Henri Verbeet : vkd3d-shader/glsl: Generate comments for unhandled instructions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 8a60814476b1b05ef72ae78e9ded80d4c03c3b1a
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/8a60814476b1b05ef72ae78e9ded80...

Author: Henri Verbeet 
Date:   Fri Nov 17 07:06:11 2023 +0100

vkd3d-shader/glsl: Generate comments for unhandled instructions.

Mostly for debugging purposes; we'll fail compilation, but will still trace
the shader that would have been generated.

---

libs/vkd3d-shader/glsl.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index 2971f577..23ea89c4 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -39,6 +39,13 @@ static void VKD3D_PRINTF_FUNC(3, 4) vkd3d_glsl_compiler_error(
     generator->failed = true;
 }

+static void shader_glsl_unhandled(struct vkd3d_glsl_generator *gen, const struct vkd3d_shader_instruction *ins)
+{
+    vkd3d_string_buffer_printf(&gen->buffer, "/* <unhandled instruction %#x> */\n", ins->handler_idx);
+    vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
+            "Internal compiler error: Unhandled instruction %#x.", ins->handler_idx);
+}
+
 static void shader_glsl_ret(struct vkd3d_glsl_generator *generator,
         const struct vkd3d_shader_instruction *ins)
 {
@@ -69,9 +76,7 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *generator
             shader_glsl_ret(generator, instruction);
             break;
         default:
-            vkd3d_glsl_compiler_error(generator,
-                    VKD3D_SHADER_ERROR_GLSL_INTERNAL,
-                    "Unhandled instruction %#x", instruction->handler_idx);
+            shader_glsl_unhandled(generator, instruction);
             break;
     }
 }