diff options
Diffstat (limited to 'src/texture/texture.h')
| -rw-r--r-- | src/texture/texture.h | 81 |
1 files changed, 75 insertions, 6 deletions
diff --git a/src/texture/texture.h b/src/texture/texture.h index c9d1104..785fef0 100644 --- a/src/texture/texture.h +++ b/src/texture/texture.h @@ -11,18 +11,77 @@ enum honey_texture_result { TEXTURE_OK, TEXTURE_FAILED, + TEXTURE_CHANNEL_ERROR, N_TEXTURE_RESULTS }; typedef struct { - unsigned int texture_id; - int width; - int height; - int channels; + unsigned int id; + enum { + GREY, + RGB, + RGBA, + DEPTH + } type; + int width; + int height; + int channels; } honey_texture; /** @brief Place the honey.texture bindings as a table on the stack. */ void honey_setup_texture(lua_State* L); +/** @brief Create a greyscale texture. + * + * @param[out] texture Pointer to the destination texture. + * @param[in] width The width in pixels of the texture to create. + * @param[in] height The height in pixels of the texture to create. + * @param[in] data The data to populate the texture with, or NULL to leave it unpopulated. + * + * @returns HONEY_OK on success, and appropriate error on failure. + */ +void honey_texture_new_greyscale(honey_texture* texture, + int width, int height, + unsigned char* data); + +/** @brief Create an RGB texture. + * + * @param[out] texture Pointer to the destination texture. + * @param[in] width The width in pixels of the texture to create. + * @param[in] height The height in pixels of the texture to create. + * @param[in] data The data to populate the texture with, or NULL to leave it unpopulated. + * + * @returns HONEY_OK on success, and appropriate error on failure. + */ +void honey_texture_new_rgb(honey_texture* texture, + int width, int height, + unsigned char* data); + +/** @brief Create an RGBA texture. + * + * @param[out] texture Pointer to the destination texture. + * @param[in] width The width in pixels of the texture to create. + * @param[in] height The height in pixels of the texture to create. + * @param[in] data The data to populate the texture with, or NULL to leave it unpopulated. + * + * @returns HONEY_OK on success, and appropriate error on failure. + */ +void honey_texture_new_rgba(honey_texture* texture, + int width, int height, + unsigned char* data); + +/** @brief Create a depth texture. + * + * @param[out] texture Pointer to the destination texture. + * @param[in] width The width in pixels of the texture to create. + * @param[in] height The height in pixels of the texture to create. + * @param[in] data The data to populate the texture with, or NULL to leave it unpopulated. + * + * @returns HONEY_OK on success, and appropriate error on failure. + */ +void honey_texture_new_depth(honey_texture* texture, + int width, int height, + float* data); + /** @brief Load a texture from disk. * * @param[out] texture Pointer to the destination texture @@ -32,8 +91,7 @@ void honey_setup_texture(lua_State* L); * @return Success or failure type */ enum honey_texture_result honey_texture_load(honey_texture* texture, - char* texture_path, - bool alpha_channel); + char* texture_path); /** @brief Load a texture into a texture unit. * @@ -42,4 +100,15 @@ enum honey_texture_result honey_texture_load(honey_texture* texture, */ void honey_texture_use(honey_texture texture, int texture_unit); +/** @brief Create a framebuffer object. + * + * @param[out] destination Pointer to store the resulting OpenGL handle in. + * @param[in] width The width in pixels of the FBO. + * @param[in] height The height in pixels of the FBO. + * + * @returns HONEY_OK on success; appropriate error otherwise. + */ +honey_result honey_texture_framebuffer_object_new(unsigned int* destination, + int width, int height); + #endif |