panfrost: Decode blend shaders for SFBD

Also set MALI_HAS_BLEND_SHADER as needed.

Signed-off-by: Tomeu Vizoso <[email protected]>
Reviewed-by: Alyssa Rosenzweig <[email protected]>

1 files changed, 29 insertions, 22 deletions

diff --git a/src/panfrost/pandecode/decode.c b/src/panfrost/pandecode/decode.c
index 7c1d681d018..94b640c54d6 100644
--- a/src/panfrost/pandecode/decode.c
+++ b/src/panfrost/pandecode/decode.c
@@ -2069,6 +2069,30 @@ pandecode_shader_prop(const char *name, unsigned claim, signed truth, bool fuzzy
 }
 
 static void
+pandecode_blend_shader_disassemble(mali_ptr shader, int job_no, int job_type,
+                                   bool is_bifrost)
+{
+        struct midgard_disasm_stats stats =
+                pandecode_shader_disassemble(shader, job_no, job_type, is_bifrost);
+
+        bool has_texture = (stats.texture_count > 0);
+        bool has_sampler = (stats.sampler_count > 0);
+        bool has_attribute = (stats.attribute_count > 0);
+        bool has_varying = (stats.varying_count > 0);
+        bool has_uniform = (stats.uniform_count > 0);
+        bool has_ubo = (stats.uniform_buffer_count > 0);
+
+        if (has_texture || has_sampler)
+                pandecode_msg("XXX: blend shader accessing textures\n");
+
+        if (has_attribute || has_varying)
+                pandecode_msg("XXX: blend shader accessing interstage\n");
+
+        if (has_uniform || has_ubo)
+                pandecode_msg("XXX: blend shader accessing uniforms\n");
+}
+
+static void
 pandecode_vertex_tiler_postfix_pre(
                 const struct mali_vertex_tiler_postfix *p,
                 int job_no, enum mali_job_type job_type,
@@ -2245,9 +2269,10 @@ pandecode_vertex_tiler_postfix_pre(
 
                 if (!is_bifrost) {
                         /* TODO: Blend shaders routing/disasm */
-
                         union midgard_blend blend = s->blend;
-                        pandecode_midgard_blend(&blend, false);
+                        mali_ptr shader = pandecode_midgard_blend(&blend, s->unknown2_3 & MALI_HAS_BLEND_SHADER);
+                        if (shader & ~0xF)
+                                pandecode_blend_shader_disassemble(shader, job_no, job_type, false);
                 }
 
                 pandecode_indent--;
@@ -2267,26 +2292,8 @@ pandecode_vertex_tiler_postfix_pre(
                                 else
                                         shader = pandecode_midgard_blend_mrt(blend_base, job_no, i);
 
-                                if (shader & ~0xF) {
-                                        struct midgard_disasm_stats stats =
-                                                pandecode_shader_disassemble(shader, job_no, job_type, false);
-
-                                        bool has_texture = (stats.texture_count > 0);
-                                        bool has_sampler = (stats.sampler_count > 0);
-                                        bool has_attribute = (stats.attribute_count > 0);
-                                        bool has_varying = (stats.varying_count > 0);
-                                        bool has_uniform = (stats.uniform_count > 0);
-                                        bool has_ubo = (stats.uniform_buffer_count > 0);
-
-                                        if (has_texture || has_sampler)
-                                                pandecode_msg("XXX: blend shader accessing textures\n");
-
-                                        if (has_attribute || has_varying)
-                                                pandecode_msg("XXX: blend shader accessing interstage\n");
-
-                                        if (has_uniform || has_ubo)
-                                                pandecode_msg("XXX: blend shader accessing uniforms\n");
-                                }
+                                if (shader & ~0xF)
+                                        pandecode_blend_shader_disassemble(shader, job_no, job_type, false);
 
                         }
                 }