Mesa (master): r600g: fix glean texCube and shadows.
Dave Airlie
airlied at kemper.freedesktop.org
Wed Sep 1 02:55:42 UTC 2010
Module: Mesa
Branch: master
Commit: bea5f559a6f52e8fb7c32ee8e9f9c5f04c05b582
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bea5f559a6f52e8fb7c32ee8e9f9c5f04c05b582
Author: Dave Airlie <airlied at redhat.com>
Date: Wed Sep 1 11:37:39 2010 +1000
r600g: fix glean texCube and shadows.
add cube and shadow support to the texture code.
---
src/gallium/drivers/r600/r600_shader.c | 154 ++++++++++++++++++++++++++++++-
1 files changed, 149 insertions(+), 5 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index bc18111..a262900 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)
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