r600g: first pass at texture support
authorJerome Glisse <jglisse@redhat.com>
Sat, 24 Jul 2010 00:55:48 +0000 (20:55 -0400)
committerJerome Glisse <jglisse@redhat.com>
Sat, 24 Jul 2010 00:57:21 +0000 (20:57 -0400)
This add texture support to the assembler, generated code is
wrong (tested against working dump).

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
src/gallium/drivers/r600/r600_asm.c
src/gallium/drivers/r600/r600_asm.h
src/gallium/drivers/r600/r600_context.c
src/gallium/drivers/r600/r600_helper.c
src/gallium/drivers/r600/r600_shader.c
src/gallium/drivers/r600/r600_sq.h

index 6e48703a57954f977a07a3b2956943747f493b63..e678a2fdf2ca3d06b5d747f64165038d81d964b4 100644 (file)
@@ -38,6 +38,7 @@ static struct r600_bc_cf *r600_bc_cf(void)
        LIST_INITHEAD(&cf->list);
        LIST_INITHEAD(&cf->alu);
        LIST_INITHEAD(&cf->vtx);
+       LIST_INITHEAD(&cf->tex);
        return cf;
 }
 
@@ -61,6 +62,16 @@ static struct r600_bc_vtx *r600_bc_vtx(void)
        return vtx;
 }
 
+static struct r600_bc_tex *r600_bc_tex(void)
+{
+       struct r600_bc_tex *tex = CALLOC_STRUCT(r600_bc_tex);
+
+       if (tex == NULL)
+               return NULL;
+       LIST_INITHEAD(&tex->list);
+       return tex;
+}
+
 int r600_bc_init(struct r600_bc *bc, enum radeon_family family)
 {
        LIST_INITHEAD(&bc->cf);
@@ -149,8 +160,14 @@ int r600_bc_add_literal(struct r600_bc *bc, const u32 *value)
 {
        struct r600_bc_alu *alu;
 
-       if (bc->cf_last == NULL ||
-               bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
+       if (bc->cf_last == NULL) {
+               R600_ERR("no last CF\n");
+               return -EINVAL;
+       }
+       if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
+               return 0;
+       }
+       if (bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
                LIST_IS_EMPTY(&bc->cf_last->alu)) {
                R600_ERR("last CF is not ALU (%p)\n", bc->cf_last);
                return -EINVAL;
@@ -186,13 +203,39 @@ int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx)
                bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_VTX;
        }
        LIST_ADDTAIL(&nvtx->list, &bc->cf_last->vtx);
-       /* each fetch use 6 dwords */
+       /* each fetch use 4 dwords */
        bc->cf_last->ndw += 4;
        bc->ndw += 4;
        return 0;
 }
 
-int r600_bc_vtx_build(struct r600_bc *bc, struct r600_bc_vtx *vtx, unsigned id)
+int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex)
+{
+       struct r600_bc_tex *ntex = r600_bc_tex();
+       int r;
+
+       if (ntex == NULL)
+               return -ENOMEM;
+       memcpy(ntex, tex, sizeof(struct r600_bc_tex));
+
+       /* cf can contains only alu or only vtx or only tex */
+       if (bc->cf_last == NULL ||
+               bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
+               r = r600_bc_add_cf(bc);
+               if (r) {
+                       free(ntex);
+                       return r;
+               }
+               bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_TEX;
+       }
+       LIST_ADDTAIL(&ntex->list, &bc->cf_last->tex);
+       /* each texture fetch use 4 dwords */
+       bc->cf_last->ndw += 4;
+       bc->ndw += 4;
+       return 0;
+}
+
+static int r600_bc_vtx_build(struct r600_bc *bc, struct r600_bc_vtx *vtx, unsigned id)
 {
        bc->bytecode[id++] = S_SQ_VTX_WORD0_BUFFER_ID(vtx->buffer_id) |
                                S_SQ_VTX_WORD0_SRC_GPR(vtx->src_gpr) |
@@ -209,6 +252,35 @@ int r600_bc_vtx_build(struct r600_bc *bc, struct r600_bc_vtx *vtx, unsigned id)
        return 0;
 }
 
