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radeonsi: move VGT_GS_MODE to the VS state 

The VS will want to select GS scenario A here (VS with PrimitiveID).

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-08-10 00:52:21 +02:00
parent bdc564b942
commit 8e11be0ddb
1 changed files with 6 additions and 2 deletions
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8
src/gallium/drivers/radeonsi/si_state_shaders.c
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@ -314,6 +314,12 @@ static void si_shader_vs(struct si_shader *shader)
if (pm4 == NULL)
return;
/* If this is the GS copy shader, the GS state writes this register.
* Otherwise, the VS state writes it.
*/
if (!shader->is_gs_copy_shader)
si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, 0);
va = shader->bo->gpu_address;
si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_SHADER_DATA);
@ -1287,8 +1293,6 @@ static void si_update_vgt_shader_config(struct si_context *sctx)
}
si_pm4_set_reg(*pm4, R_028B54_VGT_SHADER_STAGES_EN, stages);
if (!sctx->gs_shader)
si_pm4_set_reg(*pm4, R_028A40_VGT_GS_MODE, 0);
}
si_pm4_bind_state(sctx, vgt_shader_config, *pm4);
}