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-rw-r--r--src/video_core/vertex_shader.cpp100
1 files changed, 58 insertions, 42 deletions
diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp
index c98c625c2..33a862b74 100644
--- a/src/video_core/vertex_shader.cpp
+++ b/src/video_core/vertex_shader.cpp
@@ -86,6 +86,8 @@ static void ProcessShaderCode(VertexShaderState& state) {
bool increment_pc = true;
bool exit_loop = false;
const Instruction& instr = *(const Instruction*)state.program_counter;
+ const SwizzlePattern& swizzle = *(SwizzlePattern*)&swizzle_data[instr.common.operand_desc_id];
+
state.debug.max_offset = std::max<u32>(state.debug.max_offset, 1 + (state.program_counter - shader_memory.data()));
auto LookupSourceRegister = [&](const SourceRegister& source_reg) -> const float24* {
@@ -100,47 +102,52 @@ static void ProcessShaderCode(VertexShaderState& state) {
return &shader_uniforms.f[source_reg.GetIndex()].x;
}
};
- bool is_inverted = 0 != (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::SrcInversed);
- const float24* src1_ = LookupSourceRegister(instr.common.GetSrc1(is_inverted));
- const float24* src2_ = LookupSourceRegister(instr.common.GetSrc2(is_inverted));
- float24* dest = (instr.common.dest < 0x08) ? state.output_register_table[4*instr.common.dest.GetIndex()]
- : (instr.common.dest < 0x10) ? nullptr
- : (instr.common.dest < 0x20) ? &state.temporary_registers[instr.common.dest.GetIndex()][0]
- : nullptr;
- const SwizzlePattern& swizzle = *(SwizzlePattern*)&swizzle_data[instr.common.operand_desc_id];
- const bool negate_src1 = (swizzle.negate_src1 != 0);
- const bool negate_src2 = (swizzle.negate_src2 != 0);
-
- float24 src1[4] = {
- src1_[(int)swizzle.GetSelectorSrc1(0)],
- src1_[(int)swizzle.GetSelectorSrc1(1)],
- src1_[(int)swizzle.GetSelectorSrc1(2)],
- src1_[(int)swizzle.GetSelectorSrc1(3)],
- };
- if (negate_src1) {
- src1[0] = src1[0] * float24::FromFloat32(-1);
- src1[1] = src1[1] * float24::FromFloat32(-1);
- src1[2] = src1[2] * float24::FromFloat32(-1);
- src1[3] = src1[3] * float24::FromFloat32(-1);
- }
- float24 src2[4] = {
- src2_[(int)swizzle.GetSelectorSrc2(0)],
- src2_[(int)swizzle.GetSelectorSrc2(1)],
- src2_[(int)swizzle.GetSelectorSrc2(2)],
- src2_[(int)swizzle.GetSelectorSrc2(3)],
- };
- if (negate_src2) {
- src2[0] = src2[0] * float24::FromFloat32(-1);
- src2[1] = src2[1] * float24::FromFloat32(-1);
- src2[2] = src2[2] * float24::FromFloat32(-1);
- src2[3] = src2[3] * float24::FromFloat32(-1);
- }
+ switch (instr.opcode.GetInfo().type) {
+ case Instruction::OpCodeType::Arithmetic:
+ {
+ bool is_inverted = 0 != (instr.opcode.GetInfo().subtype & Instruction::OpCodeInfo::SrcInversed);
+ const float24* src1_ = LookupSourceRegister(instr.common.GetSrc1(is_inverted));
+ const float24* src2_ = LookupSourceRegister(instr.common.GetSrc2(is_inverted));
+
+ const bool negate_src1 = (swizzle.negate_src1 != 0);
+ const bool negate_src2 = (swizzle.negate_src2 != 0);
+
+ float24 src1[4] = {
+ src1_[(int)swizzle.GetSelectorSrc1(0)],
+ src1_[(int)swizzle.GetSelectorSrc1(1)],
+ src1_[(int)swizzle.GetSelectorSrc1(2)],
+ src1_[(int)swizzle.GetSelectorSrc1(3)],
+ };
+ if (negate_src1) {
+ src1[0] = src1[0] * float24::FromFloat32(-1);
+ src1[1] = src1[1] * float24::FromFloat32(-1);
