Currently, we can store up to 256 immediates in a static array,
but this is not always enough. Instead, allocate a dynamic array
like what we currently do for temps.
This fixes a segfault with
dEQP-GLES31.functional.ssbo.layout.random.all_shared_buffer.23
No regressions found with full piglit run.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/gallium/drivers/radeonsi/si_shader.c | 16 ++++++++--------
src/gallium/drivers/radeonsi/si_shader_internal.h | 3 +++
src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c | 18 +++++++++++++-----
3 files changed, 24 insertions(+), 13 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 5dfbd6603a..c2c3feb161 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -4720,7 +4720,6 @@ static void tex_fetch_args(
/* add tex offsets */
if (inst->Texture.NumOffsets) {
struct lp_build_context *uint_bld = &bld_base->uint_bld;
- struct lp_build_tgsi_soa_context *bld =
lp_soa_context(bld_base);
const struct tgsi_texture_offset *off =
inst->TexOffsets;
assert(inst->Texture.NumOffsets == 1);
@@ -4728,7 +4727,7 @@ static void tex_fetch_args(
switch (target) {
case TGSI_TEXTURE_3D:
address[2] = lp_build_add(uint_bld, address[2],
-
bld->immediates[off->Index][off->SwizzleZ]);
+ ctx->imms[off->Index *
TGSI_NUM_CHANNELS + off->SwizzleZ]);
/* fall through */
case TGSI_TEXTURE_2D:
case TGSI_TEXTURE_SHADOW2D:
@@ -4738,7 +4737,7 @@ static void tex_fetch_args(
case TGSI_TEXTURE_SHADOW2D_ARRAY:
address[1] =
lp_build_add(uint_bld, address[1],
-
bld->immediates[off->Index][off->SwizzleY]);
+ ctx->imms[off->Index *
TGSI_NUM_CHANNELS + off->SwizzleY]);
/* fall through */
case TGSI_TEXTURE_1D:
case TGSI_TEXTURE_SHADOW1D:
@@ -4746,7 +4745,7 @@ static void tex_fetch_args(
case TGSI_TEXTURE_SHADOW1D_ARRAY:
address[0] =
lp_build_add(uint_bld, address[0],
-
bld->immediates[off->Index][off->SwizzleX]);
+ ctx->imms[off->Index *
TGSI_NUM_CHANNELS + off->SwizzleX]);
break;
/* texture offsets do not apply to other
texture targets */
}
@@ -4766,13 +4765,12 @@ static void tex_fetch_args(
/* Get the component index from src1.x for Gather4. */
if (!tgsi_is_shadow_target(target)) {
- LLVMValueRef (*imms)[4] =
lp_soa_context(bld_base)->immediates;
LLVMValueRef comp_imm;
struct tgsi_src_register src1 = inst->Src[1].Register;
assert(src1.File == TGSI_FILE_IMMEDIATE);
- comp_imm = imms[src1.Index][src1.SwizzleX];
+ comp_imm = ctx->imms[src1.Index * TGSI_NUM_CHANNELS +
src1.SwizzleX];
gather_comp = LLVMConstIntGetZExtValue(comp_imm);
gather_comp = CLAMP(gather_comp, 0, 3);
}
@@ -5246,13 +5244,15 @@ static void build_interp_intrinsic(const struct
lp_build_tgsi_action *action,
static unsigned si_llvm_get_stream(struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
{
- LLVMValueRef (*imms)[4] = lp_soa_context(bld_base)->immediates;
+ struct si_shader_context *ctx = si_shader_context(bld_base);
struct tgsi_src_register src0 = emit_data->inst->Src[0].Register;
+ LLVMValueRef imm;
unsigned stream;
assert(src0.File == TGSI_FILE_IMMEDIATE);
- stream = LLVMConstIntGetZExtValue(imms[src0.Index][src0.SwizzleX]) &
0x3;
+ imm = ctx->imms[src0.Index * TGSI_NUM_CHANNELS + src0.SwizzleX];
+ stream = LLVMConstIntGetZExtValue(imm) & 0x3;
return stream;
}
diff --git a/src/gallium/drivers/radeonsi/si_shader_internal.h
b/src/gallium/drivers/radeonsi/si_shader_internal.h
index 8d6a40b164..9ca79a3dcc 100644
--- a/src/gallium/drivers/radeonsi/si_shader_internal.h
+++ b/src/gallium/drivers/radeonsi/si_shader_internal.h
@@ -87,6 +87,9 @@ struct si_shader_context {
unsigned temps_count;
LLVMValueRef system_values[RADEON_LLVM_MAX_SYSTEM_VALUES];
+ LLVMValueRef *imms;
+ unsigned imms_num;
+
struct si_llvm_flow *flow;
unsigned flow_depth;
unsigned flow_depth_max;
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
index 3e0f7c4f76..a18e68c30b 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_setup.c
@@ -677,14 +677,14 @@ LLVMValueRef si_llvm_emit_fetch(struct
lp_build_tgsi_context *bld_base,
if (tgsi_type_is_64bit(type)) {
result =
LLVMGetUndef(LLVMVectorType(LLVMIntTypeInContext(bld_base->base.gallivm->context,
32), bld_base->base.type.length * 2));
result = LLVMConstInsertElement(result,
-
bld->immediates[reg->Register.Index][swizzle],
+
ctx->imms[reg->Register.Index * TGSI_NUM_CHANNELS + swizzle],
bld_base->int_bld.zero);
result = LLVMConstInsertElement(result,
-
bld->immediates[reg->Register.Index][swizzle + 1],
+
ctx->imms[reg->Register.Index * TGSI_NUM_CHANNELS + swizzle + 1],
bld_base->int_bld.one);
return LLVMConstBitCast(result, ctype);
} else {
- return
LLVMConstBitCast(bld->immediates[reg->Register.Index][swizzle], ctype);
+ return LLVMConstBitCast(ctx->imms[reg->Register.Index *
TGSI_NUM_CHANNELS + swizzle], ctype);
}
}
@@ -1230,11 +1230,11 @@ static void emit_immediate(struct lp_build_tgsi_context
*bld_base,
struct si_shader_context *ctx = si_shader_context(bld_base);
for (i = 0; i < 4; ++i) {
- ctx->soa.immediates[ctx->soa.num_immediates][i] =
+ ctx->imms[ctx->imms_num * TGSI_NUM_CHANNELS + i] =
LLVMConstInt(bld_base->uint_bld.elem_type,
imm->u[i].Uint, false );
}
- ctx->soa.num_immediates++;
+ ctx->imms_num++;
}
void si_llvm_context_init(struct si_shader_context *ctx,
@@ -1281,6 +1281,11 @@ void si_llvm_context_init(struct si_shader_context *ctx,
ctx->temp_arrays);
}
+ if (info && info->file_max[TGSI_FILE_IMMEDIATE] >= 0) {
+ int size = info->file_max[TGSI_FILE_IMMEDIATE] + 1;
+ ctx->imms = MALLOC(size * TGSI_NUM_CHANNELS *
sizeof(LLVMValueRef));
+ }
+
type.floating = true;
type.fixed = false;
type.sign = true;
@@ -1414,6 +1419,9 @@ void si_llvm_dispose(struct si_shader_context *ctx)
FREE(ctx->temps);
ctx->temps = NULL;
ctx->temps_count = 0;
+ FREE(ctx->imms);
+ ctx->imms = NULL;
+ ctx->imms_num = 0;
FREE(ctx->flow);
ctx->flow = NULL;
ctx->flow_depth_max = 0;
--
2.11.0
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