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radeonsi: enable distributed tess on multi-SE parts only

Browse source 
ported from Vulkan

Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-06-28 14:19:04 +02:00
parent dd56d04568
commit eff81cbc81
4 changed files with 7 additions and 2 deletions
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4
src/gallium/drivers/radeonsi/si_pipe.c
View file

@ -712,6 +712,10 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
sscreen->tess_offchip_block_dw_size =
sscreen->b.family == CHIP_HAWAII ? 4096 : 8192;
sscreen->has_distributed_tess =
sscreen->b.chip_class >= VI &&
sscreen->b.info.max_se >= 2;
sscreen->b.has_cp_dma = true;
sscreen->b.has_streamout = true;
pipe_mutex_init(sscreen->shader_parts_mutex);

1
src/gallium/drivers/radeonsi/si_pipe.h
View file

@ -83,6 +83,7 @@ struct si_screen {
struct r600_common_screen b;
unsigned gs_table_depth;
unsigned tess_offchip_block_dw_size;
bool has_distributed_tess;
/* Whether shaders are monolithic (1-part) or separate (3-part). */
bool use_monolithic_shaders;

2
src/gallium/drivers/radeonsi/si_state_draw.c
View file

@ -274,7 +274,7 @@ static unsigned si_get_ia_multi_vgt_param(struct si_context *sctx,
partial_vs_wave = true;
/* Needed for 028B6C_DISTRIBUTION_MODE != 0 */
if (sctx->b.chip_class >= VI) {
if (sctx->screen->has_distributed_tess) {
if (sctx->gs_shader.cso)
partial_es_wave = true;
else

2
src/gallium/drivers/radeonsi/si_state_shaders.c
View file

@ -300,7 +300,7 @@ static void si_set_tesseval_regs(struct si_screen *sscreen,
else
topology = V_028B6C_OUTPUT_TRIANGLE_CW;
if (sscreen->b.chip_class >= VI) {
if (sscreen->has_distributed_tess) {
if (sscreen->b.family == CHIP_FIJI ||
sscreen->b.family >= CHIP_POLARIS10)
distribution_mode = V_028B6C_DISTRIBUTION_MODE_TRAPEZOIDS;