diff options
Diffstat (limited to 'src/video_core/swrasterizer')
| -rw-r--r-- | src/video_core/swrasterizer/clipper.cpp | 7 | ||||
| -rw-r--r-- | src/video_core/swrasterizer/rasterizer.cpp | 29 | ||||
| -rw-r--r-- | src/video_core/swrasterizer/rasterizer.h | 6 | ||||
| -rw-r--r-- | src/video_core/swrasterizer/texturing.cpp | 3 |
4 files changed, 30 insertions, 15 deletions
diff --git a/src/video_core/swrasterizer/clipper.cpp b/src/video_core/swrasterizer/clipper.cpp index 2d80822d9..6fb923756 100644 --- a/src/video_core/swrasterizer/clipper.cpp +++ b/src/video_core/swrasterizer/clipper.cpp @@ -69,13 +69,14 @@ static void InitScreenCoordinates(Vertex& vtx) { viewport.offset_y = float24::FromFloat32(static_cast<float>(regs.rasterizer.viewport_corner.y)); float24 inv_w = float24::FromFloat32(1.f) / vtx.pos.w; - vtx.color *= inv_w; - vtx.view *= inv_w; + vtx.pos.w = inv_w; vtx.quat *= inv_w; + vtx.color *= inv_w; vtx.tc0 *= inv_w; vtx.tc1 *= inv_w; + vtx.tc0_w *= inv_w; + vtx.view *= inv_w; vtx.tc2 *= inv_w; - vtx.pos.w = inv_w; vtx.screenpos[0] = (vtx.pos.x * inv_w + float24::FromFloat32(1.0)) * viewport.halfsize_x + viewport.offset_x; diff --git a/src/video_core/swrasterizer/rasterizer.cpp b/src/video_core/swrasterizer/rasterizer.cpp index 7557fcb89..20addf0bd 100644 --- a/src/video_core/swrasterizer/rasterizer.cpp +++ b/src/video_core/swrasterizer/rasterizer.cpp @@ -276,8 +276,10 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve DEBUG_ASSERT(0 != texture.config.address); - float24 u = uv[i].u(); - float24 v = uv[i].v(); + int coordinate_i = + (i == 2 && regs.texturing.main_config.texture2_use_coord1) ? 1 : i; + float24 u = uv[coordinate_i].u(); + float24 v = uv[coordinate_i].v(); // Only unit 0 respects the texturing type (according to 3DBrew) // TODO: Refactor so cubemaps and shadowmaps can be handled @@ -403,13 +405,22 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve }; auto color_output = ColorCombine(tev_stage.color_op, color_result); - // alpha combiner - std::array<u8, 3> alpha_result = {{ - GetAlphaModifier(tev_stage.alpha_modifier1, GetSource(tev_stage.alpha_source1)), - GetAlphaModifier(tev_stage.alpha_modifier2, GetSource(tev_stage.alpha_source2)), - GetAlphaModifier(tev_stage.alpha_modifier3, GetSource(tev_stage.alpha_source3)), - }}; - auto alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result); + u8 alpha_output; + if (tev_stage.color_op == TexturingRegs::TevStageConfig::Operation::Dot3_RGBA) { + // result of Dot3_RGBA operation is also placed to the alpha component + alpha_output = color_output.x; + } else { + // alpha combiner + std::array<u8, 3> alpha_result = {{ + GetAlphaModifier(tev_stage.alpha_modifier1, + GetSource(tev_stage.alpha_source1)), + GetAlphaModifier(tev_stage.alpha_modifier2, + GetSource(tev_stage.alpha_source2)), + GetAlphaModifier(tev_stage.alpha_modifier3, + GetSource(tev_stage.alpha_source3)), + }}; + alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result); + } combiner_output[0] = std::min((unsigned)255, color_output.r() * tev_stage.GetColorMultiplier()); diff --git a/src/video_core/swrasterizer/rasterizer.h b/src/video_core/swrasterizer/rasterizer.h index 3a72ac343..2f0877581 100644 --- a/src/video_core/swrasterizer/rasterizer.h +++ b/src/video_core/swrasterizer/rasterizer.h @@ -23,13 +23,15 @@ struct Vertex : Shader::OutputVertex { pos = pos * factor + vtx.pos * (float24::FromFloat32(1) - factor); // TODO: Should perform perspective correct interpolation here... + quat = quat * factor + vtx.quat * (float24::FromFloat32(1) - factor); + color = color * factor + vtx.color * (float24::FromFloat32(1) - factor); tc0 = tc0 * factor + vtx.tc0 * (float24::FromFloat32(1) - factor); tc1 = tc1 * factor + vtx.tc1 * (float24::FromFloat32(1) - factor); + tc0_w = tc0_w * factor + vtx.tc0_w * (float24::FromFloat32(1) - factor); + view = view * factor + vtx.view * (float24::FromFloat32(1) - factor); tc2 = tc2 * factor + vtx.tc2 * (float24::FromFloat32(1) - factor); screenpos = screenpos * factor + vtx.screenpos * (float24::FromFloat32(1) - factor); - - color = color * factor + vtx.color * (float24::FromFloat32(1) - factor); } // Linear interpolation diff --git a/src/video_core/swrasterizer/texturing.cpp b/src/video_core/swrasterizer/texturing.cpp index eb18e4ba4..aeb6aeb8c 100644 --- a/src/video_core/swrasterizer/texturing.cpp +++ b/src/video_core/swrasterizer/texturing.cpp @@ -169,7 +169,8 @@ Math::Vec3<u8> ColorCombine(TevStageConfig::Operation op, const Math::Vec3<u8> i result = (result * input[2].Cast<int>()) / 255; return result.Cast<u8>(); } - case Operation::Dot3_RGB: { + case Operation::Dot3_RGB: + case Operation::Dot3_RGBA: { // Not fully accurate. Worst case scenario seems to yield a +/-3 error. Some HW results // indicate that the per-component computation can't have a higher precision than 1/256, // while dot3_rgb((0x80,g0,b0), (0x7F,g1,b1)) and dot3_rgb((0x80,g0,b0), (0x80,g1,b1)) give |