diff options
Diffstat (limited to 'src/rendering/renderer.h')
| -rw-r--r-- | src/rendering/renderer.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/rendering/renderer.h b/src/rendering/renderer.h new file mode 100644 index 0000000..189723d --- /dev/null +++ b/src/rendering/renderer.h @@ -0,0 +1,158 @@ +#pragma once + +#include "core/memory.h" +#include "vertex_array.h" +#include "shader.h" +#include "framebuffer.h" + +#include <glm/glm.hpp> + +namespace Donut +{ + class RendererAPI + { + public: + enum class API + { + None = 0, + OpenGL = 1, + Vulkan = 2, + }; + + public: + virtual ~RendererAPI() = default; + + virtual auto init() -> void = 0; + virtual auto set_viewport(uint32_t x, uint32_t y, + uint32_t width, uint32_t height) -> void = 0; + virtual auto set_clear_color(const glm::vec4& color) -> void = 0; + virtual auto clear() -> void = 0; + virtual auto enable_depth_test() -> void = 0; + virtual auto disable_depth_test() -> void = 0; + virtual auto set_face_culling(bool enabled) -> void = 0; + virtual auto enable_blending() -> void = 0; + virtual auto disable_blending() -> void = 0; + + virtual auto draw_indexed(const Ref<VertexArray>& vertex_array, + uint32_t index_count = 0) -> void = 0; + + virtual auto draw_arrays(uint32_t vertex_count, uint32_t first = 0) -> void = 0; + virtual auto draw_lines(const Ref<VertexArray>& vertex_array, + uint32_t index_count = 0) -> void = 0; + virtual auto bind_texture(uint32_t texture_id, uint32_t slot = 0) -> void = 0; + virtual auto bind_image_texture(uint32_t texture_id, + uint32_t slot = 0, + bool read_only = false) -> void = 0; + virtual auto read_pixels(uint32_t x, uint32_t y, uint32_t width, uint32_t height, + uint32_t format, uint32_t type, void* pixels) -> void = 0; + + inline static auto get_api() -> API { return s_api; } + inline static auto set_api(API api) -> void { s_api = api; } + static auto create() -> Scope<RendererAPI>; + + private: + static API s_api; + }; + + class RenderCommand + { + public: + inline static auto init() -> void + { + s_renderer_api->init(); + } + + inline static auto set_viewport(uint32_t x, uint32_t y, uint32_t width, uint32_t height) -> void + { + s_renderer_api->set_viewport(x, y, width, height); + } + + inline static auto set_clear_color(const glm::vec4& color) -> void + { + s_renderer_api->set_clear_color(color); + } + + inline static auto clear() -> void + { + s_renderer_api->clear(); + } + + inline static auto enable_depth_test() -> void + { + s_renderer_api->enable_depth_test(); + } + + inline static auto disable_depth_test() -> void + { + s_renderer_api->disable_depth_test(); + } + + inline static auto set_face_culling(bool enabled) -> void + { + s_renderer_api->set_face_culling(enabled); + } + + inline static auto enable_blending() -> void + { + s_renderer_api->enable_blending(); + } + + inline static auto disable_blending() -> void + { + s_renderer_api->disable_blending(); + } + + inline static auto draw_indexed(const Ref<VertexArray>& vertex_array, uint32_t index_count = 0) -> void + { + s_renderer_api->draw_indexed(vertex_array, index_count); + } + + inline static auto draw_arrays(uint32_t vertex_count, uint32_t first = 0) -> void + { + s_renderer_api->draw_arrays(vertex_count, first); + } + + inline static auto draw_lines(const Ref<VertexArray>& vertex_array, uint32_t index_count = 0) -> void + { + s_renderer_api->draw_lines(vertex_array, index_count); + } + + inline static auto bind_texture(uint32_t texture_id, uint32_t slot = 0) -> void + { + s_renderer_api->bind_texture(texture_id, slot); + } + + inline static auto bind_image_texture(uint32_t texture_id, uint32_t slot = 0, bool read_only = false) -> void + { + s_renderer_api->bind_image_texture(texture_id, slot, read_only); + } + + inline static auto read_pixels(uint32_t x, uint32_t y, uint32_t width, uint32_t height, + uint32_t format, uint32_t type, void* pixels) -> void + { + s_renderer_api->read_pixels(x, y, width, height, format, type, pixels); + } + + private: + static Scope<RendererAPI> s_renderer_api; + }; + + class Renderer + { + public: + static auto init() -> void; + static auto shutdown() -> void; + + static auto on_window_resize(uint32_t width, uint32_t height) -> void; + + static auto submit(const Ref<Shader>& shader, + const Ref<VertexArray>& vertex_array, + const glm::mat4& transform, + const glm::mat4& view_projection) -> void; + + static auto set_clear_color(const glm::vec4& color) -> void; + static auto clear() -> void; + + inline static auto get_api() -> RendererAPI::API { return RendererAPI::get_api(); } + }; +}; |