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radeonsi: only update MSAA-specific framebuffer state if nr_samples is changed 

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2014-09-19 17:38:01 +02:00
parent dba4c5baf4
commit b53b1ceb3e
1 changed files with 27 additions and 23 deletions
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50
src/gallium/drivers/radeonsi/si_state.c
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@ -1943,6 +1943,7 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
struct r600_surface *surf = NULL;
struct r600_texture *rtex;
bool old_cb0_is_integer = sctx->framebuffer.cb0_is_integer;
unsigned old_nr_samples = sctx->framebuffer.nr_samples;
int i;
if (sctx->framebuffer.state.nr_cbufs) {
@ -2008,31 +2009,34 @@ static void si_set_framebuffer_state(struct pipe_context *ctx,
sctx->framebuffer.atom.num_dw += 3; /* WINDOW_SCISSOR_BR */
sctx->framebuffer.atom.num_dw += 18; /* MSAA sample locations */
sctx->framebuffer.atom.dirty = true;
sctx->msaa_config.dirty = true;
/* Set sample locations as fragment shader constants. */
switch (sctx->framebuffer.nr_samples) {
case 1:
constbuf.user_buffer = sctx->b.sample_locations_1x;
break;
case 2:
constbuf.user_buffer = sctx->b.sample_locations_2x;
break;
case 4:
constbuf.user_buffer = sctx->b.sample_locations_4x;
break;
case 8:
constbuf.user_buffer = sctx->b.sample_locations_8x;
break;
case 16:
constbuf.user_buffer = sctx->b.sample_locations_16x;
break;
default:
assert(0);
if (sctx->framebuffer.nr_samples != old_nr_samples) {
sctx->msaa_config.dirty = true;
/* Set sample locations as fragment shader constants. */
switch (sctx->framebuffer.nr_samples) {
case 1:
constbuf.user_buffer = sctx->b.sample_locations_1x;
break;
case 2:
constbuf.user_buffer = sctx->b.sample_locations_2x;
break;
case 4:
constbuf.user_buffer = sctx->b.sample_locations_4x;
break;
case 8:
constbuf.user_buffer = sctx->b.sample_locations_8x;
break;
case 16:
constbuf.user_buffer = sctx->b.sample_locations_16x;
break;
default:
assert(0);
}
constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4;
ctx->set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT,
SI_DRIVER_STATE_CONST_BUF, &constbuf);
}
constbuf.buffer_size = sctx->framebuffer.nr_samples * 2 * 4;
ctx->set_constant_buffer(ctx, PIPE_SHADER_FRAGMENT,
SI_DRIVER_STATE_CONST_BUF, &constbuf);
}
static void si_emit_framebuffer_state(struct si_context *sctx, struct r600_atom *atom)