+static int r600_bc_tex_build(struct r600_bc *bc, struct r600_bc_tex *tex, unsigned id)
+{
+       bc->bytecode[id++] = S_SQ_TEX_WORD0_TEX_INST(tex->inst) |
+                               S_SQ_TEX_WORD0_RESOURCE_ID(tex->resource_id) |
+                               S_SQ_TEX_WORD0_SRC_GPR(tex->src_gpr) |
+                               S_SQ_TEX_WORD0_SRC_REL(tex->src_rel);
+       bc->bytecode[id++] = S_SQ_TEX_WORD1_DST_GPR(tex->dst_gpr) |
+                               S_SQ_TEX_WORD1_DST_REL(tex->dst_rel) |
+                               S_SQ_TEX_WORD1_DST_SEL_X(tex->dst_sel_x) |
+                               S_SQ_TEX_WORD1_DST_SEL_Y(tex->dst_sel_y) |
+                               S_SQ_TEX_WORD1_DST_SEL_Z(tex->dst_sel_z) |
+                               S_SQ_TEX_WORD1_DST_SEL_W(tex->dst_sel_w) |
+                               S_SQ_TEX_WORD1_LOD_BIAS(tex->lod_bias) |
+                               S_SQ_TEX_WORD1_COORD_TYPE_X(tex->coord_type_x) |
+                               S_SQ_TEX_WORD1_COORD_TYPE_Y(tex->coord_type_y) |
+                               S_SQ_TEX_WORD1_COORD_TYPE_Z(tex->coord_type_z) |
+                               S_SQ_TEX_WORD1_COORD_TYPE_W(tex->coord_type_w);
+       bc->bytecode[id++] = S_SQ_TEX_WORD2_OFFSET_X(tex->offset_x) |
+                               S_SQ_TEX_WORD2_OFFSET_Y(tex->offset_y) |
+                               S_SQ_TEX_WORD2_OFFSET_Z(tex->offset_z) |
+                               S_SQ_TEX_WORD2_SAMPLER_ID(tex->sampler_id) |
+                               S_SQ_TEX_WORD2_SRC_SEL_X(tex->src_sel_x) |
+                               S_SQ_TEX_WORD2_SRC_SEL_Y(tex->src_sel_y) |
+                               S_SQ_TEX_WORD2_SRC_SEL_Z(tex->src_sel_z) |
+                               S_SQ_TEX_WORD2_SRC_SEL_W(tex->src_sel_w);
+       bc->bytecode[id++] = 0;
+       return 0;
+}
+
 int r600_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
 {
        unsigned i;
@@ -262,6 +334,7 @@ int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
                                        S_SQ_CF_ALU_WORD1_BARRIER(1) |
                                        S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
                break;
+       case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
        case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
        case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
                bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
@@ -295,6 +368,7 @@ int r600_bc_build(struct r600_bc *bc)
        struct r600_bc_cf *cf;
        struct r600_bc_alu *alu;
        struct r600_bc_vtx *vtx;
+       struct r600_bc_tex *tex;
        unsigned addr;
        int r;
 
@@ -306,6 +380,7 @@ int r600_bc_build(struct r600_bc *bc)
                switch (cf->inst) {
                case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
                        break;
+               case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
                case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
                case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
                        /* fetch node need to be 16 bytes aligned*/
@@ -373,6 +448,14 @@ int r600_bc_build(struct r600_bc *bc)
                                addr += 4;
                        }
                        break;
+               case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
+                       LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
+                               r = r600_bc_tex_build(bc, tex, addr);
+                               if (r)
+                                       return r;
+                               addr += 4;
+                       }
+                       break;
                case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
                case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
                        break;
index 8a874a9df5af76430bc3856ce7774d565394bebe..88fb957440a6858784e4fd7b34427c24358b7566 100644 (file)
@@ -51,6 +51,33 @@ struct r600_bc_alu {
        u32                             value[4];
 };
 
