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textures working on web, separation of vertex and index buffers (actually matters)

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veclavtalica
2025-02-21 23:34:01 +03:00
parent d76ea06470
commit 814269ab0c
5 changed files with 150 additions and 71 deletions
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23
src/rendering/twn_draw_c.h
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@ -39,12 +39,18 @@ enum {
typedef uint32_t VertexBuffer;
typedef uint32_t IndexBuffer;
typedef struct VertexBufferBuilder {
size_t size;
void *base;
} VertexBufferBuilder;
typedef struct IndexBufferBuilder {
size_t size;
void *base;
} IndexBufferBuilder;
typedef struct SpritePrimitive {
Rect rect;
@ -268,19 +274,19 @@ void text_cache_reset_arena(TextCache *cache);
/* vertex buffer */
VertexBuffer create_vertex_buffer(void);
void restart_scratch_vertex_arrays(void);
VertexBuffer get_scratch_vertex_array(void);
void delete_vertex_buffer(VertexBuffer buffer);
void specify_vertex_buffer(VertexBuffer buffer, void const *data, size_t bytes);
VertexBufferBuilder build_vertex_buffer(VertexBuffer buffer, size_t bytes);
void finish_vertex_builder(VertexBufferBuilder *builder);
IndexBuffer create_index_buffer(void);
void delete_index_buffer(IndexBuffer buffer);
void specify_index_buffer(IndexBuffer buffer, void const *data, size_t bytes);
IndexBufferBuilder build_index_buffer(IndexBuffer buffer, size_t bytes);
void finish_index_builder(IndexBufferBuilder *builder);
/* 2d */
/* fills two existing arrays with the geometry data of a circle */
@ -304,9 +310,8 @@ struct QuadBatch collect_rect_batch(const Primitive2D primitives[], size_t len);
void render_sprite_batch(const Primitive2D primitives[], struct QuadBatch batch);
void render_rect_batch(const Primitive2D primitives[], struct QuadBatch batch);
VertexBuffer get_quad_element_buffer(void);
VertexBuffer get_circle_element_buffer(void);
IndexBuffer get_quad_element_buffer(void);
IndexBuffer get_circle_element_buffer(void);
void render_circle(const CirclePrimitive *circle);