summaryrefslogtreecommitdiff
path: root/src/shader
diff options
context:
space:
mode:
Diffstat (limited to 'src/shader')
-rw-r--r--src/shader/shader.c198
-rw-r--r--src/shader/shader.h100
2 files changed, 0 insertions, 298 deletions
diff --git a/src/shader/shader.c b/src/shader/shader.c
deleted file mode 100644
index 122d59e..0000000
--- a/src/shader/shader.c
+++ /dev/null
@@ -1,198 +0,0 @@
-#include "shader.h"
-
-void honey_setup_shader(lua_State* L)
-{
- honey_lua_element shader_elements[] = {
- { "new", HONEY_FUNCTION, { .function = honey_shader_new } },
- { "use", HONEY_FUNCTION, { .function = honey_shader_use } },
- { "set_int", HONEY_FUNCTION, { .function = honey_shader_set_int } },
- { "set_float", HONEY_FUNCTION, { .function = honey_shader_set_float } },
- { "set_vec3", HONEY_FUNCTION, { .function = honey_shader_set_vec3 } },
- { "set_vec4", HONEY_FUNCTION, { .function = honey_shader_set_vec4 } },
- { "set_mat3", HONEY_FUNCTION, { .function = honey_shader_set_mat3 } },
- { "set_mat4", HONEY_FUNCTION, { .function = honey_shader_set_mat4 } },
- { "delete", HONEY_FUNCTION, { .function = honey_shader_delete } },
- };
-
- honey_lua_create_table(L, shader_elements, 9);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_new(lua_State* L)
-{
- if (!honey_lua_validate_types(L, 2, HONEY_STRING, HONEY_STRING))
- lua_error(L);
-
- const char* vertex_shader_source = lua_tostring(L, 1);
- const char* fragment_shader_source = lua_tostring(L, 2);
-
- int success;
- char error[1024];
-
- int vertex_shader = glCreateShader(GL_VERTEX_SHADER);
- glShaderSource(vertex_shader, 1,
- &vertex_shader_source, NULL);
- glCompileShader(vertex_shader);
- glGetShaderiv(vertex_shader, GL_COMPILE_STATUS, &success);
- if (!success) {
- glGetShaderInfoLog(vertex_shader, 1024, NULL, error);
- lua_pushstring(L, error);
- lua_error(L);
- }
-
- int fragment_shader = glCreateShader(GL_FRAGMENT_SHADER);
- glShaderSource(fragment_shader, 1,
- &fragment_shader_source, NULL);
- glCompileShader(fragment_shader);
- glGetShaderiv(fragment_shader, GL_COMPILE_STATUS, &success);
- if (!success) {
- glGetShaderInfoLog(fragment_shader, 1024, NULL, error);
- lua_pushstring(L, error);
- lua_error(L);
- }
-
- int shader = glCreateProgram();
- glAttachShader(shader, vertex_shader);
- glAttachShader(shader, fragment_shader);
- glLinkProgram(shader);
-
- glGetShaderiv(shader, GL_LINK_STATUS, &success);
- if (!success) {
- glGetShaderInfoLog(shader, 1024, NULL, error);
- lua_pushstring(L, error);
- lua_error(L);
- }
-
- glDeleteShader(vertex_shader);
- glDeleteShader(fragment_shader);
-
- lua_pushinteger(L, shader);
- return 1;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_use(lua_State* L)
-{
- if (!honey_lua_validate_types(L, 1, HONEY_INTEGER))
- lua_error(L);
-
- int shader = lua_tointeger(L, 1);
- glUseProgram(shader);
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_int(lua_State* L)
-{
- if (!honey_lua_validate_types(L, 2, HONEY_INTEGER, HONEY_STRING, HONEY_INTEGER))
- lua_error(L);
-
- int shader = lua_tointeger(L, 1);
- const char* name = lua_tostring(L, 2);
- int value = lua_tointeger(L, 3);
-
- glUseProgram(shader);
- unsigned int location = glGetUniformLocation(shader, name);
- glUniform1i(location, value);
-
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_float(lua_State* L)
-{
- if (!honey_lua_validate_types(L, 2, HONEY_INTEGER, HONEY_STRING, HONEY_NUMBER))
- lua_error(L);
-
- int shader = lua_tointeger(L, 1);
- const char* name = lua_tostring(L, 2);
- float value = lua_tonumber(L, 3);
-
