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Light Shader optimization

This commit is contained in:
songchengjiang 2014-08-26 14:18:22 +08:00
parent 3d59aaf86e
commit cf964d62de
4 changed files with 32 additions and 21 deletions
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12
cocos/renderer/CCGLProgram.cpp
View File

@ -133,7 +133,7 @@ GLProgram* GLProgram::createWithFilenames(const std::string& vShaderFilename, co
ret->updateUniforms();
ret->autorelease();
return ret;
}
}
CC_SAFE_DELETE(ret);
return nullptr;
@ -464,7 +464,7 @@ bool GLProgram::compileShader(GLuint * shader, GLenum type, const GLchar* source
const GLchar *sources[] = {
#if (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32 && CC_TARGET_PLATFORM != CC_PLATFORM_LINUX && CC_TARGET_PLATFORM != CC_PLATFORM_MAC)
(type == GL_VERTEX_SHADER ? "precision highp float;\n" : "precision mediump float;\n"),
(type == GL_VERTEX_SHADER ? "precision highp float;\n precision highp int;\n" : "precision mediump float;\n precision highp int;\n"),
#endif
def,
lightStruct,
@ -986,7 +986,8 @@ void GLProgram::setUniformsForBuiltins(const Mat4 &matrixMV)
{
CCASSERT(enabledDirLightNum < CC_MAX_DIRECTIONAL_LIGHT_NUM, "");
const Color3B &col = light->getDisplayedColor();
const Vec3 &dir = light->getWorldDirection();
Vec3 dir = light->getWorldDirection();
dir.normalize();
sprintf(str, "CC_DirLightSource[%d].%s", enabledDirLightNum, "color");
setUniformLocationWith3f(glGetUniformLocation(_program, str), col.r / 255.0f, col.g / 255.0f, col.b / 255.0f);
sprintf(str, "CC_DirLightSource[%d].%s", enabledDirLightNum, "direction");
@ -1009,7 +1010,8 @@ void GLProgram::setUniformsForBuiltins(const Mat4 &matrixMV)
{
CCASSERT(enabledSpotLightNum < CC_MAX_SPOT_LIGHT_NUM, "");
const Color3B &col = light->getDisplayedColor();
const Vec3 &dir = light->getWorldDirection();
Vec3 dir = light->getWorldDirection();
dir.normalize();
Mat4 mat= light->getNodeToWorldTransform();
sprintf(str, "CC_SpotLightSource[%d].%s", enabledSpotLightNum, "color");
setUniformLocationWith3f(glGetUniformLocation(_program, str), col.r / 255.0f, col.g / 255.0f, col.b / 255.0f);
@ -1018,7 +1020,7 @@ void GLProgram::setUniformsForBuiltins(const Mat4 &matrixMV)
sprintf(str, "CC_SpotLightSource[%d].%s", enabledSpotLightNum, "direction");
setUniformLocationWith3f(glGetUniformLocation(_program, str), dir.x, dir.y, dir.z);
sprintf(str, "CC_SpotLightSource[%d].%s", enabledSpotLightNum, "params");
setUniformLocationWith3f(glGetUniformLocation(_program, str), light->getInnerAngle(), light->getOuterAngle(), light->getRange());
setUniformLocationWith3f(glGetUniformLocation(_program, str), cosf(light->getInnerAngle()), cosf(light->getOuterAngle()), light->getRange());
++enabledSpotLightNum;
}
}

14
cocos/renderer/ccShader_3D_ColorNormal.frag
View File

@ -28,7 +28,7 @@ void PointLight(int n, vec4 ePosition, vec3 eNormal, inout vec4 intensity)
\n#if CC_MAX_DIRECTIONAL_LIGHT_NUM\n
void DirectionalLight(int n, vec3 eNormal, inout vec4 intensity)
{
intensity.xyz += CC_DirLightSource[n].color * max(0.0, dot(normalize(-CC_DirLightSource[n].direction), eNormal));
intensity.xyz += CC_DirLightSource[n].color * max(0.0, dot(-CC_DirLightSource[n].direction, eNormal));
intensity.w = 1.0;
}
\n#endif\n
@ -40,11 +40,11 @@ void SpotLight(int n, vec4 ePosition, vec3 eNormal, inout vec4 intensity)
{
vec3 lightDir = CC_SpotLightSource[n].position - ePosition.xyz;
lightDir = normalize(lightDir);
float spotDot = dot(lightDir, normalize(-CC_SpotLightSource[n].direction));
float innerCos = cos(CC_SpotLightSource[n].params.x);
float outerCos = cos(CC_SpotLightSource[n].params.y);
float spotDot = dot(normalize(lightDir), -CC_SpotLightSource[n].direction);
float innerCos = CC_SpotLightSource[n].params.x;
float outerCos = CC_SpotLightSource[n].params.y;
float factor = smoothstep(outerCos, innerCos, spotDot);
intensity.xyz += CC_SpotLightSource[n].color * max(0.0, dot(lightDir, eNormal)) * factor;
intensity.xyz += CC_SpotLightSource[n].color * max(0.0, dot(lightDir, eNormal)) * factor;
}
intensity.w = 1.0;
}
@ -52,8 +52,10 @@ void SpotLight(int n, vec4 ePosition, vec3 eNormal, inout vec4 intensity)
void main(void)
{
vec3 normal = normalize(eNormal);
vec4 intensity = vec4(0.0);
\n#if (CC_MAX_DIRECTIONAL_LIGHT_NUM || CC_MAX_POINT_LIGHT_NUM || CC_MAX_SPOT_LIGHT_NUM)\n
vec3 normal = normalize(eNormal);
\n#endif\n
\n#if CC_MAX_DIRECTIONAL_LIGHT_NUM\n