+struct r600_bc_tex {
+       struct list_head                list;
+       unsigned                        inst;
+       unsigned                        resource_id;
+       unsigned                        src_gpr;
+       unsigned                        src_rel;
+       unsigned                        dst_gpr;
+       unsigned                        dst_rel;
+       unsigned                        dst_sel_x;
+       unsigned                        dst_sel_y;
+       unsigned                        dst_sel_z;
+       unsigned                        dst_sel_w;
+       unsigned                        lod_bias;
+       unsigned                        coord_type_x;
+       unsigned                        coord_type_y;
+       unsigned                        coord_type_z;
+       unsigned                        coord_type_w;
+       unsigned                        offset_x;
+       unsigned                        offset_y;
+       unsigned                        offset_z;
+       unsigned                        sampler_id;
+       unsigned                        src_sel_x;
+       unsigned                        src_sel_y;
+       unsigned                        src_sel_z;
+       unsigned                        src_sel_w;
+};
+
 struct r600_bc_vtx {
        struct list_head                list;
        unsigned                        inst;
@@ -87,6 +114,7 @@ struct r600_bc_cf {
        unsigned                        ndw;
        unsigned                        id;
        struct list_head                alu;
+       struct list_head                tex;
        struct list_head                vtx;
        struct r600_bc_output           output;
 };
@@ -106,6 +134,7 @@ int r600_bc_init(struct r600_bc *bc, enum radeon_family family);
 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu);
 int r600_bc_add_literal(struct r600_bc *bc, const u32 *value);
 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx);
+int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex);
 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output);
 int r600_bc_build(struct r600_bc *bc);
 
index 3c5195f79e48275c47f74cffa1f7de2d5df16b50..05575b576763a939d3e3efa18f685ce6c4e08b52 100644 (file)
@@ -55,7 +55,7 @@ static void r600_flush(struct pipe_context *ctx, unsigned flags,
         */
        if (!dc)
                radeon_ctx_dump_bof(rctx->ctx, "gallium.bof");
-#if 1
+#if 0
        radeon_ctx_submit(rctx->ctx);
 #endif
        rctx->ctx = radeon_ctx_decref(rctx->ctx);
index e3175b627aa4d9c5bece134fbaee9da7d11e0f9b..7241ab1c175d4ca33c4416ddaf38e4f1bfad8144 100644 (file)
@@ -27,6 +27,7 @@
 #include <errno.h>
 #include <util/u_inlines.h>
 #include "r600_screen.h"
+#include "r600_context.h"
 #include "r600d.h"
 
 int r600_conv_pipe_format(unsigned pformat, unsigned *format)
@@ -49,6 +50,12 @@ int r600_conv_pipe_format(unsigned pformat, unsigned *format)
        case PIPE_FORMAT_R8G8B8A8_SSCALED:
                *format = V_0280A0_COLOR_8_8_8_8;
                return 0;
+       case PIPE_FORMAT_R32_FLOAT:
+               *format = V_0280A0_COLOR_32_FLOAT;
+               return 0;
+       case PIPE_FORMAT_R32G32_FLOAT:
+               *format = V_0280A0_COLOR_32_32_FLOAT;
+               return 0;
        case PIPE_FORMAT_L8_UNORM:
        case PIPE_FORMAT_A8_UNORM:
        case PIPE_FORMAT_I8_UNORM:
@@ -60,8 +67,6 @@ int r600_conv_pipe_format(unsigned pformat, unsigned *format)
        case PIPE_FORMAT_R64G64_FLOAT:
        case PIPE_FORMAT_R64G64B64_FLOAT:
        case PIPE_FORMAT_R64G64B64A64_FLOAT:
-       case PIPE_FORMAT_R32_FLOAT:
-       case PIPE_FORMAT_R32G32_FLOAT:
        case PIPE_FORMAT_R32_UNORM:
        case PIPE_FORMAT_R32G32_UNORM:
        case PIPE_FORMAT_R32G32B32_UNORM:
@@ -111,7 +116,7 @@ int r600_conv_pipe_format(unsigned pformat, unsigned *format)
        case PIPE_FORMAT_R32G32B32_FIXED:
        case PIPE_FORMAT_R32G32B32A32_FIXED:
        default:
-               fprintf(stderr, "%s:%d unsupported %d\n", __func__, __LINE__, pformat);
+               R600_ERR("unsupported %d\n", pformat);
                return -EINVAL;
        }
 }
index d788ab88be0138d8a0dcf4478e1818dd6212c95f..e865f013f71227a07b8282f6d7918a4a01b76c61 100644 (file)
@@ -23,6 +23,7 @@
 #include "pipe/p_shader_tokens.h"
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_scan.h"
+#include "tgsi/tgsi_dump.h"
 #include "util/u_format.h"
 #include "r600_screen.h"
 #include "r600_context.h"
@@ -259,10 +260,6 @@ static int tgsi_is_supported(struct r600_shader_ctx *ctx)
                R600_ERR("label unsupported\n");
                return -EINVAL;
        }
-       if (i->Instruction.Texture) {
-               R600_ERR("texture unsupported\n");
-               return -EINVAL;
-       }
        for (j = 0; j < i->Instruction.NumSrcRegs; j++) {
                if (i->Src[j].Register.Indirect ||
                        i->Src[j].Register.Dimension ||
@@ -321,6 +318,7 @@ static int tgsi_declaration(struct r600_shader_ctx *ctx)
                break;
        case TGSI_FILE_CONSTANT:
        case TGSI_FILE_TEMPORARY:
+       case TGSI_FILE_SAMPLER:
                break;
        default:
                R600_ERR("unsupported file %d declaration\n", d->Declaration.File);
@@ -381,7 +379,6 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
                tgsi_parse_token(&ctx.parse);
                switch (ctx.parse.FullToken.Token.Type) {
                case TGSI_TOKEN_TYPE_IMMEDIATE:
-//                     R600_ERR("TGSI_TOKEN_TYPE_IMMEDIATE unsupported\n");
                        immediate = &ctx.parse.FullToken.FullImmediate;
                        value[0] = immediate->u[0].Uint;
                        value[1] = immediate->u[1].Uint;
@@ -713,6 +710,28 @@ static int tgsi_dp(struct r600_shader_ctx *ctx)
        return tgsi_helper_copy(ctx, inst);
 }
 
