Bart/bullet3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add shader for projective texture.

Browse Source
This commit is contained in:
yunfeibai
2018-02-11 21:29:02 -08:00
parent 08548e1ef0
commit 2947cd54ce
10 changed files with 85 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
examples/OpenGLWindow/Shaders/useShadowMapInstancingPS.glsl Normal file → Executable file
View File

@@ -12,9 +12,11 @@ in Vert
} vert;
uniform sampler2D Diffuse;
uniform sampler2DShadow shadowMap;
uniform mat4 ViewMatrixInverse;
in vec3 lightPos,cameraPosition, normal,ambient;
in vec4 ShadowCoord;
in vec4 vertexPos;
in float materialShininess;
in vec3 lightSpecularIntensity;
@@ -26,7 +28,7 @@ out vec4 color;
void main(void)
{
vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);
vec4 texel = fragment.color*texture(Diffuse,vert.texcoord);
vec3 ct,cf;
float intensity,at,af;
if (fragment.color.w==0)
@@ -63,7 +65,9 @@ void main(void)
}
float visibility = 1.0;
float visibility = texture(shadowMap, vec3(ShadowCoord.xy,(ShadowCoord.z)/ShadowCoord.w));
if (intensity<0.5)
visibility = 0;
intensity = 0.7*intensity + 0.3*intensity*visibility;

8
examples/OpenGLWindow/Shaders/useShadowMapInstancingPS.h Normal file → Executable file
View File

@@ -11,8 +11,10 @@ static const char* useShadowMapInstancingFragmentShader= \
" vec2 texcoord;\n"
"} vert;\n"
"uniform sampler2D Diffuse;\n"
"uniform sampler2DShadow shadowMap;\n"
"uniform mat4 ViewMatrixInverse;\n"
"in vec3 lightPos,cameraPosition, normal,ambient;\n"
"in vec4 ShadowCoord;\n"
"in vec4 vertexPos;\n"
"in float materialShininess;\n"
"in vec3 lightSpecularIntensity;\n"
@@ -20,7 +22,7 @@ static const char* useShadowMapInstancingFragmentShader= \
"out vec4 color;\n"
"void main(void)\n"
"{\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord);\n"
" vec3 ct,cf;\n"
" float intensity,at,af;\n"
" if (fragment.color.w==0)\n"
@@ -56,7 +58,9 @@ static const char* useShadowMapInstancingFragmentShader= \
" \n"
" }\n"
" \n"
" float visibility = 1.0;\n"
" float visibility = texture(shadowMap, vec3(ShadowCoord.xy,(ShadowCoord.z)/ShadowCoord.w));\n"
" if (intensity<0.5)\n"
" visibility = 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"

6
examples/OpenGLWindow/Shaders/useShadowMapInstancingVS.glsl Normal file → Executable file
View File

@@ -11,6 +11,8 @@ layout (location = 5) in vec4 instance_color;
layout (location = 6) in vec3 instance_scale;
uniform mat4 ModelViewMatrix;
uniform mat4 ProjectionMatrix;
uniform mat4 DepthBiasModelViewProjectionMatrix;
uniform mat4 MVP;
uniform vec3 lightPosIn;
@@ -91,9 +93,9 @@ void main(void)
vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);
gl_Position = vertexLoc;
ShadowCoord = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);
fragment.color = instance_color;
vec4 projcoords = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);
vert.texcoord = projcoords.xy;
vert.texcoord = uvcoords;
}

6
examples/OpenGLWindow/Shaders/useShadowMapInstancingVS.h Normal file → Executable file
View File

@@ -9,6 +9,8 @@ static const char* useShadowMapInstancingVertexShader= \
"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 ModelViewMatrix;\n"
"uniform mat4 ProjectionMatrix;\n"
"uniform mat4 DepthBiasModelViewProjectionMatrix;\n"
"uniform mat4 MVP;\n"
"uniform vec3 lightPosIn;\n"
@@ -79,8 +81,8 @@ static const char* useShadowMapInstancingVertexShader= \
" \n"
" vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);\n"
" gl_Position = vertexLoc;\n"
" ShadowCoord = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);\n"
" fragment.color = instance_color;\n"
" vec4 projcoords = DepthBiasModelViewProjectionMatrix * vec4((instance_position+localcoord).xyz,1);\n"
" vert.texcoord = projcoords.xy;\n"
" vert.texcoord = uvcoords;\n"
"}\n"
;