diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_pixel_read.c | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_pixel_read.c b/src/mesa/drivers/dri/radeon/radeon_pixel_read.c index fb741173ca..216eb932db 100644 --- a/src/mesa/drivers/dri/radeon/radeon_pixel_read.c +++ b/src/mesa/drivers/dri/radeon/radeon_pixel_read.c @@ -32,6 +32,7 @@ #include "main/state.h" #include "swrast/swrast.h" +#include "radeon_buffer_objects.h" #include "radeon_common_context.h" #include "radeon_debug.h" #include "radeon_mipmap_tree.h" @@ -96,6 +97,7 @@ do_blit_readpixels(GLcontext * ctx, unsigned dst_rowstride, dst_imagesize, aligned_rowstride, flip_y; struct radeon_bo *dst_buffer; GLint dst_x = 0, dst_y = 0; + intptr_t dst_offset; /* It's not worth if number of pixels to copy is really small */ if (width * height < 100) { @@ -127,10 +129,23 @@ do_blit_readpixels(GLcontext * ctx, assert(x >= 0 && y >= 0); aligned_rowstride = get_texture_image_row_stride(radeon, dst_format, dst_rowstride, 0); + dst_rowstride *= _mesa_get_format_bytes(dst_format); + if (_mesa_is_bufferobj(pack->BufferObj) && aligned_rowstride != dst_rowstride) + return GL_FALSE; dst_imagesize = get_texture_image_size(dst_format, aligned_rowstride, height, 1, 0); - dst_buffer = radeon_bo_open(radeon->radeonScreen->bom, 0, dst_imagesize, 1024, RADEON_GEM_DOMAIN_GTT, 0); + + if (!_mesa_is_bufferobj(pack->BufferObj)) + { + dst_buffer = radeon_bo_open(radeon->radeonScreen->bom, 0, dst_imagesize, 1024, RADEON_GEM_DOMAIN_GTT, 0); + dst_offset = 0; + } + else + { + dst_buffer = get_radeon_buffer_object(pack->BufferObj)->bo; + dst_offset = (intptr_t)pixels; + } /* Disable source Y flipping for FBOs */ flip_y = (ctx->ReadBuffer->Name == 0); @@ -149,7 +164,7 @@ do_blit_readpixels(GLcontext * ctx, x, y, dst_buffer, - 0, /* dst_offset */ + dst_offset, dst_format, aligned_rowstride / _mesa_get_format_bytes(dst_format), width, @@ -160,17 +175,22 @@ do_blit_readpixels(GLcontext * ctx, height, flip_y)) { - radeon_bo_map(dst_buffer, 0); - dst_rowstride *= _mesa_get_format_bytes(dst_format); - copy_rows(pixels, dst_rowstride, dst_buffer->ptr, - aligned_rowstride, height, dst_rowstride); - radeon_bo_unmap(dst_buffer); - radeon_bo_unref(dst_buffer); + if (!_mesa_is_bufferobj(pack->BufferObj)) + { + radeon_bo_map(dst_buffer, 0); + copy_rows(pixels, dst_rowstride, dst_buffer->ptr, + aligned_rowstride, height, dst_rowstride); + radeon_bo_unmap(dst_buffer); + radeon_bo_unref(dst_buffer); + } + return GL_TRUE; - } else { - radeon_bo_unref(dst_buffer); - return GL_FALSE; } + + if (!_mesa_is_bufferobj(pack->BufferObj)) + radeon_bo_unref(dst_buffer); + + return GL_FALSE; } void |