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authorIan Romanick <[email protected]>2010-02-24 15:54:33 -0800
committerIan Romanick <[email protected]>2010-03-03 12:37:03 -0800
commit3fd8487ac65aeee8e3ed4dc6dc6468daf880da1a (patch)
treee3d7af49fd983bb8d93e70d0635a6827bb5feb28 /src/mesa
parent9e2d30e0b8242d1e4afcf05513bd3d7e0de504a2 (diff)
swrast: Remove support for ReadPixels from a color-index buffer
Signed-off-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/swrast/s_readpix.c67
1 files changed, 2 insertions, 65 deletions
diff --git a/src/mesa/swrast/s_readpix.c b/src/mesa/swrast/s_readpix.c
index 41911337b84..ecabac6921d 100644
--- a/src/mesa/swrast/s_readpix.c
+++ b/src/mesa/swrast/s_readpix.c
@@ -41,42 +41,6 @@
#include "s_stencil.h"
-/*
- * Read a block of color index pixels.
- */
-static void
-read_index_pixels( GLcontext *ctx,
- GLint x, GLint y,
- GLsizei width, GLsizei height,
- GLenum type, GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing )
-{
- struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
- GLint i;
-
- if (!rb)
- return;
-
- /* width should never be > MAX_WIDTH since we did clipping earlier */
- ASSERT(width <= MAX_WIDTH);
-
- /* process image row by row */
- for (i = 0; i < height; i++) {
- GLuint index[MAX_WIDTH];
- GLvoid *dest;
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
- rb->GetRow(ctx, rb, width, x, y + i, index);
-
- dest = _mesa_image_address2d(packing, pixels, width, height,
- GL_COLOR_INDEX, type, i, 0);
-
- _mesa_pack_index_span(ctx, width, type, dest, index,
- &ctx->Pack, ctx->_ImageTransferState);
- }
-}
-
-
-
/**
* Read pixels for format=GL_DEPTH_COMPONENT.
*/
@@ -373,18 +337,7 @@ read_rgba_pixels( GLcontext *ctx,
/* read full RGBA, FLOAT image */
dest = tmpImage;
for (row = 0; row < height; row++, y++) {
- if (fb->Visual.rgbMode) {
- _swrast_read_rgba_span(ctx, rb, width, x, y, GL_FLOAT, dest);
- }
- else {
- GLuint index[MAX_WIDTH];
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
- rb->GetRow(ctx, rb, width, x, y, index);
- _mesa_apply_ci_transfer_ops(ctx,
- transferOps & IMAGE_SHIFT_OFFSET_BIT,
- width, index);
- _mesa_map_ci_to_rgba(ctx, width, index, (GLfloat (*)[4]) dest);
- }
+ _swrast_read_rgba_span(ctx, rb, width, x, y, GL_FLOAT, dest);
_mesa_apply_rgba_transfer_ops(ctx,
transferOps & IMAGE_PRE_CONVOLUTION_BITS,
width, (GLfloat (*)[4]) dest);
@@ -431,19 +384,7 @@ read_rgba_pixels( GLcontext *ctx,
for (row = 0; row < height; row++, y++) {
/* Get float rgba pixels */
- if (fb->Visual.rgbMode) {
- _swrast_read_rgba_span(ctx, rb, width, x, y, GL_FLOAT, rgba);
- }
- else {
- /* read CI and convert to RGBA */
- GLuint index[MAX_WIDTH];
- ASSERT(rb->DataType == GL_UNSIGNED_INT);
- rb->GetRow(ctx, rb, width, x, y, index);
- _mesa_apply_ci_transfer_ops(ctx,
- transferOps & IMAGE_SHIFT_OFFSET_BIT,
- width, index);
- _mesa_map_ci_to_rgba(ctx, width, index, rgba);
- }
+ _swrast_read_rgba_span(ctx, rb, width, x, y, GL_FLOAT, rgba);
/* apply fudge factor for shallow color buffers */
if (fb->Visual.redBits < 8 ||
@@ -592,10 +533,6 @@ _swrast_ReadPixels( GLcontext *ctx,
return;
switch (format) {
- case GL_COLOR_INDEX:
- read_index_pixels(ctx, x, y, width, height, type, pixels,
- &clippedPacking);
- break;
case GL_STENCIL_INDEX:
read_stencil_pixels(ctx, x, y, width, height, type, pixels,
&clippedPacking);