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VideoCommon: Add class for quickly transforming and culling vertices on the CPU

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This commit is contained in:
TellowKrinkle
2022-11-10 19:30:49 -06:00
parent f6fbeaf355
commit b170ef9651
9 changed files with 1017 additions and 84 deletions
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172
Source/Core/VideoCommon/VertexShaderManager.cpp
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@ -65,6 +65,97 @@ void VertexShaderManager::Dirty()
dirty = true;
}
Common::Matrix44 VertexShaderManager::LoadProjectionMatrix()
{
const auto& rawProjection = xfmem.projection.rawProjection;
switch (xfmem.projection.type)
{
case ProjectionType::Perspective:
{
const Common::Vec2 fov_multiplier = g_freelook_camera.IsActive() ?
g_freelook_camera.GetFieldOfViewMultiplier() :
Common::Vec2{1, 1};
m_projection_matrix[0] = rawProjection[0] * g_ActiveConfig.fAspectRatioHackW * fov_multiplier.x;
m_projection_matrix[1] = 0.0f;
m_projection_matrix[2] = rawProjection[1] * g_ActiveConfig.fAspectRatioHackW * fov_multiplier.x;
m_projection_matrix[3] = 0.0f;
m_projection_matrix[4] = 0.0f;
m_projection_matrix[5] = rawProjection[2] * g_ActiveConfig.fAspectRatioHackH * fov_multiplier.y;
m_projection_matrix[6] = rawProjection[3] * g_ActiveConfig.fAspectRatioHackH * fov_multiplier.y;
m_projection_matrix[7] = 0.0f;
m_projection_matrix[8] = 0.0f;
m_projection_matrix[9] = 0.0f;
m_projection_matrix[10] = rawProjection[4];
m_projection_matrix[11] = rawProjection[5];
m_projection_matrix[12] = 0.0f;
m_projection_matrix[13] = 0.0f;
m_projection_matrix[14] = -1.0f;
m_projection_matrix[15] = 0.0f;
g_stats.gproj = m_projection_matrix;
}
break;
case ProjectionType::Orthographic:
{
m_projection_matrix[0] = rawProjection[0];
m_projection_matrix[1] = 0.0f;
m_projection_matrix[2] = 0.0f;
m_projection_matrix[3] = rawProjection[1];
m_projection_matrix[4] = 0.0f;
m_projection_matrix[5] = rawProjection[2];
m_projection_matrix[6] = 0.0f;
m_projection_matrix[7] = rawProjection[3];
m_projection_matrix[8] = 0.0f;
m_projection_matrix[9] = 0.0f;
m_projection_matrix[10] = rawProjection[4];
m_projection_matrix[11] = rawProjection[5];
m_projection_matrix[12] = 0.0f;
m_projection_matrix[13] = 0.0f;
m_projection_matrix[14] = 0.0f;
m_projection_matrix[15] = 1.0f;
g_stats.g2proj = m_projection_matrix;
g_stats.proj = rawProjection;
}
break;
default:
ERROR_LOG_FMT(VIDEO, "Unknown projection type: {}", xfmem.projection.type);
}
PRIM_LOG("Projection: {} {} {} {} {} {}", rawProjection[0], rawProjection[1], rawProjection[2],
rawProjection[3], rawProjection[4], rawProjection[5]);
auto corrected_matrix = m_viewport_correction * Common::Matrix44::FromArray(m_projection_matrix);
if (g_freelook_camera.IsActive() && xfmem.projection.type == ProjectionType::Perspective)
corrected_matrix *= g_freelook_camera.GetView();
g_freelook_camera.GetController()->SetClean();
return corrected_matrix;
}
void VertexShaderManager::SetProjectionMatrix()
{
if (m_projection_changed || g_freelook_camera.GetController()->IsDirty())
{
m_projection_changed = false;
auto corrected_matrix = LoadProjectionMatrix();
memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4));
}
}
// Syncs the shader constant buffers with xfmem
// TODO: A cleaner way to control the matrices without making a mess in the parameters field
void VertexShaderManager::SetConstants(const std::vector<std::string>& textures)
@ -317,84 +408,7 @@ void VertexShaderManager::SetConstants(const std::vector<std::string>& textures)
m_projection_changed = false;
m_projection_graphics_mod_change = !projection_actions.empty();
const auto& rawProjection = xfmem.projection.rawProjection;
switch (xfmem.projection.type)
{
case ProjectionType::Perspective:
{
const Common::Vec2 fov_multiplier = g_freelook_camera.IsActive() ?
g_freelook_camera.GetFieldOfViewMultiplier() :
Common::Vec2{1, 1};
m_projection_matrix[0] =
rawProjection[0] * g_ActiveConfig.fAspectRatioHackW * fov_multiplier.x;
m_projection_matrix[1] = 0.0f;
m_projection_matrix[2] =
rawProjection[1] * g_ActiveConfig.fAspectRatioHackW * fov_multiplier.x;
m_projection_matrix[3] = 0.0f;
m_projection_matrix[4] = 0.0f;
m_projection_matrix[5] =
rawProjection[2] * g_ActiveConfig.fAspectRatioHackH * fov_multiplier.y;
m_projection_matrix[6] =
rawProjection[3] * g_ActiveConfig.fAspectRatioHackH * fov_multiplier.y;
m_projection_matrix[7] = 0.0f;
m_projection_matrix[8] = 0.0f;
m_projection_matrix[9] = 0.0f;
m_projection_matrix[10] = rawProjection[4];
m_projection_matrix[11] = rawProjection[5];
m_projection_matrix[12] = 0.0f;
m_projection_matrix[13] = 0.0f;
m_projection_matrix[14] = -1.0f;
m_projection_matrix[15] = 0.0f;
g_stats.gproj = m_projection_matrix;
}
break;
case ProjectionType::Orthographic:
{
m_projection_matrix[0] = rawProjection[0];
m_projection_matrix[1] = 0.0f;
m_projection_matrix[2] = 0.0f;
m_projection_matrix[3] = rawProjection[1];
m_projection_matrix[4] = 0.0f;
m_projection_matrix[5] = rawProjection[2];
m_projection_matrix[6] = 0.0f;
m_projection_matrix[7] = rawProjection[3];
m_projection_matrix[8] = 0.0f;
m_projection_matrix[9] = 0.0f;
m_projection_matrix[10] = rawProjection[4];
m_projection_matrix[11] = rawProjection[5];
m_projection_matrix[12] = 0.0f;
m_projection_matrix[13] = 0.0f;
m_projection_matrix[14] = 0.0f;
m_projection_matrix[15] = 1.0f;
g_stats.g2proj = m_projection_matrix;
g_stats.proj = rawProjection;
}
break;
default:
ERROR_LOG_FMT(VIDEO, "Unknown projection type: {}", xfmem.projection.type);
}
PRIM_LOG("Projection: {} {} {} {} {} {}", rawProjection[0], rawProjection[1], rawProjection[2],
rawProjection[3], rawProjection[4], rawProjection[5]);
auto corrected_matrix =
m_viewport_correction * Common::Matrix44::FromArray(m_projection_matrix);
if (g_freelook_camera.IsActive() && xfmem.projection.type == ProjectionType::Perspective)
corrected_matrix *= g_freelook_camera.GetView();
auto corrected_matrix = LoadProjectionMatrix();
GraphicsModActionData::Projection projection{&corrected_matrix};
for (auto action : projection_actions)
@ -404,8 +418,6 @@ void VertexShaderManager::SetConstants(const std::vector<std::string>& textures)
memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4));
g_freelook_camera.GetController()->SetClean();
dirty = true;
}