diff options
| -rw-r--r-- | src/mesa/swrast/s_copypix.c | 117 |
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 ); |