diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 89 |
1 files changed, 14 insertions, 75 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 4146cb3c5fd..546e21d6da3 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1722,37 +1722,15 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) } if (inst->Texture.Texture == TGSI_TEXTURE_CUBE) { - int src_chan, src2_chan; + static const unsigned src0_swizzle[] = {2, 2, 0, 1}; + static const unsigned src1_swizzle[] = {1, 0, 2, 2}; /* tmp1.xyzw = CUBE(R0.zzxy, R0.yxzz) */ for (i = 0; i < 4; i++) { memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_CUBE); - switch (i) { - case 0: - src_chan = 2; - src2_chan = 1; - break; - case 1: - src_chan = 2; - src2_chan = 0; - break; - case 2: - src_chan = 0; - src2_chan = 2; - break; - case 3: - src_chan = 1; - src2_chan = 2; - break; - default: - assert(0); - src_chan = 0; - src2_chan = 0; - break; - } - r600_bc_src(&alu.src[0], &ctx->src[0], src_chan); - r600_bc_src(&alu.src[1], &ctx->src[0], src2_chan); + r600_bc_src(&alu.src[0], &ctx->src[0], src0_swizzle[i]); + r600_bc_src(&alu.src[1], &ctx->src[0], src1_swizzle[i]); alu.dst.sel = ctx->temp_reg; alu.dst.chan = i; if (i == 3) @@ -2027,6 +2005,8 @@ static int tgsi_cmp(struct r600_shader_ctx *ctx) static int tgsi_xpd(struct r600_shader_ctx *ctx) { struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction; + static const unsigned int src0_swizzle[] = {2, 0, 1}; + static const unsigned int src1_swizzle[] = {1, 2, 0}; struct r600_bc_alu alu; uint32_t use_temp = 0; int i, r; @@ -2037,33 +2017,12 @@ static int tgsi_xpd(struct r600_shader_ctx *ctx) for (i = 0; i < 4; i++) { memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL); - - switch (i) { - case 0: - r600_bc_src(&alu.src[0], &ctx->src[0], 2); - break; - case 1: - r600_bc_src(&alu.src[0], &ctx->src[0], 0); - break; - case 2: - r600_bc_src(&alu.src[0], &ctx->src[0], 1); - break; - case 3: + if (i < 3) { + r600_bc_src(&alu.src[0], &ctx->src[0], src0_swizzle[i]); + r600_bc_src(&alu.src[1], &ctx->src[1], src1_swizzle[i]); + } else { alu.src[0].sel = V_SQ_ALU_SRC_0; alu.src[0].chan = i; - } - - switch (i) { - case 0: - r600_bc_src(&alu.src[1], &ctx->src[1], 1); - break; - case 1: - r600_bc_src(&alu.src[1], &ctx->src[1], 2); - break; - case 2: - r600_bc_src(&alu.src[1], &ctx->src[1], 0); - break; - case 3: alu.src[1].sel = V_SQ_ALU_SRC_0; alu.src[1].chan = i; } @@ -2083,32 +2042,12 @@ static int tgsi_xpd(struct r600_shader_ctx *ctx) memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD); - switch (i) { - case 0: - r600_bc_src(&alu.src[0], &ctx->src[0], 1); - break; - case 1: - r600_bc_src(&alu.src[0], &ctx->src[0], 2); - break; - case 2: - r600_bc_src(&alu.src[0], &ctx->src[0], 0); - break; - case 3: + if (i < 3) { + r600_bc_src(&alu.src[0], &ctx->src[0], src1_swizzle[i]); + r600_bc_src(&alu.src[1], &ctx->src[1], src0_swizzle[i]); + } else { alu.src[0].sel = V_SQ_ALU_SRC_0; alu.src[0].chan = i; - } - - switch (i) { - case 0: - r600_bc_src(&alu.src[1], &ctx->src[1], 2); - break; - case 1: - r600_bc_src(&alu.src[1], &ctx->src[1], 0); - break; - case 2: - r600_bc_src(&alu.src[1], &ctx->src[1], 1); - break; - case 3: alu.src[1].sel = V_SQ_ALU_SRC_0; alu.src[1].chan = i; } |