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Format: src/{common, utils, wire}

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This commit is contained in:
Corentin Wallez
2017-11-24 11:45:29 -05:00
committed by Corentin Wallez
parent a351ce9618
commit 9d01c6c26d
29 changed files with 897 additions and 876 deletions
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203
src/utils/OpenGLBinding.cpp
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@@ -19,130 +19,131 @@
#include "nxt/nxt_wsi.h"
#include "utils/SwapChainImpl.h"
#include <cstdio>
// Glad needs to be included before GLFW otherwise it complain that GL.h was already included
#include "glad/glad.h"
#include <cstdio>
#include "GLFW/glfw3.h"
namespace backend {
namespace opengl {
void Init(void* (*getProc)(const char*), nxtProcTable* procs, nxtDevice* device);
}
}
namespace backend { namespace opengl {
void Init(void* (*getProc)(const char*), nxtProcTable* procs, nxtDevice* device);
}} // namespace backend::opengl
namespace utils {
class SwapChainImplGL : SwapChainImpl {
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplGL, nxtWSIContextGL>();
impl.userData = new SwapChainImplGL(window);
return impl;
public:
static nxtSwapChainImplementation Create(GLFWwindow* window) {
auto impl = GenerateSwapChainImplementation<SwapChainImplGL, nxtWSIContextGL>();
impl.userData = new SwapChainImplGL(window);
return impl;
}
private:
GLFWwindow* mWindow = nullptr;
uint32_t mWidth = 0;
uint32_t mHeight = 0;
GLuint mBackFBO = 0;
GLuint mBackTexture = 0;
SwapChainImplGL(GLFWwindow* window) : mWindow(window) {
}
~SwapChainImplGL() {
glDeleteTextures(1, &mBackTexture);
glDeleteFramebuffers(1, &mBackFBO);
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
void Init(nxtWSIContextGL*) {
glGenTextures(1, &mBackTexture);
glBindTexture(GL_TEXTURE_2D, mBackTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &mBackFBO);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
mBackTexture, 0);
}
nxtSwapChainError Configure(nxtTextureFormat format,
nxtTextureUsageBit,
uint32_t width,
uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
mWidth = width;
mHeight = height;
private:
GLFWwindow* mWindow = nullptr;
uint32_t mWidth = 0;
uint32_t mHeight = 0;
GLuint mBackFBO = 0;
GLuint mBackTexture = 0;
glBindTexture(GL_TEXTURE_2D, mBackTexture);
// Reallocate the texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE,
nullptr);
SwapChainImplGL(GLFWwindow* window)
: mWindow(window) {
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
~SwapChainImplGL() {
glDeleteTextures(1, &mBackTexture);
glDeleteFramebuffers(1, &mBackFBO);
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = reinterpret_cast<void*>(static_cast<size_t>(mBackTexture));
return NXT_SWAP_CHAIN_NO_ERROR;
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
nxtSwapChainError Present() {
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, 0, mWidth, mHeight, 0, 0, mWidth, mHeight, GL_COLOR_BUFFER_BIT,
GL_NEAREST);
glfwSwapBuffers(mWindow);
void Init(nxtWSIContextGL*) {
glGenTextures(1, &mBackTexture);
glBindTexture(GL_TEXTURE_2D, mBackTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 0, 0, 0,
GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glGenFramebuffers(1, &mBackFBO);
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, mBackTexture, 0);
}
nxtSwapChainError Configure(nxtTextureFormat format, nxtTextureUsageBit,
uint32_t width, uint32_t height) {
if (format != NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM) {
return "unsupported format";
}
ASSERT(width > 0);
ASSERT(height > 0);
mWidth = width;
mHeight = height;
glBindTexture(GL_TEXTURE_2D, mBackTexture);
// Reallocate the texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError GetNextTexture(nxtSwapChainNextTexture* nextTexture) {
nextTexture->texture = reinterpret_cast<void*>(static_cast<size_t>(mBackTexture));
return NXT_SWAP_CHAIN_NO_ERROR;
}
nxtSwapChainError Present() {
glBindFramebuffer(GL_READ_FRAMEBUFFER, mBackFBO);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBlitFramebuffer(0, 0, mWidth, mHeight, 0, 0, mWidth, mHeight,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glfwSwapBuffers(mWindow);
return NXT_SWAP_CHAIN_NO_ERROR;
}
return NXT_SWAP_CHAIN_NO_ERROR;
}
};
class OpenGLBinding : public BackendBinding {
public:
void SetupGLFWWindowHints() override {
#if defined(NXT_PLATFORM_APPLE)
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
glfwMakeContextCurrent(mWindow);
backend::opengl::Init(reinterpret_cast<void*(*)(const char*)>(glfwGetProcAddress), procs, device);
public:
void SetupGLFWWindowHints() override {
#if defined(NXT_PLATFORM_APPLE)
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 4);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
}
void GetProcAndDevice(nxtProcTable* procs, nxtDevice* device) override {
glfwMakeContextCurrent(mWindow);
backend::opengl::Init(reinterpret_cast<void* (*)(const char*)>(glfwGetProcAddress),
procs, device);
mBackendDevice = *device;
}
mBackendDevice = *device;
}
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplGL::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
uint64_t GetSwapChainImplementation() override {
if (mSwapchainImpl.userData == nullptr) {
mSwapchainImpl = SwapChainImplGL::Create(mWindow);
}
return reinterpret_cast<uint64_t>(&mSwapchainImpl);
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
nxtTextureFormat GetPreferredSwapChainTextureFormat() override {
return NXT_TEXTURE_FORMAT_R8_G8_B8_A8_UNORM;
}
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
private:
nxtDevice mBackendDevice = nullptr;
nxtSwapChainImplementation mSwapchainImpl = {};
};
BackendBinding* CreateOpenGLBinding() {
return new OpenGLBinding;
}
}
} // namespace utils