (GLint) ctx->Pixel.ConvolutionFilterBias[c][3];
- break;
- case GL_CONVOLUTION_FORMAT:
- *params = (GLint) conv->Format;
- break;
- case GL_CONVOLUTION_WIDTH:
- *params = (GLint) conv->Width;
- break;
- case GL_CONVOLUTION_HEIGHT:
- *params = (GLint) conv->Height;
- break;
- case GL_MAX_CONVOLUTION_WIDTH:
- *params = (GLint) ctx->Const.MaxConvolutionWidth;
- break;
- case GL_MAX_CONVOLUTION_HEIGHT:
- *params = (GLint) ctx->Const.MaxConvolutionHeight;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv(pname)");
- return;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type,
- GLvoid *row, GLvoid *column, GLvoid *span)
-{
- const GLint colStart = MAX_CONVOLUTION_WIDTH * 4;
- struct gl_convolution_attrib *filter;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- if (target != GL_SEPARABLE_2D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetSeparableFilter(target)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetConvolutionFilter(format or type)");
- return;
- }
-
- if (format == GL_COLOR_INDEX ||
- format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_COMPONENT ||
- format == GL_INTENSITY ||
- type == GL_BITMAP) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)");
- return;
- }
-
- filter = &ctx->Separable2D;
-
- /* Get row filter */
- row = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack,
- filter->Width, 1, 1,
- format, type, row,
- "glGetConvolutionFilter");
- if (row) {
- GLvoid *dst = _mesa_image_address1d(&ctx->Pack, row, filter->Width,
- format, type, 0);
- _mesa_pack_rgba_span_float(ctx, filter->Width,
- (GLfloat (*)[4]) filter->Filter,
- format, type, dst, &ctx->Pack, 0x0);
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
- }
-
- /* get column filter */
- column = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack,
- filter->Height, 1, 1,
- format, type, column,
- "glGetConvolutionFilter");
- if (column) {
- GLvoid *dst = _mesa_image_address1d(&ctx->Pack, column, filter->Height,
- format, type, 0);
- GLfloat (*src)[4] = (GLfloat (*)[4]) (filter->Filter + colStart);
- _mesa_pack_rgba_span_float(ctx, filter->Height, src,
- format, type, dst, &ctx->Pack, 0x0);
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
- }
-
- (void) span; /* unused at this time */
-}
-
-
-static void GLAPIENTRY
-_mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column)
-{
- const GLint colStart = MAX_CONVOLUTION_WIDTH * 4;
- GLint baseFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_SEPARABLE_2D) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(height)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glSeparableFilter2D(format or type)");
- return;
- }
-
- if (format == GL_COLOR_INDEX ||
- format == GL_STENCIL_INDEX ||
- format == GL_DEPTH_COMPONENT ||
- format == GL_INTENSITY ||
- type == GL_BITMAP) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(format or type)");
- return;
- }
-
- ctx->Separable2D.Format = format;
- ctx->Separable2D.InternalFormat = internalFormat;
- ctx->Separable2D.Width = width;
- ctx->Separable2D.Height = height;
-
- /* unpack row filter */
- row = _mesa_map_validate_pbo_source(ctx, 1, &ctx->Unpack,
- width, 1, 1,
- format, type, row,
- "glSeparableFilter2D");
- if (row) {
- _mesa_unpack_color_span_float(ctx, width, GL_RGBA,
- ctx->Separable2D.Filter,
- format, type, row, &ctx->Unpack,
- 0x0); /* transferOps */
- _mesa_scale_and_bias_rgba(width,
- (GLfloat (*)[4]) ctx->Separable2D.Filter,
- ctx->Pixel.ConvolutionFilterScale[2][0],
- ctx->Pixel.ConvolutionFilterScale[2][1],
- ctx->Pixel.ConvolutionFilterScale[2][2],
- ctx->Pixel.ConvolutionFilterScale[2][3],
