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Add support for disabling incremental texture transfers

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Conflicts:
	libraries/gpu-gl/src/gpu/gl45/GL45BackendTexture.cpp
This commit is contained in:
Brad Davis 2016-09-27 17:36:49 -07:00
parent 9ab1830c98
commit 31fb395c27
1 changed files with 48 additions and 2 deletions
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50
libraries/gpu-gl/src/gpu/gl45/GL45BackendTexture.cpp
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@ -26,10 +26,31 @@ using namespace gpu::gl;
using namespace gpu::gl45;
#ifdef Q_OS_WIN
static const QString DEBUG_FLAG("HIFI_DISABLE_SPARSE_TEXTURES");
static bool enableSparseTextures = !QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG);
#define MIN_CORES_FOR_INCREMENTAL_TEXTURES 5
static const QString DEBUG_FLAG_INCREMENTAL("HIFI_DISABLE_INCREMENTAL_TEXTURES");
static const QString DEBUG_FLAG_SPARSE("HIFI_DISABLE_SPARSE_TEXTURES");
static const bool enableIncrementalTextures = (QThread::idealThreadCount() >= MIN_CORES_FOR_INCREMENTAL_TEXTURES) &&
!QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG_INCREMENTAL);
static const bool enableSparseTextures = enableIncrementalTextures &&
!QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG_SPARSE);
class TextureTransferDebug {
public:
TextureTransferDebug() {
qDebug() << "[TEXTURE TRANSFER SUPPORT]"
<< "\n\tHIFI_DISABLE_INCREMENTAL_TEXTURES:" << QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG_INCREMENTAL)
<< "\n\tHIFI_DISABLE_SPARSE_TEXTURES:" << QProcessEnvironment::systemEnvironment().contains(DEBUG_FLAG_SPARSE)
<< "\n\tidealThreadCount:" << QThread::idealThreadCount()
<< "\n\tenableSparseTextures:" << enableSparseTextures
<< "\n\tenableIncrementalTextures:" << enableSparseTextures;
}
};
TextureTransferDebug sparseTextureDebugInfo;
#else
static bool enableSparseTextures = false;
static bool enableIncrementalTextures = false;
#endif
// Allocate 1 MB of buffer space for paged transfers
@ -352,6 +373,31 @@ void GL45Texture::startTransfer() {
}
bool GL45Texture::continueTransfer() {
if (!enableIncrementalTextures) {
size_t maxFace = GL_TEXTURE_CUBE_MAP == _target ? CUBE_NUM_FACES : 1;
for (uint8_t face = 0; face < maxFace; ++face) {
for (uint16_t mipLevel = _minMip; mipLevel <= _maxMip; ++mipLevel) {
if (_gpuObject.isStoredMipFaceAvailable(mipLevel, face)) {
auto mip = _gpuObject.accessStoredMipFace(mipLevel, face);
GLTexelFormat texelFormat = GLTexelFormat::evalGLTexelFormat(_gpuObject.getTexelFormat(), mip->getFormat());
auto size = _gpuObject.evalMipDimensions(mipLevel);
if (GL_TEXTURE_2D == _target) {
glTextureSubImage2D(_id, mipLevel, 0, 0, size.x, size.y, texelFormat.format, texelFormat.type, mip->readData());
} else if (GL_TEXTURE_CUBE_MAP == _target) {
// DSA ARB does not work on AMD, so use EXT
// glTextureSubImage3D(_id, mipLevel, 0, 0, face, size.x, size.y, 1, texelFormat.format, texelFormat.type, mip->readData());
auto target = CUBE_FACE_LAYOUT[face];
glTextureSubImage2DEXT(_id, target, mipLevel, 0, 0, size.x, size.y, texelFormat.format, texelFormat.type, mip->readData());
} else {
Q_ASSERT(false);
}
(void)CHECK_GL_ERROR();
}
}
}
return false;
}
static std::vector<uint8_t> buffer;
if (buffer.empty()) {
buffer.resize(DEFAULT_PAGE_BUFFER_SIZE);