[PATCH vkd3d v2 3/7] vkd3d-shader: Write SM1 constant definitions.
Zebediah Figura
zfigura at codeweavers.com
Tue Apr 27 12:14:17 CDT 2021
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
v2: use max() when resizing constant defs, use 1u in shift instructions, move
struct constant_defs into hlsl_ctx, also introduce a put_float() helper
include/vkd3d_d3d9types.h | 41 +++++++++++
libs/vkd3d-shader/hlsl.h | 11 +++
libs/vkd3d-shader/hlsl_codegen.c | 121 ++++++++++++++++++++++++++++---
3 files changed, 162 insertions(+), 11 deletions(-)
diff --git a/include/vkd3d_d3d9types.h b/include/vkd3d_d3d9types.h
index 7a8c15f4..ba7dcbfb 100644
--- a/include/vkd3d_d3d9types.h
+++ b/include/vkd3d_d3d9types.h
@@ -27,6 +27,19 @@
((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24 ))
#endif
+#define D3DSI_INSTLENGTH_SHIFT 24
+
+#define D3DSP_REGTYPE_SHIFT 28
+#define D3DSP_REGTYPE_SHIFT2 8
+#define D3DSP_REGTYPE_MASK (0x7 << D3DSP_REGTYPE_SHIFT)
+#define D3DSP_REGTYPE_MASK2 0x00001800
+
+#define D3DSP_WRITEMASK_0 0x00010000
+#define D3DSP_WRITEMASK_1 0x00020000
+#define D3DSP_WRITEMASK_2 0x00040000
+#define D3DSP_WRITEMASK_3 0x00080000
+#define D3DSP_WRITEMASK_ALL 0x000f0000
+
#define D3DPS_VERSION(major, minor) (0xffff0000 | ((major) << 8) | (minor))
#define D3DVS_VERSION(major, minor) (0xfffe0000 | ((major) << 8) | (minor))
@@ -123,5 +136,33 @@ typedef enum _D3DSHADER_INSTRUCTION_OPCODE_TYPE
D3DSIO_FORCE_DWORD = 0x7fffffff,
} D3DSHADER_INSTRUCTION_OPCODE_TYPE;
+typedef enum _D3DSHADER_PARAM_REGISTER_TYPE
+{
+ D3DSPR_TEMP = 0x00,
+ D3DSPR_INPUT = 0x01,
+ D3DSPR_CONST = 0x02,
+ D3DSPR_ADDR = 0x03,
+ D3DSPR_TEXTURE = 0x03,
+ D3DSPR_RASTOUT = 0x04,
+ D3DSPR_ATTROUT = 0x05,
+ D3DSPR_TEXCRDOUT = 0x06,
+ D3DSPR_OUTPUT = 0x06,
+ D3DSPR_CONSTINT = 0x07,
+ D3DSPR_COLOROUT = 0x08,
+ D3DSPR_DEPTHOUT = 0x09,
+ D3DSPR_SAMPLER = 0x0a,
+ D3DSPR_CONST2 = 0x0b,
+ D3DSPR_CONST3 = 0x0c,
+ D3DSPR_CONST4 = 0x0d,
+ D3DSPR_CONSTBOOL = 0x0e,
+ D3DSPR_LOOP = 0x0f,
+ D3DSPR_TEMPFLOAT16 = 0x10,
+ D3DSPR_MISCTYPE = 0x11,
+ D3DSPR_LABEL = 0x12,
+ D3DSPR_PREDICATE = 0x13,
+
+ D3DSPR_FORCE_DWORD = 0x7fffffff,
+} D3DSHADER_PARAM_REGISTER_TYPE;
+
#endif /* _d3d9TYPES_H_ */
#endif /* __VKD3D_D3D9TYPES_H */
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index 0c755f46..d65c25e2 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -407,6 +407,11 @@ struct hlsl_profile_info
bool software;
};
+struct hlsl_vec4
+{
+ float f[4];
+};
+
struct hlsl_ctx
{
const struct hlsl_profile_info *profile;
@@ -440,6 +445,12 @@ struct hlsl_ctx
} builtin_types;
struct list static_initializers;
+
+ struct hlsl_constant_defs
+ {
+ struct hlsl_vec4 *values;
+ size_t count, size;
+ } constant_defs;
};
enum hlsl_error_level
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 0fd1f6bd..b3e59bc7 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -804,8 +804,9 @@ static void allocate_temp_registers_recurse(struct list *instrs, struct liveness
}
}
-static void allocate_const_registers_recurse(struct list *instrs, struct liveness *liveness)
+static void allocate_const_registers_recurse(struct hlsl_ctx *ctx, struct list *instrs, struct liveness *liveness)
{
+ struct hlsl_constant_defs *defs = &ctx->constant_defs;
struct hlsl_ir_node *instr;
LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry)
@@ -815,28 +816,84 @@ static void allocate_const_registers_recurse(struct list *instrs, struct livenes
case HLSL_IR_CONSTANT:
{
struct hlsl_ir_constant *constant = hlsl_ir_constant(instr);
+ const struct hlsl_type *type = instr->data_type;
+ unsigned int reg_size = type->reg_size;
+ unsigned int x, y, i, writemask;
- if (instr->data_type->reg_size > 1)
- constant->reg = allocate_range(liveness, 1, UINT_MAX, instr->data_type->reg_size);
+ if (reg_size > 1)
+ constant->reg = allocate_range(liveness, 1, UINT_MAX, reg_size);
else
- constant->reg = allocate_register(liveness, 1, UINT_MAX, instr->data_type->dimx);
- TRACE("Allocated constant @%u to %s.\n", instr->index,
- debug_register('c', constant->reg, instr->data_type));
+ constant->reg = allocate_register(liveness, 1, UINT_MAX, type->dimx);
