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gl_stream_buffer: Always use persistent memory maps 

yuzu no longer supports platforms without persistent maps.
master
ReinUsesLisp 2020-05-11 16:18:53 +07:00
parent b66ccaa376
commit da79ec9565
2 changed files with 14 additions and 30 deletions
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40
src/video_core/renderer_opengl/gl_stream_buffer.cpp
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@ -14,8 +14,7 @@ MICROPROFILE_DEFINE(OpenGL_StreamBuffer, "OpenGL", "Stream Buffer Orphaning",
namespace OpenGL {
OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent,
bool use_persistent)
OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent)
: buffer_size(size) {
gl_buffer.Create();
@ -29,23 +28,16 @@ OGLStreamBuffer::OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool p
allocate_size *= 2;
}
if (use_persistent) {
persistent = true;
coherent = prefer_coherent;
const GLbitfield flags =
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | (coherent ? GL_MAP_COHERENT_BIT : 0);
glNamedBufferStorage(gl_buffer.handle, allocate_size, nullptr, flags);
mapped_ptr = static_cast<u8*>(glMapNamedBufferRange(
gl_buffer.handle, 0, buffer_size, flags | (coherent ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT)));
} else {
glNamedBufferData(gl_buffer.handle, allocate_size, nullptr, GL_STREAM_DRAW);
}
coherent = prefer_coherent;
const GLbitfield flags =
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | (coherent ? GL_MAP_COHERENT_BIT : 0);
glNamedBufferStorage(gl_buffer.handle, allocate_size, nullptr, flags);
mapped_ptr = static_cast<u8*>(glMapNamedBufferRange(
gl_buffer.handle, 0, buffer_size, flags | (coherent ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT)));
}
OGLStreamBuffer::~OGLStreamBuffer() {
if (persistent) {
glUnmapNamedBuffer(gl_buffer.handle);
}
glUnmapNamedBuffer(gl_buffer.handle);
gl_buffer.Release();
}
@ -63,16 +55,14 @@ std::tuple<u8*, GLintptr, bool> OGLStreamBuffer::Map(GLsizeiptr size, GLintptr a
buffer_pos = 0;
invalidate = true;
if (persistent) {
glUnmapNamedBuffer(gl_buffer.handle);
}
glUnmapNamedBuffer(gl_buffer.handle);
}
if (invalidate || !persistent) {
if (invalidate) {
MICROPROFILE_SCOPE(OpenGL_StreamBuffer);
GLbitfield flags = GL_MAP_WRITE_BIT | (persistent ? GL_MAP_PERSISTENT_BIT : 0) |
(coherent ? GL_MAP_COHERENT_BIT : GL_MAP_FLUSH_EXPLICIT_BIT) |
(invalidate ? GL_MAP_INVALIDATE_BUFFER_BIT : GL_MAP_UNSYNCHRONIZED_BIT);
const GLbitfield flags = GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT |
(coherent ? GL_MAP_COHERENT_BIT : GL_MAP_FLUSH_EXPLICIT_BIT);
mapped_ptr = static_cast<u8*>(
glMapNamedBufferRange(gl_buffer.handle, buffer_pos, buffer_size - buffer_pos, flags));
mapped_offset = buffer_pos;
@ -88,10 +78,6 @@ void OGLStreamBuffer::Unmap(GLsizeiptr size) {
glFlushMappedNamedBufferRange(gl_buffer.handle, buffer_pos - mapped_offset, size);
}
if (!persistent) {
glUnmapNamedBuffer(gl_buffer.handle);
}
buffer_pos += size;
}

4
src/video_core/renderer_opengl/gl_stream_buffer.h
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@ -13,8 +13,7 @@ namespace OpenGL {
class OGLStreamBuffer : private NonCopyable {
public:
explicit OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent = false,
bool use_persistent = true);
explicit OGLStreamBuffer(GLsizeiptr size, bool vertex_data_usage, bool prefer_coherent = false);
~OGLStreamBuffer();
/*
@ -41,7 +40,6 @@ private:
OGLBuffer gl_buffer;
bool coherent = false;
bool persistent = false;
GLintptr buffer_pos = 0;
GLsizeiptr buffer_size = 0;