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freedreno: ssbo: keep track if a buffer gets written

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Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/1963>
This commit is contained in:
Christian Gmeiner 2019-09-13 08:24:33 +02:00 • committed by Marge Bot
parent 0ed053f03d
commit 061b262a0c
2 changed files with 3 additions and 0 deletions
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1
src/gallium/drivers/freedreno/freedreno_context.h
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@ -66,6 +66,7 @@ struct fd_constbuf_stateobj {
struct fd_shaderbuf_stateobj {
struct pipe_shader_buffer sb[PIPE_MAX_SHADER_BUFFERS];
uint32_t enabled_mask;
uint32_t writable_mask;
};
struct fd_shaderimg_stateobj {

2
src/gallium/drivers/freedreno/freedreno_state.c
View file

@ -129,6 +129,8 @@ fd_set_shader_buffers(struct pipe_context *pctx,
const unsigned modified_bits = u_bit_consecutive(start, count);
so->enabled_mask &= ~modified_bits;
so->writable_mask &= ~modified_bits;
so->writable_mask |= writable_bitmask << start;
for (unsigned i = 0; i < count; i++) {
unsigned n = i + start;