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Fix for ambient occlusion in 3DTV mode.

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This commit is contained in:
Andrzej Kapolka 2014-11-03 17:36:10 -08:00
parent 38a04b53d2
commit e76a8c2234
2 changed files with 5 additions and 16 deletions
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12
interface/resources/shaders/ambient_occlusion.frag
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@ -14,9 +14,6 @@
// the depth texture
uniform sampler2D depthTexture;
// the normal texture
uniform sampler2D normalTexture;
// the random rotation texture
uniform sampler2D rotationTexture;
@ -60,11 +57,10 @@ vec3 texCoordToViewSpace(vec2 texCoord) {
}
void main(void) {
vec3 rotationZ = texture2D(normalTexture, gl_TexCoord[0].st).xyz * 2.0 - vec3(1.0, 1.0, 1.0);
vec3 rotationY = normalize(cross(rotationZ, texture2D(rotationTexture,
gl_TexCoord[0].st * noiseScale).xyz - vec3(0.5, 0.5, 0.5)));
mat3 rotation = mat3(cross(rotationY, rotationZ), rotationY, rotationZ);
vec3 rotationX = texture2D(rotationTexture, gl_TexCoord[0].st * noiseScale).rgb;
vec3 rotationY = normalize(cross(rotationX, vec3(0.0, 0.0, 1.0)));
mat3 rotation = mat3(rotationX, rotationY, cross(rotationX, rotationY));
vec3 center = texCoordToViewSpace(gl_TexCoord[0].st);
vec2 rdenominator = 1.0 / (rightTop - leftBottom);

9
interface/src/renderer/AmbientOcclusionEffect.cpp
View file

@ -51,8 +51,7 @@ void AmbientOcclusionEffect::init() {
_occlusionProgram->bind();
_occlusionProgram->setUniformValue("depthTexture", 0);
_occlusionProgram->setUniformValue("normalTexture", 1);
_occlusionProgram->setUniformValue("rotationTexture", 2);
_occlusionProgram->setUniformValue("rotationTexture", 1);
_occlusionProgram->setUniformValueArray("sampleKernel", sampleKernel, SAMPLE_KERNEL_SIZE);
_occlusionProgram->setUniformValue("radius", 0.1f);
_occlusionProgram->release();
@ -102,9 +101,6 @@ void AmbientOcclusionEffect::render() {
glBindTexture(GL_TEXTURE_2D, Application::getInstance()->getTextureCache()->getPrimaryDepthTextureID());
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, Application::getInstance()->getTextureCache()->getPrimaryNormalTextureID());
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, _rotationTextureID);
// render with the occlusion shader to the secondary/tertiary buffer
@ -142,9 +138,6 @@ void AmbientOcclusionEffect::render() {
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
// now render secondary to primary with 4x4 blur