nice

src/td/render/shader/WorldShader.cpp

@@ -0,0 +1,102 @@
+#include <td/render/shader/WorldShader.h>
+
+namespace td {
+namespace shader {
+
+// TODO: GLES Shaders
+
+#ifdef __ANDROID__
+static const char vertexSource[] =
+R"(#version 300 es
+
+precision mediump float;
+
+layout(location = 0) in vec3 position;
+layout(location = 1) in int color;
+
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+
+flat out int pass_color;
+
+void main(void){
+   	pass_color = color;
+	gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
+}
+)";
+
+static const char fragmentSource[] =
+R"(#version 300 es
+
+precision mediump float;
+
+flat in int pass_color;
+
+out vec4 out_color;
+
+void main(void){
+
+    float r = float(pass_color >> 24 & 0xFF) / 255.0;
+    float g = float(pass_color >> 16 & 0xFF) / 255.0;
+    float b = float(pass_color >> 8 & 0xFF) / 255.0;
+    float a = float(pass_color & 0xFF) / 255.0; 
+	out_color = vec4(r, g, b, a);
+
+}
+)";
+#else
+static const char vertexSource[] = R"(
+#version 330
+
+layout(location = 0) in vec3 position;
+layout(location = 1) in int color;
+
+uniform mat4 viewMatrix;
+uniform mat4 projectionMatrix;
+
+flat out int pass_color;
+
+void main(void){
+   	pass_color = color;
+	gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
+}
+)";
+
+static const char fragmentSource[] = R"(
+#version 330
+
+flat in int pass_color;
+
+out vec4 out_color;
+
+void main(void){
+
+    float r = float(pass_color >> 24 & 0xFF) / 255.0;
+    float g = float(pass_color >> 16 & 0xFF) / 255.0;
+    float b = float(pass_color >> 8 & 0xFF) / 255.0;
+    float a = float(pass_color & 0xFF) / 255.0; 
+	out_color = vec4(r, g, b, a);
+
+}
+)";
+#endif
+
+WorldShader::WorldShader() : ShaderProgram() {
+	ShaderProgram::LoadProgram(vertexSource, fragmentSource);
+}
+
+void WorldShader::GetAllUniformLocation() {
+	m_LocationProjection = static_cast<unsigned int>(GetUniformLocation("projectionMatrix"));
+	m_LocationView = static_cast<unsigned int>(GetUniformLocation("viewMatrix"));
+}
+
+void WorldShader::SetProjectionMatrix(const Mat4f& proj) const {
+	LoadMat4(m_LocationProjection, proj);
+}
+
+void WorldShader::SetViewMatrix(const Mat4f& view) const {
+	LoadMat4(m_LocationView, view);
+}
+
+} // namespace shader
+} // namespace td