diff options
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 029091e1a5d..1f0da35a2c6 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -612,6 +612,28 @@ brw_initialize_context_constants(struct brw_context *brw) ctx->Const.MaxVertexStreams = MIN2(4, MAX_VERTEX_STREAMS); } +static void +brw_adjust_cs_context_constants(struct brw_context *brw) +{ + struct gl_context *ctx = &brw->ctx; + + /* For ES, we set these constants based on SIMD8. + * + * TODO: Once we can always generate SIMD16, we should update this. + * + * For GL, we assume we can generate a SIMD16 program, but this currently + * is not always true. This allows us to run more test cases, and will be + * required based on desktop GL compute shader requirements. + */ + const simd_size = ctx->API == API_OPENGL_CORE ? 16 : 8; + + const uint32_t max_invocations = simd_size * brw->max_cs_threads; + ctx->Const.MaxComputeWorkGroupSize[0] = max_invocations; + ctx->Const.MaxComputeWorkGroupSize[1] = max_invocations; + ctx->Const.MaxComputeWorkGroupSize[2] = max_invocations; + ctx->Const.MaxComputeWorkGroupInvocations = max_invocations; +} + /** * Process driconf (drirc) options, setting appropriate context flags. * @@ -843,6 +865,8 @@ brwCreateContext(gl_api api, brw->urb.max_ds_entries = devinfo->urb.max_ds_entries; brw->urb.max_gs_entries = devinfo->urb.max_gs_entries; + brw_adjust_cs_context_constants(brw); + /* Estimate the size of the mappable aperture into the GTT. There's an * ioctl to get the whole GTT size, but not one to get the mappable subset. * It turns out it's basically always 256MB, though some ancient hardware |