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freedreno/ir3: add ir3_shader_disasm()
authorRob Clark <robclark@freedesktop.org>
Mon, 29 Jun 2015 14:21:08 +0000 (10:21 -0400)
committerRob Clark <robclark@freedesktop.org>
Tue, 30 Jun 2015 16:13:44 +0000 (12:13 -0400)
Split out most of dump_info() from ir3_cmdline compiler into a function
that can be used both by cmdline compiler and also for the disasm debug
option.  This way, for FD_MESA_DEBUG=disasm we also get to see intput/
output registers, etc.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
src/gallium/drivers/freedreno/ir3/ir3_cmdline.c
src/gallium/drivers/freedreno/ir3/ir3_shader.c
src/gallium/drivers/freedreno/ir3/ir3_shader.h

index ad9d271..2b89fb4 100644 (file)
 #include "instr-a3xx.h"
 #include "ir3.h"
 
-static void dump_reg(const char *name, uint32_t r)
-{
-       if (r != regid(63,0))
-               debug_printf("; %s: r%d.%c\n", name, r >> 2, "xyzw"[r & 0x3]);
-}
-
-static void dump_semantic(struct ir3_shader_variant *so,
-               unsigned sem, const char *name)
-{
-       uint32_t regid;
-       regid = ir3_find_output_regid(so, ir3_semantic_name(sem, 0));
-       dump_reg(name, regid);
-}
-
 static void dump_info(struct ir3_shader_variant *so, const char *str)
 {
        uint32_t *bin;
        const char *type = (so->type == SHADER_VERTEX) ? "VERT" : "FRAG";
-
-       // for debug, dump some before/after info:
        // TODO make gpu_id configurable on cmdline
        bin = ir3_shader_assemble(so, 320);
-       if (fd_mesa_debug & FD_DBG_DISASM) {
-               struct ir3 *ir = so->ir;
-               struct ir3_register *reg;
-               uint8_t regid;
-               unsigned i;
-
-               debug_printf("; %s: %s\n", type, str);
-
-               for (i = 0; i < ir->ninputs; i++) {
-                       if (!ir->inputs[i]) {
-                               debug_printf("; in%d unused\n", i);
-                               continue;
-                       }
-                       reg = ir->inputs[i]->regs[0];
-                       regid = reg->num;
-                       debug_printf("@in(%sr%d.%c)\tin%d\n",
-                                       (reg->flags & IR3_REG_HALF) ? "h" : "",
-                                       (regid >> 2), "xyzw"[regid & 0x3], i);
-               }
-
-               for (i = 0; i < ir->noutputs; i++) {
-                       if (!ir->outputs[i]) {
-                               debug_printf("; out%d unused\n", i);
-                               continue;
-                       }
-                       /* kill shows up as a virtual output.. skip it! */
-                       if (is_kill(ir->outputs[i]))
-                               continue;
-                       reg = ir->outputs[i]->regs[0];
-                       regid = reg->num;
-                       debug_printf("@out(%sr%d.%c)\tout%d\n",
-                                       (reg->flags & IR3_REG_HALF) ? "h" : "",
-                                       (regid >> 2), "xyzw"[regid & 0x3], i);
-               }
-
-               for (i = 0; i < so->immediates_count; i++) {
-                       debug_printf("@const(c%d.x)\t", so->first_immediate + i);
-                       debug_printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
-                                       so->immediates[i].val[0],
-                                       so->immediates[i].val[1],
-                                       so->immediates[i].val[2],
-                                       so->immediates[i].val[3]);
-               }
-
-               disasm_a3xx(bin, so->info.sizedwords, 0, so->type);
-
-               debug_printf("; %s: outputs:", type);
-               for (i = 0; i < so->outputs_count; i++) {
-                       uint8_t regid = so->outputs[i].regid;
-                       ir3_semantic sem = so->outputs[i].semantic;
-                       debug_printf(" r%d.%c (%u:%u)",
-                                       (regid >> 2), "xyzw"[regid & 0x3],
-                                       sem2name(sem), sem2idx(sem));
-               }
-               debug_printf("\n");
-               debug_printf("; %s: inputs:", type);
-               for (i = 0; i < so->inputs_count; i++) {
-                       uint8_t regid = so->inputs[i].regid;
-                       ir3_semantic sem = so->inputs[i].semantic;
-                       debug_printf(" r%d.%c (%u:%u,cm=%x,il=%u,b=%u)",
-                                       (regid >> 2), "xyzw"[regid & 0x3],
-                                       sem2name(sem), sem2idx(sem),
-                                       so->inputs[i].compmask,
-                                       so->inputs[i].inloc,
-                                       so->inputs[i].bary);
-               }
-               debug_printf("\n");
-       }
-
-       /* print generic shader info: */
-       debug_printf("; %s: %u instructions, %d half, %d full\n", type,
-                       so->info.instrs_count,
-                       so->info.max_half_reg + 1,
-                       so->info.max_reg + 1);
-
-       /* print shader type specific info: */
-       switch (so->type) {
-       case SHADER_VERTEX:
-               dump_semantic(so, TGSI_SEMANTIC_POSITION, "pos");
-               dump_semantic(so, TGSI_SEMANTIC_PSIZE, "psize");
-               break;
-       case SHADER_FRAGMENT:
-               dump_reg("pos (bary)", so->pos_regid);
-               dump_semantic(so, TGSI_SEMANTIC_POSITION, "posz");
-               dump_semantic(so, TGSI_SEMANTIC_COLOR, "color");
-               /* these two are hard-coded since we don't know how to
-                * program them to anything but all 0's...
-                */
-               if (so->frag_coord)
-                       debug_printf("; fragcoord: r0.x\n");
-               if (so->frag_face)
-                       debug_printf("; fragface: hr0.x\n");
-               break;
-       case SHADER_COMPUTE:
-               break;
-       }
+       debug_printf("; %s: %s\n", type, str);
+       ir3_shader_disasm(so, bin);
        free(bin);
-
-       debug_printf("\n");
 }
 
