radv: Add debug option to dump meta shaders.

This new option can help debug shader compiler problems when
there are issues with the meta shaders.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/vulkan/radv_debug.h b/src/amd/vulkan/radv_debug.h
index ca71d53..2d35f4e 100644 (file)
--- a/src/amd/vulkan/radv_debug.h
+++ b/src/amd/vulkan/radv_debug.h
@@ -55,6 +55,7 @@ enum {
        RADV_DEBUG_NO_NGG            = 0x2000000,
        RADV_DEBUG_NO_SHADER_BALLOT  = 0x4000000,
        RADV_DEBUG_ALL_ENTRYPOINTS   = 0x8000000,
+       RADV_DEBUG_DUMP_META_SHADERS = 0x10000000,
 };
 
 enum {

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index ea132ee..1da49cb 100644 (file)
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -486,6 +486,7 @@ static const struct debug_control radv_debug_options[] = {
        {"nongg", RADV_DEBUG_NO_NGG},
        {"noshaderballot", RADV_DEBUG_NO_SHADER_BALLOT},
        {"allentrypoints", RADV_DEBUG_ALL_ENTRYPOINTS},
+       {"metashaders", RADV_DEBUG_DUMP_META_SHADERS},
        {NULL, 0}
 };
 

diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index eb0886b..086f7cd 100644 (file)
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -119,9 +119,11 @@ radv_can_dump_shader(struct radv_device *device,
 {
        if (!(device->instance->debug_flags & RADV_DEBUG_DUMP_SHADERS))
                return false;
+       if (module)
+               return !module->nir ||
+                       (device->instance->debug_flags & RADV_DEBUG_DUMP_META_SHADERS);
 
-       /* Only dump non-meta shaders, useful for debugging purposes. */
-       return (module && !module->nir) || is_gs_copy_shader;
+       return is_gs_copy_shader;
 }
 
 bool