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-rw-r--r--src/GalOgl.cpp153
1 files changed, 114 insertions, 39 deletions
diff --git a/src/GalOgl.cpp b/src/GalOgl.cpp
index 74e1f33..68ad96e 100644
--- a/src/GalOgl.cpp
+++ b/src/GalOgl.cpp
@@ -7,6 +7,72 @@
#include "Utility.hpp"
+enum class GlResourceType {
+ Vbo,
+ Vao,
+ Texture,
+ Fbo,
+ Program,
+ None,
+};
+
+class GlResource {
+ GlResourceType type = GlResourceType::None;
+ GLuint res = 0;
+public:
+ GlResource() = default;
+
+ GlResource(GLuint resource, GlResourceType resType) noexcept : res(resource), type(resType) {}
+
+ GlResource(const GlResource&) = delete;
+
+ GlResource(GlResource&& rhs) noexcept {
+ std::swap(this->res, rhs.res);
+ std::swap(this->type, rhs.type);
+ }
+
+ GlResource& operator=(const GlResource&) = delete;
+
+ GlResource& operator=(GlResource&& rhs) noexcept {
+ std::swap(this->res, rhs.res);
+ std::swap(this->type, rhs.type);
+ return *this;
+ }
+
+ ~GlResource() {
+ return;
+ switch (type) {
+ case GlResourceType::Vbo:
+ glDeleteBuffers(1, &res);
+ break;
+ case GlResourceType::Vao:
+ glDeleteVertexArrays(1, &res);
+ break;
+ case GlResourceType::Texture:
+ glDeleteTextures(1, &res);
+ break;
+ case GlResourceType::Fbo:
+ glDeleteFramebuffers(1, &res);
+ break;
+ case GlResourceType::Program:
+ glDeleteProgram(res);
+ break;
+ case GlResourceType::None:
+ default:
+ break;
+ }
+ }
+
+ operator GLuint() const noexcept {
+ return res;
+ }
+
+ GLuint Get() const noexcept {
+ return res;
+ }
+};
+
+
using namespace Gal;
class ImplOgl;
@@ -269,7 +335,6 @@ GLenum glCheckError_(const char* file, int line) {
error = "INVALID_FRAMEBUFFER_OPERATION";
break;
}
- static int t = 0;
LOG(ERROR) << "OpenGL error: " << error << " at " << file << ":" << line;
}
return errorCode;
@@ -277,24 +342,26 @@ GLenum glCheckError_(const char* file, int line) {
#define glCheckError() glCheckError_(__FILE__, __LINE__)
-class ShaderOgl : public Shader {
-public:
+struct ShaderOgl : public Shader {
+
bool isVertex = true;
std::string code;
+
};
-class BufferBindingOgl : public BufferBinding {
-public:
+struct BufferBindingOgl : public BufferBinding {
+
BufferBindingOgl(size_t id) : bufferId(id) {}
const size_t bufferId;
static constexpr size_t indexValue = (std::numeric_limits<size_t>::max)(); //parenthess for windows' max macro
+
};
-class BufferOgl : public Buffer {
-public:
- GLuint vbo;
+struct BufferOgl : public Buffer {
+
+ GlResource vbo;
virtual void SetData(std::vector<std::byte>&& data) override {
glBindBuffer(GL_ARRAY_BUFFER, vbo);
@@ -302,10 +369,10 @@ public:
glBindBuffer(GL_ARRAY_BUFFER, 0);
glCheckError();
}
+
};
-class TextureConfigOgl : public TextureConfig {
-public:
+struct TextureConfigOgl : public TextureConfig {
Format format;
size_t width = 1, height = 1, depth = 1;
@@ -314,7 +381,6 @@ public:
Filtering min = Filtering::Nearest, max = Filtering::Nearest;
Wrapping wrap = Wrapping::Clamp;
-
virtual void SetMinFilter(Filtering filter) override {
min = filter;
@@ -330,11 +396,10 @@ public:
};
-class TextureOgl : public Texture {
-public:
+struct TextureOgl : public Texture {
GLenum type;
- GLuint texture;
+ GlResource texture;
Format format;
size_t width, height, depth;
@@ -418,16 +483,16 @@ public:
};
-class FramebufferOgl : public Framebuffer {
-public:
+struct FramebufferOgl : public Framebuffer {
+
size_t vpX = 0, vpY = 0, vpW = 1, vpH = 1;
std::shared_ptr<TextureOgl> depthStencil;
std::vector<std::shared_ptr<TextureOgl>> colors;
- GLuint fbo = 0;
+ GlResource fbo;
virtual void Clear() override {
- glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER, fbo ? fbo : 0);
GLbitfield clearBits = 0;
clearBits |= GL_COLOR_BUFFER_BIT;
clearBits |= GL_DEPTH_BUFFER_BIT;
@@ -441,10 +506,11 @@ public:
vpW = w;
vpH = h;
}
+
};
-class FramebufferConfigOgl : public FramebufferConfig {
