* Jason Ekstrand <jason.ekstrand@intel.com>
*/
+#include "brw_blorp.h"
#include "intel_fbo.h"
#include "intel_tex.h"
#include "intel_blit.h"
#include "main/teximage.h"
#include "drivers/common/meta.h"
-static bool
-copy_image_with_blitter(struct brw_context *brw,
- struct intel_mipmap_tree *src_mt, int src_level,
- int src_x, int src_y, int src_z,
- struct intel_mipmap_tree *dst_mt, int dst_level,
- int dst_x, int dst_y, int dst_z,
- int src_width, int src_height)
-{
- GLuint bw, bh;
- uint32_t src_image_x, src_image_y, dst_image_x, dst_image_y;
-
- /* The blitter doesn't understand multisampling at all. */
- if (src_mt->num_samples > 0 || dst_mt->num_samples > 0)
- return false;
-
- /* According to the Ivy Bridge PRM, Vol1 Part4, section 1.2.1.2 (Graphics
- * Data Size Limitations):
- *
- * The BLT engine is capable of transferring very large quantities of
- * graphics data. Any graphics data read from and written to the
- * destination is permitted to represent a number of pixels that
- * occupies up to 65,536 scan lines and up to 32,768 bytes per scan line
- * at the destination. The maximum number of pixels that may be
- * represented per scan line’s worth of graphics data depends on the
- * color depth.
- *
- * Furthermore, intelEmitCopyBlit (which is called below) uses a signed
- * 16-bit integer to represent buffer pitch, so it can only handle buffer
- * pitches < 32k.
- *
- * As a result of these two limitations, we can only use the blitter to do
- * this copy when the miptree's pitch is less than 32k.
- */
- if (src_mt->pitch >= 32768 ||
- dst_mt->pitch >= 32768) {
- perf_debug("Falling back due to >=32k pitch\n");
- return false;
- }
-
- intel_miptree_get_image_offset(src_mt, src_level, src_z,
- &src_image_x, &src_image_y);
-
- if (_mesa_is_format_compressed(src_mt->format)) {
- _mesa_get_format_block_size(src_mt->format, &bw, &bh);
-
- assert(src_x % bw == 0);
- assert(src_y % bh == 0);
- assert(src_width % bw == 0);
- assert(src_height % bh == 0);
-
- src_x /= (int)bw;
- src_y /= (int)bh;
- src_width /= (int)bw;
- src_height /= (int)bh;
- }
- src_x += src_image_x;
- src_y += src_image_y;
-
- intel_miptree_get_image_offset(dst_mt, dst_level, dst_z,
- &dst_image_x, &dst_image_y);
-
- if (_mesa_is_format_compressed(dst_mt->format)) {
- _mesa_get_format_block_size(dst_mt->format, &bw, &bh);
-
- assert(dst_x % bw == 0);
- assert(dst_y % bh == 0);
-
- dst_x /= (int)bw;
- dst_y /= (int)bh;
- }
- dst_x += dst_image_x;
- dst_y += dst_image_y;
-
- return intelEmitCopyBlit(brw,
- src_mt->cpp,
- src_mt->pitch,
- src_mt->bo, src_mt->offset,
- src_mt->tiling,
- src_mt->tr_mode,
- dst_mt->pitch,
- dst_mt->bo, dst_mt->offset,
- dst_mt->tiling,
- dst_mt->tr_mode,
- src_x, src_y,
- dst_x, dst_y,
- src_width, src_height,
- GL_COPY);
-}
-
static void
copy_image_with_memcpy(struct brw_context *brw,
struct intel_mipmap_tree *src_mt, int src_level,
{
unsigned bw, bh;
+ if (brw->gen >= 6) {
+ brw_blorp_copy_miptrees(brw,
+ src_mt, src_level, src_z,
+ dst_mt, dst_level, dst_z,
+ src_x, src_y, dst_x, dst_y,
+ src_width, src_height);
+ return;
+ }
+
/* We are now going to try and copy the texture using the blitter. If
* that fails, we will fall back mapping the texture and using memcpy.
* In either case, we need to do a full resolve.
*/
intel_miptree_all_slices_resolve_hiz(brw, src_mt);
intel_miptree_all_slices_resolve_depth(brw, src_mt);
- intel_miptree_resolve_color(brw, src_mt, 0);
+ intel_miptree_all_slices_resolve_color(brw, src_mt, 0);
intel_miptree_all_slices_resolve_hiz(brw, dst_mt);
intel_miptree_all_slices_resolve_depth(brw, dst_mt);
- intel_miptree_resolve_color(brw, dst_mt, 0);
+ intel_miptree_all_slices_resolve_color(brw, dst_mt, 0);
_mesa_get_format_block_size(src_mt->format, &bw, &bh);
if (src_height < bh)
src_height = ALIGN_NPOT(src_height, bh);
- if (copy_image_with_blitter(brw, src_mt, src_level,
- src_x, src_y, src_z,
- dst_mt, dst_level,
- dst_x, dst_y, dst_z,
- src_width, src_height))
+ if (intel_miptree_copy(brw, src_mt, src_level, src_z, src_x, src_y,
+ dst_mt, dst_level, dst_z, dst_x, dst_y,
+ src_width, src_height))
return;
/* This is a worst-case scenario software fallback that maps the two
struct intel_mipmap_tree *src_mt, *dst_mt;
unsigned src_level, dst_level;
- if (_mesa_meta_CopyImageSubData_uncompressed(ctx,
- src_image, src_renderbuffer,
- src_x, src_y, src_z,
- dst_image, dst_renderbuffer,
- dst_x, dst_y, dst_z,
- src_width, src_height)) {
- return;
- }
-
if (src_image) {
src_mt = intel_texture_image(src_image)->mt;
src_level = src_image->Level + src_image->TexObject->MinLevel;
dst_level = 0;
}
- if (src_mt->num_samples > 0 || dst_mt->num_samples > 0) {
- _mesa_problem(ctx, "Failed to copy multisampled texture with BLORP\n");
- return;
- }
-
copy_miptrees(brw, src_mt, src_x, src_y, src_z, src_level,
dst_mt, dst_x, dst_y, dst_z, dst_level,
src_width, src_height);
+
+ /* CopyImage only works for equal formats, texture view equivalence
+ * classes, and a couple special cases for compressed textures.
+ *
+ * Notably, GL_DEPTH_STENCIL does not appear in any equivalence
+ * classes, so we know the formats must be the same, and thus both
+ * will either have stencil, or not. They can't be mismatched.
+ */
+ assert((src_mt->stencil_mt != NULL) == (dst_mt->stencil_mt != NULL));
+
+ if (dst_mt->stencil_mt) {
+ copy_miptrees(brw, src_mt->stencil_mt, src_x, src_y, src_z, src_level,
+ dst_mt->stencil_mt, dst_x, dst_y, dst_z, dst_level,
+ src_width, src_height);
+ }
}
void
projects / mesa.git / blobdiff