17
cocos/renderer/ccShader_3D_ColorNormalTex.frag
View File

@ -28,7 +28,7 @@ void PointLight(int n, vec4 ePosition, vec3 eNormal, inout vec4 intensity)
\n#if CC_MAX_DIRECTIONAL_LIGHT_NUM\n
void DirectionalLight(int n, vec3 eNormal, inout vec4 intensity)
{
intensity.xyz += CC_DirLightSource[n].color * max(0.0, dot(normalize(-CC_DirLightSource[n].direction), eNormal));
intensity.xyz += CC_DirLightSource[n].color * max(0.0, dot(-CC_DirLightSource[n].direction, eNormal));
intensity.w = 1.0;
}
\n#endif\n
@ -40,21 +40,22 @@ void SpotLight(int n, vec4 ePosition, vec3 eNormal, inout vec4 intensity)
{
vec3 lightDir = CC_SpotLightSource[n].position - ePosition.xyz;
lightDir = normalize(lightDir);
float spotDot = dot(normalize(lightDir), normalize(-CC_SpotLightSource[n].direction));
float innerCos = cos(CC_SpotLightSource[n].params.x);
float outerCos = cos(CC_SpotLightSource[n].params.y);
float spotDot = dot(normalize(lightDir), -CC_SpotLightSource[n].direction);
float innerCos = CC_SpotLightSource[n].params.x;
float outerCos = CC_SpotLightSource[n].params.y;
float factor = smoothstep(outerCos, innerCos, spotDot);
intensity.xyz += CC_SpotLightSource[n].color * max(0.0, dot(lightDir, eNormal)) * factor;
intensity.xyz += CC_SpotLightSource[n].color * max(0.0, dot(lightDir, eNormal)) * factor;
}
intensity.w = 1.0;
}
\n#endif\n
void main(void)
{
vec3 normal = normalize(eNormal);
{
vec4 intensity = vec4(0.0);
\n#if (CC_MAX_DIRECTIONAL_LIGHT_NUM || CC_MAX_POINT_LIGHT_NUM || CC_MAX_SPOT_LIGHT_NUM)\n
vec3 normal = normalize(eNormal);
\n#endif\n
\n#if CC_MAX_DIRECTIONAL_LIGHT_NUM\n

10
cocos/renderer/ccShader_3D_PositionNormalTex.vert
View File

@ -10,8 +10,10 @@ varying vec3 eNormal;
void main(void)
{
ePosition = CC_MVMatrix * a_position;
\n#if (CC_MAX_DIRECTIONAL_LIGHT_NUM || CC_MAX_POINT_LIGHT_NUM || CC_MAX_SPOT_LIGHT_NUM)\n
eNormal = CC_NormalMatrix * a_normal;
\n#endif\n
ePosition = CC_MVMatrix * a_position;
TextureCoordOut = a_texCoord;
TextureCoordOut.y = 1.0 - TextureCoordOut.y;
gl_Position = CC_PMatrix * ePosition;
@ -83,10 +85,12 @@ void getPositionAndNormal(out vec4 position, out vec3 normal)
position.z = dot(p, matrixPalette3);
position.w = p.w;
\n#if (CC_MAX_DIRECTIONAL_LIGHT_NUM || CC_MAX_POINT_LIGHT_NUM || CC_MAX_SPOT_LIGHT_NUM)\n
vec4 n = vec4(a_normal, 0.0);
normal.x = dot(n, matrixPalette1);
normal.y = dot(n, matrixPalette2);
normal.z = dot(n, matrixPalette3);
\n#endif\n
}
void main()
@ -95,8 +99,10 @@ void main()
vec3 normal;
getPositionAndNormal(position, normal);
ePosition = CC_MVMatrix * position;
\n#if (CC_MAX_DIRECTIONAL_LIGHT_NUM || CC_MAX_POINT_LIGHT_NUM || CC_MAX_SPOT_LIGHT_NUM)\n
eNormal = CC_NormalMatrix * normal;
\n#endif\n
ePosition = CC_MVMatrix * position;
TextureCoordOut = a_texCoord;
TextureCoordOut.y = 1.0 - TextureCoordOut.y;
gl_Position = CC_PMatrix * ePosition;