From 5411b96c5fc9b50ca4cd1ae61eb9d8b00fe5ff9a Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Sat, 3 Jun 2006 16:36:23 +0000 Subject: Add start of vertex shader backend, will most likely not work correctly yet --- src/mesa/drivers/dri/nouveau/nouveau_shader.h | 74 +++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 src/mesa/drivers/dri/nouveau/nouveau_shader.h (limited to 'src/mesa/drivers/dri/nouveau/nouveau_shader.h') diff --git a/src/mesa/drivers/dri/nouveau/nouveau_shader.h b/src/mesa/drivers/dri/nouveau/nouveau_shader.h new file mode 100644 index 0000000000..2dbae53460 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_shader.h @@ -0,0 +1,74 @@ +#ifndef __NOUVEAU_SHADER_H__ +#define __NOUVEAU_SHADER_H__ + +typedef struct _nouveau_regrec nouveau_regrec; +typedef struct _nouveau_srcreg nouveau_srcreg; +typedef struct _nouveau_dstreg nouveau_dstreg; +typedef struct _nouveau_vertex_program nouveau_vertex_program; + +/* Instruction flags, used by emit_arith functions */ +#define NOUVEAU_OUT_ABS (1 << 0) +#define NOUVEAU_OUT_SAT (1 << 1) + +typedef enum { + UNKNOWN = 0, + HW_TEMP, + HW_INPUT, + HW_CONST, + HW_OUTPUT +} nouveau_regtype; + +/* To track a hardware register's state */ +struct _nouveau_regrec { + nouveau_regtype file; + int hw_id; + int ref; +}; + +struct _nouveau_srcreg { + nouveau_regrec *hw; + int idx; + + int negate; + int swizzle; +}; + +struct _nouveau_dstreg { + nouveau_regrec *hw; + int idx; + + int mask; + + int condup, condreg; + int condtest; + int condswz; +}; + +struct _nouveau_vertex_program { + struct vertex_program mesa_program; /* must be first! */ + + /* Used to convert from Mesa register state to on-hardware state */ + long *temps_in_use; + nouveau_regrec inputs[14]; + nouveau_regrec temps[64]; + + long *hwtemps_written; + long *hwtemps_in_use; + + unsigned int *insns; + unsigned int insns_alloced; + unsigned int inst_count; + unsigned int inst_start; +}; + +/* Helper functions */ +void nvsRecInit (long **rec, int max); +void nvsBitSet (long *rec, int bit); +void nvsBitClear (long *rec, int bit); +int nvsAllocIndex(long *rec, int max); + +int nv40TranslateVertexProgram(nouveau_vertex_program *vp); +//int nv40TranslateFragmentProgram(nouveau_vertex_program *vp); + +#endif /* __NOUVEAU_SHADER_H__ */ + -- cgit v1.2.3