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GLES: Use buffer range mapping where appropriate.

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Unknown W. Brackets 2018-02-11 11:53:19 -08:00
parent 9eb51a6a36
commit edcd2f966a
2 changed files with 31 additions and 13 deletions
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30
ext/native/thin3d/GLRenderManager.cpp
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@ -633,9 +633,14 @@ size_t GLPushBuffer::GetTotalSize() const {
void GLPushBuffer::MapDevice() {
for (auto &info : buffers_) {
if (!info.buffer->buffer) {
// Can't map - no device buffer associated yet.
continue;
}
assert(!info.deviceMemory);
// TODO: Can we use GL_WRITE_ONLY?
info.deviceMemory = (uint8_t *)info.buffer->Map(GL_READ_WRITE);
info.deviceMemory = (uint8_t *)info.buffer->Map(GL_READ_WRITE, GL_MAP_WRITE_BIT);
if (info.deviceMemory) {
delete[] info.localMemory;
@ -664,3 +669,26 @@ void GLPushBuffer::UnmapDevice() {
}
}
}
void *GLRBuffer::Map(GLenum accessOld, GLbitfield accessNew) {
assert(buffer != 0);
glBindBuffer(target_, buffer);
void *p;
if (gl_extensions.VersionGEThan(3, 0, 0)) {
p = glMapBufferRange(target_, 0, size_, accessNew);
} else {
#ifndef USING_GLES2
p = glMapBuffer(target_, accessOld);
#endif
}
mapped_ = p != nullptr;
return p;
}
bool GLRBuffer::Unmap() {
glBindBuffer(target_, buffer);
mapped_ = false;
return glUnmapBuffer(target_) == GL_TRUE;
}

14
ext/native/thin3d/GLRenderManager.h
View file

@ -139,18 +139,8 @@ public:
}
}
void *Map(GLenum access) {
glBindBuffer(target_, buffer);
void *p = glMapBuffer(target_, access);
mapped_ = p != nullptr;
return p;
}
bool Unmap() {
glBindBuffer(target_, buffer);
mapped_ = false;
return glUnmapBuffer(target_) == GL_TRUE;
}
void *Map(GLenum accessOld, GLbitfield accessNew);
bool Unmap();
bool Mapped() {
return mapped_;