X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=shaders%2Fblitblur.h;h=ac5f7847d4d2a4157f5a6505065112c15e3483b6;hb=b888cce683d95cc01d0b4be9bbe92a0dd47452ac;hp=0eca2cefa1d7278195cc2e3e6aa0d7297208887c;hpb=49f76c732d2c4ba2f7f772656831f1855521417c;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/shaders/blitblur.h b/shaders/blitblur.h
index 0eca2ce..ac5f784 100644
--- a/shaders/blitblur.h
+++ b/shaders/blitblur.h
@@ -12,10 +12,12 @@ static struct vg_shader _shader_blitblur = {
 "layout (location=0) in vec2 a_co;\n"
 "out vec2 aUv;\n"
 "\n"
+"uniform vec2 uInverseRatio;\n"
+"\n"
 "void main()\n"
 "{\n"
 "   gl_Position = vec4(a_co*2.0-1.0,0.0,1.0);\n"
-"   aUv = a_co;\n"
+"   aUv = a_co * uInverseRatio;\n"
 "}\n"
 ""},
    .fs = 
@@ -55,10 +57,14 @@ static struct vg_shader _shader_blitblur = {
 ""},
 };
 
+static GLuint _uniform_blitblur_uInverseRatio;
 static GLuint _uniform_blitblur_uTexMain;
 static GLuint _uniform_blitblur_uTexMotion;
 static GLuint _uniform_blitblur_uBlurStrength;
 static GLuint _uniform_blitblur_uOverrideDir;
+static void shader_blitblur_uInverseRatio(v2f v){
+   glUniform2fv(_uniform_blitblur_uInverseRatio,1,v);
+}
 static void shader_blitblur_uTexMain(int i){
    glUniform1i(_uniform_blitblur_uTexMain,i);
 }
@@ -76,6 +82,7 @@ static void shader_blitblur_register(void){
 }
 static void shader_blitblur_use(void){ glUseProgram(_shader_blitblur.id); }
 static void shader_blitblur_link(void){
+   _uniform_blitblur_uInverseRatio = glGetUniformLocation( _shader_blitblur.id, "uInverseRatio" );
    _uniform_blitblur_uTexMain = glGetUniformLocation( _shader_blitblur.id, "uTexMain" );
    _uniform_blitblur_uTexMotion = glGetUniformLocation( _shader_blitblur.id, "uTexMotion" );
    _uniform_blitblur_uBlurStrength = glGetUniformLocation( _shader_blitblur.id, "uBlurStrength" );