diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/GalOgl.cpp | 153 |
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() |