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vkd3d-shader/ir: Merge all shader IR fork and join phases into a single phase.

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Normalise the incoming vkd3d_shader_instruction IR to the shader model 6
pattern. This allows generation of a single patch constant function in
SPIR-V.
This commit is contained in:
Conor McCarthy
2023-03-01 11:59:28 +10:00
committed by Alexandre Julliard
parent 57d92a15cf
commit eabdccb117
Notes: Alexandre Julliard 2023-04-03 22:08:13 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/84
5 changed files with 405 additions and 105 deletions
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19
libs/vkd3d-shader/vkd3d_shader_private.h
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@@ -981,6 +981,8 @@ bool shader_instruction_array_init(struct vkd3d_shader_instruction_array *instru
bool shader_instruction_array_reserve(struct vkd3d_shader_instruction_array *instructions, unsigned int reserve);
bool shader_instruction_array_add_icb(struct vkd3d_shader_instruction_array *instructions,
struct vkd3d_shader_immediate_constant_buffer *icb);
bool shader_instruction_array_clone_instruction(struct vkd3d_shader_instruction_array *instructions,
unsigned int dst, unsigned int src);
void shader_instruction_array_destroy(struct vkd3d_shader_instruction_array *instructions);
struct vkd3d_shader_parser
@@ -1323,4 +1325,21 @@ void dxbc_writer_add_section(struct dxbc_writer *dxbc, uint32_t tag, const void
void dxbc_writer_init(struct dxbc_writer *dxbc);
int dxbc_writer_write(struct dxbc_writer *dxbc, struct vkd3d_shader_code *code);
struct vkd3d_shader_normaliser
{
struct vkd3d_shader_instruction_array instructions;
unsigned int max_temp_count;
unsigned int temp_dcl_idx;
unsigned int instance_count;
unsigned int phase_body_idx;
enum vkd3d_shader_opcode phase;
};
void shader_normaliser_init(struct vkd3d_shader_normaliser *normaliser,
struct vkd3d_shader_instruction_array *instructions);
enum vkd3d_result shader_normaliser_flatten_hull_shader_phases(struct vkd3d_shader_normaliser *normaliser);
void shader_normaliser_destroy(struct vkd3d_shader_normaliser *normaliser);
#endif /* __VKD3D_SHADER_PRIVATE_H */