- glUseProgram(shader);
- unsigned int location = glGetUniformLocation(shader, name);
- glUniform1f(location, value);
-
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-static void get_array(lua_State* L,
- unsigned int* location,
- float** value)
-{
- if (!honey_lua_validate_types(L, 2, HONEY_INTEGER, HONEY_STRING, HONEY_USERDATA))
- lua_error(L);
-
- int shader = lua_tointeger(L, 1);
- const char* name = lua_tostring(L, 2);
- *value = lua_touserdata(L, 3);
-
- glUseProgram(shader);
- *location = glGetUniformLocation(shader, name);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_vec3(lua_State* L)
-{
- unsigned int location;
- float* array;
- get_array(L, &location, &array);
-
- glUniform3fv(location, 1, array);
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_vec4(lua_State* L)
-{
- unsigned int location;
- float* array;
- get_array(L, &location, &array);
-
- glUniform4fv(location, 1, array);
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_mat3(lua_State* L)
-{
- unsigned int location;
- float* array;
- get_array(L, &location, &array);
-
- glUniformMatrix3fv(location, 1, GL_FALSE, array);
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_set_mat4(lua_State* L)
-{
- unsigned int location;
- float* array;
- get_array(L, &location, &array);
-
- glUniformMatrix4fv(location, 1, GL_FALSE, array);
- return 0;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-int honey_shader_delete(lua_State* L)
-{
- if (!honey_lua_validate_types(L, 1, HONEY_INTEGER))
- lua_error(L);
-
- int shader = lua_tointeger(L, 1);
-
- glDeleteProgram(shader);
- return 0;
-}
diff --git a/src/shader/shader.h b/src/shader/shader.h
deleted file mode 100644
index 95956ea..0000000
--- a/src/shader/shader.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/** @file shader.h
- *
- * @brief Functions to create, manipulate, and destroy GLSL shaders.
- */
-
-#ifndef HONEY_SHADER_H
-#define HONEY_SHADER_H
-
-#include "../common.h"
-
-/** @brief Push the shader table to the lua stack.
- */
-void honey_setup_shader(lua_State* L);
-
-/** @brief Create a new shader from source.
- *
- * @param[in] vertex_source The GLSL code for the vertex shader.
- * @param[in] fragment_source The GLSL code for the fragment shader.
- *
- * @returns OpenGL handle for the compiled shader.
- */
-int honey_shader_new(lua_State* L);
-
-/** @brief Set a shader as the current OpenGL shader.
- *
- * @param[in] shader The OpenGL handle to a shader, as generated by honey.shader.new
- *
- * @returns Nothing.
- */
-int honey_shader_use(lua_State* L);
-
-/** @brief Set an integer 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.
- */
-int honey_shader_set_int(lua_State* L);
-
-/** @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.
- *
- * @returns Nothing.
- */
-int honey_shader_set_float(lua_State* L);
-
-/** @brief Set a vec3 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.
- */
-int honey_shader_set_vec3(lua_State* L);
-
-/** @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.
- *
- * @returns Nothing.
- */
-int honey_shader_set_vec4(lua_State* L);
-
-/** @brief Set a mat3 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.
- */
-int honey_shader_set_mat3(lua_State* L);
-
-/** @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.
- */
-int honey_shader_set_mat4(lua_State* L);
-
-/** @brief Delete a shader.
- *
- * @param[in] shader An OpenGL shader handle.
- *
- * @returns Nothing.
- */
-int honey_shader_delete(lua_State* L);
-
-#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-24 17:27:12 +0000