- ctx->Pixel.ConvolutionFilterBias[2][0],
- ctx->Pixel.ConvolutionFilterBias[2][1],
- ctx->Pixel.ConvolutionFilterBias[2][2],
- ctx->Pixel.ConvolutionFilterBias[2][3]);
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
- }
-
- /* unpack column filter */
- column = _mesa_map_validate_pbo_source(ctx, 1, &ctx->Unpack,
- height, 1, 1,
- format, type, column,
- "glSeparableFilter2D");
- if (column) {
- _mesa_unpack_color_span_float(ctx, height, GL_RGBA,
- &ctx->Separable2D.Filter[colStart],
- format, type, column, &ctx->Unpack,
- 0); /* transferOps */
-
- _mesa_scale_and_bias_rgba(height,
- (GLfloat (*)[4]) (ctx->Separable2D.Filter + colStart),
- ctx->Pixel.ConvolutionFilterScale[2][0],
- ctx->Pixel.ConvolutionFilterScale[2][1],
- ctx->Pixel.ConvolutionFilterScale[2][2],
- ctx->Pixel.ConvolutionFilterScale[2][3],
- ctx->Pixel.ConvolutionFilterBias[2][0],
- ctx->Pixel.ConvolutionFilterBias[2][1],
- ctx->Pixel.ConvolutionFilterBias[2][2],
- ctx->Pixel.ConvolutionFilterBias[2][3]);
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
- }
-
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-/**********************************************************************/
-/*** image convolution functions ***/
-/**********************************************************************/
-
-static void
-convolve_1d_reduce(GLint srcWidth, const GLfloat src[][4],
- GLint filterWidth, const GLfloat filter[][4],
- GLfloat dest[][4])
-{
- GLint dstWidth;
- GLint i, n;
-
- if (filterWidth >= 1)
- dstWidth = srcWidth - (filterWidth - 1);
- else
- dstWidth = srcWidth;
-
- if (dstWidth <= 0)
- return; /* null result */
-
- for (i = 0; i < dstWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (n = 0; n < filterWidth; n++) {
- sumR += src[i + n][RCOMP] * filter[n][RCOMP];
- sumG += src[i + n][GCOMP] * filter[n][GCOMP];
- sumB += src[i + n][BCOMP] * filter[n][BCOMP];
- sumA += src[i + n][ACOMP] * filter[n][ACOMP];
- }
- dest[i][RCOMP] = sumR;
- dest[i][GCOMP] = sumG;
- dest[i][BCOMP] = sumB;
- dest[i][ACOMP] = sumA;
- }
-}
-
-
-static void
-convolve_1d_constant(GLint srcWidth, const GLfloat src[][4],
- GLint filterWidth, const GLfloat filter[][4],
- GLfloat dest[][4],
- const GLfloat borderColor[4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- GLint i, n;
-
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (n = 0; n < filterWidth; n++) {
- if (i + n < halfFilterWidth || i + n - halfFilterWidth >= srcWidth) {
- sumR += borderColor[RCOMP] * filter[n][RCOMP];
- sumG += borderColor[GCOMP] * filter[n][GCOMP];
- sumB += borderColor[BCOMP] * filter[n][BCOMP];
- sumA += borderColor[ACOMP] * filter[n][ACOMP];
- }
- else {
- sumR += src[i + n - halfFilterWidth][RCOMP] * filter[n][RCOMP];
- sumG += src[i + n - halfFilterWidth][GCOMP] * filter[n][GCOMP];
- sumB += src[i + n - halfFilterWidth][BCOMP] * filter[n][BCOMP];
- sumA += src[i + n - halfFilterWidth][ACOMP] * filter[n][ACOMP];
- }
- }
- dest[i][RCOMP] = sumR;
- dest[i][GCOMP] = sumG;
- dest[i][BCOMP] = sumB;
- dest[i][ACOMP] = sumA;
- }
-}
-
-
-static void
-convolve_1d_replicate(GLint srcWidth, const GLfloat src[][4],
- GLint filterWidth, const GLfloat filter[][4],
- GLfloat dest[][4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- GLint i, n;
-
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (n = 0; n < filterWidth; n++) {
- if (i + n < halfFilterWidth) {
- sumR += src[0][RCOMP] * filter[n][RCOMP];
- sumG += src[0][GCOMP] * filter[n][GCOMP];
- sumB += src[0][BCOMP] * filter[n][BCOMP];
- sumA += src[0][ACOMP] * filter[n][ACOMP];
- }
- else if (i + n - halfFilterWidth >= srcWidth) {
- sumR += src[srcWidth - 1][RCOMP] * filter[n][RCOMP];