 
index c22b7f8..bfcc2ca 100644 (file)
@@ -140,6 +140,13 @@ assemble_variant(struct ir3_shader_variant *v)
 
        memcpy(fd_bo_map(v->bo), bin, sz);
 
+       if (fd_mesa_debug & FD_DBG_DISASM) {
+               struct ir3_shader_key key = v->key;
+               DBG("disassemble: type=%d, k={bp=%u,cts=%u,hp=%u}", v->type,
+                       key.binning_pass, key.color_two_side, key.half_precision);
+               ir3_shader_disasm(v, bin);
+       }
+
        free(bin);
 
        /* no need to keep the ir around beyond this point: */
@@ -179,12 +186,6 @@ create_variant(struct ir3_shader *shader, struct ir3_shader_key key)
                goto fail;
        }
 
-       if (fd_mesa_debug & FD_DBG_DISASM) {
-               DBG("disassemble: type=%d, k={bp=%u,cts=%u,hp=%u}", v->type,
-                       key.binning_pass, key.color_two_side, key.half_precision);
-               disasm_a3xx(fd_bo_map(v->bo), v->info.sizedwords, 0, v->type);
-       }
-
        return v;
 
 fail:
@@ -262,3 +263,117 @@ ir3_shader_create(struct pipe_context *pctx, const struct tgsi_token *tokens,
        shader->tokens = tgsi_dup_tokens(tokens);
        return shader;
 }
+
+static void dump_reg(const char *name, uint32_t r)
+{
+       if (r != regid(63,0))
+               debug_printf("; %s: r%d.%c\n", name, r >> 2, "xyzw"[r & 0x3]);
+}
+
+static void dump_semantic(struct ir3_shader_variant *so,
+               unsigned sem, const char *name)
+{
+       uint32_t regid;
+       regid = ir3_find_output_regid(so, ir3_semantic_name(sem, 0));
+       dump_reg(name, regid);
+}
+
+void
+ir3_shader_disasm(struct ir3_shader_variant *so, uint32_t *bin)
+{
+       struct ir3 *ir = so->ir;
+       struct ir3_register *reg;
+       const char *type = (so->type == SHADER_VERTEX) ? "VERT" : "FRAG";
+       uint8_t regid;
+       unsigned i;
+
+       for (i = 0; i < ir->ninputs; i++) {
+               if (!ir->inputs[i]) {
+                       debug_printf("; in%d unused\n", i);
+                       continue;
+               }
+               reg = ir->inputs[i]->regs[0];
+               regid = reg->num;
+               debug_printf("@in(%sr%d.%c)\tin%d\n",
+                               (reg->flags & IR3_REG_HALF) ? "h" : "",
+                               (regid >> 2), "xyzw"[regid & 0x3], i);
+       }
+
+       for (i = 0; i < ir->noutputs; i++) {
+               if (!ir->outputs[i]) {
+                       debug_printf("; out%d unused\n", i);
+                       continue;
+               }
+               /* kill shows up as a virtual output.. skip it! */
+               if (is_kill(ir->outputs[i]))
+                       continue;
+               reg = ir->outputs[i]->regs[0];
+               regid = reg->num;
+               debug_printf("@out(%sr%d.%c)\tout%d\n",
+                               (reg->flags & IR3_REG_HALF) ? "h" : "",
+                               (regid >> 2), "xyzw"[regid & 0x3], i);
+       }
+
+       for (i = 0; i < so->immediates_count; i++) {
