[PATCH vkd3d 1/8] vkd3d-shader: Implement VKD3D_SHADER_TARGET_GLSL.

[Atharva Nimbalkar]

Signed-off-by: Atharva Nimbalkar 
---
 include/vkd3d_shader.h                   |  4 ++++
 libs/vkd3d-shader/vkd3d_shader_main.c    | 10 ++++++++++
 libs/vkd3d-shader/vkd3d_shader_private.h |  2 ++
 programs/vkd3d-compiler/main.c           |  3 +++
 4 files changed, 19 insertions(+)

diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h
index 5092fac..58e507b 100644
--- a/include/vkd3d_shader.h
+++ b/include/vkd3d_shader.h
@@ -491,6 +491,10 @@ enum vkd3d_shader_target_type
      * the format used for Direct3D shader model 4 and 5 shaders.
      */
     VKD3D_SHADER_TARGET_DXBC_TPF,
+    /**
+     * An 'OpenGL Shading Language' shader.
+     */
+    VKD3D_SHADER_TARGET_GLSL,

VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_TARGET_TYPE),
 };
diff --git a/libs/vkd3d-shader/vkd3d_shader_main.c b/libs/vkd3d-shader/vkd3d_shader_main.c
index 78312a1..a9b5d0a 100644
--- a/libs/vkd3d-shader/vkd3d_shader_main.c
+++ b/libs/vkd3d-shader/vkd3d_shader_main.c
@@ -1032,6 +1032,15 @@ static int compile_dxbc_tpf(const struct vkd3d_shader_compile_info *compile_info
         return ret;
     }

+    if (compile_info->target_type == VKD3D_SHADER_TARGET_GLSL)
+    {
+        vkd3d_shader_error(message_context, NULL, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
+                "Internal compiler error: Unhandled instruction.");
+        vkd3d_shader_parser_destroy(&parser);
+        vkd3d_shader_free_scan_descriptor_info(&scan_descriptor_info);
+        return VKD3D_ERROR;
+    }
+
     if (!(spirv_compiler = vkd3d_dxbc_compiler_create(&parser.shader_version,
             &parser.shader_desc, compile_info, &scan_descriptor_info, message_context)))
     {
@@ -1280,6 +1289,7 @@ const enum vkd3d_shader_target_type *vkd3d_shader_get_supported_target_types(
         VKD3D_SHADER_TARGET_SPIRV_TEXT,
 #endif
         VKD3D_SHADER_TARGET_D3D_ASM,
+        VKD3D_SHADER_TARGET_GLSL,
     };

static const enum vkd3d_shader_target_type hlsl_types[] =
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 8550380..b490b9c 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -115,6 +115,8 @@ enum vkd3d_shader_error
     VKD3D_SHADER_ERROR_HLSL_NOT_IMPLEMENTED             = 5017,

VKD3D_SHADER_WARNING_HLSL_IMPLICIT_TRUNCATION       = 5300,
+
+    VKD3D_SHADER_ERROR_GLSL_INTERNAL                    = 6000,
 };

enum vkd3d_shader_opcode
diff --git a/programs/vkd3d-compiler/main.c b/programs/vkd3d-compiler/main.c
index fb19a70..71f90f8 100644
--- a/programs/vkd3d-compiler/main.c
+++ b/programs/vkd3d-compiler/main.c
@@ -90,6 +90,9 @@ target_type_info[] =
         "dxbc-tpf",     "A 'Tokenized Program Format' shader embedded in a DXBC container.\n"
         "                This is the format used for Direct3D shader model 4 and 5 shaders.\n",
         true},
+    {VKD3D_SHADER_TARGET_GLSL,
+        "glsl", "An 'OpenGL Shading Language' shader.\n",
+        false}
 };

static bool read_shader(struct vkd3d_shader_code *shader, FILE *f)