diff options
Diffstat (limited to 'src/shader/shader.h')
| -rw-r--r-- | src/shader/shader.h | 137 |
1 files changed, 60 insertions, 77 deletions
diff --git a/src/shader/shader.h b/src/shader/shader.h index 07cc22d..95956ea 100644 --- a/src/shader/shader.h +++ b/src/shader/shader.h @@ -7,111 +7,94 @@ #define HONEY_SHADER_H #include "../common.h" -#include "../light/light.h" -typedef int honey_shader; +/** @brief Push the shader table to the lua stack. + */ +void honey_setup_shader(lua_State* L); -/** @brief Load a shader. +/** @brief Create a new shader from source. * - * @param[out] shader Pointer to the shader destination + * @param[in] vertex_source The GLSL code for the vertex shader. + * @param[in] fragment_source The GLSL code for the fragment shader. * - * @param[in] vertex_shader_path The path to the vertex shader source code - * @param[in] fragment_shader_path The path to the fragment shader source code - * - * @return The result of the shader load. + * @returns OpenGL handle for the compiled shader. */ -honey_result honey_shader_load(honey_shader* shader, - char* vertex_shader_path, - char* fragment_shader_path); +int honey_shader_new(lua_State* L); -/** @brief Create a shader from code strings. +/** @brief Set a shader as the current OpenGL shader. * - * @param[out] shader Pointer to the shader destination. - * @param[in] vertex_shader_code Zero-terminated string containing the vertex shader code to compile - * @param[in] fragment_shader_code Zero-terminated string containing the fragment shader code to compile + * @param[in] shader The OpenGL handle to a shader, as generated by honey.shader.new * - * @return The result of the shader creation. + * @returns Nothing. */ -honey_result honey_shader_new(honey_shader* shader, - char* vertex_shader_code, - char* fragment_shader_code); +int honey_shader_use(lua_State* L); -/** @brief Set an integer uniform. +/** @brief Set an integer uniform on a shader. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] int_name The name of the integer uniform - * @param[in] value The value of the integer uniform - */ -void honey_shader_set_int(honey_shader shader, - char* int_name, - int value); - -/** @brief Set a float uniform. + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] float_name The name of the float uniform - * @param[in] value The value of the float uniform + * @returns Nothing. */ -void honey_shader_set_float(honey_shader shader, - char* float_name, - float value); +int honey_shader_set_int(lua_State* L); -/** @brief Set a vec3 uniform. - * @param[in] shader The shader to which the uniform belongs - * @param[in] vector_name The name of the vec3 uniform - * @param[in] value The value of the vector uniform - */ -void honey_shader_set_vec3(honey_shader shader, - char* vector_name, - vec3 value); - - -/** @brief Set a mat3 uniform. +/** @brief Set a float uniform on a shader. + * + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] matrix_name The name of the matrix uniform - * @param[in] value The value of the matrix uniform + * @returns Nothing. */ -void honey_shader_set_mat3(honey_shader shader, - char* matrix_name, - mat3 value); +int honey_shader_set_float(lua_State* L); -/** @brief Set a mat4 uniform. +/** @brief Set a vec3 uniform on a shader. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] matrix_name The name of the matrix uniform - * @param[in] value The value of the matrix uniform + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. + * + * @returns Nothing. */ -void honey_shader_set_mat4(honey_shader shader, - char* matrix_name, - mat4 value); +int honey_shader_set_vec3(lua_State* L); -/** @brief Set a point_light uniform. +/** @brief Set a vec4 uniform on a shader. + * + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] point_light_index The index of the light to set - * @param[in] light The honey_point_light to set + * @returns Nothing. */ -void honey_shader_set_point_light(honey_shader shader, - int point_light_index, - honey_point_light light); +int honey_shader_set_vec4(lua_State* L); -/** @brief Set a directional_light uniform. +/** @brief Set a mat3 uniform on a shader. * - * @param[in] shader The shader to which the uniform belongs - * @param[in] directional_light_index The index of the light to set - * @param[in] light The honey_directional_light to set + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. + * + * @returns Nothing. */ -void honey_shader_set_directional_light(honey_shader shader, - int directional_light_index, - honey_directional_light light); +int honey_shader_set_mat3(lua_State* L); -/** @brief Use a shader. +/** @brief Set a mat4 uniform on a shader. + * + * @param[in] shader The OpenGL shader handle. + * @param[in] name The name of the shader uniform as a string. + * @param[in] value The value to set the uniform to. + * + * @returns Nothing. */ -#define honey_shader_use glUseProgram +int honey_shader_set_mat4(lua_State* L); -/** @brief delete a shader. +/** @brief Delete a shader. + * + * @param[in] shader An OpenGL shader handle. + * + * @returns Nothing. */ -#define honey_shader_delete glDeleteProgram +int honey_shader_delete(lua_State* L); #endif |