-/* $Id: convolve.c,v 1.17 2000/12/26 05:09:28 keithw Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 3.5
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * 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"),
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
*/
-#ifdef PC_HEADER
-#include "all.h"
-#else
#include "glheader.h"
-#include "colormac.h"
-#include "convolve.h"
#include "context.h"
-#include "image.h"
-#include "mtypes.h"
-#include "state.h"
-#include "swrast/s_span.h" /* XXX SWRAST hack */
-#endif
-
-
-/*
- * 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 */
- }
-}
+#include "convolve.h"
+#include "main/dispatch.h"
-void
+void GLAPIENTRY
_mesa_ConvolutionFilter1D(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *image)
{
- GLenum baseFormat;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (target != GL_CONVOLUTION_1D) {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter1D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- gl_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter1D(width)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_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) {
- gl_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;
-
- /* unpack filter image */
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA,
- ctx->Convolution1D.Filter,
- format, type, image, &ctx->Unpack,
- 0, GL_FALSE);
-
- /* apply scale and bias */
- {
- const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[0];
- const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[0];
- GLint i;
- for (i = 0; i < width; i++) {
- GLfloat r = ctx->Convolution1D.Filter[i * 4 + 0];
- GLfloat g = ctx->Convolution1D.Filter[i * 4 + 1];
- GLfloat b = ctx->Convolution1D.Filter[i * 4 + 2];
- GLfloat a = ctx->Convolution1D.Filter[i * 4 + 3];
- r = r * scale[0] + bias[0];
- g = g * scale[1] + bias[1];
- b = b * scale[2] + bias[2];
- a = a * scale[3] + bias[3];
- ctx->Convolution1D.Filter[i * 4 + 0] = r;
- ctx->Convolution1D.Filter[i * 4 + 1] = g;
- ctx->Convolution1D.Filter[i * 4 + 2] = b;
- ctx->Convolution1D.Filter[i * 4 + 3] = a;
- }
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter1D");
}
-
-void
+void GLAPIENTRY
_mesa_ConvolutionFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image)
{
- GLenum baseFormat;
- GLint i, components;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (target != GL_CONVOLUTION_2D) {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- gl_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- gl_error(ctx, GL_INVALID_VALUE, "glConvolutionFilter2D(height)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_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) {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionFilter2D(format or type)");
- return;
- }
-
- components = _mesa_components_in_format(format);
- assert(components > 0); /* this should have been caught earlier */
-
- ctx->Convolution2D.Format = format;
- ctx->Convolution2D.InternalFormat = internalFormat;
- ctx->Convolution2D.Width = width;
- ctx->Convolution2D.Height = height;
-
- /* Unpack filter image. We always store filters in RGBA format. */
- for (i = 0; i < height; i++) {
- const GLvoid *src = _mesa_image_address(&ctx->Unpack, image, width,
- height, format, type, 0, i, 0);
- GLfloat *dst = ctx->Convolution2D.Filter + i * width * 4;
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA, dst,
- format, type, src, &ctx->Unpack,
- 0, GL_FALSE);
- }
-
- /* apply scale and bias */
- {
- const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[1];
- const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[1];
- for (i = 0; i < width * height * 4; i++) {
- GLfloat r = ctx->Convolution2D.Filter[i * 4 + 0];
- GLfloat g = ctx->Convolution2D.Filter[i * 4 + 1];
- GLfloat b = ctx->Convolution2D.Filter[i * 4 + 2];
- GLfloat a = ctx->Convolution2D.Filter[i * 4 + 3];
- r = r * scale[0] + bias[0];
- g = g * scale[1] + bias[1];
- b = b * scale[2] + bias[2];
- a = a * scale[3] + bias[3];
- ctx->Convolution2D.Filter[i * 4 + 0] = r;
- ctx->Convolution2D.Filter[i * 4 + 1] = g;
- ctx->Convolution2D.Filter[i * 4 + 2] = b;
- ctx->Convolution2D.Filter[i * 4 + 3] = a;
- }
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionFilter2D");
}
-void
+void GLAPIENTRY
_mesa_ConvolutionParameterf(GLenum target, GLenum pname, GLfloat param)
{
GET_CURRENT_CONTEXT(ctx);
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END(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:
- gl_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 {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(params)");
- return;
- }
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterf(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionParameterf");
}
-void
+void GLAPIENTRY
_mesa_ConvolutionParameterfv(GLenum target, GLenum pname, const GLfloat *params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_convolution_attrib *conv;
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(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:
- gl_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 {
- gl_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:
