Add the shader files.

This commit is contained in:
yunfeibai
2018-02-12 18:19:05 -08:00
parent 2947cd54ce
commit 7dbc5626fb
4 changed files with 322 additions and 0 deletions

View File

@@ -0,0 +1,72 @@
#version 330 core
//precision highp float;
in Fragment
{
vec4 color;
} fragment;
in Vert
{
vec2 texcoord;
} vert;
uniform sampler2D Diffuse;
uniform mat4 ViewMatrixInverse;
in vec3 lightPos,cameraPosition, normal,ambient;
in vec4 vertexPos;
in float materialShininess;
in vec3 lightSpecularIntensity;
in vec3 materialSpecularColor;
out vec4 color;
void main(void)
{
vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);
vec3 ct,cf;
float intensity,at,af;
if (fragment.color.w==0)
discard;
vec3 lightDir = normalize(lightPos);
vec3 normalDir = normalize(normal);
intensity = 0.5+0.5*clamp( dot( normalDir,lightDir ), -1,1 );
af = 1.0;
ct = texel.rgb;
at = texel.a;
//float bias = 0.005f;
vec3 specularReflection;
if (dot(normalDir, lightDir) < 0.0)
{
specularReflection = vec3(0.0, 0.0, 0.0);
}
else // light source on the right side
{
vec3 surfaceToLight = normalize(lightPos - vertexPos.xyz);
vec3 surfaceToCamera = normalize(cameraPosition - vertexPos.xyz);
float specularCoefficient = 0.0;
specularCoefficient = pow(max(0.0, dot(surfaceToCamera, reflect(-surfaceToLight, normalDir))), materialShininess);
specularReflection = specularCoefficient * materialSpecularColor * lightSpecularIntensity;
}
float visibility = 1.0;
intensity = 0.7*intensity + 0.3*intensity*visibility;
cf = intensity*(vec3(1.0,1.0,1.0)-ambient)+ambient+specularReflection*visibility;
color = vec4(ct * cf, fragment.color.w);
}

View File

@@ -0,0 +1,65 @@
//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project
static const char* projectiveTextureInstancingFragmentShader= \
"#version 330 core\n"
"//precision highp float;\n"
"in Fragment\n"
"{\n"
" vec4 color;\n"
"} fragment;\n"
"in Vert\n"
"{\n"
" vec2 texcoord;\n"
"} vert;\n"
"uniform sampler2D Diffuse;\n"
"uniform mat4 ViewMatrixInverse;\n"
"in vec3 lightPos,cameraPosition, normal,ambient;\n"
"in vec4 vertexPos;\n"
"in float materialShininess;\n"
"in vec3 lightSpecularIntensity;\n"
"in vec3 materialSpecularColor;\n"
"out vec4 color;\n"
"void main(void)\n"
"{\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);\n"
" vec3 ct,cf;\n"
" float intensity,at,af;\n"
" if (fragment.color.w==0)\n"
" discard;\n"
" vec3 lightDir = normalize(lightPos);\n"
" \n"
" vec3 normalDir = normalize(normal);\n"
" \n"
" intensity = 0.5+0.5*clamp( dot( normalDir,lightDir ), -1,1 );\n"
" \n"
" af = 1.0;\n"
" \n"
" ct = texel.rgb;\n"
" at = texel.a;\n"
" \n"
" //float bias = 0.005f;\n"
" \n"
" vec3 specularReflection;\n"
" \n"
" if (dot(normalDir, lightDir) < 0.0) \n"
" {\n"
" specularReflection = vec3(0.0, 0.0, 0.0);\n"
" }\n"
" else // light source on the right side\n"
" {\n"
" vec3 surfaceToLight = normalize(lightPos - vertexPos.xyz);\n"
" vec3 surfaceToCamera = normalize(cameraPosition - vertexPos.xyz);\n"
" \n"
" \n"
" float specularCoefficient = 0.0;\n"
" specularCoefficient = pow(max(0.0, dot(surfaceToCamera, reflect(-surfaceToLight, normalDir))), materialShininess);\n"
" specularReflection = specularCoefficient * materialSpecularColor * lightSpecularIntensity;\n"
" \n"
" }\n"
" \n"
" float visibility = 1.0;\n"
" intensity = 0.7*intensity + 0.3*intensity*visibility;\n"
" \n"
" cf = intensity*(vec3(1.0,1.0,1.0)-ambient)+ambient+specularReflection*visibility;\n"
" color = vec4(ct * cf, fragment.color.w);\n"
"}\n"
;

View File

@@ -0,0 +1,99 @@
#version 330
precision highp float;
layout (location = 0) in vec4 position;
layout (location = 1) in vec4 instance_position;
layout (location = 2) in vec4 instance_quaternion;
layout (location = 3) in vec2 uvcoords;
layout (location = 4) in vec3 vertexnormal;
layout (location = 5) in vec4 instance_color;
layout (location = 6) in vec3 instance_scale;
uniform mat4 DepthBiasModelViewProjectionMatrix;
uniform mat4 MVP;
uniform vec3 lightPosIn;
uniform vec3 cameraPositionIn;
uniform mat4 ViewMatrixInverse;
uniform float materialShininessIn;
uniform vec3 lightSpecularIntensityIn;
uniform vec3 materialSpecularColorIn;
out vec4 ShadowCoord;
out Fragment
{
vec4 color;
} fragment;
out Vert
{
vec2 texcoord;
} vert;
vec4 quatMul ( in vec4 q1, in vec4 q2 )
{
vec3 im = q1.w * q2.xyz + q1.xyz * q2.w + cross ( q1.xyz, q2.xyz );
vec4 dt = q1 * q2;
float re = dot ( dt, vec4 ( -1.0, -1.0, -1.0, 1.0 ) );
return vec4 ( im, re );
}
vec4 quatFromAxisAngle(vec4 axis, in float angle)
{
float cah = cos(angle*0.5);
float sah = sin(angle*0.5);
float d = inversesqrt(dot(axis,axis));
vec4 q = vec4(axis.x*sah*d,axis.y*sah*d,axis.z*sah*d,cah);
return q;
}
//
// vector rotation via quaternion
//
vec4 quatRotate3 ( in vec3 p, in vec4 q )
{
vec4 temp = quatMul ( q, vec4 ( p, 0.0 ) );
return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );
}
vec4 quatRotate ( in vec4 p, in vec4 q )
{
vec4 temp = quatMul ( q, p );
return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );
}
out vec3 lightPos,normal,ambient;
out vec4 vertexPos;
out vec3 cameraPosition;
out float materialShininess;
out vec3 lightSpecularIntensity;
out vec3 materialSpecularColor;
void main(void)
{
vec4 q = instance_quaternion;
ambient = vec3(0.5,.5,0.5);
vec4 worldNormal = (quatRotate3( vertexnormal,q));
normal = worldNormal.xyz;
lightPos = lightPosIn;
cameraPosition = cameraPositionIn;
materialShininess = materialShininessIn;
lightSpecularIntensity = lightSpecularIntensityIn;
materialSpecularColor = materialSpecularColorIn;
vec4 localcoord = quatRotate3( position.xyz*instance_scale,q);
vertexPos = vec4((instance_position+localcoord).xyz,1);
vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);
gl_Position = vertexLoc;
fragment.color = instance_color;
vec4 projcoords = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);
vert.texcoord = projcoords.xy;
}

View File

@@ -0,0 +1,86 @@
//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project
static const char* projectiveTextureInstancingVertexShader= \
"#version 330 \n"
"precision highp float;\n"
"layout (location = 0) in vec4 position;\n"
"layout (location = 1) in vec4 instance_position;\n"
"layout (location = 2) in vec4 instance_quaternion;\n"
"layout (location = 3) in vec2 uvcoords;\n"
"layout (location = 4) in vec3 vertexnormal;\n"
"layout (location = 5) in vec4 instance_color;\n"
"layout (location = 6) in vec3 instance_scale;\n"
"uniform mat4 DepthBiasModelViewProjectionMatrix;\n"
"uniform mat4 MVP;\n"
"uniform vec3 lightPosIn;\n"
"uniform vec3 cameraPositionIn;\n"
"uniform mat4 ViewMatrixInverse;\n"
"uniform float materialShininessIn;\n"
"uniform vec3 lightSpecularIntensityIn;\n"
"uniform vec3 materialSpecularColorIn;\n"
"out vec4 ShadowCoord;\n"
"out Fragment\n"
"{\n"
" vec4 color;\n"
"} fragment;\n"
"out Vert\n"
"{\n"
" vec2 texcoord;\n"
"} vert;\n"
"vec4 quatMul ( in vec4 q1, in vec4 q2 )\n"
"{\n"
" vec3 im = q1.w * q2.xyz + q1.xyz * q2.w + cross ( q1.xyz, q2.xyz );\n"
" vec4 dt = q1 * q2;\n"
" float re = dot ( dt, vec4 ( -1.0, -1.0, -1.0, 1.0 ) );\n"
" return vec4 ( im, re );\n"
"}\n"
"vec4 quatFromAxisAngle(vec4 axis, in float angle)\n"
"{\n"
" float cah = cos(angle*0.5);\n"
" float sah = sin(angle*0.5);\n"
" float d = inversesqrt(dot(axis,axis));\n"
" vec4 q = vec4(axis.x*sah*d,axis.y*sah*d,axis.z*sah*d,cah);\n"
" return q;\n"
"}\n"
"//\n"
"// vector rotation via quaternion\n"
"//\n"
"vec4 quatRotate3 ( in vec3 p, in vec4 q )\n"
"{\n"
" vec4 temp = quatMul ( q, vec4 ( p, 0.0 ) );\n"
" return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );\n"
"}\n"
"vec4 quatRotate ( in vec4 p, in vec4 q )\n"
"{\n"
" vec4 temp = quatMul ( q, p );\n"
" return quatMul ( temp, vec4 ( -q.x, -q.y, -q.z, q.w ) );\n"
"}\n"
"out vec3 lightPos,normal,ambient;\n"
"out vec4 vertexPos;\n"
"out vec3 cameraPosition;\n"
"out float materialShininess;\n"
"out vec3 lightSpecularIntensity;\n"
"out vec3 materialSpecularColor;\n"
"void main(void)\n"
"{\n"
" vec4 q = instance_quaternion;\n"
" ambient = vec3(0.5,.5,0.5);\n"
" \n"
" vec4 worldNormal = (quatRotate3( vertexnormal,q));\n"
" \n"
" normal = worldNormal.xyz;\n"
" lightPos = lightPosIn;\n"
" cameraPosition = cameraPositionIn;\n"
" materialShininess = materialShininessIn;\n"
" lightSpecularIntensity = lightSpecularIntensityIn;\n"
" materialSpecularColor = materialSpecularColorIn;\n"
" \n"
" vec4 localcoord = quatRotate3( position.xyz*instance_scale,q);\n"
" vertexPos = vec4((instance_position+localcoord).xyz,1);\n"
" \n"
" vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);\n"
" gl_Position = vertexLoc;\n"
" fragment.color = instance_color;\n"
" vec4 projcoords = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);\n"
" vert.texcoord = projcoords.xy;\n"
"}\n"
;