Add vertex buffer

2 files changed, 57 insertions, 0 deletions

diff --git a/include/mgl/graphics/vertex.h b/include/mgl/graphics/vertex.h
new file mode 100644
index 0000000..b4a5830
--- /dev/null
+++ b/include/mgl/graphics/vertex.h
@@ -0,0 +1,13 @@
+#ifndef MGL_VERTEX_H
+#define MGL_VERTEX_H
+
+#include "color.h"
+#include "../system/vec.h"
+
+typedef struct {
+    mgl_vec2f position;
+    mgl_color color;
+    mgl_vec2f texcoords;
+} mgl_vertex;
+
+#endif /* MGL_VERTEX_H */
diff --git a/include/mgl/graphics/vertex_buffer.h b/include/mgl/graphics/vertex_buffer.h
new file mode 100644
index 0000000..c1e4af1
--- /dev/null
+++ b/include/mgl/graphics/vertex_buffer.h
@@ -0,0 +1,44 @@
+#ifndef MGL_VERTEX_BUFFER_H
+#define MGL_VERTEX_BUFFER_H
+
+#include "vertex.h"
+#include <stddef.h>
+
+typedef struct mgl_context mgl_context;
+typedef struct mgl_texture mgl_texture;
+
+typedef enum {
+    MGL_PRIMITIVE_POINTS,
+    MGL_PRIMITIVE_LINES,
+    MGL_PRIMITIVE_LINE_STRIP,
+    MGL_PRIMITIVE_TRIANGLES,
+    MGL_PRIMITIVE_TRIANGLE_STRIP,
+    MGL_PRIMITIVE_TRIANGLE_FAN,
+    MGL_PRIMITIVE_QUADS,
+    MGL_PRIMITIVE_QUAD_STRIP,
+    MGL_PRIMITIVE_POLYGON,
+} mgl_primitive_type;
+
+typedef enum {
+    MGL_USAGE_STREAM,
+    MGL_USAGE_DYNAMIC,
+    MGL_USAGE_STATIC
+} mgl_vertex_buffer_usage;
+
+typedef struct {
+    unsigned int id;
+    size_t vertex_count;
+    mgl_primitive_type primitive_type;
+    mgl_vertex_buffer_usage usage;
+    mgl_vec2f position;
+} mgl_vertex_buffer;
+
+int mgl_vertex_buffer_init(mgl_vertex_buffer *self, mgl_primitive_type primitive_type, mgl_vertex_buffer_usage usage);
+void mgl_vertex_buffer_deinit(mgl_vertex_buffer *self);
+
+void mgl_vertex_buffer_set_position(mgl_vertex_buffer *self, mgl_vec2f position);
+int mgl_vertex_buffer_update(mgl_vertex_buffer *self, mgl_vertex *vertices, size_t vertex_count);
+/* |texture| can be NULL to not use any texture */
+void mgl_vertex_buffer_draw(mgl_context *context, mgl_vertex_buffer *self, mgl_texture *texture);
+
+#endif /* MGL_VERTEX_BUFFER_H */