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-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_read.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_read.c b/src/mesa/drivers/dri/intel/intel_pixel_read.c
index bb9ce994913..324ffb2ee63 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_read.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_read.c
@@ -77,7 +77,6 @@ do_blit_readpixels(struct gl_context * ctx,
struct intel_region *src = intel_readbuf_region(intel);
struct intel_buffer_object *dst = intel_buffer_object(pack->BufferObj);
GLuint dst_offset;
- GLuint rowLength;
drm_intel_bo *dst_buffer;
bool all;
GLint dst_x, dst_y;
@@ -102,23 +101,19 @@ do_blit_readpixels(struct gl_context * ctx,
return false;
}
- if (pack->Alignment != 1 || pack->SwapBytes || pack->LsbFirst) {
+ if (pack->SwapBytes || pack->LsbFirst) {
DBG("%s: bad packing params\n", __FUNCTION__);
return false;
}
- if (pack->RowLength > 0)
- rowLength = pack->RowLength;
- else
- rowLength = width;
-
+ int dst_stride = _mesa_image_row_stride(pack, width, format, type);
if (pack->Invert) {
DBG("%s: MESA_PACK_INVERT not done yet\n", __FUNCTION__);
return false;
}
else {
if (_mesa_is_winsys_fbo(ctx->ReadBuffer))
- rowLength = -rowLength;
+ dst_stride = -dst_stride;
}
dst_offset = (GLintptr)pixels;
@@ -152,7 +147,7 @@ do_blit_readpixels(struct gl_context * ctx,
if (!intelEmitCopyBlit(intel,
src->cpp,
src->pitch, src->bo, 0, src->tiling,
- rowLength * src->cpp, dst_buffer, dst_offset, false,
+ dst_stride, dst_buffer, dst_offset, false,
x, y,
dst_x, dst_y,
width, height,