From 50cdd344a3ed87c75a67739e2ffd34762e9b0895 Mon Sep 17 00:00:00 2001 From: hachem Date: Tue, 12 Aug 2025 18:12:37 +0200 Subject: feat: start of a basic rendering backend --- src/platform/opengl/opengl_vertex_buffer.cpp | 34 ++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 src/platform/opengl/opengl_vertex_buffer.cpp (limited to 'src/platform/opengl/opengl_vertex_buffer.cpp') diff --git a/src/platform/opengl/opengl_vertex_buffer.cpp b/src/platform/opengl/opengl_vertex_buffer.cpp new file mode 100644 index 0000000..76b620a --- /dev/null +++ b/src/platform/opengl/opengl_vertex_buffer.cpp @@ -0,0 +1,34 @@ +#include "opengl_vertex_buffer.h" +#include "rendering/vertex_buffer.h" +#include + +namespace Donut +{ + OpenGLVertexBuffer::OpenGLVertexBuffer(const void* data, uint32_t size) + { + glCreateBuffers(1, &m_renderer_id); + glBindBuffer(GL_ARRAY_BUFFER, m_renderer_id); + glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW); + } + + OpenGLVertexBuffer::~OpenGLVertexBuffer() + { + glDeleteBuffers(1, &m_renderer_id); + } + + void OpenGLVertexBuffer::bind() const + { + glBindBuffer(GL_ARRAY_BUFFER, m_renderer_id); + } + + void OpenGLVertexBuffer::unbind() const + { + glBindBuffer(GL_ARRAY_BUFFER, 0); + } + + void OpenGLVertexBuffer::set_data(const void* data, uint32_t size) + { + glBindBuffer(GL_ARRAY_BUFFER, m_renderer_id); + glBufferSubData(GL_ARRAY_BUFFER, 0, size, data); + } +}; -- cgit v1.3