-public:
+struct FramebufferConfigOgl : public FramebufferConfig {
+
std::shared_ptr<TextureOgl> depthStencil;
std::map<size_t, std::shared_ptr<TextureOgl>> colors;
@@ -459,15 +525,15 @@ public:
}
};
-class PipelineConfigOgl : public PipelineConfig {
-public:
+struct PipelineConfigOgl : public PipelineConfig {
+
std::shared_ptr<ShaderOgl> vertexShader, pixelShader;
std::map<std::string, std::shared_ptr<TextureOgl>> textures;
std::map<std::string, Type> shaderParameters;
std::shared_ptr<FramebufferOgl> targetFb;
std::vector<std::vector<VertexAttribute>> vertexBuffers;
Primitive vertexPrimitive = Primitive::Triangle;
-public:
+
virtual void SetVertexShader(std::shared_ptr<Shader> shader) override {
vertexShader = std::static_pointer_cast<ShaderOgl,Shader>(shader);
}
@@ -504,12 +570,12 @@ public:
auto binding = std::make_shared<BufferBindingOgl>(BufferBindingOgl::indexValue);
return std::static_pointer_cast<BufferBinding, BufferBindingOgl>(binding);
}
-
+
};
-class PipelineInstanceOgl : public PipelineInstance {
-public:
- GLuint vao;
+struct PipelineInstanceOgl : public PipelineInstance {
+
+ GlResource vao;
bool useIndex = false;
Primitive primitive;
size_t instances = 0;
@@ -561,13 +627,14 @@ public:
virtual void SetInstancesCount(size_t count) override {
instances = count;
}
+
};
-class PipelineOgl : public Pipeline {
-public:
+struct PipelineOgl : public Pipeline {
+
std::map<std::string, size_t> shaderParameters;
std::vector<std::shared_ptr<TextureOgl>> staticTextures;
- GLuint program;
+ GlResource program;
struct VertexBindingCommand {
size_t bufferId;
size_t location;
@@ -621,7 +688,9 @@ public:
bufferBindingId.insert({ bind->bufferId,buff->vbo });
}
- glGenVertexArrays(1, &instance->vao);
+ GLuint newVao;
+ glGenVertexArrays(1, &newVao);
+ instance->vao = GlResource(newVao, GlResourceType::Vao);
glBindVertexArray(instance->vao);
glCheckError();
@@ -742,11 +811,10 @@ public:
glUniformMatrix4fv(shaderParameters.at(std::string(name)), 1, GL_FALSE, glm::value_ptr(value));
glCheckError();
}
-};
-class ImplOgl : public Impl {
+};
-public:
+struct ImplOgl : public Impl {
virtual void Init() override {
LOG(INFO) << "Initalizing Gal:OpenGL...";
@@ -796,7 +864,9 @@ public:
virtual std::shared_ptr<Buffer> CreateBuffer() override {
auto buff = std::make_shared<BufferOgl>();
- glGenBuffers(1, &buff->vbo);
+ GLuint newVbo;
+ glGenBuffers(1, &newVbo);
+ buff->vbo = GlResource(newVbo, GlResourceType::Vbo);
buff->SetData({});
glCheckError();
return std::static_pointer_cast<Buffer, BufferOgl>(buff);
@@ -838,7 +908,9 @@ public:
texture->height = texConfig->height;
texture->depth = texConfig->depth;
- glGenTextures(1, &texture->texture);
+ GLuint newTex;
+ glGenTextures(1, &newTex);
+ texture->texture = GlResource(newTex, GlResourceType::Texture);
glCheckError();
glBindTexture(texture->type, texture->texture);
@@ -929,7 +1001,7 @@ public:
glCheckError();
- pipeline->program = program;
+ pipeline->program = GlResource(program, GlResourceType::Program);
//Shader parameters
@@ -1012,7 +1084,9 @@ public:
auto conf = std::static_pointer_cast<FramebufferConfigOgl, FramebufferConfig>(config);
auto fb = std::make_shared<FramebufferOgl>();
- glGenFramebuffers(1, &fb->fbo);
+ GLuint newFbo;
+ glGenFramebuffers(1, &newFbo);
+ fb->fbo = GlResource(newFbo, GlResourceType::Fbo);
glBindFramebuffer(GL_FRAMEBUFFER, fb->fbo);
@@ -1040,7 +1114,7 @@ public:
virtual std::shared_ptr<Framebuffer> GetDefaultFramebuffer() override {
if (!fbDefault)
fbDefault = std::make_shared<FramebufferOgl>();
- fbDefault->fbo = 0;
+ fbDefault->fbo = GlResource(0, GlResourceType::None);
return std::static_pointer_cast<Framebuffer, FramebufferOgl>(fbDefault);
}
@@ -1062,6 +1136,7 @@ public:
shader->isVertex = false;
return std::static_pointer_cast<Shader, ShaderOgl>(shader);
}
+
};
Impl* Gal::GetImplementation()