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buffer_cache: Return handles instead of pointer to handles

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The original idea of returning pointers is that handles can be moved.
The problem is that the implementation didn't take that in mind and made
everything harder to work with. This commit drops pointer to handles and
returns the handles themselves. While it is still true that handles can
be invalidated, this way we get an old handle instead of a dangling
pointer.

This problem can be solved in the future with sparse buffers.
This commit is contained in:
ReinUsesLisp
2020-04-04 02:54:55 -03:00
parent 7e4a132a77
commit 090fd3fefa
14 changed files with 90 additions and 228 deletions
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62
src/video_core/renderer_opengl/utils.cpp
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@ -14,68 +14,6 @@
namespace OpenGL {
struct VertexArrayPushBuffer::Entry {
GLuint binding_index{};
const GLuint* buffer{};
GLintptr offset{};
GLsizei stride{};
};
VertexArrayPushBuffer::VertexArrayPushBuffer(StateTracker& state_tracker)
: state_tracker{state_tracker} {}
VertexArrayPushBuffer::~VertexArrayPushBuffer() = default;
void VertexArrayPushBuffer::Setup() {
index_buffer = nullptr;
vertex_buffers.clear();
}
void VertexArrayPushBuffer::SetIndexBuffer(const GLuint* buffer) {
index_buffer = buffer;
}
void VertexArrayPushBuffer::SetVertexBuffer(GLuint binding_index, const GLuint* buffer,
GLintptr offset, GLsizei stride) {
vertex_buffers.push_back(Entry{binding_index, buffer, offset, stride});
}
void VertexArrayPushBuffer::Bind() {
if (index_buffer) {
state_tracker.BindIndexBuffer(*index_buffer);
}
for (const auto& entry : vertex_buffers) {
glBindVertexBuffer(entry.binding_index, *entry.buffer, entry.offset, entry.stride);
}
}
struct BindBuffersRangePushBuffer::Entry {
GLuint binding;
const GLuint* buffer;
GLintptr offset;
GLsizeiptr size;
};
BindBuffersRangePushBuffer::BindBuffersRangePushBuffer(GLenum target) : target{target} {}
BindBuffersRangePushBuffer::~BindBuffersRangePushBuffer() = default;
void BindBuffersRangePushBuffer::Setup() {
entries.clear();
}
void BindBuffersRangePushBuffer::Push(GLuint binding, const GLuint* buffer, GLintptr offset,
GLsizeiptr size) {
entries.push_back(Entry{binding, buffer, offset, size});
}
void BindBuffersRangePushBuffer::Bind() {
for (const Entry& entry : entries) {
glBindBufferRange(target, entry.binding, *entry.buffer, entry.offset, entry.size);
}
}
void LabelGLObject(GLenum identifier, GLuint handle, VAddr addr, std::string_view extra_info) {
if (!GLAD_GL_KHR_debug) {
// We don't need to throw an error as this is just for debugging