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Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h new file mode 100644 index 0000000000..a3c5b86954 --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/radeon_opcodes.h @@ -0,0 +1,235 @@ +/* + * Copyright (C) 2009 Nicolai Haehnle. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef RADEON_OPCODES_H +#define RADEON_OPCODES_H + +#include <assert.h> + +/** + * Opcodes understood by the Radeon compiler. + */ +typedef enum { + RC_OPCODE_NOP = 0, + RC_OPCODE_ILLEGAL_OPCODE, + + /** vec4 instruction: dst.c = abs(src0.c); */ + RC_OPCODE_ABS, + + /** vec4 instruction: dst.c = src0.c + src1.c; */ + RC_OPCODE_ADD, + + /** special instruction: load address register + * dst.x = floor(src.x), where dst must be an address register */ + RC_OPCODE_ARL, + + /** vec4 instruction: dst.c = src0.c < 0.0 ? src1.c : src2.c */ + RC_OPCODE_CMP, + + /** scalar instruction: dst = cos(src0.x) */ + RC_OPCODE_COS, + + /** special instruction: take vec4 partial derivative in X direction + * dst.c = d src0.c / dx */ + RC_OPCODE_DDX, + + /** special instruction: take vec4 partial derivative in Y direction + * dst.c = d src0.c / dy */ + RC_OPCODE_DDY, + + /** scalar instruction: dst = src0.x*src1.x + src0.y*src1.y + src0.z*src1.z */ + RC_OPCODE_DP3, + + /** scalar instruction: dst = src0.x*src1.x + src0.y*src1.y + src0.z*src1.z + src0.w*src1.w */ + RC_OPCODE_DP4, + + /** scalar instruction: dst = src0.x*src1.x + src0.y*src1.y + src0.z*src1.z + src1.w */ + RC_OPCODE_DPH, + + /** special instruction, see ARB_fragment_program */ + RC_OPCODE_DST, + + /** scalar instruction: dst = 2**src0.x */ + RC_OPCODE_EX2, + + /** special instruction, see ARB_vertex_program */ + RC_OPCODE_EXP, + + /** vec4 instruction: dst.c = floor(src0.c) */ + RC_OPCODE_FLR, + + /** vec4 instruction: dst.c = src0.c - floor(src0.c) */ + RC_OPCODE_FRC, + + /** special instruction: stop execution if any component of src0 is negative */ + RC_OPCODE_KIL, + + /** scalar instruction: dst = log_2(src0.x) */ + RC_OPCODE_LG2, + + /** special instruction, see ARB_vertex_program */ + RC_OPCODE_LIT, + + /** special instruction, see ARB_vertex_program */ + RC_OPCODE_LOG, + + /** vec4 instruction: dst.c = src0.c*src1.c + (1 - src0.c)*src2.c */ + RC_OPCODE_LRP, + + /** vec4 instruction: dst.c = src0.c*src1.c + src2.c */ + RC_OPCODE_MAD, + + /** vec4 instruction: dst.c = max(src0.c, src1.c) */ + RC_OPCODE_MAX, + + /** vec4 instruction: dst.c = min(src0.c, src1.c) */ + RC_OPCODE_MIN, + + /** vec4 instruction: dst.c = src0.c */ + RC_OPCODE_MOV, + + /** vec4 instruction: dst.c = src0.c*src1.c */ + RC_OPCODE_MUL, + + /** scalar instruction: dst = src0.x ** src1.x */ + RC_OPCODE_POW, + + /** scalar instruction: dst = 1 / src0.x */ + RC_OPCODE_RCP, + + /** scalar instruction: dst = 1 / sqrt(src0.x) */ + RC_OPCODE_RSQ, + + /** special instruction, see ARB_fragment_program */ + RC_OPCODE_SCS, + + /** vec4 instruction: dst.c = (src0.c == src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SEQ, + + /** vec4 instruction: dst.c = 0.0 */ + RC_OPCODE_SFL, + + /** vec4 instruction: dst.c = (src0.c >= src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SGE, + + /** vec4 instruction: dst.c = (src0.c > src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SGT, + + /** scalar instruction: dst = sin(src0.x) */ + RC_OPCODE_SIN, + + /** vec4 instruction: dst.c = (src0.c <= src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SLE, + + /** vec4 instruction: dst.c = (src0.c < src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SLT, + + /** vec4 instruction: dst.c = (src0.c != src1.c) ? 1.0 : 0.0 */ + RC_OPCODE_SNE, + + /** vec4 instruction: dst.c = src0.c - src1.c */ + RC_OPCODE_SUB, + + /** vec4 instruction: dst.c = src0.c */ + RC_OPCODE_SWZ, + + /** special instruction, see ARB_fragment_program */ + RC_OPCODE_XPD, + + RC_OPCODE_TEX, + RC_OPCODE_TXB, + RC_OPCODE_TXD, + RC_OPCODE_TXL, + RC_OPCODE_TXP, + + /** branch instruction: + * If src0.x != 0.0, continue with the next instruction; + * otherwise, jump to matching RC_OPCODE_ELSE or RC_OPCODE_ENDIF. + */ + RC_OPCODE_IF, + + /** branch instruction: jump to matching RC_OPCODE_ENDIF */ + RC_OPCODE_ELSE, + + /** branch instruction: has no effect */ + RC_OPCODE_ENDIF, + + /** special instruction, used in R300-R500 fragment program pair instructions + * indicates that the result of the alpha operation shall be replicated + * across all other channels */ + RC_OPCODE_REPL_ALPHA, + + /** special instruction, used in R300-R500 fragment programs + * to indicate the start of a block of texture instructions that + * can run simultaneously. */ + RC_OPCODE_BEGIN_TEX, + + MAX_RC_OPCODE +} rc_opcode; + + +struct rc_opcode_info { + rc_opcode Opcode; + const char * Name; + + /** true if the instruction reads from a texture. + * + * \note This is false for the KIL instruction, even though KIL is + * a texture instruction from a hardware point of view. */ + unsigned int HasTexture:1; + + unsigned int NumSrcRegs:2; + unsigned int HasDstReg:1; + + /** true if this instruction affects control flow */ + unsigned int IsFlowControl:1; + + /** true if this is a vector instruction that operates on components in parallel + * without any cross-component interaction */ + unsigned int IsComponentwise:1; + + /** true if this instruction sources only its operands X components + * to compute one result which is smeared across all output channels */ + unsigned int IsStandardScalar:1; +}; + +extern struct rc_opcode_info rc_opcodes[MAX_RC_OPCODE]; + +static inline const struct rc_opcode_info * rc_get_opcode_info(rc_opcode opcode) +{ + assert((unsigned int)opcode < MAX_RC_OPCODE); + assert(rc_opcodes[opcode].Opcode == opcode); + + return &rc_opcodes[opcode]; +} + +void rc_compute_sources_for_writemask( + const struct rc_opcode_info * opcode, + unsigned int writemask, + unsigned int *srcmasks); + +#endif /* RADEON_OPCODES_H */ |