- sumG += src[srcWidth - 1][GCOMP] * filter[n][GCOMP];
- sumB += src[srcWidth - 1][BCOMP] * filter[n][BCOMP];
- sumA += src[srcWidth - 1][ACOMP] * filter[n][ACOMP];
- }
- else {
- sumR += src[i + n - halfFilterWidth][RCOMP] * filter[n][RCOMP];
- sumG += src[i + n - halfFilterWidth][GCOMP] * filter[n][GCOMP];
- sumB += src[i + n - halfFilterWidth][BCOMP] * filter[n][BCOMP];
- sumA += src[i + n - halfFilterWidth][ACOMP] * filter[n][ACOMP];
- }
- }
- dest[i][RCOMP] = sumR;
- dest[i][GCOMP] = sumG;
- dest[i][BCOMP] = sumB;
- dest[i][ACOMP] = sumA;
- }
-}
-
-
-static void
-convolve_2d_reduce(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat filter[][4],
- GLfloat dest[][4])
-{
- GLint dstWidth, dstHeight;
- GLint i, j, n, m;
-
- if (filterWidth >= 1)
- dstWidth = srcWidth - (filterWidth - 1);
- else
- dstWidth = srcWidth;
-
- if (filterHeight >= 1)
- dstHeight = srcHeight - (filterHeight - 1);
- else
- dstHeight = srcHeight;
-
- if (dstWidth <= 0 || dstHeight <= 0)
- return;
-
- for (j = 0; j < dstHeight; j++) {
- for (i = 0; i < dstWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- const GLint k = (j + m) * srcWidth + i + n;
- const GLint f = m * filterWidth + n;
- sumR += src[k][RCOMP] * filter[f][RCOMP];
- sumG += src[k][GCOMP] * filter[f][GCOMP];
- sumB += src[k][BCOMP] * filter[f][BCOMP];
- sumA += src[k][ACOMP] * filter[f][ACOMP];
- }
- }
- dest[j * dstWidth + i][RCOMP] = sumR;
- dest[j * dstWidth + i][GCOMP] = sumG;
- dest[j * dstWidth + i][BCOMP] = sumB;
- dest[j * dstWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-static void
-convolve_2d_constant(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat filter[][4],
- GLfloat dest[][4],
- const GLfloat borderColor[4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- const GLint halfFilterHeight = filterHeight / 2;
- GLint i, j, n, m;
-
- for (j = 0; j < srcHeight; j++) {
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- const GLint f = m * filterWidth + n;
- const GLint is = i + n - halfFilterWidth;
- const GLint js = j + m - halfFilterHeight;
- if (is < 0 || is >= srcWidth ||
- js < 0 || js >= srcHeight) {
- sumR += borderColor[RCOMP] * filter[f][RCOMP];
- sumG += borderColor[GCOMP] * filter[f][GCOMP];
- sumB += borderColor[BCOMP] * filter[f][BCOMP];
- sumA += borderColor[ACOMP] * filter[f][ACOMP];
- }
- else {
- const GLint k = js * srcWidth + is;
- sumR += src[k][RCOMP] * filter[f][RCOMP];
- sumG += src[k][GCOMP] * filter[f][GCOMP];
- sumB += src[k][BCOMP] * filter[f][BCOMP];
- sumA += src[k][ACOMP] * filter[f][ACOMP];
- }
- }
- }
- dest[j * srcWidth + i][RCOMP] = sumR;
- dest[j * srcWidth + i][GCOMP] = sumG;
- dest[j * srcWidth + i][BCOMP] = sumB;
- dest[j * srcWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-static void
-convolve_2d_replicate(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat filter[][4],
- GLfloat dest[][4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- const GLint halfFilterHeight = filterHeight / 2;
- GLint i, j, n, m;
-
- for (j = 0; j < srcHeight; j++) {
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- const GLint f = m * filterWidth + n;
- GLint is = i + n - halfFilterWidth;
- GLint js = j + m - halfFilterHeight;
- GLint k;
- if (is < 0)
- is = 0;
- else if (is >= srcWidth)
- is = srcWidth - 1;
- if (js < 0)
- js = 0;
- else if (js >= srcHeight)
- js = srcHeight - 1;
- k = js * srcWidth + is;
- sumR += src[k][RCOMP] * filter[f][RCOMP];
- sumG += src[k][GCOMP] * filter[f][GCOMP];
- sumB += src[k][BCOMP] * filter[f][BCOMP];
- sumA += src[k][ACOMP] * filter[f][ACOMP];
- }
- }
