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Because attempting to compile the new voxel texture shader causes my system

Browse source 
(Ubuntu LTS, Intel graphics) to hang, change it to compile lazily when
activated.
This commit is contained in:
Andrzej Kapolka 2014-07-07 11:22:17 -07:00
parent b7b46b0a3b
commit 21ba9bf410
2 changed files with 20 additions and 12 deletions
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30
interface/src/voxels/VoxelSystem.cpp
View file

@ -499,17 +499,7 @@ void VoxelSystem::initVoxelMemory() {
_memoryUsageRAM += (sizeof(GLubyte) * vertexPointsPerVoxel * _maxVoxels);
// create our simple fragment shader if we're the first system to init
if (!_perlinModulateProgram.isLinked()) {
_perlinModulateProgram.addShaderFromSourceFile(QGLShader::Vertex, Application::resourcesPath()
+ "shaders/perlin_modulate.vert");
_perlinModulateProgram.addShaderFromSourceFile(QGLShader::Fragment, Application::resourcesPath()
+ "shaders/perlin_modulate.frag");
_perlinModulateProgram.link();
_perlinModulateProgram.bind();
_perlinModulateProgram.setUniformValue("permutationNormalTexture", 0);
_perlinModulateProgram.release();
if (!_shadowMapProgram.isLinked()) {
_shadowMapProgram.addShaderFromSourceFile(QGLShader::Vertex,
Application::resourcesPath() + "shaders/shadow_map.vert");
_shadowMapProgram.addShaderFromSourceFile(QGLShader::Fragment,
@ -1509,7 +1499,7 @@ void VoxelSystem::applyScaleAndBindProgram(bool texture) {
glBindTexture(GL_TEXTURE_2D, Application::getInstance()->getTextureCache()->getShadowDepthTextureID());
} else if (texture) {
_perlinModulateProgram.bind();
bindPerlinModulateProgram();
glBindTexture(GL_TEXTURE_2D, Application::getInstance()->getTextureCache()->getPermutationNormalTextureID());
}
@ -2159,6 +2149,22 @@ unsigned long VoxelSystem::getVoxelMemoryUsageGPU() {
return (_initialMemoryUsageGPU - currentFreeMemory);
}
void VoxelSystem::bindPerlinModulateProgram() {
if (!_perlinModulateProgram.isLinked()) {
_perlinModulateProgram.addShaderFromSourceFile(QGLShader::Vertex,
Application::resourcesPath() + "shaders/perlin_modulate.vert");
_perlinModulateProgram.addShaderFromSourceFile(QGLShader::Fragment,
Application::resourcesPath() + "shaders/perlin_modulate.frag");
_perlinModulateProgram.link();
_perlinModulateProgram.bind();
_perlinModulateProgram.setUniformValue("permutationNormalTexture", 0);
} else {
_perlinModulateProgram.bind();
}
}
// Swizzle value of bit pairs of the value of index
unsigned short VoxelSystem::_sSwizzledOcclusionBits[64] = {
0x0000, // 00000000

2
interface/src/voxels/VoxelSystem.h
View file

@ -236,6 +236,8 @@ private:
static ProgramObject _cascadedShadowMapProgram;
static int _shadowDistancesLocation;
static void bindPerlinModulateProgram();
int _hookID;
std::vector<glBufferIndex> _freeIndexes;
QMutex _freeIndexLock;