public virtual ShaderProgram getShaderProgram(ShaderContext shaderContext, bool hasGeometryShader)
{
ShaderProgramKey key = ShaderProgram.getKey(shaderContext, hasGeometryShader);
ShaderProgram shaderProgram = shaderPrograms[key];
if (shaderProgram == null)
{
shaderProgram = new ShaderProgram(shaderContext, hasGeometryShader);
shaderPrograms[key] = shaderProgram;
}
return shaderProgram;
}
public ShaderProgram(ShaderContext shaderContext, bool hasGeometryShader)
{
this.hasGeometryShader = hasGeometryShader;
for (int i = 0; i < lightType.Length; i++)
{
lightType[i] = shaderContext.getLightType(i);
lightKind[i] = shaderContext.getLightKind(i);
lightEnabled[i] = shaderContext.getLightEnabled(i);
}
matFlags[0] = shaderContext.getMatFlags(0);
matFlags[1] = shaderContext.getMatFlags(1);
matFlags[2] = shaderContext.getMatFlags(2);
texShade[0] = shaderContext.getTexShade(0);
texShade[1] = shaderContext.getTexShade(1);
texEnvMode[0] = shaderContext.getTexEnvMode(0);
texEnvMode[1] = shaderContext.getTexEnvMode(1);
ctestFunc = shaderContext.CtestFunc;
texMapMode = shaderContext.TexMapMode;
texMapProj = shaderContext.TexMapProj;
vinfoColor = shaderContext.VinfoColor;
vinfoPosition = shaderContext.VinfoPosition;
vinfoTexture = shaderContext.VinfoTexture;
vinfoNormal = shaderContext.VinfoNormal;
colorDoubling = shaderContext.ColorDoubling;
texEnable = shaderContext.TexEnable;
lightingEnable = shaderContext.LightingEnable;
vinfoTransform2D = shaderContext.VinfoTransform2D;
ctestEnable = shaderContext.CtestEnable;
lightMode = shaderContext.LightMode;
texPixelFormat = shaderContext.TexPixelFormat;
numberBones = shaderContext.NumberBones;
clutIndexHint = shaderContext.ClutIndexHint;
alphaTestEnable = shaderContext.AlphaTestEnable;
alphaTestFunc = shaderContext.AlphaTestFunc;
stencilTestEnable = shaderContext.StencilTestEnable;
stencilFunc = shaderContext.StencilFunc;
stencilOpFail = shaderContext.StencilOpFail;
stencilOpZFail = shaderContext.StencilOpZFail;
stencilOpZPass = shaderContext.StencilOpZPass;
depthTestEnable = shaderContext.DepthTestEnable;
depthFunc = shaderContext.DepthFunc;
blendTestEnable = shaderContext.BlendTestEnable;
blendEquation = shaderContext.BlendEquation;
blendSrc = shaderContext.BlendSrc;
blendDst = shaderContext.BlendDst;
colorMaskEnable = shaderContext.ColorMaskEnable;
copyRedToAlpha = shaderContext.CopyRedToAlpha;
fogEnable = shaderContext.FogEnable;
key = getKey(shaderContext, hasGeometryShader);
}
public virtual bool Equals(ShaderProgramKey that)
{
return(key1 == that.key1 && key2 == that.key2);
}
public virtual bool matches(ShaderContext shaderContext, bool hasGeometryShader)
{
ShaderProgramKey key = getKey(shaderContext, hasGeometryShader);
return(key.Equals(this.key));
}
public static ShaderProgramKey getKey(ShaderContext shaderContext, bool hasGeometryShader)
{
long key = 0;
long key1;
long key2;
int shift = 0;
key += hasGeometryShader ? 1 : 0;
shift++;
for (int i = 0; i < VideoEngine.NUM_LIGHTS; i++)
{
// LightType and LightKind are currently not used as defines in the shaders
//key += shaderContext.getLightType(i) << shift;
//shift += 2;
//key += shaderContext.getLightKind(i) << shift;
//shift += 2;
key += shaderContext.getLightEnabled(i) << shift;
shift++;
}
key += ((long)shaderContext.getMatFlags(0)) << shift;
shift++;
key += ((long)shaderContext.getMatFlags(1)) << shift;
shift++;
key += ((long)shaderContext.getMatFlags(2)) << shift;
shift++;
key += ((long)shaderContext.getTexShade(0)) << shift;
shift += 2;
key += ((long)shaderContext.getTexShade(1)) << shift;
shift += 2;
key += ((long)shaderContext.getTexEnvMode(0)) << shift;
shift += 3;
key += ((long)shaderContext.getTexEnvMode(1)) << shift;
shift++;
key += ((long)shaderContext.CtestFunc) << shift;
shift += 2;
key += ((long)shaderContext.TexMapMode) << shift;
shift += 2;
key += ((long)shaderContext.TexMapProj) << shift;
shift += 2;
key += ((long)shaderContext.VinfoColor) << shift;
shift += 4;
key += ((long)shaderContext.VinfoPosition) << shift;
shift += 2;
key += ((long)shaderContext.VinfoTexture) << shift;
shift += 2;
key += ((long)shaderContext.VinfoNormal) << shift;
shift += 2;
key += (shaderContext.ColorDoubling == 2.0f ? 1L : 0L) << shift;
shift++;
key += ((long)shaderContext.TexEnable) << shift;
shift++;
key += ((long)shaderContext.LightingEnable) << shift;
shift++;
key += ((long)shaderContext.VinfoTransform2D) << shift;
shift++;
key += ((long)shaderContext.CtestEnable) << shift;
shift++;
key += ((long)shaderContext.LightMode) << shift;
shift++;
key += ((long)shaderContext.TexPixelFormat) << shift;
shift += 4;
key += ((long)shaderContext.NumberBones) << shift;
shift += 4;
key += ((long)shaderContext.ClutIndexHint) << shift;
shift += 3;
key += ((long)shaderContext.AlphaTestEnable) << shift;
shift++;
key += ((long)shaderContext.AlphaTestFunc) << shift;
shift += 3;
key += ((long)shaderContext.StencilTestEnable) << shift;
shift++;
key += ((long)shaderContext.StencilFunc) << shift;
shift += 3;
key += ((long)shaderContext.StencilOpFail) << shift;
shift += 3;
key += ((long)shaderContext.StencilOpZFail) << shift;
shift += 3;
if (shift > (sizeof(long) * 8))
{
VideoEngine.log_Renamed.error(string.Format("ShaderProgram: too long key1: {0:D} bits", shift));
}
key1 = key;
key = 0;
shift = 0;
key += ((long)shaderContext.StencilOpZPass) << shift;
shift += 3;
key += ((long)shaderContext.DepthTestEnable) << shift;
shift += 3;
key += ((long)shaderContext.DepthFunc) << shift;
shift += 3;
key += ((long)shaderContext.BlendTestEnable) << shift;
shift++;
key += ((long)shaderContext.BlendEquation) << shift;
shift += 3;
key += ((long)shaderContext.BlendSrc) << shift;
shift += 4;
key += ((long)shaderContext.BlendDst) << shift;
shift += 4;
key += ((long)shaderContext.ColorMaskEnable) << shift;
shift++;
key += ((long)shaderContext.CopyRedToAlpha) << shift;
shift++;
key += ((long)shaderContext.FogEnable) << shift;
shift++;
if (shift > (sizeof(long) * 8))
{
VideoEngine.log_Renamed.error(string.Format("ShaderProgram: too long key2: {0:D} bits", shift));
}
key2 = key;
return(new ShaderProgramKey(key1, key2));
}