- dest[j * srcWidth + i][RCOMP] = sumR;
- dest[j * srcWidth + i][GCOMP] = sumG;
- dest[j * srcWidth + i][BCOMP] = sumB;
- dest[j * srcWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-static void
-convolve_sep_reduce(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat rowFilt[][4],
- const GLfloat colFilt[][4],
- GLfloat dest[][4])
-{
- GLint dstWidth, dstHeight;
- GLint i, j, n, m;
-
- if (filterWidth >= 1)
- dstWidth = srcWidth - (filterWidth - 1);
- else
- dstWidth = srcWidth;
-
- if (filterHeight >= 1)
- dstHeight = srcHeight - (filterHeight - 1);
- else
- dstHeight = srcHeight;
-
- if (dstWidth <= 0 || dstHeight <= 0)
- return;
-
- for (j = 0; j < dstHeight; j++) {
- for (i = 0; i < dstWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- GLint k = (j + m) * srcWidth + i + n;
- sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP];
- sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP];
- sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP];
- sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP];
- }
- }
- dest[j * dstWidth + i][RCOMP] = sumR;
- dest[j * dstWidth + i][GCOMP] = sumG;
- dest[j * dstWidth + i][BCOMP] = sumB;
- dest[j * dstWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-static void
-convolve_sep_constant(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat rowFilt[][4],
- const GLfloat colFilt[][4],
- GLfloat dest[][4],
- const GLfloat borderColor[4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- const GLint halfFilterHeight = filterHeight / 2;
- GLint i, j, n, m;
-
- for (j = 0; j < srcHeight; j++) {
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- const GLint is = i + n - halfFilterWidth;
- const GLint js = j + m - halfFilterHeight;
- if (is < 0 || is >= srcWidth ||
- js < 0 || js >= srcHeight) {
- sumR += borderColor[RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP];
- sumG += borderColor[GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP];
- sumB += borderColor[BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP];
- sumA += borderColor[ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP];
- }
- else {
- GLint k = js * srcWidth + is;
- sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP];
- sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP];
- sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP];
- sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP];
- }
-
- }
- }
- dest[j * srcWidth + i][RCOMP] = sumR;
- dest[j * srcWidth + i][GCOMP] = sumG;
- dest[j * srcWidth + i][BCOMP] = sumB;
- dest[j * srcWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-static void
-convolve_sep_replicate(GLint srcWidth, GLint srcHeight,
- const GLfloat src[][4],
- GLint filterWidth, GLint filterHeight,
- const GLfloat rowFilt[][4],
- const GLfloat colFilt[][4],
- GLfloat dest[][4])
-{
- const GLint halfFilterWidth = filterWidth / 2;
- const GLint halfFilterHeight = filterHeight / 2;
- GLint i, j, n, m;
-
- for (j = 0; j < srcHeight; j++) {
- for (i = 0; i < srcWidth; i++) {
- GLfloat sumR = 0.0;
- GLfloat sumG = 0.0;
- GLfloat sumB = 0.0;
- GLfloat sumA = 0.0;
- for (m = 0; m < filterHeight; m++) {
- for (n = 0; n < filterWidth; n++) {
- GLint is = i + n - halfFilterWidth;
- GLint js = j + m - halfFilterHeight;
- GLint k;
- if (is < 0)
- is = 0;
- else if (is >= srcWidth)
- is = srcWidth - 1;
- if (js < 0)
- js = 0;
- else if (js >= srcHeight)
- js = srcHeight - 1;
- k = js * srcWidth + is;
- sumR += src[k][RCOMP] * rowFilt[n][RCOMP] * colFilt[m][RCOMP];
- sumG += src[k][GCOMP] * rowFilt[n][GCOMP] * colFilt[m][GCOMP];
- sumB += src[k][BCOMP] * rowFilt[n][BCOMP] * colFilt[m][BCOMP];
