Mesa (master): freedreno/ir3: Merge the redundant immediate_idx/immediates_count fields
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Wed Aug 5 23:25:22 UTC 2020
Module: Mesa
Branch: master
Commit: e873c4da08d883161e572cf7b9d7d24ca12a78b5
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e873c4da08d883161e572cf7b9d7d24ca12a78b5
Author: Eric Anholt <eric at anholt.net>
Date: Tue Jul 7 14:13:51 2020 -0700
freedreno/ir3: Merge the redundant immediate_idx/immediates_count fields
I got tripped up again with the index vs count vs size fields and I'd
rather we didn't store the redundant info. Settle on immediates_count as
"how many dwords of immediates we have"
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5990>
---
src/freedreno/computerator/a6xx.c | 2 +-
src/freedreno/ir3/ir3_cp.c | 13 ++++++-------
src/freedreno/ir3/ir3_parser.y | 5 ++---
src/freedreno/ir3/ir3_shader.c | 2 +-
src/freedreno/ir3/ir3_shader.h | 1 -
src/freedreno/vulkan/tu_pipeline.c | 2 +-
src/gallium/drivers/freedreno/ir3/ir3_const.h | 2 +-
7 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/src/freedreno/computerator/a6xx.c b/src/freedreno/computerator/a6xx.c
index 4cd8e5784f6..baa9b7d8504 100644
--- a/src/freedreno/computerator/a6xx.c
+++ b/src/freedreno/computerator/a6xx.c
@@ -220,7 +220,7 @@ cs_const_emit(struct fd_ringbuffer *ring, struct kernel *kernel, uint32_t grid[3
const struct ir3_const_state *const_state = ir3_const_state(v);
uint32_t base = const_state->offsets.immediate;
- int size = const_state->immediates_count;
+ int size = DIV_ROUND_UP(const_state->immediates_count, 4);
if (ir3_kernel->info.numwg != INVALID_REG) {
assert((ir3_kernel->info.numwg & 0x3) == 0);
diff --git a/src/freedreno/ir3/ir3_cp.c b/src/freedreno/ir3/ir3_cp.c
index 56f6b2b215d..9420116f536 100644
--- a/src/freedreno/ir3/ir3_cp.c
+++ b/src/freedreno/ir3/ir3_cp.c
@@ -198,7 +198,7 @@ lower_immed(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr, unsigned n,
/* Reallocate for 4 more elements whenever it's necessary */
struct ir3_const_state *const_state = ir3_const_state(ctx->so);
- if (const_state->immediate_idx == const_state->immediates_size * 4) {
+ if (const_state->immediates_count == const_state->immediates_size * 4) {
const_state->immediates = rerzalloc(const_state,
const_state->immediates,
__typeof__(const_state->immediates[0]),
@@ -206,11 +206,11 @@ lower_immed(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr, unsigned n,
const_state->immediates_size + 4);
const_state->immediates_size += 4;
- for (int i = const_state->immediate_idx; i < const_state->immediates_size * 4; i++)
+ for (int i = const_state->immediates_count; i < const_state->immediates_size * 4; i++)
const_state->immediates[i / 4].val[i % 4] = 0xd0d0d0d0;
}
- for (i = 0; i < const_state->immediate_idx; i++) {
+ for (i = 0; i < const_state->immediates_count; i++) {
swiz = i % 4;
idx = i / 4;
@@ -219,11 +219,11 @@ lower_immed(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr, unsigned n,
}
}
- if (i == const_state->immediate_idx) {
+ if (i == const_state->immediates_count) {
/* Add on a new immediate to be pushed, if we have space left in the
* constbuf.
