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Clear buffers between each batch render

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This commit is contained in:
Atlante45 2016-01-14 16:08:06 -08:00
parent 6ff38bc32f
commit eb55e55367
3 changed files with 8 additions and 6 deletions
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4
libraries/gpu/src/gpu/GLBackend.cpp
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@ -161,6 +161,8 @@ void GLBackend::renderPassTransfer(Batch& batch) {
_transform._cameras.clear();
_transform._cameraOffsets.clear();
_transform._objects.clear();
_drawCallInfos.clear();
_namedDrawCallInfos.clear();
for (_commandIndex = 0; _commandIndex < numCommands; ++_commandIndex) {
switch (*command) {
@ -286,7 +288,7 @@ GLBackend::DrawCallInfoBuffer& GLBackend::getDrawCallInfoBuffer() {
void GLBackend::captureDrawCallInfo() {
auto& drawCallInfos = getDrawCallInfoBuffer();
drawCallInfos.push_back(_transform._objects.size() - 1);
drawCallInfos.push_back((uint16)_transform._objects.size() - 1);
}
bool GLBackend::checkGLError(const char* name) {

6
libraries/gpu/src/gpu/GLBackend.h
View file

@ -251,8 +251,8 @@ protected:
DrawCallInfo(Index idx) : index(idx) {}
Index index;
uint16_t unused; // Reserved space for later
Index index { 0 };
uint16_t unused { 0 }; // Reserved space for later
};
// Make sure DrawCallInfo has no extra padding
static_assert(sizeof(DrawCallInfo) == 4, "DrawCallInfo size is incorrect.");
@ -344,7 +344,7 @@ protected:
void killTransform();
// Synchronize the state cache of this Backend with the actual real state of the GL Context
void syncTransformStateCache();
void updateTransform() const;
void updateTransform();
void resetTransformStage();
struct TransformStageState {

4
libraries/gpu/src/gpu/GLBackendTransform.cpp
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@ -180,10 +180,10 @@ void GLBackend::TransformStageState::update(size_t commandIndex, const StereoSta
(void)CHECK_GL_ERROR();
}
void GLBackend::updateTransform() const {
void GLBackend::updateTransform() {
_transform.update(_commandIndex, _stereo);
auto& drawCallInfo = _drawCallInfos[_currentDraw];
auto& drawCallInfo = getDrawCallInfoBuffer()[_currentDraw];
glVertexAttribI2i(gpu::Stream::DRAW_CALL_INFO, drawCallInfo.index, drawCallInfo.unused);
}