mirror of
https://github.com/hrydgard/ppsspp.git
synced 2025-04-04 10:21:46 +00:00
93 lines
3.5 KiB
C++
93 lines
3.5 KiB
C++
// Copyright (c) 2013- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/Math/lin/matrix4x4.h"
|
|
#include "GPU/Common/VertexDecoderCommon.h"
|
|
#include "GPU/Common/TransformCommon.h"
|
|
|
|
class FramebufferManagerCommon;
|
|
class TextureCacheCommon;
|
|
|
|
enum SoftwareTransformAction {
|
|
SW_NOT_READY,
|
|
SW_DRAW_INDEXED,
|
|
SW_CLEAR,
|
|
};
|
|
|
|
struct SoftwareTransformResult {
|
|
SoftwareTransformAction action;
|
|
u32 color;
|
|
float depth;
|
|
|
|
bool setStencil;
|
|
u8 stencilValue;
|
|
|
|
bool setSafeSize;
|
|
u32 safeWidth;
|
|
u32 safeHeight;
|
|
|
|
TransformedVertex *drawBuffer;
|
|
int drawNumTrans;
|
|
bool pixelMapped;
|
|
};
|
|
|
|
struct SoftwareTransformParams {
|
|
u8 *decoded;
|
|
TransformedVertex *transformed;
|
|
TransformedVertex *transformedExpanded;
|
|
FramebufferManagerCommon *fbman;
|
|
TextureCacheCommon *texCache;
|
|
bool allowClear;
|
|
bool allowSeparateAlphaClear;
|
|
bool flippedY;
|
|
bool usesHalfZ;
|
|
};
|
|
|
|
// Converts an index buffer to make the provoking vertex the last.
|
|
// In-place. So, better not be doing this on GPU memory!
|
|
// TODO: We could do this already during index decode.
|
|
void IndexBufferProvokingLastToFirst(int prim, u16 *inds, int indsSize);
|
|
|
|
class SoftwareTransform {
|
|
public:
|
|
SoftwareTransform(SoftwareTransformParams ¶ms) : params_(params) {}
|
|
|
|
void SetProjMatrix(const float mtx[14], bool invertedX, bool invertedY, const Lin::Vec3 &trans, const Lin::Vec3 &scale);
|
|
void Transform(int prim, u32 vertexType, const DecVtxFormat &decVtxFormat, int numDecodedVerts, SoftwareTransformResult *result);
|
|
|
|
// NOTE: The viewport must be up to date!
|
|
// indsSize is in indices, not bytes.
|
|
void BuildDrawingParams(int prim, int vertexCount, u32 vertType, u16 *&inds, int indsSize, int &numDecodedVerts, int vertsSize, SoftwareTransformResult *result);
|
|
|
|
protected:
|
|
void CalcCullParams(float &minZValue, float &maxZValue) const;
|
|
bool ExpandRectangles(int vertexCount, int &numDecodedVerts, int vertsSize, u16 *&inds, int indsSize, const TransformedVertex *transformed, TransformedVertex *transformedExpanded, int &numTrans, bool throughmode, bool *pixelMappedExactly) const;
|
|
static bool ExpandLines(int vertexCount, int &numDecodedVerts, int vertsSize, u16 *&inds, int indsSize, const TransformedVertex *transformed, TransformedVertex *transformedExpanded, int &numTrans, bool throughmode) ;
|
|
static bool ExpandPoints(int vertexCount, int &numDecodedVerts, int vertsSize, u16 *&inds, int indsSize, const TransformedVertex *transformed, TransformedVertex *transformedExpanded, int &numTrans, bool throughmode) ;
|
|
|
|
const SoftwareTransformParams ¶ms_;
|
|
Lin::Matrix4x4 projMatrix_;
|
|
};
|
|
|
|
// Slow. See description in the cpp file.
|
|
u32 NormalizeVertices(SimpleVertex *sverts, u8 *bufPtr, const u8 *inPtr, int lowerBound, int upperBound, VertexDecoder *dec, u32 vertType);
|
|
bool GetCurrentDrawAsDebugVertices(DrawEngineCommon *drawEngine, int count, std::vector<GPUDebugVertex> &vertices, std::vector<u16> &indices);
|