diff options
Diffstat (limited to 'src/rendering/renderer.cpp')
| -rw-r--r-- | src/rendering/renderer.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/src/rendering/renderer.cpp b/src/rendering/renderer.cpp deleted file mode 100644 index 1c82447..0000000 --- a/src/rendering/renderer.cpp +++ /dev/null @@ -1,168 +0,0 @@ -#include "renderer.h" - -#include "core/log.h" - -#include <glad/glad.h> -#include <GLFW/glfw3.h> -#include <glm/gtc/matrix_transform.hpp> - -namespace Donut -{ - RendererAPI::API RendererAPI::s_api = RendererAPI::API::OpenGL; - - auto RendererAPI::create() -> Scope<RendererAPI> - { - return create_scope<RendererAPI>(); - } - - auto RendererAPI::init() -> void - { - if (!glfwGetCurrentContext()) - { - DONUT_ERROR("No OpenGL context is current! Cannot initialize GLAD."); - return; - } - - if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) - { - DONUT_ERROR("Failed to initialize GLAD!"); - return; - } - - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_DEPTH_TEST); - glDepthFunc(GL_LESS); - - glEnable(GL_CULL_FACE); - glCullFace(GL_BACK); - glFrontFace(GL_CCW); - } - - auto RendererAPI::set_viewport(uint32_t x, uint32_t y, uint32_t width, uint32_t height) -> void - { - glViewport(x, y, width, height); - } - - auto RendererAPI::set_clear_color(const glm::vec4& color) -> void - { - glClearColor(color.r, color.g, color.b, color.a); - } - - auto RendererAPI::clear() -> void - { - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - } - - auto RendererAPI::enable_depth_test() -> void - { - glEnable(GL_DEPTH_TEST); - } - - auto RendererAPI::disable_depth_test() -> void - { - glDisable(GL_DEPTH_TEST); - } - - auto RendererAPI::set_face_culling(bool enabled) -> void - { - if (enabled) - { - glEnable(GL_CULL_FACE); - glCullFace(GL_BACK); - glFrontFace(GL_CCW); - } - else - glDisable(GL_CULL_FACE); - } - - auto RendererAPI::enable_blending() -> void - { - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - } - - auto RendererAPI::disable_blending() -> void - { - glDisable(GL_BLEND); - } - - auto RendererAPI::draw_indexed(const Ref<VertexArray>& vertex_array, uint32_t index_count) -> void - { - uint32_t count = index_count ? index_count : vertex_array->get_index_buffer()->get_count(); - glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, nullptr); - glBindTexture(GL_TEXTURE_2D, 0); - } - - auto RendererAPI::draw_arrays(uint32_t vertex_count, uint32_t first) -> void - { - glDrawArrays(GL_TRIANGLES, first, vertex_count); - } - - auto RendererAPI::draw_lines(const Ref<VertexArray>& vertex_array, uint32_t index_count) -> void - { - uint32_t count = index_count ? index_count : vertex_array->get_index_buffer()->get_count(); - glDrawElements(GL_LINES, count, GL_UNSIGNED_INT, nullptr); - } - - auto RendererAPI::bind_texture(uint32_t texture_id, uint32_t slot) -> void - { - glActiveTexture(GL_TEXTURE0 + slot); - glBindTexture(GL_TEXTURE_2D, texture_id); - } - - auto RendererAPI::bind_image_texture(uint32_t texture_id, uint32_t slot, bool read_only) -> void - { - // Image load/store is OpenGL 4.2; the pointer is null on macOS (4.1). - if (glBindImageTexture == nullptr) - return; - glBindImageTexture(slot, texture_id, 0, GL_FALSE, 0, - read_only ? GL_READ_ONLY : GL_WRITE_ONLY, GL_RGBA8); - } - - auto RendererAPI::read_pixels(uint32_t x, uint32_t y, uint32_t width, uint32_t height, - uint32_t format, uint32_t type, void* pixels) -> void - { - glReadPixels(x, y, width, height, format, type, pixels); - } - - auto Renderer::init() -> void - { - RenderCommand::init(); - RenderCommand::enable_depth_test(); - } - - auto Renderer::shutdown() -> void - { - } - - auto Renderer::on_window_resize(uint32_t width, uint32_t height) -> void - { - RenderCommand::set_viewport(0, 0, width, height); - } - - auto Renderer::submit(const Ref<Shader>& shader, - const Ref<VertexArray>& vertex_array, - const glm::mat4& transform, - const glm::mat4& view_projection) -> void - { - shader->bind(); - shader->set_mat4("u_ViewProjection", view_projection); - shader->set_mat4("u_Transform", transform); - - vertex_array->bind(); - RenderCommand::draw_indexed(vertex_array); - } - - Scope<RendererAPI> RenderCommand::s_renderer_api = RendererAPI::create(); - - auto Renderer::set_clear_color(const glm::vec4& color) -> void - { - RenderCommand::set_clear_color(color); - } - - auto Renderer::clear() -> void - { - RenderCommand::clear(); - } -}; |
