From bea5f559a6f52e8fb7c32ee8e9f9c5f04c05b582 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Wed, 1 Sep 2010 11:37:39 +1000 Subject: [PATCH] r600g: fix glean texCube and shadows. add cube and shadow support to the texture code. --- src/gallium/drivers/r600/r600_shader.c | 154 ++++++++++++++++++++++++- 1 file changed, 149 insertions(+), 5 deletions(-) diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index bc1811129bf..a26290062ad 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -1470,6 +1470,9 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) struct r600_bc_alu alu; unsigned src_gpr; int r, i; + int opcode; + boolean src_not_temp = inst->Src[0].Register.File != TGSI_FILE_TEMPORARY; + uint32_t lit_vals[4]; src_gpr = ctx->file_offset[inst->Src[0].Register.File] + inst->Src[0].Register.Index; @@ -1477,7 +1480,10 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) /* Add perspective divide */ memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE; - alu.src[0].sel = src_gpr; + r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]); + if (r) + return r; + alu.src[0].chan = tgsi_chan(&inst->Src[0], 3); alu.dst.sel = ctx->temp_reg; alu.dst.chan = 3; @@ -1492,7 +1498,9 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL; alu.src[0].sel = ctx->temp_reg; alu.src[0].chan = 3; - alu.src[1].sel = src_gpr; + r = tgsi_src(ctx, &inst->Src[0], &alu.src[1]); + if (r) + return r; alu.src[1].chan = tgsi_chan(&inst->Src[0], i); alu.dst.sel = ctx->temp_reg; alu.dst.chan = i; @@ -1512,8 +1520,122 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) r = r600_bc_add_alu(ctx->bc, &alu); if (r) return r; + src_not_temp = false; src_gpr = ctx->temp_reg; - } else if (inst->Src[0].Register.File != TGSI_FILE_TEMPORARY) { + } + + if (inst->Texture.Texture == TGSI_TEXTURE_CUBE) { + int src_chan, src2_chan; + + /* tmp1.xyzw = CUBE(R0.zzxy, R0.yxzz) */ + for (i = 0; i < 4; i++) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.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; + } + r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]); + if (r) + return r; + alu.src[0].chan = tgsi_chan(&inst->Src[0], src_chan); + r = tgsi_src(ctx, &inst->Src[0], &alu.src[1]); + if (r) + return r; + alu.src[1].chan = tgsi_chan(&inst->Src[0], src2_chan); + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = i; + if (i == 3) + alu.last = 1; + alu.dst.write = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + } + + /* tmp1.z = RCP_e(|tmp1.z|) */ + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE; + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = 2; + alu.src[0].abs = 1; + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 2; + alu.dst.write = 1; + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + /* MULADD R0.x, R0.x, PS1, (0x3FC00000, 1.5f).x + * MULADD R0.y, R0.y, PS1, (0x3FC00000, 1.5f).x + * muladd has no writemask, have to use another temp + */ + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD; + alu.is_op3 = 1; + + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = 0; + alu.src[1].sel = ctx->temp_reg; + alu.src[1].chan = 2; + + alu.src[2].sel = V_SQ_ALU_SRC_LITERAL; + alu.src[2].chan = 0; + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 0; + alu.dst.write = 1; + + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + memset(&alu, 0, sizeof(struct r600_bc_alu)); + alu.inst = V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MULADD; + alu.is_op3 = 1; + + alu.src[0].sel = ctx->temp_reg; + alu.src[0].chan = 1; + alu.src[1].sel = ctx->temp_reg; + alu.src[1].chan = 2; + + alu.src[2].sel = V_SQ_ALU_SRC_LITERAL; + alu.src[2].chan = 0; + + alu.dst.sel = ctx->temp_reg; + alu.dst.chan = 1; + alu.dst.write = 1; + + alu.last = 1; + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + lit_vals[0] = fui(1.5f); + + r = r600_bc_add_literal(ctx->bc, lit_vals); + if (r) + return r; + src_not_temp = false; + src_gpr = ctx->temp_reg; + } + + if (src_not_temp) { for (i = 0; i < 4; i++) { memset(&alu, 0, sizeof(struct r600_bc_alu)); alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV; @@ -1530,9 +1652,14 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) } src_gpr = ctx->temp_reg; } + + opcode = ctx->inst_info->r600_opcode; + if (opcode == SQ_TEX_INST_SAMPLE && + (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D)) + opcode = SQ_TEX_INST_SAMPLE_C; memset(&tex, 0, sizeof(struct r600_bc_tex)); - tex.inst = ctx->inst_info->r600_opcode; + tex.inst = opcode; tex.resource_id = ctx->file_offset[inst->Src[1].Register.File] + inst->Src[1].Register.Index; tex.sampler_id = tex.resource_id; tex.src_gpr = src_gpr; @@ -1546,13 +1673,30 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) tex.src_sel_z = 2; tex.src_sel_w = 3; + if (inst->Texture.Texture == TGSI_TEXTURE_CUBE) { + tex.src_sel_x = 1; + tex.src_sel_y = 0; + tex.src_sel_z = 3; + tex.src_sel_w = 1; + } + if (inst->Texture.Texture != TGSI_TEXTURE_RECT) { tex.coord_type_x = 1; tex.coord_type_y = 1; tex.coord_type_z = 1; tex.coord_type_w = 1; } - return r600_bc_add_tex(ctx->bc, &tex); + + if (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D) + tex.coord_type_w = 2; + + r = r600_bc_add_tex(ctx->bc, &tex); + if (r) + return r; + + /* add shadow ambient support - gallium doesn't do it yet */ + return 0; + } static int tgsi_lrp(struct r600_shader_ctx *ctx) -- 2.30.2