+               debug_printf("@const(c%d.x)\t", so->first_immediate + i);
+               debug_printf("0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
+                               so->immediates[i].val[0],
+                               so->immediates[i].val[1],
+                               so->immediates[i].val[2],
+                               so->immediates[i].val[3]);
+       }
+
+       disasm_a3xx(bin, so->info.sizedwords, 0, so->type);
+
+       debug_printf("; %s: outputs:", type);
+       for (i = 0; i < so->outputs_count; i++) {
+               uint8_t regid = so->outputs[i].regid;
+               ir3_semantic sem = so->outputs[i].semantic;
+               debug_printf(" r%d.%c (%u:%u)",
+                               (regid >> 2), "xyzw"[regid & 0x3],
+                               sem2name(sem), sem2idx(sem));
+       }
+       debug_printf("\n");
+       debug_printf("; %s: inputs:", type);
+       for (i = 0; i < so->inputs_count; i++) {
+               uint8_t regid = so->inputs[i].regid;
+               ir3_semantic sem = so->inputs[i].semantic;
+               debug_printf(" r%d.%c (%u:%u,cm=%x,il=%u,b=%u)",
+                               (regid >> 2), "xyzw"[regid & 0x3],
+                               sem2name(sem), sem2idx(sem),
+                               so->inputs[i].compmask,
+                               so->inputs[i].inloc,
+                               so->inputs[i].bary);
+       }
+       debug_printf("\n");
+
+       /* print generic shader info: */
+       debug_printf("; %s: %u instructions, %d half, %d full\n", type,
+                       so->info.instrs_count,
+                       so->info.max_half_reg + 1,
+                       so->info.max_reg + 1);
+
+       /* print shader type specific info: */
+       switch (so->type) {
+       case SHADER_VERTEX:
+               dump_semantic(so, TGSI_SEMANTIC_POSITION, "pos");
+               dump_semantic(so, TGSI_SEMANTIC_PSIZE, "psize");
+               break;
+       case SHADER_FRAGMENT:
+               dump_reg("pos (bary)", so->pos_regid);
+               dump_semantic(so, TGSI_SEMANTIC_POSITION, "posz");
+               dump_semantic(so, TGSI_SEMANTIC_COLOR, "color");
+               /* these two are hard-coded since we don't know how to
+                * program them to anything but all 0's...
+                */
+               if (so->frag_coord)
+                       debug_printf("; fragcoord: r0.x\n");
+               if (so->frag_face)
+                       debug_printf("; fragface: hr0.x\n");
+               break;
+       case SHADER_COMPUTE:
+               break;
+       }
+
+       debug_printf("\n");
+}
index 9f1b076..3cf3167 100644 (file)
@@ -212,6 +212,7 @@ struct ir3_shader * ir3_shader_create(struct pipe_context *pctx,
 void ir3_shader_destroy(struct ir3_shader *shader);
 struct ir3_shader_variant * ir3_shader_variant(struct ir3_shader *shader,
                struct ir3_shader_key key);
+void ir3_shader_disasm(struct ir3_shader_variant *so, uint32_t *bin);
 
 /*
  * Helper/util: