From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Date: Sat, 1 Jun 2019 18:25:47 +0000 (+0200)
Subject: radv: Get max workgroup size without nir.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=739a2880f520a1ecd11a3fec8c3a38398b6dd1ce;p=mesa.git

radv: Get max workgroup size without nir.

Reviewed-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/amd/vulkan/radv_nir_to_llvm.c b/src/amd/vulkan/radv_nir_to_llvm.c
index 3f343cf6544..7c3e840104d 100644
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -4258,23 +4258,8 @@ radv_nir_get_max_workgroup_size(enum chip_class chip_class,
 				gl_shader_stage stage,
 				const struct nir_shader *nir)
 {
-	switch (stage) {
-	case MESA_SHADER_TESS_CTRL:
-		return chip_class >= GFX7 ? 128 : 64;
-	case MESA_SHADER_GEOMETRY:
-		return chip_class >= GFX9 ? 128 : 64;
-	case MESA_SHADER_COMPUTE:
-		break;
-	default:
-		return 0;
-	}
-
-	if (!nir)
-		return chip_class >= GFX9 ? 128 : 64;
-	unsigned max_workgroup_size = nir->info.cs.local_size[0] *
-		nir->info.cs.local_size[1] *
-		nir->info.cs.local_size[2];
-	return max_workgroup_size;
+	const unsigned backup_sizes[] = {chip_class >= GFX9 ? 128 : 64, 1, 1};
+	return radv_get_max_workgroup_size(chip_class, stage, nir ? nir->info.cs.local_size : backup_sizes);
 }
 
 /* Fixup the HW not emitting the TCS regs if there are no HS threads. */
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 0f0703d66d1..d06abb3d648 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -1279,6 +1279,25 @@ radv_get_shader_name(struct radv_shader_variant_info *info,
 	};
 }
 
+unsigned
+radv_get_max_workgroup_size(enum chip_class chip_class,
+                            gl_shader_stage stage,
+                            const unsigned *sizes)
+{
+	switch (stage) {
+	case MESA_SHADER_TESS_CTRL:
+		return chip_class >= GFX7 ? 128 : 64;
+	case MESA_SHADER_GEOMETRY:
+		return chip_class >= GFX9 ? 128 : 64;
+	case MESA_SHADER_COMPUTE:
+		break;
+	default:
+		return 0;
+	}
+
+	unsigned max_workgroup_size = sizes[0] * sizes[1] * sizes[2];
+	return max_workgroup_size;
+}
 
 unsigned
 radv_get_max_waves(struct radv_device *device,
@@ -1300,7 +1319,7 @@ radv_get_max_waves(struct radv_device *device,
 				     lds_increment);
 	} else if (stage == MESA_SHADER_COMPUTE) {
 		unsigned max_workgroup_size =
-			radv_nir_get_max_workgroup_size(chip_class, stage, variant->nir);
+			radv_get_max_workgroup_size(chip_class, stage, variant->info.cs.block_size);
 		lds_per_wave = (conf->lds_size * lds_increment) /
 			       DIV_ROUND_UP(max_workgroup_size, wave_size);
 	}
@@ -1409,7 +1428,7 @@ radv_GetShaderInfoAMD(VkDevice _device,
 			statistics.numAvailableSgprs = statistics.numPhysicalSgprs;
 
 			if (stage == MESA_SHADER_COMPUTE) {
-				unsigned *local_size = variant->nir->info.cs.local_size;
+				unsigned *local_size = variant->info.cs.block_size;
 				unsigned workgroup_size = local_size[0] * local_size[1] * local_size[2];
 
 				statistics.numAvailableVgprs = statistics.numPhysicalVgprs /
diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index f93b1ec0fe2..af097215f53 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -419,6 +419,11 @@ radv_get_max_waves(struct radv_device *device,
                    struct radv_shader_variant *variant,
                    gl_shader_stage stage);
 
+unsigned
+radv_get_max_workgroup_size(enum chip_class chip_class,
+                            gl_shader_stage stage,
+                            const unsigned *sizes);
+
 const char *
 radv_get_shader_name(struct radv_shader_variant_info *info,
 		     gl_shader_stage stage);