[PATCH vkd3d v3 01/12] vkd3d-shader/hlsl: Add support for sm4 instruction modifiers.
Francisco Casas
fcasas at codeweavers.com
Fri Dec 17 13:12:43 CST 2021
Signed-off-by: Francisco Casas <fcasas at codeweavers.com>
---
libs/vkd3d-shader/hlsl_sm4.c | 54 ++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index 2458018f..07bbd376 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -727,6 +727,46 @@ static enum vkd3d_sm4_resource_type sm4_resource_dimension(const struct hlsl_typ
}
}
+struct sm4_instruction_modifier
+{
+ enum vkd3d_sm4_instruction_modifier type;
+
+ union
+ {
+ struct
+ {
+ int u,v,w;
+ } aoffimmi;
+ };
+};
+
+static uint32_t sm4_encode_instruction_modifier(struct sm4_instruction_modifier imod)
+{
+ uint32_t word = 0;
+
+ word |= VKD3D_SM4_MODIFIER_MASK & imod.type;
+
+ switch (imod.type)
+ {
+ case VKD3D_SM4_MODIFIER_AOFFIMMI:
+ assert(-8 <= imod.aoffimmi.u && imod.aoffimmi.u <= 7);
+ assert(-8 <= imod.aoffimmi.v && imod.aoffimmi.v <= 7);
+ assert(-8 <= imod.aoffimmi.w && imod.aoffimmi.w <= 7);
+ word |= ((uint32_t)imod.aoffimmi.u & 0xf) << VKD3D_SM4_AOFFIMMI_U_SHIFT;
+ word |= ((uint32_t)imod.aoffimmi.v & 0xf) << VKD3D_SM4_AOFFIMMI_V_SHIFT;
+ word |= ((uint32_t)imod.aoffimmi.w & 0xf) << VKD3D_SM4_AOFFIMMI_W_SHIFT;
+ break;
+
+ default:
+ FIXME("Unhandled instruction modifier %#x.\n", imod.type);
+ return 0;
+ break;
+ }
+
+ return word;
+}
+
+
struct sm4_register
{
enum vkd3d_sm4_register_type type;
@@ -741,6 +781,9 @@ struct sm4_instruction
{
enum vkd3d_sm4_opcode opcode;
+ struct sm4_instruction_modifier modifiers[1];
+ unsigned int modifier_count;
+
struct
{
struct sm4_register reg;
@@ -913,6 +956,7 @@ static void write_sm4_instruction(struct vkd3d_bytecode_buffer *buffer, const st
uint32_t token = instr->opcode;
unsigned int size = 1, i, j;
+ size += instr->modifier_count;
for (i = 0; i < instr->dst_count; ++i)
size += sm4_register_order(&instr->dsts[i].reg);
for (i = 0; i < instr->src_count; ++i)
@@ -920,8 +964,18 @@ static void write_sm4_instruction(struct vkd3d_bytecode_buffer *buffer, const st
size += instr->idx_count;
token |= (size << VKD3D_SM4_INSTRUCTION_LENGTH_SHIFT);
+
+ token |= ((0 < instr->modifier_count) << 31);
+
put_u32(buffer, token);
+ for (i = 0; i < instr->modifier_count; i++)
+ {
+ token = sm4_encode_instruction_modifier(instr->modifiers[i]);
+ token |= ((i + 1 < instr->modifier_count) << 31);
+ put_u32(buffer, token);
+ }
+
for (i = 0; i < instr->dst_count; ++i)
{
token = sm4_encode_register(&instr->dsts[i].reg);
--
2.25.1
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