本文整理汇总了C++中Stamp::BindTexture方法的典型用法代码示例。如果您正苦于以下问题：C++ Stamp::BindTexture方法的具体用法？C++ Stamp::BindTexture怎么用？C++ Stamp::BindTexture使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Stamp的用法示例。
在下文中一共展示了Stamp::BindTexture方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mirror
//--------------------------------------------------------
// Used to apply deformations to the given heightmap
void
Deform::displace_heightmap(TexData texdata, vector2 clickPos, vector2 clickOffset, vector4 SIRM, bool isCoarse, string stampName, GLuint copySrcTex)
{
GLuint backupTex;
int currentViewport[4];
int dim;
int copyX, copyY;
int copyW, copyH;
float metre_scale;
matrix2 stampRot;
Stamp *stamp;
GLuint shaderID;
// Setup transforms
SIRM.x = 0.5f * SIRM.x; // scale in metres
stampRot = rotate_tr2(SIRM.z); // rotation
// Stamp controls
if (stampName.compare("") == 0)
stamp = GetStampMan()->GetCurrentStamp();
else
stamp = GetStampMan()->GetStamp(stampName);
shaderID = stamp->GetShaderID();
// Setup variables dependent on whether it is Coarse or High detail deformation
if (isCoarse)
{
dim = m_coarseDim;
metre_scale = m_metre_to_tex;
SIRM.x = SIRM.x * metre_scale;
// Scale because the coarsemap uses float textures which aren't normalized to [0, 1]
SIRM.y = SIRM.y * VERT_SCALE;
clickPos = (clickPos * metre_scale) + vector2(0.5f) + clickOffset;
backupTex = m_coarseBackup;
}
else
{
dim = m_highDim;
metre_scale = m_metre_to_detail_tex;
SIRM.x = SIRM.x * metre_scale;
clickPos = (clickPos * metre_scale) + clickOffset;
backupTex = m_highBackup;
}
// Calculate bounds of the render area as texel coordinates where X,Y in [0, dim-1]
copyW = (int)ceil(2.9f * SIRM.x * dim) ;
copyH = (int)ceil(2.9f * SIRM.x * dim);
copyX = max(0, (int)(dim * clickPos.x) - copyW / 2);
copyY = max(0, (int)(dim * clickPos.y) - copyH / 2);
// Make sure it's not out of bounds
copyW = copyX + copyW > dim-1 ? dim - copyX : copyW;
copyH = copyY + copyH > dim-1 ? dim - copyY : copyH;
////// PHASE 1: Copy To Backup
//////////////////////////////
// For HD textures, we need to copy the heightmap into a double buffer for it to read from
// For Coarsemap, we only need to do a copy the first time as it does not share the texture
if (!isCoarse || !m_initialised) {
// Setup the Read framebuffer
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_fbo_heightmap);
glReadBuffer(GL_COLOR_ATTACHMENT0);
// Set up textures and attachments for the copy
if (copySrcTex != 0){
// If we're writing to an HD for the first time, we need to fill it with the Zero tex
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
copySrcTex, 0);
glBindTexture(GL_TEXTURE_2D, texdata.heightmap);
// Use the Zero texture to read the current state from
backupTex = copySrcTex;
}
else {
// Otherwise copy the current state of the render region into the backup
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
texdata.heightmap, 0);
glBindTexture(GL_TEXTURE_2D, backupTex);
}
// Perform copy
if (isCoarse || copySrcTex != 0)
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, dim, dim);
else
//glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, dim, dim);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, copyX, copyY, copyX, copyY, copyW, copyH);
// Unbind FBO, texture and regenerate mipmap
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
// set that has been initialised
m_initialised |= isCoarse;
}
////// PHASE 2: Render to Texture
/////////////////////////////////
// First we set up the Framebuffer and it's viewport and bind our target attachment
//.........这里部分代码省略.........