Zebediah Figura : vkd3d-shader/hlsl: Write the SM4 dcl_temps instruction.
Alexandre Julliard
julliard at winehq.org
Mon Aug 23 16:24:07 CDT 2021
Module: vkd3d
Branch: master
Commit: 40ec063a264bd2e65318c54fd67ed76b0adb1060
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=40ec063a264bd2e65318c54fd67ed76b0adb1060
Author: Zebediah Figura <zfigura at codeweavers.com>
Date: Thu Aug 19 18:44:30 2021 -0500
vkd3d-shader/hlsl: Write the SM4 dcl_temps instruction.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
libs/vkd3d-shader/hlsl.h | 1 +
libs/vkd3d-shader/hlsl_codegen.c | 4 ++++
libs/vkd3d-shader/hlsl_sm4.c | 16 ++++++++++++++++
3 files changed, 21 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index 80cea51..9b579b7 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -469,6 +469,7 @@ struct hlsl_ctx
struct hlsl_vec4 *values;
size_t count, size;
} constant_defs;
+ uint32_t temp_count;
};
enum hlsl_error_level
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index a1d6e8e..c2aeb7b 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -685,6 +685,7 @@ static void compute_liveness(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl
struct liveness
{
size_t size;
+ uint32_t reg_count;
struct
{
/* 0 if not live yet. */
@@ -747,6 +748,7 @@ static struct hlsl_reg allocate_register(struct hlsl_ctx *ctx, struct liveness *
ret.id = component_idx / 4;
ret.writemask = writemask;
ret.allocated = true;
+ liveness->reg_count = max(liveness->reg_count, ret.id + 1);
return ret;
}
@@ -782,6 +784,7 @@ static struct hlsl_reg allocate_range(struct hlsl_ctx *ctx, struct liveness *liv
liveness->regs[component_idx + i].last_read = last_read;
ret.id = component_idx / 4;
ret.allocated = true;
+ liveness->reg_count = max(liveness->reg_count, ret.id + align(component_count, 4));
return ret;
}
@@ -1008,6 +1011,7 @@ static void allocate_temp_registers(struct hlsl_ctx *ctx, struct hlsl_ir_functio
{
struct liveness liveness = {0};
allocate_temp_registers_recurse(ctx, entry_func->body, &liveness);
+ ctx->temp_count = liveness.reg_count;
}
static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var *var, unsigned int *counter, bool output)
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 92f854c..a66bcaa 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -762,6 +762,19 @@ static void write_sm4_dcl_semantic(struct hlsl_ctx *ctx, struct vkd3d_bytecode_b
write_sm4_instruction(buffer, &instr);
}
+static void write_sm4_dcl_temps(struct vkd3d_bytecode_buffer *buffer, uint32_t temp_count)
+{
+ struct sm4_instruction instr =
+ {
+ .opcode = VKD3D_SM4_OP_DCL_TEMPS,
+
+ .idx = {temp_count},
+ .idx_count = 1,
+ };
+
+ write_sm4_instruction(buffer, &instr);
+}
+
static void write_sm4_shdr(struct hlsl_ctx *ctx, struct dxbc_writer *dxbc)
{
const struct hlsl_profile_info *profile = ctx->profile;
@@ -797,6 +810,9 @@ static void write_sm4_shdr(struct hlsl_ctx *ctx, struct dxbc_writer *dxbc)
write_sm4_dcl_semantic(ctx, &buffer, var);
}
+ if (ctx->temp_count)
+ write_sm4_dcl_temps(&buffer, ctx->temp_count);
+
dxbc_writer_add_section(dxbc, TAG_SHDR, buffer.data, buffer.size);
}
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