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authorIan Romanick <ian.d.romanick@intel.com>2010-02-24 15:02:59 -0800
committerIan Romanick <ian.d.romanick@intel.com>2010-03-03 12:37:03 -0800
commite7e748cd04f5f014a1e4d8837ee7590d68115768 (patch)
treede90d5961cf2ef2e3b60ac6bad3e9541cf6d54ee
parentd82e1d7f95bf1fe2be9bc2ac5a2880401a8dc01c (diff)
swrast: Remove support for CopyPixels to / from a color-index buffer
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
-rw-r--r--src/mesa/swrast/s_copypix.c117
1 files changed, 5 insertions, 112 deletions
diff --git a/src/mesa/swrast/s_copypix.c b/src/mesa/swrast/s_copypix.c
index 3f37c027e4..f4f0c8a330 100644
--- a/src/mesa/swrast/s_copypix.c
+++ b/src/mesa/swrast/s_copypix.c
@@ -307,100 +307,6 @@ copy_rgba_pixels(GLcontext *ctx, GLint srcx, GLint srcy,
}
-static void
-copy_ci_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
- GLint width, GLint height,
- GLint destx, GLint desty )
-{
- GLuint *tmpImage,*p;
- GLint sy, dy, stepy;
- GLint j;
- const GLboolean zoom = ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F;
- GLint overlapping;
- SWspan span;
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- /* no readbuffer - OK */
- return;
- }
-
- INIT_SPAN(span, GL_BITMAP);
- _swrast_span_default_attribs(ctx, &span);
- span.arrayMask = SPAN_INDEX;
-
- if (ctx->DrawBuffer == ctx->ReadBuffer) {
- overlapping = regions_overlap(srcx, srcy, destx, desty, width, height,
- ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
- }
- else {
- overlapping = GL_FALSE;
- }
-
- /* Determine if copy should be bottom-to-top or top-to-bottom */
- if (!overlapping && srcy < desty) {
- /* top-down max-to-min */
- sy = srcy + height - 1;
- dy = desty + height - 1;
- stepy = -1;
- }
- else {
- /* bottom-up min-to-max */
- sy = srcy;
- dy = desty;
- stepy = 1;
- }
-
- if (overlapping) {
- GLint ssy = sy;
- tmpImage = (GLuint *) malloc(width * height * sizeof(GLuint));
- if (!tmpImage) {
- _mesa_error( ctx, GL_OUT_OF_MEMORY, "glCopyPixels" );
- return;
- }
- /* read the image */
- p = tmpImage;
- for (j = 0; j < height; j++, ssy += stepy) {
- _swrast_read_index_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
- width, srcx, ssy, p );
- p += width;
- }
- p = tmpImage;
- }
- else {
- tmpImage = NULL; /* silence compiler warning */
- p = NULL;
- }
-
- for (j = 0; j < height; j++, sy += stepy, dy += stepy) {
- /* Get color indexes */
- if (overlapping) {
- memcpy(span.array->index, p, width * sizeof(GLuint));
- p += width;
- }
- else {
- _swrast_read_index_span( ctx, ctx->ReadBuffer->_ColorReadBuffer,
- width, srcx, sy, span.array->index );
- }
-
- if (ctx->_ImageTransferState)
- _mesa_apply_ci_transfer_ops(ctx, ctx->_ImageTransferState,
- width, span.array->index);
-
- /* write color indexes */
- span.x = destx;
- span.y = dy;
- span.end = width;
- if (zoom)
- _swrast_write_zoomed_index_span(ctx, destx, desty, &span);
- else
- _swrast_write_index_span(ctx, &span);
- }
-
- if (overlapping)
- free(tmpImage);
-}
-
-
/**
* Convert floating point Z values to integer Z values with pixel transfer's
* Z scale and bias.
@@ -522,18 +428,10 @@ copy_depth_pixels( GLcontext *ctx, GLint srcx, GLint srcy,
span.x = destx;
span.y = dy;
span.end = width;
- if (fb->Visual.rgbMode) {
- if (zoom)
- _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
- else
- _swrast_write_rgba_span(ctx, &span);
- }
- else {
- if (zoom)
- _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
- else
- _swrast_write_index_span(ctx, &span);
- }
+ if (zoom)
+ _swrast_write_zoomed_depth_span(ctx, destx, desty, &span);
+ else
+ _swrast_write_rgba_span(ctx, &span);
}
if (overlapping)
@@ -909,12 +807,7 @@ _swrast_CopyPixels( GLcontext *ctx,
if (!fast_copy_pixels(ctx, srcx, srcy, width, height, destx, desty, type)) {
switch (type) {
case GL_COLOR:
- if (ctx->Visual.rgbMode) {
- copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty );
- }
- else {
- copy_ci_pixels( ctx, srcx, srcy, width, height, destx, desty );
- }
+ copy_rgba_pixels( ctx, srcx, srcy, width, height, destx, desty );
break;
case GL_DEPTH:
copy_depth_pixels( ctx, srcx, srcy, width, height, destx, desty );