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VideoCommon: add way to force a projection view in the VertexShaderManager

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iwubcode 2025-02-28 00:33:39 -06:00
commit 4c71e8c48b
2 changed files with 16 additions and 2 deletions
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14
Source/Core/VideoCommon/VertexShaderManager.cpp
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@ -122,11 +122,21 @@ void VertexShaderManager::SetProjectionMatrix(XFStateManager& xf_state_manager)
if (xf_state_manager.DidProjectionChange() || g_freelook_camera.GetController()->IsDirty()) if (xf_state_manager.DidProjectionChange() || g_freelook_camera.GetController()->IsDirty())
{ {
xf_state_manager.ResetProjection(); xf_state_manager.ResetProjection();
auto corrected_matrix = LoadProjectionMatrix(); auto corrected_matrix = LoadProjectionMatrix() * m_last_camera_modifier;
memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4)); memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4));
} }
} }
void VertexShaderManager::ForceProjectionMatrixUpdate(XFStateManager& xf_state_manager,
const Common::Matrix44& modifier)
{
m_last_camera_modifier = modifier;
xf_state_manager.ResetProjection();
auto corrected_matrix = LoadProjectionMatrix() * m_last_camera_modifier;
memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4));
dirty = true;
}
bool VertexShaderManager::UseVertexDepthRange() bool VertexShaderManager::UseVertexDepthRange()
{ {
// We can't compute the depth range in the vertex shader if we don't support depth clamp. // We can't compute the depth range in the vertex shader if we don't support depth clamp.
@ -388,7 +398,7 @@ void VertexShaderManager::SetConstants(XFStateManager& xf_state_manager)
{ {
xf_state_manager.ResetProjection(); xf_state_manager.ResetProjection();
auto corrected_matrix = LoadProjectionMatrix(); auto corrected_matrix = LoadProjectionMatrix() * m_last_camera_modifier;
memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4)); memcpy(constants.projection.data(), corrected_matrix.data.data(), 4 * sizeof(float4));
dirty = true; dirty = true;

4
Source/Core/VideoCommon/VertexShaderManager.h
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@ -25,6 +25,8 @@ public:
// constant management // constant management
void SetProjectionMatrix(XFStateManager& xf_state_manager); void SetProjectionMatrix(XFStateManager& xf_state_manager);
void ForceProjectionMatrixUpdate(XFStateManager& xf_state_manager,
const Common::Matrix44& modifier);
void SetConstants(XFStateManager& xf_state_manager); void SetConstants(XFStateManager& xf_state_manager);
// data: 3 floats representing the X, Y and Z vertex model coordinates and the posmatrix index. // data: 3 floats representing the X, Y and Z vertex model coordinates and the posmatrix index.
@ -81,5 +83,7 @@ private:
alignas(16) std::array<float, 16> m_projection_matrix; alignas(16) std::array<float, 16> m_projection_matrix;
// track changes // track changes
Common::Matrix44 m_last_camera_modifier = Common::Matrix44::Identity();
Common::Matrix44 LoadProjectionMatrix(); Common::Matrix44 LoadProjectionMatrix();
}; };