diff options
author | Eric Anholt <eric@anholt.net> | 2010-09-09 19:37:15 -0700 |
---|---|---|
committer | Eric Anholt <eric@anholt.net> | 2010-09-23 13:25:45 -0700 |
commit | a62efdf82c20747feb11dfd7756f0579aa914b57 (patch) | |
tree | bec6c2cfa1e9bb626fb90ecadb2b288dc5daa2a1 /src/mesa/swrast/s_copypix.c | |
parent | 73578ba9c4938db3a23198c3a2ddf843cfc4f700 (diff) |
mesa: Remove EXT_convolution.
More optional code.
Diffstat (limited to 'src/mesa/swrast/s_copypix.c')
-rw-r--r-- | src/mesa/swrast/s_copypix.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c index a9b4cb8081..c35494e385 100644 --- a/src/mesa/swrast/s_copypix.c +++ b/src/mesa/swrast/s_copypix.c @@ -27,7 +27,6 @@ #include "main/context.h" #include "main/colormac.h" #include "main/condrender.h" -#include "main/convolve.h" #include "main/image.h" #include "main/macros.h" #include "main/imports.h" @@ -94,98 +93,6 @@ regions_overlap(GLint srcx, GLint srcy, /** - * RGBA copypixels with convolution. - */ -static void -copy_conv_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy, - GLint width, GLint height, GLint destx, GLint desty) -{ - GLint row; - const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F; - const GLbitfield transferOps = ctx->_ImageTransferState; - GLfloat *dest, *tmpImage, *convImage; - SWspan span; - - INIT_SPAN(span, GL_BITMAP); - _swrast_span_default_attribs(ctx, &span); - span.arrayMask = SPAN_RGBA; - span.arrayAttribs = FRAG_BIT_COL0; - - /* allocate space for GLfloat image */ - tmpImage = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); - if (!tmpImage) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); - return; - } - convImage = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat)); - if (!convImage) { - free(tmpImage); - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyPixels"); - return; - } - - /* read source image as float/RGBA */ - dest = tmpImage; - for (row = 0; row < height; row++) { - _swrast_read_rgba_span(ctx, ctx->ReadBuffer->_ColorReadBuffer, - width, srcx, srcy + row, GL_FLOAT, dest); - dest += 4 * width; - } - - /* do the image transfer ops which preceed convolution */ - for (row = 0; row < height; row++) { - GLfloat (*rgba)[4] = (GLfloat (*)[4]) (tmpImage + row * width * 4); - _mesa_apply_rgba_transfer_ops(ctx, - transferOps & IMAGE_PRE_CONVOLUTION_BITS, - width, rgba); - } - - /* do convolution */ - if (ctx->Pixel.Convolution2DEnabled) { - _mesa_convolve_2d_image(ctx, &width, &height, tmpImage, convImage); - } - else { - ASSERT(ctx->Pixel.Separable2DEnabled); - _mesa_convolve_sep_image(ctx, &width, &height, tmpImage, convImage); - } - free(tmpImage); - - /* do remaining post-convolution image transfer ops */ - for (row = 0; row < height; row++) { - GLfloat (*rgba)[4] = (GLfloat (*)[4]) (convImage + row * width * 4); - _mesa_apply_rgba_transfer_ops(ctx, - transferOps & IMAGE_POST_CONVOLUTION_BITS, - width, rgba); - } - - /* write the new image */ - for (row = 0; row < height; row++) { - const GLfloat *src = convImage + row * width * 4; - GLfloat *rgba = (GLfloat *) span.array->attribs[FRAG_ATTRIB_COL0]; - - /* copy convolved colors into span array */ - memcpy(rgba, src, width * 4 * sizeof(GLfloat)); - - /* write span */ - span.x = destx; - span.y = desty + row; - span.end = width; - span.array->ChanType = GL_FLOAT; - if (zoom) { - _swrast_write_zoomed_rgba_span(ctx, destx, desty, &span, rgba); - } - else { - _swrast_write_rgba_span(ctx, &span); - } - } - /* restore this */ - span.array->ChanType = CHAN_TYPE; - - free(convImage); -} - - -/** * RGBA copypixels */ static void @@ -204,16 +111,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy, return; } - if (ctx->Pixel.Convolution2DEnabled || ctx->Pixel.Separable2DEnabled) { - copy_conv_rgba_pixels(ctx, srcx, srcy, width, height, destx, desty); - return; - } - else if (ctx->Pixel.Convolution1DEnabled) { - /* make sure we don't apply 1D convolution */ - transferOps &= ~(IMAGE_CONVOLUTION_BIT | - IMAGE_POST_CONVOLUTION_SCALE_BIAS); - } - if (ctx->DrawBuffer == ctx->ReadBuffer) { overlapping = regions_overlap(srcx, srcy, destx, desty, width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); |