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameterfv(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionParameterfv");
}
-void
+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:
- gl_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 {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(params)");
- return;
- }
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteri(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionParameteri");
}
-void
+void GLAPIENTRY
_mesa_ConvolutionParameteriv(GLenum target, GLenum pname, const GLint *params)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_convolution_attrib *conv;
- GLuint c;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(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:
- gl_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 {
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(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:
- gl_error(ctx, GL_INVALID_ENUM, "glConvolutionParameteriv(pname)");
- return;
- }
-
- ctx->NewState |= _NEW_PIXEL;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glConvolutionParameteriv");
}
-void
+void GLAPIENTRY
_mesa_CopyConvolutionFilter1D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width)
{
- GLenum baseFormat;
- GLchan rgba[MAX_CONVOLUTION_WIDTH][4];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_1D) {
- gl_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(target)");
- return;
- }
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter1D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- gl_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter1D(width)");
- return;
- }
-
- /* read pixels from framebuffer */
- RENDER_START(ctx);
- gl_read_rgba_span(ctx, ctx->ReadBuffer, width, x, y, (GLchan (*)[4]) rgba);
- RENDER_FINISH(ctx);
-
- /* store as convolution filter */
- _mesa_ConvolutionFilter1D(target, internalFormat, width,
- GL_RGBA, CHAN_TYPE, rgba);
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyConvolutionFilter1D");
}
-void
+void GLAPIENTRY
_mesa_CopyConvolutionFilter2D(GLenum target, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height)
{
- GLenum baseFormat;
- GLint i;
- struct gl_pixelstore_attrib packSave;
- GLchan rgba[MAX_CONVOLUTION_HEIGHT][MAX_CONVOLUTION_WIDTH][4];
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_CONVOLUTION_2D) {
- gl_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glCopyConvolutionFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- gl_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- gl_error(ctx, GL_INVALID_VALUE, "glCopyConvolutionFilter2D(height)");
- return;
- }
-
- /* read pixels from framebuffer */
- RENDER_START(ctx);
- for (i = 0; i < height; i++) {
- gl_read_rgba_span(ctx, ctx->ReadBuffer, width, x, y + i,
- (GLchan (*)[4]) rgba[i]);
- }
- RENDER_FINISH(ctx);
-
- /*
- * store as convolution filter
- */
- packSave = ctx->Unpack; /* save pixel packing params */
-
- ctx->Unpack.Alignment = 1;
- ctx->Unpack.RowLength = MAX_CONVOLUTION_WIDTH;
- ctx->Unpack.SkipPixels = 0;
- ctx->Unpack.SkipRows = 0;
- ctx->Unpack.ImageHeight = 0;
- ctx->Unpack.SkipImages = 0;
- ctx->Unpack.SwapBytes = GL_FALSE;
- ctx->Unpack.LsbFirst = GL_FALSE;
- ctx->NewState |= _NEW_PACKUNPACK;
- _mesa_ConvolutionFilter2D(target, internalFormat, width, height,
- GL_RGBA, CHAN_TYPE, rgba);
-
- ctx->Unpack = packSave; /* restore pixel packing params */
- ctx->NewState |= _NEW_PACKUNPACK;
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyConvolutionFilter2D");
}
-void
-_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type, GLvoid *image)
+void GLAPIENTRY
+_mesa_GetnConvolutionFilterARB(GLenum target, GLenum format, GLenum type,
+ GLsizei bufSize, GLvoid *image)
{
- const struct gl_convolution_attrib *filter;
- GLint row;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->NewState) {
- gl_update_state(ctx);
- }
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_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) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)");
- return;
- }
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionFilter");
+}
- switch (target) {
- case GL_CONVOLUTION_1D:
- filter = &(ctx->Convolution1D);
- break;
- case GL_CONVOLUTION_2D:
- filter = &(ctx->Convolution2D);
- break;
- default:
- gl_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(target)");
- return;
- }
- for (row = 0; row < filter->Height; row++) {
- GLvoid *dst = _mesa_image_address( &ctx->Pack, image, filter->Width,
- filter->Height, format, type,
- 0, row, 0);
- const GLfloat *src = filter->Filter + row * filter->Width * 4;
- _mesa_pack_float_rgba_span(ctx, filter->Width,
- (const GLfloat (*)[4]) src,
- format, type, dst, &ctx->Pack, 0);
- }
+void GLAPIENTRY
+_mesa_GetConvolutionFilter(GLenum target, GLenum format, GLenum type,
+ GLvoid *image)
+{
+ _mesa_GetnConvolutionFilterARB(target, format, type, INT_MAX, image);
}
-void
+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:
- gl_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:
- gl_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameterfv(pname)");
- return;
- }
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionParameterfv");
}
-void
+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:
- gl_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:
- gl_error(ctx, GL_INVALID_ENUM, "glGetConvolutionParameteriv(pname)");
- return;
- }
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetConvolutionParameteriv");
}
-void
-_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type, GLvoid *row, GLvoid *column, GLvoid *span)
+void GLAPIENTRY
+_mesa_GetnSeparableFilterARB(GLenum target, GLenum format, GLenum type,
+ GLsizei rowBufSize, GLvoid *row,
+ GLsizei columnBufSize, GLvoid *column,
+ GLvoid *span)
{
- const GLint colStart = MAX_CONVOLUTION_WIDTH * 4;
- const struct gl_convolution_attrib *filter;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->NewState) {
- gl_update_state(ctx);
- }
- if (target != GL_SEPARABLE_2D) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetSeparableFilter(target)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_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) {
- gl_error(ctx, GL_INVALID_ENUM, "glGetConvolutionFilter(format or type)");
- return;
- }
-
- filter = &ctx->Separable2D;
-
- /* Row filter */
- {
- GLvoid *dst = _mesa_image_address( &ctx->Pack, row, filter->Width,
- filter->Height, format, type,
- 0, 0, 0);
- _mesa_pack_float_rgba_span(ctx, filter->Width,
- (const GLfloat (*)[4]) filter->Filter,
- format, type, dst, &ctx->Pack, 0);
- }
-
- /* Column filter */
- {
- GLvoid *dst = _mesa_image_address( &ctx->Pack, column, filter->Width,
- 1, format, type,
- 0, 0, 0);
- const GLfloat *src = filter->Filter + colStart;
- _mesa_pack_float_rgba_span(ctx, filter->Height,
- (const GLfloat (*)[4]) src,
- format, type, dst, &ctx->Pack, 0);
- }
-
- (void) span; /* unused at this time */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetSeparableFilter");
}
-void
-_mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column)
+void GLAPIENTRY
+_mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type,
+ GLvoid *row, GLvoid *column, GLvoid *span)
{
- const GLint colStart = MAX_CONVOLUTION_WIDTH * 4;
- GLenum baseFormat;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (target != GL_SEPARABLE_2D) {
- gl_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(target)");
- return;
- }
-
- baseFormat = base_filter_format(internalFormat);
- if (baseFormat < 0 || baseFormat == GL_COLOR_INDEX) {
- gl_error(ctx, GL_INVALID_ENUM, "glSeparableFilter2D(internalFormat)");
- return;
- }
-
- if (width < 0 || width > MAX_CONVOLUTION_WIDTH) {
- gl_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(width)");
- return;
- }
- if (height < 0 || height > MAX_CONVOLUTION_HEIGHT) {
- gl_error(ctx, GL_INVALID_VALUE, "glSeparableFilter2D(height)");
- return;
- }
-
- if (!_mesa_is_legal_format_and_type(format, type)) {
- gl_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) {
- gl_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 */
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA,
- ctx->Separable2D.Filter,
- format, type, row, &ctx->Unpack,
- 0, GL_FALSE);
-
- /* apply scale and bias */
- {
- const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2];
- const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2];
- GLint i;
- for (i = 0; i < width; i++) {
- GLfloat r = ctx->Separable2D.Filter[i * 4 + 0];
- GLfloat g = ctx->Separable2D.Filter[i * 4 + 1];
- GLfloat b = ctx->Separable2D.Filter[i * 4 + 2];
- GLfloat a = ctx->Separable2D.Filter[i * 4 + 3];
- r = r * scale[0] + bias[0];
- g = g * scale[1] + bias[1];
- b = b * scale[2] + bias[2];
- a = a * scale[3] + bias[3];
- ctx->Separable2D.Filter[i * 4 + 0] = r;
- ctx->Separable2D.Filter[i * 4 + 1] = g;
- ctx->Separable2D.Filter[i * 4 + 2] = b;
- ctx->Separable2D.Filter[i * 4 + 3] = a;
- }
- }
-
- /* unpack column filter */
- _mesa_unpack_float_color_span(ctx, width, GL_RGBA,
- &ctx->Separable2D.Filter[colStart],
- format, type, column, &ctx->Unpack,
- 0, GL_FALSE);
-
- /* apply scale and bias */
- {
- const GLfloat *scale = ctx->Pixel.ConvolutionFilterScale[2];
- const GLfloat *bias = ctx->Pixel.ConvolutionFilterBias[2];
- GLint i;
- for (i = 0; i < width; i++) {
- GLfloat r = ctx->Separable2D.Filter[i * 4 + 0 + colStart];
- GLfloat g = ctx->Separable2D.Filter[i * 4 + 1 + colStart];
- GLfloat b = ctx->Separable2D.Filter[i * 4 + 2 + colStart];
- GLfloat a = ctx->Separable2D.Filter[i * 4 + 3 + colStart];
- r = r * scale[0] + bias[0];
- g = g * scale[1] + bias[1];
- b = b * scale[2] + bias[2];
- a = a * scale[3] + bias[3];
- ctx->Separable2D.Filter[i * 4 + 0 + colStart] = r;
- ctx->Separable2D.Filter[i * 4 + 1 + colStart] = g;
- ctx->Separable2D.Filter[i * 4 + 2 + colStart] = b;
- ctx->Separable2D.Filter[i * 4 + 3 + colStart] = a;
- }
- }
-
- 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;
- }
- }
+ _mesa_GetnSeparableFilterARB(target, format, type, INT_MAX, row,
+ INT_MAX, column, span);
}
-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)
+void GLAPIENTRY
+_mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column)
{
- const GLfloat *rowFilter = ctx->Separable2D.Filter;
- const GLfloat *colFilter = rowFilter + 4 * MAX_CONVOLUTION_WIDTH;
+ GET_CURRENT_CONTEXT(ctx);
- 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:
- ;
- }
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glSeparableFilter2D");
}