+static int tgsi_tex(struct r600_shader_ctx *ctx)
+{
+       struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
+       struct r600_bc_tex tex;
+
+       memset(&tex, 0, sizeof(struct r600_bc_tex));
+       tex.inst = ctx->inst_info->r600_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 = ctx->file_offset[inst->Src[0].Register.File] + inst->Src[0].Register.Index;
+       tex.dst_gpr = ctx->file_offset[inst->Dst[0].Register.File] + inst->Src[0].Register.Index;
+       tex.dst_sel_x = 0;
+       tex.dst_sel_y = 1;
+       tex.dst_sel_z = 2;
+       tex.dst_sel_w = 3;
+       tex.src_sel_x = 0;
+       tex.src_sel_y = 1;
+       tex.src_sel_z = 2;
+       tex.src_sel_w = 3;
+       return r600_bc_add_tex(ctx->bc, &tex);
+}
+
 static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
        {TGSI_OPCODE_ARL,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
        {TGSI_OPCODE_MOV,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2},
@@ -771,7 +790,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
        {TGSI_OPCODE_STR,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
        {TGSI_OPCODE_TEX,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
        {TGSI_OPCODE_TXD,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
-       {TGSI_OPCODE_TXP,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
+       {TGSI_OPCODE_TXP,       0, 0x10, tgsi_tex},
        {TGSI_OPCODE_UP2H,      0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
        {TGSI_OPCODE_UP2US,     0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
        {TGSI_OPCODE_UP4B,      0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
index 4770ab0bf77947812b85ae9e881710d070905373..002660c654a10ed7142cc92088f2beddca2f3608 100644 (file)
 #define   S_SQ_TEX_WORD1_COORD_TYPE_X(x)                             (((x) & 0x1) << 28)
 #define   G_SQ_TEX_WORD1_COORD_TYPE_X(x)                             (((x) >> 28) & 0x1)
 #define   C_SQ_TEX_WORD1_COORD_TYPE_X                                0xEFFFFFFF
+#define     V_SQ_TEX_WORD1_COORD_UNNORMALIZED                        0x00000000
+#define     V_SQ_TEX_WORD1_COORD_NORMALIZED                          0x00000001
 #define   S_SQ_TEX_WORD1_COORD_TYPE_Y(x)                             (((x) & 0x1) << 29)
 #define   G_SQ_TEX_WORD1_COORD_TYPE_Y(x)                             (((x) >> 29) & 0x1)
 #define   C_SQ_TEX_WORD1_COORD_TYPE_Y                                0xDFFFFFFF