Shader, first drawing

1 files changed, 19 insertions, 2 deletions

diff --git a/src/gl.c b/src/gl.c
index c28bf9e..82e33a9 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -6,14 +6,16 @@
 /*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2020/05/11 01:31:10 by charles           #+#    #+#             */
-/*   Updated: 2020/05/11 02:17:16 by charles          ###   ########.fr       */
+/*   Updated: 2020/05/11 10:42:42 by charles          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "scop.h"
 
-int	gl_state_init(t_gl_state *state, t_object *object)
+int		gl_state_init(t_gl_state *state, t_object *object)
 {
+	if ((state->shader = shader_new()) == 0)
+		return (-1);
 	GL_CALL(glGenBuffers(1, &state->vertex_buf));
 	GL_CALL(glBindBuffer(GL_ARRAY_BUFFER, state->vertex_buf));
 	GL_CALL(glBufferData(GL_ARRAY_BUFFER, sizeof(float) * object->vertices_len,
@@ -23,5 +25,20 @@ int	gl_state_init(t_gl_state *state, t_object *object)
 	GL_CALL(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, state->index_buf));
 	GL_CALL(glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(float) * object->indices_len,
 				object->indices, GL_STATIC_DRAW));
+
+	GL_CALL(glGenVertexArrays(1, &state->vertex_array));
+	GL_CALL(glBindVertexArray(state->vertex_array));
+	GL_CALL(glEnableVertexAttribArray(0));
+	GL_CALL(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(float) * 3, (const void*)0));
 	return (0);
 }
+
+void	gl_state_quit(t_gl_state *state, t_object *object)
+{
+	GL_CALL(glDeleteVertexArrays(1, &state->vertex_array));
+	GL_CALL(glDeleteBuffers(1, &state->vertex_buf));
+	GL_CALL(glDeleteBuffers(1, &state->index_buf));
+	GL_CALL(glDeleteProgram(state->shader));
+	free(object->vertices);
+	free(object->indices);
+}