an initial commit

1 files changed, 65 insertions, 0 deletions

diff --git a/include/shader.h b/include/shader.h
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+++ b/include/shader.h
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+/** @file shader.h
+ * 
+ * @brief Functions to create, manipulate, and destroy GLSL shaders. 
+ */
+
+#ifndef HONEY_SHADER_H
+#define HONEY_SHADER_H
+
+#include <cglm/cglm.h>
+
+enum honey_shader_result {
+  SHADER_OK,
+  VERTEX_SHADER_NOT_FOUND,
+  VERTEX_SHADER_TOO_LARGE,
+  VERTEX_SHADER_FAILED,
+  FRAGMENT_SHADER_NOT_FOUND,
+  FRAGMENT_SHADER_TOO_LARGE,
+  FRAGMENT_SHADER_FAILED,
+  SHADER_LINK_FAILED,
+  N_SHADER_STATES };
+
+typedef int honey_shader;
+
+/** @brief Load a shader.
+ *
+ * @param[out] shader Pointer to the shader destination
+ *
+ * @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.
+ */
+enum honey_shader_result honey_shader_load(honey_shader* shader,
+                                           char* vertex_shader_path,
+                                           char* fragment_shader_path);
+
+/** @brief Set an integer uniform.
+ *
+ * @param[in] shader The shader to which the uniform belongs
+ * @param[in] int_name The name of the integer uniform
+ * @param[in] number The value of the integer uniform
+ */
+void honey_shader_set_int(honey_shader shader,
+                          char* int_name,
+                          int number);
+
+/** @brief Set a mat4 uniform
+ *
+ * @param[in] shader The shader to which the uniform belongs
+ * @param[in] int_name The name of the matrix uniform
+ * @param[in] number The value of the matrix uniform
+ */
+void honey_shader_set_matrix_4fv(honey_shader shader,
+                                 char* matrix_name,
+                                 float* matrix);
+
+/** @brief Use a shader.
+ */
+#define honey_shader_use glUseProgram
+
+/** @brief delete a shader.
+ */
+#define honey_shader_delete glDeleteProgram
+
+#endif