| 139 | } |
| 140 | |
| 141 | void TeapotRenderer::Render() { |
| 142 | // |
| 143 | // Feed Projection and Model View matrices to the shaders |
| 144 | ndk_helper::Mat4 mat_vp = mat_projection_ * mat_view_; |
| 145 | |
| 146 | // Bind the VBO |
| 147 | glBindBuffer(GL_ARRAY_BUFFER, vbo_); |
| 148 | |
| 149 | int32_t iStride = sizeof(TEAPOT_VERTEX); |
| 150 | // Pass the vertex data |
| 151 | glVertexAttribPointer(ATTRIB_VERTEX, 3, GL_FLOAT, GL_FALSE, iStride, nullptr); |
| 152 | glEnableVertexAttribArray(ATTRIB_VERTEX); |
| 153 | |
| 154 | glVertexAttribPointer(ATTRIB_NORMAL, 3, GL_FLOAT, GL_FALSE, iStride, |
| 155 | reinterpret_cast<void*>(3 * sizeof(GLfloat))); |
| 156 | glEnableVertexAttribArray(ATTRIB_NORMAL); |
| 157 | |
| 158 | // Bind the IB |
| 159 | glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_); |
| 160 | |
| 161 | glUseProgram(shader_param_.program_); |
| 162 | |
| 163 | TEAPOT_MATERIALS material = { |
| 164 | {1.0f, 0.5f, 0.5f}, |
| 165 | {1.0f, 1.0f, 1.0f, 10.f}, |
| 166 | {0.1f, 0.1f, 0.1f}, |
| 167 | }; |
| 168 | |
| 169 | // Update uniforms |
| 170 | glUniform4f(shader_param_.material_diffuse_, material.diffuse_color[0], |
| 171 | material.diffuse_color[1], material.diffuse_color[2], 1.f); |
| 172 | |
| 173 | glUniform4f(shader_param_.material_specular_, material.specular_color[0], |
| 174 | material.specular_color[1], material.specular_color[2], |
| 175 | material.specular_color[3]); |
| 176 | // |
| 177 | // using glUniform3fv here was troublesome |
| 178 | // |
| 179 | glUniform3f(shader_param_.material_ambient_, material.ambient_color[0], |
| 180 | material.ambient_color[1], material.ambient_color[2]); |
| 181 | |
| 182 | glUniformMatrix4fv(shader_param_.matrix_projection_, 1, GL_FALSE, |
| 183 | mat_vp.Ptr()); |
| 184 | glUniformMatrix4fv(shader_param_.matrix_view_, 1, GL_FALSE, mat_view_.Ptr()); |
| 185 | glUniform3f(shader_param_.light0_, 100.f, -200.f, -600.f); |
| 186 | |
| 187 | glDrawElements(GL_TRIANGLES, num_indices_, GL_UNSIGNED_SHORT, nullptr); |
| 188 | |
| 189 | glBindBuffer(GL_ARRAY_BUFFER, 0); |
| 190 | glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); |
| 191 | } |
| 192 | |
| 193 | bool TeapotRenderer::LoadShaders(SHADER_PARAMS* params, const char* strVsh, |
| 194 | const char* strFsh) { |