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vkd3d-shader/spirv: Implement shader point size.

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This commit is contained in:
Elizabeth Figura
2024-10-03 13:10:10 -05:00
committed by Henri Verbeet
parent a29a4288d2
commit 6ee17cf77e
Notes: Henri Verbeet 2024-10-10 23:00:15 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1146
5 changed files with 48 additions and 22 deletions
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25
libs/vkd3d-shader/spirv.c
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@@ -4863,6 +4863,10 @@ static const struct vkd3d_spirv_builtin vkd3d_pixel_shader_position_builtin =
{
VKD3D_SHADER_COMPONENT_FLOAT, 4, SpvBuiltInFragCoord, frag_coord_fixup,
};
static const struct vkd3d_spirv_builtin vkd3d_output_point_size_builtin =
{
VKD3D_SHADER_COMPONENT_FLOAT, 1, SpvBuiltInPointSize,
};
static const struct
{
enum vkd3d_shader_register_type reg_type;
@@ -5452,7 +5456,11 @@ static void spirv_compiler_emit_output_register(struct spirv_compiler *compiler,
VKD3D_ASSERT(!reg->idx_count || !reg->idx[0].rel_addr);
VKD3D_ASSERT(reg->idx_count < 2);
if (!(builtin = get_spirv_builtin_for_register(reg->type)))
if (reg->type == VKD3DSPR_RASTOUT && reg->idx[0].offset == VSIR_RASTOUT_POINT_SIZE)
{
builtin = &vkd3d_output_point_size_builtin;
}
else if (!(builtin = get_spirv_builtin_for_register(reg->type)))
{
FIXME("Unhandled register %#x.\n", reg->type);
return;
@@ -6749,7 +6757,8 @@ static void spirv_compiler_emit_dcl_input_primitive(struct spirv_compiler *compi
static void spirv_compiler_emit_point_size(struct spirv_compiler *compiler)
{
static const struct vkd3d_spirv_builtin point_size = {VKD3D_SHADER_COMPONENT_FLOAT, 1, SpvBuiltInPointSize};
if (compiler->program->has_point_size)
return;
/* Set the point size. Point sprites are not supported in d3d10+, but
* point primitives can still be used with e.g. stream output. Vulkan
@@ -6763,7 +6772,8 @@ static void spirv_compiler_emit_point_size(struct spirv_compiler *compiler)
|| compiler->write_tess_geom_point_size)
{
vkd3d_spirv_build_op_store(&compiler->spirv_builder,
spirv_compiler_emit_builtin_variable(compiler, &point_size, SpvStorageClassOutput, 0),
spirv_compiler_emit_builtin_variable(compiler,
&vkd3d_output_point_size_builtin, SpvStorageClassOutput, 0),
spirv_compiler_get_constant_float(compiler, 1.0f), SpvMemoryAccessMaskNone);
}
}
@@ -10577,6 +10587,15 @@ static void spirv_compiler_emit_io_declarations(struct spirv_compiler *compiler)
else
spirv_compiler_emit_input(compiler, VKD3DSPR_PATCHCONST, i);
}
if (compiler->program->has_point_size)
{
struct vkd3d_shader_dst_param dst;
vsir_dst_param_init(&dst, VKD3DSPR_RASTOUT, VKD3D_DATA_FLOAT, 1);
dst.reg.idx[0].offset = VSIR_RASTOUT_POINT_SIZE;
spirv_compiler_emit_output_register(compiler, &dst);
}
}
static void spirv_compiler_emit_descriptor_declarations(struct spirv_compiler *compiler)