mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
#include "gfxGLTextureArray.h"
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#include "gfxGLTextureObject.h"
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#include "gfxGLUtils.h"
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#include "core/util/tVector.h"
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GFXGLTextureArray::GFXGLTextureArray()
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{
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mTextureArray = NULL;
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}
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void GFXGLTextureArray::init()
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{
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PRESERVE_2D_TEXTURE_ARRAY();
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glGenTextures(1, &mTextureArray);
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glBindTexture(GL_TEXTURE_2D_ARRAY, mTextureArray);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, mMin(mMipLevels - 1, 1));
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexStorage3D(GL_TEXTURE_2D_ARRAY, mMipLevels, GFXGLTextureInternalFormat[mFormat], mWidth, mHeight, mArraySize);
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}
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void GFXGLTextureArray::_setTexture(const GFXTexHandle& texture, U32 slot)
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{
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PRESERVE_2D_TEXTURE_ARRAY();
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glBindTexture(GL_TEXTURE_2D_ARRAY, mTextureArray);
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GFXGLTextureObject* texObj = dynamic_cast<GFXGLTextureObject*>(texture.getPointer());
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for (U32 mip = 0; mip < mMipLevels; ++mip)
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{
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U8* buf = texObj->getTextureData(mip);
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const U32 mipWidth = getMax(U32(1), mWidth >> mip);
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const U32 mipHeight = getMax(U32(1), mHeight >> mip);
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if (mIsCompressed)
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{
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glCompressedTexSubImage3D(
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GL_TEXTURE_2D_ARRAY,
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mip, 0, 0,
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slot, mipWidth, mipHeight, 1,
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GFXGLTextureFormat[mFormat], GFXGLTextureType[mFormat], buf
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);
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}
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else
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{
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glTexSubImage3D(
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GL_TEXTURE_2D_ARRAY,
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mip, 0, 0,
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slot, mipWidth, mipHeight, 1,
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GFXGLTextureFormat[mFormat], GFXGLTextureType[mFormat], buf
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);
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}
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delete[] buf;
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}
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}
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void GFXGLTextureArray::setToTexUnit(U32 tuNum)
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{
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dynamic_cast<GFXGLDevice*>(getOwningDevice())->setTextureArrayInternal(tuNum, this);
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}
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void GFXGLTextureArray::Release()
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{
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glDeleteTextures(1, &mTextureArray);
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mTextureArray = 0;
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GFXTextureArray::Release();
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}
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void GFXGLTextureArray::bind(U32 textureUnit) const
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{
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glActiveTexture(GL_TEXTURE0 + textureUnit);
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glBindTexture(GL_TEXTURE_2D_ARRAY, mTextureArray);
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dynamic_cast<GFXGLDevice*>(getOwningDevice())->getOpenglCache()->setCacheBindedTex(textureUnit, GL_TEXTURE_2D_ARRAY, mTextureArray);
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GFXGLStateBlockRef sb = dynamic_cast<GFXGLDevice*>(GFX)->getCurrentStateBlock();
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AssertFatal(sb, "GFXGLTextureArray::bind - No active stateblock!");
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if (!sb)
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return;
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const GFXSamplerStateDesc& ssd = sb->getDesc().samplers[textureUnit];
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, minificationFilter(ssd.minFilter, ssd.mipFilter, 0));
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GFXGLTextureFilter[ssd.magFilter]);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, mMin(mMipLevels - 1, 1));
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GFXGLTextureAddress[ssd.addressModeU]);
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glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GFXGLTextureAddress[ssd.addressModeV]);
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}
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void GFXGLTextureArray::zombify()
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{
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}
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void GFXGLTextureArray::resurrect()
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{
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}
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