mirror of
https://github.com/DrBeef/Raze.git
synced 2024-12-15 15:11:01 +00:00
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
|
/*
|
||
|
** Polygon Doom software renderer
|
||
|
** Copyright (c) 2016 Magnus Norddahl
|
||
|
**
|
||
|
** This software is provided 'as-is', without any express or implied
|
||
|
** warranty. In no event will the authors be held liable for any damages
|
||
|
** arising from the use of this software.
|
||
|
**
|
||
|
** Permission is granted to anyone to use this software for any purpose,
|
||
|
** including commercial applications, and to alter it and redistribute it
|
||
|
** freely, subject to the following restrictions:
|
||
|
**
|
||
|
** 1. The origin of this software must not be misrepresented; you must not
|
||
|
** claim that you wrote the original software. If you use this software
|
||
|
** in a product, an acknowledgment in the product documentation would be
|
||
|
** appreciated but is not required.
|
||
|
** 2. Altered source versions must be plainly marked as such, and must not be
|
||
|
** misrepresented as being the original software.
|
||
|
** 3. This notice may not be removed or altered from any source distribution.
|
||
|
**
|
||
|
*/
|
||
|
|
||
|
#pragma once
|
||
|
|
||
|
//#include "swrenderer/drawers/r_draw.h"
|
||
|
#include "r_thread.h"
|
||
|
#include "polyrenderer/drawers/screen_triangle.h"
|
||
|
#include "polyrenderer/drawers/poly_vertex_shader.h"
|
||
|
|
||
|
class DCanvas;
|
||
|
class RenderMemory;
|
||
|
class PolyDrawerCommand;
|
||
|
class PolyInputAssembly;
|
||
|
class PolyDepthStencil;
|
||
|
struct PolyPushConstants;
|
||
|
|
||
|
enum class PolyDrawMode
|
||
|
{
|
||
|
Points,
|
||
|
Lines,
|
||
|
Triangles,
|
||
|
TriangleFan,
|
||
|
TriangleStrip
|
||
|
};
|
||
|
|
||
|
class PolyCommandBuffer
|
||
|
{
|
||
|
public:
|
||
|
PolyCommandBuffer(RenderMemory* frameMemory);
|
||
|
|
||
|
void SetViewport(int x, int y, int width, int height, DCanvas *canvas, PolyDepthStencil *depthStencil, bool topdown);
|
||
|
void SetInputAssembly(PolyInputAssembly *input);
|
||
|
void SetVertexBuffer(const void *vertices);
|
||
|
void SetIndexBuffer(const void *elements);
|
||
|
void SetLightBuffer(const void *lights);
|
||
|
void SetViewpointUniforms(const HWViewpointUniforms *uniforms);
|
||
|
void SetDepthClamp(bool on);
|
||
|
void SetDepthMask(bool on);
|
||
|
void SetDepthFunc(int func);
|
||
|
void SetDepthRange(float min, float max);
|
||
|
void SetDepthBias(float depthBiasConstantFactor, float depthBiasSlopeFactor);
|
||
|
void SetColorMask(bool r, bool g, bool b, bool a);
|
||
|
void SetStencil(int stencilRef, int op);
|
||
|
void SetCulling(int mode);
|
||
|
void EnableStencil(bool on);
|
||
|
void SetScissor(int x, int y, int w, int h);
|
||
|
void SetRenderStyle(FRenderStyle style);
|
||
|
void SetTexture(int unit, void *pixels, int width, int height, bool bgra);
|
||
|
void SetShader(int specialEffect, int effectState, bool alphaTest, bool colormapShader);
|
||
|
void PushStreamData(const StreamData &data, const PolyPushConstants &constants);
|
||
|
void PushMatrices(const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix);
|
||
|
void ClearDepth(float value);
|
||
|
void ClearStencil(uint8_t value);
|
||
|
void Draw(int index, int vcount, PolyDrawMode mode = PolyDrawMode::Triangles);
|
||
|
void DrawIndexed(int index, int count, PolyDrawMode mode = PolyDrawMode::Triangles);
|
||
|
void Submit();
|
||
|
|
||
|
private:
|
||
|
std::shared_ptr<DrawerCommandQueue> mQueue;
|
||
|
};
|
||
|
|
||
|
class PolyDepthStencil
|
||
|
{
|
||
|
public:
|
||
|
PolyDepthStencil(int width, int height) : width(width), height(height), depthbuffer(width * height), stencilbuffer(width * height) { }
|
||
|
|
||
|
int Width() const { return width; }
|
||
|
int Height() const { return height; }
|
||
|
float *DepthValues() { return depthbuffer.data(); }
|
||
|
uint8_t *StencilValues() { return stencilbuffer.data(); }
|
||
|
|
||
|
private:
|
||
|
int width;
|
||
|
int height;
|
||
|
std::vector<float> depthbuffer;
|
||
|
std::vector<uint8_t> stencilbuffer;
|
||
|
};
|
||
|
|
||
|
struct PolyPushConstants
|
||
|
{
|
||
|
int uTextureMode;
|
||
|
float uAlphaThreshold;
|
||
|
FVector2 uClipSplit;
|
||
|
|
||
|
// Lighting + Fog
|
||
|
float uLightLevel;
|
||
|
float uFogDensity;
|
||
|
float uLightFactor;
|
||
|
float uLightDist;
|
||
|
int uFogEnabled;
|
||
|
|
||
|
// dynamic lights
|
||
|
int uLightIndex;
|
||
|
};
|
||
|
|
||
|
class PolyInputAssembly
|
||
|
{
|
||
|
public:
|
||
|
virtual void Load(PolyTriangleThreadData *thread, const void *vertices, int index) = 0;
|
||
|
};
|