diff options
Diffstat (limited to 'src/video_core/transform_feedback.cpp')
| -rw-r--r-- | src/video_core/transform_feedback.cpp | 118 |
1 files changed, 66 insertions, 52 deletions
diff --git a/src/video_core/transform_feedback.cpp b/src/video_core/transform_feedback.cpp index 7e605981c..45071185a 100644 --- a/src/video_core/transform_feedback.cpp +++ b/src/video_core/transform_feedback.cpp @@ -15,51 +15,51 @@ namespace VideoCommon { std::vector<Shader::TransformFeedbackVarying> MakeTransformFeedbackVaryings( const TransformFeedbackState& state) { static constexpr std::array VECTORS{ - 28, // gl_Position - 32, // Generic 0 - 36, // Generic 1 - 40, // Generic 2 - 44, // Generic 3 - 48, // Generic 4 - 52, // Generic 5 - 56, // Generic 6 - 60, // Generic 7 - 64, // Generic 8 - 68, // Generic 9 - 72, // Generic 10 - 76, // Generic 11 - 80, // Generic 12 - 84, // Generic 13 - 88, // Generic 14 - 92, // Generic 15 - 96, // Generic 16 - 100, // Generic 17 - 104, // Generic 18 - 108, // Generic 19 - 112, // Generic 20 - 116, // Generic 21 - 120, // Generic 22 - 124, // Generic 23 - 128, // Generic 24 - 132, // Generic 25 - 136, // Generic 26 - 140, // Generic 27 - 144, // Generic 28 - 148, // Generic 29 - 152, // Generic 30 - 156, // Generic 31 - 160, // gl_FrontColor - 164, // gl_FrontSecondaryColor - 160, // gl_BackColor - 164, // gl_BackSecondaryColor - 192, // gl_TexCoord[0] - 196, // gl_TexCoord[1] - 200, // gl_TexCoord[2] - 204, // gl_TexCoord[3] - 208, // gl_TexCoord[4] - 212, // gl_TexCoord[5] - 216, // gl_TexCoord[6] - 220, // gl_TexCoord[7] + 28U, // gl_Position + 32U, // Generic 0 + 36U, // Generic 1 + 40U, // Generic 2 + 44U, // Generic 3 + 48U, // Generic 4 + 52U, // Generic 5 + 56U, // Generic 6 + 60U, // Generic 7 + 64U, // Generic 8 + 68U, // Generic 9 + 72U, // Generic 10 + 76U, // Generic 11 + 80U, // Generic 12 + 84U, // Generic 13 + 88U, // Generic 14 + 92U, // Generic 15 + 96U, // Generic 16 + 100U, // Generic 17 + 104U, // Generic 18 + 108U, // Generic 19 + 112U, // Generic 20 + 116U, // Generic 21 + 120U, // Generic 22 + 124U, // Generic 23 + 128U, // Generic 24 + 132U, // Generic 25 + 136U, // Generic 26 + 140U, // Generic 27 + 144U, // Generic 28 + 148U, // Generic 29 + 152U, // Generic 30 + 156U, // Generic 31 + 160U, // gl_FrontColor + 164U, // gl_FrontSecondaryColor + 160U, // gl_BackColor + 164U, // gl_BackSecondaryColor + 192U, // gl_TexCoord[0] + 196U, // gl_TexCoord[1] + 200U, // gl_TexCoord[2] + 204U, // gl_TexCoord[3] + 208U, // gl_TexCoord[4] + 212U, // gl_TexCoord[5] + 216U, // gl_TexCoord[6] + 220U, // gl_TexCoord[7] }; std::vector<Shader::TransformFeedbackVarying> xfb(256); for (size_t buffer = 0; buffer < state.layouts.size(); ++buffer) { @@ -68,8 +68,20 @@ std::vector<Shader::TransformFeedbackVarying> MakeTransformFeedbackVaryings( const u32 varying_count = layout.varying_count; u32 highest = 0; for (u32 offset = 0; offset < varying_count; ++offset) { - const u32 base_offset = offset; - const u8 location = locations[offset]; + const auto get_attribute = [&locations](u32 index) -> u32 { + switch (index % 4) { + case 0: + return locations[index / 4].attribute0.Value(); + case 1: + return locations[index / 4].attribute1.Value(); + case 2: + return locations[index / 4].attribute2.Value(); + case 3: + return locations[index / 4].attribute3.Value(); + } + UNREACHABLE(); + return 0; + }; UNIMPLEMENTED_IF_MSG(layout.stream != 0, "Stream is not zero: {}", layout.stream); Shader::TransformFeedbackVarying varying{ @@ -78,16 +90,18 @@ std::vector<Shader::TransformFeedbackVarying> MakeTransformFeedbackVaryings( .offset = offset * 4, .components = 1, }; - if (std::ranges::find(VECTORS, Common::AlignDown(location, 4)) != VECTORS.end()) { - UNIMPLEMENTED_IF_MSG(location % 4 != 0, "Unaligned TFB"); + const u32 base_offset = offset; + const auto attribute{get_attribute(offset)}; + if (std::ranges::find(VECTORS, Common::AlignDown(attribute, 4)) != VECTORS.end()) { + UNIMPLEMENTED_IF_MSG(attribute % 4 != 0, "Unaligned TFB {}", attribute); - const u8 base_index = location / 4; - while (offset + 1 < varying_count && base_index == locations[offset + 1] / 4) { + const auto base_index = attribute / 4; + while (offset + 1 < varying_count && base_index == get_attribute(offset + 1) / 4) { ++offset; ++varying.components; } } - xfb[location] = varying; + xfb[attribute] = varying; highest = std::max(highest, (base_offset + varying.components) * 4); } UNIMPLEMENTED_IF(highest != layout.stride); |