+ src1[2] = src1[2] * float24::FromFloat32(-1);
+ src1[3] = src1[3] * float24::FromFloat32(-1);
+ }
+ float24 src2[4] = {
+ src2_[(int)swizzle.GetSelectorSrc2(0)],
+ src2_[(int)swizzle.GetSelectorSrc2(1)],
+ src2_[(int)swizzle.GetSelectorSrc2(2)],
+ src2_[(int)swizzle.GetSelectorSrc2(3)],
+ };
+ if (negate_src2) {
+ src2[0] = src2[0] * float24::FromFloat32(-1);
+ src2[1] = src2[1] * float24::FromFloat32(-1);
+ src2[2] = src2[2] * float24::FromFloat32(-1);
+ src2[3] = src2[3] * float24::FromFloat32(-1);
+ }
+
+ float24* dest = (instr.common.dest < 0x08) ? state.output_register_table[4*instr.common.dest.GetIndex()]
+ : (instr.common.dest < 0x10) ? nullptr
+ : (instr.common.dest < 0x20) ? &state.temporary_registers[instr.common.dest.GetIndex()][0]
+ : nullptr;
+
+ state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
- switch (instr.opcode) {
+ switch (instr.opcode) {
case Instruction::OpCode::ADD:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
for (int i = 0; i < 4; ++i) {
if (!swizzle.DestComponentEnabled(i))
continue;
@@ -153,7 +160,6 @@ static void ProcessShaderCode(VertexShaderState& state) {
case Instruction::OpCode::MUL:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
for (int i = 0; i < 4; ++i) {
if (!swizzle.DestComponentEnabled(i))
continue;
@@ -167,7 +173,6 @@ static void ProcessShaderCode(VertexShaderState& state) {
case Instruction::OpCode::DP3:
case Instruction::OpCode::DP4:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
float24 dot = float24::FromFloat32(0.f);
int num_components = (instr.opcode == Instruction::OpCode::DP3) ? 3 : 4;
for (int i = 0; i < num_components; ++i)
@@ -185,7 +190,6 @@ static void ProcessShaderCode(VertexShaderState& state) {
// Reciprocal
case Instruction::OpCode::RCP:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
for (int i = 0; i < 4; ++i) {
if (!swizzle.DestComponentEnabled(i))
continue;
@@ -201,7 +205,6 @@ static void ProcessShaderCode(VertexShaderState& state) {
// Reciprocal Square Root
case Instruction::OpCode::RSQ:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
for (int i = 0; i < 4; ++i) {
if (!swizzle.DestComponentEnabled(i))
continue;
@@ -216,7 +219,6 @@ static void ProcessShaderCode(VertexShaderState& state) {
case Instruction::OpCode::MOV:
{
- state.debug.max_opdesc_id = std::max<u32>(state.debug.max_opdesc_id, 1+instr.common.operand_desc_id);
for (int i = 0; i < 4; ++i) {
if (!swizzle.DestComponentEnabled(i))
continue;
@@ -226,6 +228,17 @@ static void ProcessShaderCode(VertexShaderState& state) {
break;
}
+ default:
+ LOG_ERROR(HW_GPU, "Unhandled arithmetic instruction: 0x%02x (%s): 0x%08x",
+ (int)instr.opcode.Value(), instr.opcode.GetInfo().name, instr.hex);
+ break;
+ }
+
+ break;
+ }
+ default:
+ // Process instruction explicitly
+ switch (instr.opcode) {
// NOP is currently used as a heuristic for leaving from a function.
// TODO: This is completely incorrect.
case Instruction::OpCode::NOP:
@@ -256,6 +269,9 @@ static void ProcessShaderCode(VertexShaderState& state) {
LOG_ERROR(HW_GPU, "Unhandled instruction: 0x%02x (%s): 0x%08x",
(int)instr.opcode.Value(), instr.opcode.GetInfo().name, instr.hex);
break;
+ }
+
+ break;
}
if (increment_pc)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:23:47 +0100