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r600: fallback to util_blitter_draw_rectangle when required

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This is the backport of dc293ffe50 ("radeonsi:
fallback to util_blitter_draw_rectangle").

This change was tested on rv770, palm and cayman. Here is
the test fixed:
spec/ext_framebuffer_blit/fbo-blit-check-limits: fail pass

Cc: mesa-stable
Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34403>
(cherry picked from commit 4d17f8d10a)
This commit is contained in:
Patrick Lerda 2025-04-04 14:58:56 +02:00 • committed by Eric Engestrom
parent 7e787e683a
commit 17a744e8e1
2 changed files with 16 additions and 3 deletions
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2
.pick_status.json
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@ -1014,7 +1014,7 @@
"description": "r600: fallback to util_blitter_draw_rectangle when required",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

17
src/gallium/drivers/r600/r600_pipe_common.c
View file

@ -115,13 +115,26 @@ void r600_draw_rectangle(struct blitter_context *blitter,
enum blitter_attrib_type type,
const union blitter_attrib *attrib)
{
struct r600_common_context *rctx =
(struct r600_common_context*)util_blitter_get_pipe(blitter);
struct r600_context *cctx =
(struct r600_context*)util_blitter_get_pipe(blitter);
struct r600_common_context *rctx = &cctx->b;
struct pipe_viewport_state viewport;
struct pipe_resource *buf = NULL;
unsigned offset = 0;
float *vb;
if (unlikely(MAX2(abs(x1), abs(x2)) > INT16_MAX ||
MAX2(abs(y1), abs(y2)) > INT16_MAX)) {
/* Fallback when coordinates can't fit in int16. */
util_blitter_save_vertex_elements(cctx->blitter,
cctx->vertex_fetch_shader.cso);
util_blitter_draw_rectangle(blitter, vertex_elements_cso, get_vs,
x1, y1, x2, y2,
depth, num_instances,
type, attrib);
return;
}
rctx->b.bind_vertex_elements_state(&rctx->b, vertex_elements_cso);
rctx->b.bind_vs_state(&rctx->b, get_vs(blitter));