Józef Kucia : vkd3d-shader: Translate ld2dms instructions.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 3957242ea72ebf6ba7fc47ef942161b804c0fb02
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=3957242ea72ebf6ba7fc47ef...

Author: Józef Kucia 
Date:   Thu Oct 18 14:59:46 2018 +0200

vkd3d-shader: Translate ld2dms instructions.

Signed-off-by: Józef Kucia 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

libs/vkd3d-shader/spirv.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c
index ac95bd3..2f72c5c 100644
--- a/libs/vkd3d-shader/spirv.c
+++ b/libs/vkd3d-shader/spirv.c
@@ -5423,6 +5423,9 @@ static void vkd3d_dxbc_compiler_emit_ld(struct vkd3d_dxbc_compiler *compiler,
     struct vkd3d_shader_image image;
     uint32_t image_operands[2];
     DWORD coordinate_mask;
+    bool multisample;
+
+    multisample = instruction->handler_idx == VKD3DSIH_LD2DMS;

/* OpImageFetch must be used with a sampled image. */
     vkd3d_dxbc_compiler_prepare_dummy_sampled_image(compiler, &image, &src[1].reg);
@@ -5431,7 +5434,7 @@ static void vkd3d_dxbc_compiler_emit_ld(struct vkd3d_dxbc_compiler *compiler,
     type_id = vkd3d_spirv_get_type_id(builder, image.sampled_type, VKD3D_VEC4_SIZE);
     coordinate_mask = (1u << image.resource_type_info->coordinate_component_count) - 1;
     coordinate_id = vkd3d_dxbc_compiler_emit_load_src(compiler, &src[0], coordinate_mask);
-    if (image.resource_type_info->resource_type != VKD3D_SHADER_RESOURCE_BUFFER)
+    if (image.resource_type_info->resource_type != VKD3D_SHADER_RESOURCE_BUFFER && !multisample)
     {
         operands_mask |= SpvImageOperandsLodMask;
         image_operands[image_operand_count++] = vkd3d_dxbc_compiler_emit_load_src(compiler,
@@ -5443,6 +5446,13 @@ static void vkd3d_dxbc_compiler_emit_ld(struct vkd3d_dxbc_compiler *compiler,
         image_operands[image_operand_count++] = vkd3d_dxbc_compiler_emit_texel_offset(compiler,
                 instruction, image.resource_type_info);
     }
+    if (multisample)
+    {
+        operands_mask |= SpvImageOperandsSampleMask;
+        image_operands[image_operand_count++] = vkd3d_dxbc_compiler_emit_load_src(compiler,
+                &src[2], VKD3DSP_WRITEMASK_0);
+    }
+    assert(image_operand_count <= ARRAY_SIZE(image_operands));
     val_id = vkd3d_spirv_build_op_image_fetch(builder, type_id,
             image_id, coordinate_id, operands_mask, image_operands, image_operand_count);

@@ -6490,6 +6500,7 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
         case VKD3DSIH_DSY_FINE:
             vkd3d_dxbc_compiler_emit_deriv_instruction(compiler, instruction);
             break;
+        case VKD3DSIH_LD2DMS:
         case VKD3DSIH_LD:
             vkd3d_dxbc_compiler_emit_ld(compiler, instruction);
             break;