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vkd3d-shader/ir: Allow controlling point sprite through a parameter.

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This commit is contained in:
Elizabeth Figura
2024-10-15 19:04:19 -05:00
committed by Henri Verbeet
parent 8a3fe9cd1e
commit a492d64fef
Notes: Henri Verbeet 2024-10-22 20:53:34 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1188
5 changed files with 246 additions and 0 deletions
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13
libs/vkd3d-shader/spirv.c
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@@ -3252,6 +3252,9 @@ static bool spirv_compiler_get_register_name(char *buffer, unsigned int buffer_s
case VKD3DSPR_WAVELANEINDEX:
snprintf(buffer, buffer_size, "vWaveLaneIndex");
break;
case VKD3DSPR_POINT_COORD:
snprintf(buffer, buffer_size, "vPointCoord");
break;
default:
FIXME("Unhandled register %#x.\n", reg->type);
snprintf(buffer, buffer_size, "unrecognized_%#x", reg->type);
@@ -4886,6 +4889,8 @@ vkd3d_register_builtins[] =
{VKD3DSPR_TESSCOORD, {VKD3D_SHADER_COMPONENT_FLOAT, 3, SpvBuiltInTessCoord}},
{VKD3DSPR_POINT_COORD, {VKD3D_SHADER_COMPONENT_FLOAT, 2, SpvBuiltInPointCoord}},
{VKD3DSPR_COVERAGE, {VKD3D_SHADER_COMPONENT_UINT, 1, SpvBuiltInSampleMask, NULL, 1}},
{VKD3DSPR_SAMPLEMASK, {VKD3D_SHADER_COMPONENT_UINT, 1, SpvBuiltInSampleMask, NULL, 1}},
@@ -10596,6 +10601,14 @@ static void spirv_compiler_emit_io_declarations(struct spirv_compiler *compiler)
dst.reg.idx[0].offset = VSIR_RASTOUT_POINT_SIZE;
spirv_compiler_emit_output_register(compiler, &dst);
}
if (compiler->program->has_point_coord)
{
struct vkd3d_shader_dst_param dst;
vsir_dst_param_init(&dst, VKD3DSPR_POINT_COORD, VKD3D_DATA_FLOAT, 0);
spirv_compiler_emit_input_register(compiler, &dst);
}
}
static void spirv_compiler_emit_descriptor_declarations(struct spirv_compiler *compiler)