diff options
Diffstat (limited to 'src/video_core')
-rw-r--r-- | src/video_core/engines/maxwell_3d.h | 40 | ||||
-rw-r--r-- | src/video_core/engines/shader_bytecode.h | 15 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 4 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer_cache.cpp | 3 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 31 |
5 files changed, 77 insertions, 16 deletions
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index 5cf62fb01..245410c95 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -354,10 +354,35 @@ public: f32 scale_x; f32 scale_y; f32 scale_z; - u32 translate_x; - u32 translate_y; - u32 translate_z; + f32 translate_x; + f32 translate_y; + f32 translate_z; INSERT_PADDING_WORDS(2); + + MathUtil::Rectangle<s32> GetRect() const { + return { + GetX(), // left + GetY() + GetHeight(), // top + GetX() + GetWidth(), // right + GetY() // bottom + }; + }; + + s32 GetX() const { + return static_cast<s32>(std::max(0.0f, translate_x - std::fabs(scale_x))); + } + + s32 GetY() const { + return static_cast<s32>(std::max(0.0f, translate_y - std::fabs(scale_y))); + } + + s32 GetWidth() const { + return static_cast<s32>(translate_x + std::fabs(scale_x)) - GetX(); + } + + s32 GetHeight() const { + return static_cast<s32>(translate_y + std::fabs(scale_y)) - GetY(); + } } viewport_transform[NumViewports]; struct { @@ -371,15 +396,6 @@ public: }; float depth_range_near; float depth_range_far; - - MathUtil::Rectangle<s32> GetRect() const { - return { - static_cast<s32>(x), // left - static_cast<s32>(y + height), // top - static_cast<s32>(x + width), // right - static_cast<s32>(y) // bottom - }; - }; } viewport[NumViewports]; INSERT_PADDING_WORDS(0x1D); diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 77c8399f1..e7ef7e71f 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -288,6 +288,19 @@ union Instruction { } } texs; + union { + BitField<20, 5, u64> target; + BitField<5, 1, u64> constant_buffer; + + s32 GetBranchTarget() const { + // Sign extend the branch target offset + u32 mask = 1U << (5 - 1); + u32 value = static_cast<u32>(target); + // The branch offset is relative to the next instruction, so add 1 to it. + return static_cast<s32>((value ^ mask) - mask) + 1; + } + } bra; + BitField<61, 1, u64> is_b_imm; BitField<60, 1, u64> is_b_gpr; BitField<59, 1, u64> is_c_gpr; @@ -306,6 +319,7 @@ class OpCode { public: enum class Id { KIL, + BRA, LD_A, ST_A, TEX, @@ -470,6 +484,7 @@ private: std::vector<Matcher> table = { #define INST(bitstring, op, type, name) Detail::GetMatcher(bitstring, op, type, name) INST("111000110011----", Id::KIL, Type::Flow, "KIL"), + INST("111000100100----", Id::BRA, Type::Flow, "BRA"), INST("1110111111011---", Id::LD_A, Type::Memory, "LD_A"), INST("1110111111110---", Id::ST_A, Type::Memory, "ST_A"), INST("1100000000111---", Id::TEX, Type::Memory, "TEX"), diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 35c1b1890..0a33868b7 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -298,7 +298,7 @@ void RasterizerOpenGL::DrawArrays() { const bool has_stencil = false; const bool using_color_fb = true; const bool using_depth_fb = false; - const MathUtil::Rectangle<s32> viewport_rect{regs.viewport[0].GetRect()}; + const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[0].GetRect()}; const bool write_color_fb = state.color_mask.red_enabled == GL_TRUE || state.color_mask.green_enabled == GL_TRUE || @@ -702,7 +702,7 @@ void RasterizerOpenGL::BindFramebufferSurfaces(const Surface& color_surface, void RasterizerOpenGL::SyncViewport(const MathUtil::Rectangle<u32>& surfaces_rect, u16 res_scale) { const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs; - const MathUtil::Rectangle<s32> viewport_rect{regs.viewport[0].GetRect()}; + const MathUtil::Rectangle<s32> viewport_rect{regs.viewport_transform[0].GetRect()}; state.viewport.x = static_cast<GLint>(surfaces_rect.left) + viewport_rect.left * res_scale; state.viewport.y = static_cast<GLint>(surfaces_rect.bottom) + viewport_rect.bottom * res_scale; diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp index 65d643447..d6048f639 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp @@ -933,7 +933,8 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, ScaleMatc // Use GetSurfaceSubRect instead ASSERT(params.width == params.stride); - ASSERT(!params.is_tiled || (params.width % 8 == 0 && params.height % 8 == 0)); + ASSERT(!params.is_tiled || + (params.GetActualWidth() % 8 == 0 && params.GetActualHeight() % 8 == 0)); // Check for an exact match in existing surfaces Surface surface = diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 39cb022fe..45d120757 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -88,6 +88,20 @@ private: return *subroutines.insert(std::move(subroutine)).first; } + /// Merges exit method of two parallel branches. + static ExitMethod ParallelExit(ExitMethod a, ExitMethod b) { + if (a == ExitMethod::Undetermined) { + return b; + } + if (b == ExitMethod::Undetermined) { + return a; + } + if (a == b) { + return a; + } + return ExitMethod::Conditional; + } + /// Scans a range of code for labels and determines the exit method. ExitMethod Scan(u32 begin, u32 end, std::set<u32>& labels) { auto [iter, inserted] = @@ -97,11 +111,19 @@ private: return exit_method; for (u32 offset = begin; offset != end && offset != PROGRAM_END; ++offset) { - if (const auto opcode = OpCode::Decode({program_code[offset]})) { + const Instruction instr = {program_code[offset]}; + if (const auto opcode = OpCode::Decode(instr)) { switch (opcode->GetId()) { case OpCode::Id::EXIT: { return exit_method = ExitMethod::AlwaysEnd; } + case OpCode::Id::BRA: { + u32 target = offset + instr.bra.GetBranchTarget(); + labels.insert(target); + ExitMethod no_jmp = Scan(offset + 1, end, labels); + ExitMethod jmp = Scan(target, end, labels); + return exit_method = ParallelExit(no_jmp, jmp); + } } } } @@ -1096,6 +1118,13 @@ private: shader.AddLine("discard;"); break; } + case OpCode::Id::BRA: { + ASSERT_MSG(instr.bra.constant_buffer == 0, + "BRA with constant buffers are not implemented"); + u32 target = offset + instr.bra.GetBranchTarget(); + shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }"); + break; + } case OpCode::Id::IPA: { const auto& attribute = instr.attribute.fmt28; regs.SetRegisterToInputAttibute(instr.gpr0, attribute.element, attribute.index); |