- sumA += src[k][ACOMP] * rowFilt[n][ACOMP] * colFilt[m][ACOMP];
- }
- }
- dest[j * srcWidth + i][RCOMP] = sumR;
- dest[j * srcWidth + i][GCOMP] = sumG;
- dest[j * srcWidth + i][BCOMP] = sumB;
- dest[j * srcWidth + i][ACOMP] = sumA;
- }
- }
-}
-
-
-
-void
-_mesa_convolve_1d_image(const GLcontext *ctx, GLsizei *width,
- const GLfloat *srcImage, GLfloat *dstImage)
-{
- switch (ctx->Pixel.ConvolutionBorderMode[0]) {
- case GL_REDUCE:
- convolve_1d_reduce(*width, (const GLfloat (*)[4]) srcImage,
- ctx->Convolution1D.Width,
- (const GLfloat (*)[4]) ctx->Convolution1D.Filter,
- (GLfloat (*)[4]) dstImage);
- *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1);
- break;
- case GL_CONSTANT_BORDER:
- convolve_1d_constant(*width, (const GLfloat (*)[4]) srcImage,
- ctx->Convolution1D.Width,
- (const GLfloat (*)[4]) ctx->Convolution1D.Filter,
- (GLfloat (*)[4]) dstImage,
- ctx->Pixel.ConvolutionBorderColor[0]);
- break;
- case GL_REPLICATE_BORDER:
- convolve_1d_replicate(*width, (const GLfloat (*)[4]) srcImage,
- ctx->Convolution1D.Width,
- (const GLfloat (*)[4]) ctx->Convolution1D.Filter,
- (GLfloat (*)[4]) dstImage);
- break;
- default:
- ;
- }
-}
-
-
-void
-_mesa_convolve_2d_image(const GLcontext *ctx, GLsizei *width, GLsizei *height,
- const GLfloat *srcImage, GLfloat *dstImage)
-{
- switch (ctx->Pixel.ConvolutionBorderMode[1]) {
- case GL_REDUCE:
- convolve_2d_reduce(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Convolution2D.Width,
- ctx->Convolution2D.Height,
- (const GLfloat (*)[4]) ctx->Convolution2D.Filter,
- (GLfloat (*)[4]) dstImage);
- *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1);
- break;
- case GL_CONSTANT_BORDER:
- convolve_2d_constant(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Convolution2D.Width,
- ctx->Convolution2D.Height,
- (const GLfloat (*)[4]) ctx->Convolution2D.Filter,
- (GLfloat (*)[4]) dstImage,
- ctx->Pixel.ConvolutionBorderColor[1]);
- break;
- case GL_REPLICATE_BORDER:
- convolve_2d_replicate(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Convolution2D.Width,
- ctx->Convolution2D.Height,
- (const GLfloat (*)[4])ctx->Convolution2D.Filter,
- (GLfloat (*)[4]) dstImage);
- break;
- default:
- ;
- }
-}
-
-
-void
-_mesa_convolve_sep_image(const GLcontext *ctx,
- GLsizei *width, GLsizei *height,
- const GLfloat *srcImage, GLfloat *dstImage)
-{
- const GLfloat *rowFilter = ctx->Separable2D.Filter;
- const GLfloat *colFilter = rowFilter + 4 * MAX_CONVOLUTION_WIDTH;
-
- switch (ctx->Pixel.ConvolutionBorderMode[2]) {
- case GL_REDUCE:
- convolve_sep_reduce(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Separable2D.Width,
- ctx->Separable2D.Height,
- (const GLfloat (*)[4]) rowFilter,
- (const GLfloat (*)[4]) colFilter,
- (GLfloat (*)[4]) dstImage);
- *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1);
- break;
- case GL_CONSTANT_BORDER:
- convolve_sep_constant(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Separable2D.Width,
- ctx->Separable2D.Height,
- (const GLfloat (*)[4]) rowFilter,
- (const GLfloat (*)[4]) colFilter,
- (GLfloat (*)[4]) dstImage,
- ctx->Pixel.ConvolutionBorderColor[2]);
- break;
- case GL_REPLICATE_BORDER:
- convolve_sep_replicate(*width, *height,
- (const GLfloat (*)[4]) srcImage,
- ctx->Separable2D.Width,
- ctx->Separable2D.Height,
- (const GLfloat (*)[4]) rowFilter,
- (const GLfloat (*)[4]) colFilter,
- (GLfloat (*)[4]) dstImage);
- break;
- default:
- ;
- }
-}
-
-
-
-/*
- * This function computes an image's size after convolution.
- * If the convolution border mode is GL_REDUCE, the post-convolution
- * image will be smaller than the original.
