First commit

1 files changed, 64 insertions, 0 deletions

diff --git a/themes/Shader.h b/themes/Shader.h
new file mode 100644
index 0000000..bc81764
--- /dev/null
+++ b/themes/Shader.h
@@ -0,0 +1,64 @@
+#pragma once
+
+#include <GL/glew.h>
+#include <string>
+#include <vector>
+#include "mathlib.h"
+
+typedef GLuint Shader;
+
+Shader loadShader(const GLchar* vertexShader, const GLchar* fragmentShader);
+
+inline GLint getShaderUniform(const Shader& shader, const GLchar *name) {
+    GLint uid = glGetUniformLocation(shader, name);
+	if (uid < 0) {
+		return -1;
+	}
+	return uid;
+}
+
+inline GLint getShaderAttribute(const Shader& shader, const GLchar *name) {
+	printf("Getting attribute for shader, name: %d, %s\n", shader, name);
+    GLint uid = glGetAttribLocation(shader, name);
+	if (uid < 0) {
+		printf("Unable to get attribute %s for shader %d\n", name, shader);
+		return -1;
+	}
+	return uid;
+}
+
+inline void useShader(const Shader& shader) {
+	glUseProgram(shader);
+}
+
+inline void setShaderFloat(GLint location, GLfloat value) {
+    glUniform1f(location, value);
+}
+
+inline void setShaderInt(GLint location, GLint value) {
+	glUniform1i(location, value);
+}
+
+inline void setShaderUint(GLint location, GLuint value) {
+	glUniform1ui(location, value);
+}
+
+inline void setShaderVec2(GLint location, const Vector2& value) {
+	glUniform2f(location, value.x, value.y);
+}
+
+inline void setShaderMat4(GLint location, const Mat4x4& matrix) {
+	glUniformMatrix4fv(location, 1, GL_FALSE, matrix.m);
+}
+
+inline void setShaderBVec3(GLint location, bool first, bool second, bool third) {
+	glUniform3i(location, first, second, third);
+}
+
+inline void setShaderBVec4(GLint location, bool first, bool second, bool third, bool fourth) {
+	glUniform4i(location, first, second, third, fourth);
+}
+
+inline void setShaderBool(GLint location, bool value) {
+	glUniform1i(location, value);
+}