+ TRACE("Allocated constant @%u to %s.\n", instr->index, debug_register('c', constant->reg, type));
+
+ if (!vkd3d_array_reserve((void **)&defs->values, &defs->size,
+ constant->reg.id + reg_size, sizeof(*defs->values)))
+ {
+ ctx->failed = true;
+ return;
+ }
+ defs->count = max(defs->count, constant->reg.id + reg_size);
+
+ assert(type->type <= HLSL_CLASS_LAST_NUMERIC);
+
+ if (!(writemask = constant->reg.writemask))
+ writemask = (1u << type->dimx) - 1;
+
+ for (y = 0; y < type->dimy; ++y)
+ {
+ for (x = 0, i = 0; x < 4; ++x)
+ {
+ float f;
+
+ if (!(writemask & (1u << x)))
+ continue;
+
+ switch (type->base_type)
+ {
+ case HLSL_TYPE_BOOL:
+ f = constant->value.b[i++];
+ break;
+
+ case HLSL_TYPE_FLOAT:
+ case HLSL_TYPE_HALF:
+ f = constant->value.f[i++];
+ break;
+
+ case HLSL_TYPE_INT:
+ f = constant->value.i[i++];
+ break;
+
+ case HLSL_TYPE_UINT:
+ f = constant->value.u[i++];
+ break;
+
+ case HLSL_TYPE_DOUBLE:
+ FIXME("Double constant.\n");
+ return;
+
+ default:
+ assert(0);
+ return;
+ }
+ defs->values[constant->reg.id + y].f[x] = f;
+ }
+ }
+
break;
}
case HLSL_IR_IF:
{
struct hlsl_ir_if *iff = hlsl_ir_if(instr);
- allocate_const_registers_recurse(&iff->then_instrs, liveness);
- allocate_const_registers_recurse(&iff->else_instrs, liveness);
+ allocate_const_registers_recurse(ctx, &iff->then_instrs, liveness);
+ allocate_const_registers_recurse(ctx, &iff->else_instrs, liveness);
break;
}
case HLSL_IR_LOOP:
{
struct hlsl_ir_loop *loop = hlsl_ir_loop(instr);
- allocate_const_registers_recurse(&loop->body, liveness);
+ allocate_const_registers_recurse(ctx, &loop->body, liveness);
break;
}
@@ -851,6 +908,8 @@ static void allocate_const_registers(struct hlsl_ctx *ctx, struct hlsl_ir_functi
struct liveness liveness = {0};
struct hlsl_ir_var *var;
+ allocate_const_registers_recurse(ctx, entry_func->body, &liveness);
+
LIST_FOR_EACH_ENTRY(var, &ctx->extern_vars, struct hlsl_ir_var, extern_entry)
{
if (var->is_uniform && var->last_read)
@@ -865,8 +924,6 @@ static void allocate_const_registers(struct hlsl_ctx *ctx, struct hlsl_ir_functi
TRACE("Allocated %s to %s.\n", var->name, debug_register('c', var->reg, var->data_type));
}
}
-
- allocate_const_registers_recurse(entry_func->body, &liveness);
}
/* Simple greedy temporary register allocation pass that just assigns a unique
@@ -904,6 +961,18 @@ static unsigned int put_dword(struct bytecode_buffer *buffer, uint32_t value)
return index;
}
+/* Returns the token index. */
+static unsigned int put_float(struct bytecode_buffer *buffer, float value)
+{
+ union
+ {
+ float f;
+ uint32_t u;
+ } u;
+ u.f = value;
+ return put_dword(buffer, u.u);
+}
+
static void set_dword(struct bytecode_buffer *buffer, unsigned int index, uint32_t value)
{
if (buffer->status)
@@ -1186,6 +1255,34 @@ static void write_sm1_uniforms(struct hlsl_ctx *ctx, struct bytecode_buffer *buf
set_dword(buffer, size_offset, D3DSIO_COMMENT | ((buffer->count - (ctab_start - 1)) << 16));
}
+static uint32_t sm1_encode_register_type(D3DSHADER_PARAM_REGISTER_TYPE type)
+{
+ return ((type << D3DSP_REGTYPE_SHIFT) & D3DSP_REGTYPE_MASK)
+ | ((type << D3DSP_REGTYPE_SHIFT2) & D3DSP_REGTYPE_MASK2);
+}
+
+static void write_sm1_constant_defs(struct hlsl_ctx *ctx, struct bytecode_buffer *buffer)
+{
+ unsigned int i, x;
+
+ for (i = 0; i < ctx->constant_defs.count; ++i)
+ {
+ uint32_t token = D3DSIO_DEF;
+
+ if (ctx->profile->major_version > 1)
+ token |= 5 << D3DSI_INSTLENGTH_SHIFT;
+ put_dword(buffer, token);
+
+ token = (1u << 31);
+ token |= sm1_encode_register_type(D3DSPR_CONST);
+ token |= D3DSP_WRITEMASK_ALL;
+ token |= i;
+ put_dword(buffer, token);
+ for (x = 0; x < 4; ++x)
+ put_float(buffer, ctx->constant_defs.values[i].f[x]);
+ }
+}
+
static int write_sm1_shader(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func,
struct vkd3d_shader_code *out)
{
@@ -1196,6 +1293,8 @@ static int write_sm1_shader(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *
write_sm1_uniforms(ctx, &buffer, entry_func);
+ write_sm1_constant_defs(ctx, &buffer);
+
put_dword(&buffer, D3DSIO_END);
if (!(ret = buffer.status))
--
2.31.1
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