Module: Mesa
Branch: master
Commit: 382e3553af4257c4dff517bbe183a2c69a1bc8d7
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=382e3553af4257c4dff517bbe183a2c69a1bc8d7

Author: Hyunjun Ko <[email protected]>
Date:   Sat May  4 13:23:03 2019 +0000

freedreno/ir3: fix counting and printing for half registers.

v2: defining 0x100 and use this for setting the FS_OUTPUT_REG.HALF_PRECISION
Signed-off-by: Rob Clark <[email protected]>

---

 src/freedreno/ir3/ir3_shader.c                   | 14 +++++++++-----
 src/freedreno/ir3/ir3_shader.h                   | 11 +++++++++--
 src/gallium/drivers/freedreno/a5xx/fd5_program.c |  2 +-
 src/gallium/drivers/freedreno/a6xx/fd6_program.c |  2 +-
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/src/freedreno/ir3/ir3_shader.c b/src/freedreno/ir3/ir3_shader.c
index dacccc1329e..34af4ff689e 100644
--- a/src/freedreno/ir3/ir3_shader.c
+++ b/src/freedreno/ir3/ir3_shader.c
@@ -156,7 +156,7 @@ assemble_variant(struct ir3_shader_variant *v)
 
        if (ir3_shader_debug & IR3_DBG_DISASM) {
                struct ir3_shader_key key = v->key;
-               printf("disassemble: type=%d, k={bp=%u,cts=%u,hp=%u}", v->type,
+               printf("disassemble: type=%d, k={bp=%u,cts=%u,hp=%u}\n", 
v->type,
                        v->binning_pass, key.color_two_side, 
key.half_precision);
                ir3_shader_disasm(v, bin, stdout);
        }
@@ -301,8 +301,11 @@ ir3_shader_from_nir(struct ir3_compiler *compiler, 
nir_shader *nir)
 
 static void dump_reg(FILE *out, const char *name, uint32_t r)
 {
-       if (r != regid(63,0))
-               fprintf(out, "; %s: r%d.%c\n", name, r >> 2, "xyzw"[r & 0x3]);
+       if (r != regid(63,0)) {
+               const char *reg_type = (r & HALF_REG_ID) ? "hr" : "r";
+               fprintf(out, "; %s: %s%d.%c\n", name, reg_type,
+                               (r & ~HALF_REG_ID) >> 2, "xyzw"[r & 0x3]);
+       }
 }
 
 static void dump_output(FILE *out, struct ir3_shader_variant *so,
@@ -386,8 +389,9 @@ ir3_shader_disasm(struct ir3_shader_variant *so, uint32_t 
*bin, FILE *out)
                fprintf(out, "; %s: outputs:", type);
                for (i = 0; i < so->outputs_count; i++) {
                        uint8_t regid = so->outputs[i].regid;
-                       fprintf(out, " r%d.%c (%s)",
-                                       (regid >> 2), "xyzw"[regid & 0x3],
+                       const char *reg_type = so->outputs[i].half ? "hr" : "r";
+                       fprintf(out, " %s%d.%c (%s)",
+                                       reg_type, (regid >> 2), "xyzw"[regid & 
0x3],
                                        
gl_frag_result_name(so->outputs[i].slot));
                }
                fprintf(out, "\n");
diff --git a/src/freedreno/ir3/ir3_shader.h b/src/freedreno/ir3/ir3_shader.h
index 06336eda0da..01e079140f1 100644
--- a/src/freedreno/ir3/ir3_shader.h
+++ b/src/freedreno/ir3/ir3_shader.h
@@ -379,6 +379,9 @@ struct ir3_ibo_mapping {
        uint8_t tex_base;   /* the number of real textures, ie. image/ssbo 
start here */
 };
 
+/* Represents half register in regid */
+#define HALF_REG_ID    0x100
+
 struct ir3_shader_variant {
        struct fd_bo *bo;
 
@@ -673,8 +676,12 @@ ir3_find_output_regid(const struct ir3_shader_variant *so, 
unsigned slot)
 {
        int j;
        for (j = 0; j < so->outputs_count; j++)
-               if (so->outputs[j].slot == slot)
-                       return so->outputs[j].regid;
+               if (so->outputs[j].slot == slot) {
+                       uint32_t regid = so->outputs[j].regid;
+                       if (so->outputs[j].half)
+                               regid |= HALF_REG_ID;
+                       return regid;
+               }
        return regid(63, 0);
 }
 
diff --git a/src/gallium/drivers/freedreno/a5xx/fd5_program.c 
b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
index e20bb2f6fc9..e52ba900e05 100644
--- a/src/gallium/drivers/freedreno/a5xx/fd5_program.c
+++ b/src/gallium/drivers/freedreno/a5xx/fd5_program.c
@@ -606,7 +606,7 @@ fd5_program_emit(struct fd_context *ctx, struct 
fd_ringbuffer *ring,
        OUT_PKT4(ring, REG_A5XX_SP_FS_OUTPUT_REG(0), 8);
        for (i = 0; i < 8; i++) {
                OUT_RING(ring, A5XX_SP_FS_OUTPUT_REG_REGID(color_regid[i]) |
-                               COND(s[FS].v->outputs[i].half, 
A5XX_SP_FS_OUTPUT_REG_HALF_PRECISION));
+                               COND(color_regid[i] & HALF_REG_ID, 
A5XX_SP_FS_OUTPUT_REG_HALF_PRECISION));
        }
 
 
diff --git a/src/gallium/drivers/freedreno/a6xx/fd6_program.c 
b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
index b73d2031ab3..e56425e6d2c 100644
--- a/src/gallium/drivers/freedreno/a6xx/fd6_program.c
+++ b/src/gallium/drivers/freedreno/a6xx/fd6_program.c
@@ -627,7 +627,7 @@ setup_stateobj(struct fd_ringbuffer *ring, struct 
fd6_program_state *state,
        OUT_PKT4(ring, REG_A6XX_SP_FS_OUTPUT_REG(0), 8);
        for (i = 0; i < 8; i++) {
                OUT_RING(ring, A6XX_SP_FS_OUTPUT_REG_REGID(color_regid[i]) |
-                               COND(s[FS].v->outputs[i].half, 
A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION));
+                               COND(color_regid[i] & HALF_REG_ID, 
A6XX_SP_FS_OUTPUT_REG_HALF_PRECISION));
        }
 
        OUT_PKT4(ring, REG_A6XX_VPC_PACK, 1);

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