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

Update the projective texture shader to solve the texture interpolation artifact.

Browse Source
This commit is contained in:
YunfeiBai
2018-04-09 17:15:42 -07:00
parent 6b97e1e604
commit b032a1fd60
5 changed files with 9 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
examples/OpenGLWindow/Shaders/projectiveTextureInstancingPS.glsl
View File

@@ -6,13 +6,9 @@ in Fragment
vec4 color;
} fragment;
in Vert
{
vec2 texcoord;
} vert;
uniform sampler2D Diffuse;
uniform mat4 ViewMatrixInverse;
uniform mat4 TextureMVP;
in vec3 lightPos,cameraPosition, normal,ambient;
in vec4 vertexPos;
@@ -23,10 +19,11 @@ in vec3 materialSpecularColor;
out vec4 color;
void main(void)
{
vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);
vec4 projcoords = TextureMVP * vertexPos;
vec2 texturecoords = projcoords.xy/max(projcoords.z,0.1);
vec4 texel = fragment.color*texture(Diffuse,texturecoords);
vec3 ct,cf;
float intensity,at,af;
if (fragment.color.w==0)

9
examples/OpenGLWindow/Shaders/projectiveTextureInstancingPS.h
View File

@@ -6,12 +6,9 @@ static const char* projectiveTextureInstancingFragmentShader= \
"{\n"
" vec4 color;\n"
"} fragment;\n"
"in Vert\n"
"{\n"
" vec2 texcoord;\n"
"} vert;\n"
"uniform sampler2D Diffuse;\n"
"uniform mat4 ViewMatrixInverse;\n"
"uniform mat4 TextureMVP;\n"
"in vec3 lightPos,cameraPosition, normal,ambient;\n"
"in vec4 vertexPos;\n"
"in float materialShininess;\n"
@@ -20,7 +17,9 @@ static const char* projectiveTextureInstancingFragmentShader= \
"out vec4 color;\n"
"void main(void)\n"
"{\n"
" vec4 texel = fragment.color*texture(Diffuse,vert.texcoord.xy);\n"
" vec4 projcoords = TextureMVP * vertexPos;\n"
" vec2 texturecoords = projcoords.xy/max(projcoords.z,0.1);\n"
" vec4 texel = fragment.color*texture(Diffuse,texturecoords);\n"
" vec3 ct,cf;\n"
" float intensity,at,af;\n"
" if (fragment.color.w==0)\n"

2
examples/OpenGLWindow/Shaders/projectiveTextureInstancingVS.glsl
View File

@@ -93,7 +93,5 @@ void main(void)
gl_Position = vertexLoc;
fragment.color = instance_color;
vec4 projcoords = TextureMVP * vec4((instance_position+localcoord).xyz,1);
vert.texcoord = projcoords.xy/projcoords.z;
}

2
examples/OpenGLWindow/Shaders/projectiveTextureInstancingVS.h
View File

@@ -80,7 +80,5 @@ static const char* projectiveTextureInstancingVertexShader= \
" vec4 vertexLoc = MVP* vec4((instance_position+localcoord).xyz,1);\n"
" gl_Position = vertexLoc;\n"
" fragment.color = instance_color;\n"
" vec4 projcoords = TextureMVP * vec4((instance_position+localcoord).xyz,1);\n"
" vert.texcoord = projcoords.xy/projcoords.z;\n"
"}\n"
;