suyu/src/video_core/renderer_opengl/utils.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <string>
#include <vector>
#include <fmt/format.h>
#include <glad/glad.h>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/scope_exit.h"
#include "video_core/renderer_opengl/utils.h"
namespace OpenGL {
struct VertexArrayPushBuffer::Entry {
GLuint binding_index{};
const GLuint* buffer{};
GLintptr offset{};
GLsizei stride{};
};
VertexArrayPushBuffer::VertexArrayPushBuffer() = default;
VertexArrayPushBuffer::~VertexArrayPushBuffer() = default;
void VertexArrayPushBuffer::Setup(GLuint vao_) {
vao = vao_;
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) {
glVertexArrayElementBuffer(vao, *index_buffer);
}
// TODO(Rodrigo): Find a way to ARB_multi_bind this
for (const auto& entry : vertex_buffers) {
glVertexArrayVertexBuffer(vao, 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
return;
}
std::string object_label;
if (extra_info.empty()) {
switch (identifier) {
case GL_TEXTURE:
object_label = fmt::format("Texture@0x{:016X}", addr);
break;
case GL_PROGRAM:
object_label = fmt::format("Shader@0x{:016X}", addr);
break;
default:
object_label = fmt::format("Object(0x{:X})@0x{:016X}", identifier, addr);
break;
}
} else {
object_label = fmt::format("{}@0x{:016X}", extra_info, addr);
}
glObjectLabel(identifier, handle, -1, static_cast<const GLchar*>(object_label.c_str()));
}
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} // namespace OpenGL