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gallium/auxiliary/vl: Map range when updating constants

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Use WRITE | DISCARD_RANGE to avoid having to read back the csc matrix
and luma min/max values.

Acked-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Thong Thai <thong.thai@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24869>
This commit is contained in:
David Rosca 2023-08-14 08:58:01 +02:00 • committed by Marge Bot
parent 7c8e1596d6
commit a90b9f1d1e
1 changed files with 5 additions and 4 deletions
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9
src/gallium/auxiliary/vl/vl_compositor_cs.c
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@ -782,15 +782,16 @@ set_viewport(struct vl_compositor_state *s,
assert(s && drawn);
void *ptr = pipe_buffer_map(s->pipe, s->shader_params,
PIPE_MAP_READ | PIPE_MAP_WRITE,
&buf_transfer);
void *ptr = pipe_buffer_map_range(s->pipe, s->shader_params,
sizeof(vl_csc_matrix) + sizeof(float) * 2,
sizeof(float) * 6 + sizeof(int) * 8,
PIPE_MAP_WRITE | PIPE_MAP_DISCARD_RANGE,
&buf_transfer);
if (!ptr)
return false;
float *ptr_float = (float *)ptr;
ptr_float += sizeof(vl_csc_matrix)/sizeof(float) + 2;
*ptr_float++ = drawn->scale_x;
*ptr_float++ = drawn->scale_y;