- */
-void
-_mesa_adjust_image_for_convolution(const GLcontext *ctx, GLuint dimensions,
- GLsizei *width, GLsizei *height)
-{
- if (ctx->Pixel.Convolution1DEnabled
- && dimensions == 1
- && ctx->Pixel.ConvolutionBorderMode[0] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution1D.Width, 1) - 1);
- }
- else if (ctx->Pixel.Convolution2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[1] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Convolution2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Convolution2D.Height, 1) - 1);
- }
- else if (ctx->Pixel.Separable2DEnabled
- && dimensions > 1
- && ctx->Pixel.ConvolutionBorderMode[2] == GL_REDUCE) {
- *width = *width - (MAX2(ctx->Separable2D.Width, 1) - 1);
- *height = *height - (MAX2(ctx->Separable2D.Height, 1) - 1);
- }
-}
-
-
-void
-_mesa_init_convolve_dispatch(struct _glapi_table *disp)
-{
- SET_ConvolutionFilter1D(disp, _mesa_ConvolutionFilter1D);
- SET_ConvolutionFilter2D(disp, _mesa_ConvolutionFilter2D);
- SET_ConvolutionParameterf(disp, _mesa_ConvolutionParameterf);
- SET_ConvolutionParameterfv(disp, _mesa_ConvolutionParameterfv);
- SET_ConvolutionParameteri(disp, _mesa_ConvolutionParameteri);
- SET_ConvolutionParameteriv(disp, _mesa_ConvolutionParameteriv);
- SET_CopyConvolutionFilter1D(disp, _mesa_CopyConvolutionFilter1D);
- SET_CopyConvolutionFilter2D(disp, _mesa_CopyConvolutionFilter2D);
- SET_GetConvolutionFilter(disp, _mesa_GetConvolutionFilter);
- SET_GetConvolutionParameterfv(disp, _mesa_GetConvolutionParameterfv);
- SET_GetConvolutionParameteriv(disp, _mesa_GetConvolutionParameteriv);
- SET_SeparableFilter2D(disp, _mesa_SeparableFilter2D);
- SET_GetSeparableFilter(disp, _mesa_GetSeparableFilter);
-}
-
-
-#endif /* FEATURE_convolve */
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.2
+ *
+ * Copyright (C) 1999-2006 Brian Paul 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
+ * BRIAN PAUL 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.
+ */
+
+
+/*
+ * Image convolution functions.
+ *
+ * Notes: filter kernel elements are indexed by <n> and <m> as in
+ * the GL spec.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "colormac.h"
+#include "convolve.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_convolve
+
+static void GLAPIENTRY
+_mesa_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *image)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D");
+}
+
+static void GLAPIENTRY
+_mesa_ConvolutionFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D");
+}
+
+
+static void GLAPIENTRY
+_mesa_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat param)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf");
+}
+
+
+static void GLAPIENTRY
+_mesa_ConvolutionParameterfv(GLenum target, GLenum pname, const GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv");
+}
+
+
+static void GLAPIENTRY
+_mesa_ConvolutionParameteri(GLenum target, GLenum pname, GLint param)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri");
+}
+
+
+static void GLAPIENTRY
+_mesa_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv");
+}
+
+
+static void GLAPIENTRY
+_mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D");
+}
+
+
+static void GLAPIENTRY
+_mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type,
+ GLvoid *image)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionFilter");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetConvolutionParameterfv(GLenum target, GLenum pname, GLfloat *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetConvolutionParameteriv(GLenum target, GLenum pname, GLint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv");
+}
+
+
+static void GLAPIENTRY
+_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type,
+ GLvoid *row, GLvoid *column, GLvoid *span)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetSeparableFilter");
+}
+
+
+static void GLAPIENTRY
+_mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D");
+}
+
+void
+_mesa_init_convolve_dispatch(struct _glapi_table *disp)
+{
+ SET_ConvolutionFilter1D(disp, _mesa_ConvolutionFilter1D);
+ SET_ConvolutionFilter2D(disp, _mesa_ConvolutionFilter2D);
+ SET_ConvolutionParameterf(disp, _mesa_ConvolutionParameterf);
+ SET_ConvolutionParameterfv(disp, _mesa_ConvolutionParameterfv);
+ SET_ConvolutionParameteri(disp, _mesa_ConvolutionParameteri);
+ SET_ConvolutionParameteriv(disp, _mesa_ConvolutionParameteriv);
+ SET_CopyConvolutionFilter1D(disp, _mesa_CopyConvolutionFilter1D);
+ SET_CopyConvolutionFilter2D(disp, _mesa_CopyConvolutionFilter2D);
+ SET_GetConvolutionFilter(disp, _mesa_GetConvolutionFilter);
+ SET_GetConvolutionParameterfv(disp, _mesa_GetConvolutionParameterfv);
+ SET_GetConvolutionParameteriv(disp, _mesa_GetConvolutionParameteriv);
+ SET_SeparableFilter2D(disp, _mesa_SeparableFilter2D);
+ SET_GetSeparableFilter(disp, _mesa_GetSeparableFilter);
+}
+
+
+#endif /* FEATURE_convolve */