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authorMatt Kosarek <matt.kosarek@canonical.com>2025-12-29 09:34:00 -0500
committerMatt Kosarek <matt.kosarek@canonical.com>2025-12-29 09:34:00 -0500
commitbf4b3a5c35152c1292757134123b3363d0f81bf6 (patch)
tree7796e03d309c43115596f78d553a74f911f82218 /themes/src/renderer_2d.h
parent25c93a0ab9c855f75ee48df635fb5422c8eaba95 (diff)
Renamed PascalCase files to snake_case
Diffstat (limited to 'themes/src/renderer_2d.h')
-rw-r--r--themes/src/renderer_2d.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/themes/src/renderer_2d.h b/themes/src/renderer_2d.h
new file mode 100644
index 0000000..d572533
--- /dev/null
+++ b/themes/src/renderer_2d.h
@@ -0,0 +1,61 @@
+#pragma once
+
+#include "webgl_context.h"
+#include "types.h"
+#include "shader.h"
+#include "mathlib.h"
+
+struct WebglContext;
+
+/// Responsible for rendering Mesh2Ds
+struct Renderer2d {
+ WebglContext* context = NULL;
+ Mat4x4 projection;
+ u32 shader;
+ Vector4 clearColor;
+
+ struct {
+ i32 position;
+ i32 color;
+
+ // TODO: vMatrix is not standard and does not belong here
+ i32 vMatrix;
+ } attributes;
+
+ struct {
+ i32 projection;
+ i32 model;
+ } uniforms;
+
+ /// Load with the provided context and shader programs. If the shaders are NULL, the default
+ /// shader is used
+ void load(WebglContext* context, const char* vertexShader = NULL, const char* fragmentShader = NULL);
+ void render();
+ void unload();
+ f32 get_width();
+ f32 get_height();
+};
+
+struct Vertex2D {
+ Vector2 position;
+ Vector4 color;
+ Mat4x4 vMatrix;
+};
+
+struct Mesh2D {
+ u32 vao;
+ u32 vbo;
+ u32 ebo = 0;
+ u32 numVertices = 0;
+ u32 numIndices = 0;
+ Mat4x4 model;
+
+ void load(Vertex2D* vertices, u32 numVertices, Renderer2d* renderer);
+ void load(Vertex2D* vertices,
+ u32 numVertices,
+ u32* indices,
+ u32 numIndices,
+ Renderer2d* renderer);
+ void render(Renderer2d* renderer, GLenum drawType = GL_TRIANGLES);
+ void unload();
+};