From cb1804e0aba48826d671afb0500ae5eaeebd5c5a Mon Sep 17 00:00:00 2001 From: Tony Wasserka Date: Fri, 12 Dec 2014 18:31:37 +0100 Subject: Pica/VertexShader: Move code around a bit. --- src/video_core/vertex_shader.cpp | 100 +++++++++++++++++++++++---------------- 1 file changed, 58 insertions(+), 42 deletions(-) (limited to 'src/video_core/vertex_shader.cpp') diff --git a/src/video_core/vertex_shader.cpp b/src/video_core/vertex_shader.cpp index c98c625c..33a862b7 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(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(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(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(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(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(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(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(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) -- cgit v1.2.3