*/
- if (const_state->offsets.immediate + const_state->immediate_idx / 4 >=
+ if (const_state->offsets.immediate + const_state->immediates_count / 4 >=
ir3_max_const(ctx->so))
return false;
@@ -231,8 +231,7 @@ lower_immed(struct ir3_cp_ctx *ctx, struct ir3_instruction *instr, unsigned n,
idx = i / 4;
const_state->immediates[idx].val[swiz] = reg->uim_val;
- const_state->immediates_count = idx + 1;
- const_state->immediate_idx++;
+ const_state->immediates_count++;
}
reg->flags = new_flags;
diff --git a/src/freedreno/ir3/ir3_parser.y b/src/freedreno/ir3/ir3_parser.y
index 6c06f1d3e03..5f79c1b140c 100644
--- a/src/freedreno/ir3/ir3_parser.y
+++ b/src/freedreno/ir3/ir3_parser.y
@@ -156,7 +156,7 @@ static void add_const(unsigned reg, unsigned c0, unsigned c1, unsigned c2, unsig
struct ir3_const_state *const_state = ir3_const_state(variant);
assert((reg & 0x7) == 0);
int idx = reg >> (1 + 2); /* low bit is half vs full, next two bits are swiz */
- if (const_state->immediate_idx == const_state->immediates_size * 4) {
+ if (const_state->immediates_count == const_state->immediates_size * 4) {
const_state->immediates = rerzalloc(const_state,
const_state->immediates,
__typeof__(const_state->immediates[0]),
@@ -168,8 +168,7 @@ static void add_const(unsigned reg, unsigned c0, unsigned c1, unsigned c2, unsig
const_state->immediates[idx].val[1] = c1;
const_state->immediates[idx].val[2] = c2;
const_state->immediates[idx].val[3] = c3;
- const_state->immediates_count = idx + 1;
- const_state->immediate_idx++;
+ const_state->immediates_count++;
}
static void add_sysval(unsigned reg, unsigned compmask, gl_system_value sysval)
diff --git a/src/freedreno/ir3/ir3_shader.c b/src/freedreno/ir3/ir3_shader.c
index 99cacbf3301..0e6653a25d4 100644
--- a/src/freedreno/ir3/ir3_shader.c
+++ b/src/freedreno/ir3/ir3_shader.c
@@ -571,7 +571,7 @@ ir3_shader_disasm(struct ir3_shader_variant *so, uint32_t *bin, FILE *out)
}
const struct ir3_const_state *const_state = ir3_const_state(so);
- for (i = 0; i < const_state->immediates_count; i++) {
+ for (i = 0; i < DIV_ROUND_UP(const_state->immediates_count, 4); i++) {
fprintf(out, "@const(c%d.x)\t", const_state->offsets.immediate + i);
fprintf(out, "0x%08x, 0x%08x, 0x%08x, 0x%08x\n",
const_state->immediates[i].val[0],
diff --git a/src/freedreno/ir3/ir3_shader.h b/src/freedreno/ir3/ir3_shader.h
index f5a73bb2e00..25a4371c52d 100644
--- a/src/freedreno/ir3/ir3_shader.h
+++ b/src/freedreno/ir3/ir3_shader.h
@@ -191,7 +191,6 @@ struct ir3_const_state {
uint32_t off[IR3_MAX_SHADER_IMAGES];
} image_dims;
- unsigned immediate_idx;
unsigned immediates_count;
unsigned immediates_size;
struct {
diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index 13a8722952f..b8eab8564ac 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -445,7 +445,7 @@ tu6_emit_xs_config(struct tu_cs *cs,
const struct ir3_const_state *const_state = ir3_const_state(xs);
uint32_t base = const_state->offsets.immediate;
- int size = const_state->immediates_count;
+ int size = DIV_ROUND_UP(const_state->immediates_count, 4);
/* truncate size to avoid writing constants that shader
* does not use:
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_const.h b/src/gallium/drivers/freedreno/ir3/ir3_const.h
index d7b50650ea1..7a0386e3f32 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_const.h
+++ b/src/gallium/drivers/freedreno/ir3/ir3_const.h
@@ -259,7 +259,7 @@ ir3_emit_immediates(struct fd_screen *screen, const struct ir3_shader_variant *v
{
const struct ir3_const_state *const_state = ir3_const_state(v);
uint32_t base = const_state->offsets.immediate;
- int size = const_state->immediates_count;
+ int size = DIV_ROUND_UP(const_state->immediates_count, 4);
/* truncate size to avoid writing constants that shader
* does not use:
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