diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program.h | 166 |
1 files changed, 139 insertions, 27 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h index 561958608c..33db3ea0ff 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h @@ -28,37 +28,144 @@ #ifndef __RADEON_PROGRAM_H_ #define __RADEON_PROGRAM_H_ -#include "main/glheader.h" -#include "main/macros.h" -#include "main/enums.h" -#include "shader/program.h" -#include "shader/prog_instruction.h" +#include <stdint.h> +#include <string.h> + +#include "radeon_opcodes.h" +#include "radeon_code.h" +#include "radeon_program_constants.h" +#include "radeon_program_pair.h" struct radeon_compiler; -struct rc_instruction; -struct rc_program; -enum { - PROGRAM_BUILTIN = PROGRAM_FILE_MAX /**< not a real register, but a special swizzle constant */ +struct rc_src_register { + rc_register_file File:3; + + /** Negative values may be used for relative addressing. */ + signed int Index:(RC_REGISTER_INDEX_BITS+1); + unsigned int RelAddr:1; + + unsigned int Swizzle:12; + + /** Take the component-wise absolute value */ + unsigned int Abs:1; + + /** Post-Abs negation. */ + unsigned int Negate:4; +}; + +struct rc_dst_register { + rc_register_file File:3; + + /** Negative values may be used for relative addressing. */ + signed int Index:(RC_REGISTER_INDEX_BITS+1); + unsigned int RelAddr:1; + + unsigned int WriteMask:4; +}; + +/** + * Instructions are maintained by the compiler in a doubly linked list + * of these structures. + * + * This instruction format is intended to be expanded for hardware-specific + * trickery. At different stages of compilation, a different set of + * instruction types may be valid. + */ +struct rc_sub_instruction { + struct rc_src_register SrcReg[3]; + struct rc_dst_register DstReg; + + /** + * Opcode of this instruction, according to \ref rc_opcode enums. + */ + rc_opcode Opcode:8; + + /** + * Saturate each value of the result to the range [0,1] or [-1,1], + * according to \ref rc_saturate_mode enums. + */ + rc_saturate_mode SaturateMode:2; + + /** + * Writing to the special register RC_SPECIAL_ALU_RESULT + */ + /*@{*/ + rc_write_aluresult WriteALUResult:2; + rc_compare_func ALUResultCompare:3; + /*@}*/ + + /** + * \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions. + */ + /*@{*/ + /** Source texture unit. */ + unsigned int TexSrcUnit:5; + + /** Source texture target, one of the \ref rc_texture_target enums */ + rc_texture_target TexSrcTarget:3; + + /** True if tex instruction should do shadow comparison */ + unsigned int TexShadow:1; + /*@}*/ +}; + +typedef enum { + RC_INSTRUCTION_NORMAL = 0, + RC_INSTRUCTION_PAIR +} rc_instruction_type; + +struct rc_instruction { + struct rc_instruction * Prev; + struct rc_instruction * Next; + + rc_instruction_type Type; + union { + struct rc_sub_instruction I; + struct rc_pair_instruction P; + } U; + + /** + * Warning: IPs are not stable. If you want to use them, + * you need to recompute them at the beginning of each pass + * using \ref rc_recompute_ips + */ + unsigned int IP; +}; + +struct rc_program { + /** + * Instructions.Next points to the first instruction, + * Instructions.Prev points to the last instruction. + */ + struct rc_instruction Instructions; + + /* Long term, we should probably remove InputsRead & OutputsWritten, + * since updating dependent state can be fragile, and they aren't + * actually used very often. */ + uint32_t InputsRead; + uint32_t OutputsWritten; + uint32_t ShadowSamplers; /**< Texture units used for shadow sampling. */ + + struct rc_constant_list Constants; }; enum { - OPCODE_REPL_ALPHA = MAX_OPCODE /**< used in paired instructions */ + OPCODE_REPL_ALPHA = MAX_RC_OPCODE /**< used in paired instructions */ }; -#define SWIZZLE_0000 MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO) -#define SWIZZLE_1111 MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE) -static inline GLuint get_swz(GLuint swz, GLuint idx) +static inline rc_swizzle get_swz(unsigned int swz, rc_swizzle idx) { if (idx & 0x4) return idx; return GET_SWZ(swz, idx); } -static inline GLuint combine_swizzles4(GLuint src, GLuint swz_x, GLuint swz_y, GLuint swz_z, GLuint swz_w) +static inline unsigned int combine_swizzles4(unsigned int src, + rc_swizzle swz_x, rc_swizzle swz_y, rc_swizzle swz_z, rc_swizzle swz_w) { - GLuint ret = 0; + unsigned int ret = 0; ret |= get_swz(src, swz_x); ret |= get_swz(src, swz_y) << 3; @@ -68,22 +175,24 @@ static inline GLuint combine_swizzles4(GLuint src, GLuint swz_x, GLuint swz_y, G return ret; } -static inline GLuint combine_swizzles(GLuint src, GLuint swz) +static inline unsigned int combine_swizzles(unsigned int src, unsigned int swz) { - GLuint ret = 0; + unsigned int ret = 0; - ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_X)); - ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_Y)) << 3; - ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_Z)) << 6; - ret |= get_swz(src, GET_SWZ(swz, SWIZZLE_W)) << 9; + ret |= get_swz(src, GET_SWZ(swz, RC_SWIZZLE_X)); + ret |= get_swz(src, GET_SWZ(swz, RC_SWIZZLE_Y)) << 3; + ret |= get_swz(src, GET_SWZ(swz, RC_SWIZZLE_Z)) << 6; + ret |= get_swz(src, GET_SWZ(swz, RC_SWIZZLE_W)) << 9; return ret; } -static INLINE void reset_srcreg(struct prog_src_register* reg) +struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg); + +static inline void reset_srcreg(struct rc_src_register* reg) { - _mesa_bzero(reg, sizeof(*reg)); - reg->Swizzle = SWIZZLE_NOOP; + memset(reg, 0, sizeof(reg)); + reg->Swizzle = RC_SWIZZLE_XYZW; } @@ -92,13 +201,13 @@ static INLINE void reset_srcreg(struct prog_src_register* reg) * * The function will be called once for each instruction. * It has to either emit the appropriate transformed code for the instruction - * and return GL_TRUE, or return GL_FALSE if it doesn't understand the + * and return true, or return false if it doesn't understand the * instruction. * * The function gets passed the userData as last parameter. */ struct radeon_program_transformation { - GLboolean (*function)( + int (*function)( struct radeon_compiler*, struct rc_instruction*, void*); @@ -110,12 +219,15 @@ void radeonLocalTransform( int num_transformations, struct radeon_program_transformation* transformations); -GLint rc_find_free_temporary(struct radeon_compiler * c); +unsigned int rc_find_free_temporary(struct radeon_compiler * c); struct rc_instruction *rc_alloc_instruction(struct radeon_compiler * c); struct rc_instruction *rc_insert_new_instruction(struct radeon_compiler * c, struct rc_instruction * after); +void rc_insert_instruction(struct rc_instruction * after, struct rc_instruction * inst); void rc_remove_instruction(struct rc_instruction * inst); +unsigned int rc_recompute_ips(struct radeon_compiler * c); + void rc_print_program(const struct rc_program *prog); #endif |