static enum piglit_result test(void) { GLenum buffers[32]; static const GLfloat dest_color[4] = { 0.75, 0.25, 0.25, 0.5 }; static const GLfloat test_color[4] = { 1.0, 0.25, 0.75, 0.25 }; GLfloat expected[32][4]; int i; create_fbo(); for (i = 0; i < maxBuffers; i++) { buffers[i] = GL_COLOR_ATTACHMENT0_EXT + i; } glDrawBuffersARB(maxBuffers, buffers); /* Setup blend modes and compute expected result color. * We only test two simple blending modes. A more elaborate * test would exercise a much wider variety of modes. */ for (i = 0; i < maxBuffers; i++) { if (i % 2 == 0) { float a; glBlendFunciARB(i, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); a = test_color[3]; expected[i][0] = test_color[0] * a + dest_color[0] * (1.0 - a); expected[i][1] = test_color[1] * a + dest_color[1] * (1.0 - a); expected[i][2] = test_color[2] * a + dest_color[2] * (1.0 - a); expected[i][3] = test_color[3] * a + dest_color[3] * (1.0 - a); } else { glBlendFunciARB(i, GL_ONE, GL_ONE); glBlendEquationiARB(i, GL_FUNC_SUBTRACT); expected[i][0] = test_color[0] - dest_color[0]; expected[i][1] = test_color[1] - dest_color[1]; expected[i][2] = test_color[2] - dest_color[2]; expected[i][3] = test_color[3] - dest_color[3]; } expected[i][0] = CLAMP(expected[i][0], 0.0, 1.0); expected[i][1] = CLAMP(expected[i][1], 0.0, 1.0); expected[i][2] = CLAMP(expected[i][2], 0.0, 1.0); expected[i][3] = CLAMP(expected[i][3], 0.0, 1.0); glEnableIndexedEXT(GL_BLEND, i); } /* query blend modes */ for (i = 0; i < maxBuffers; i++) { GLint p0, p1, p2, p3; glGetIntegerIndexedvEXT(GL_BLEND_SRC, i, &p0); glGetIntegerIndexedvEXT(GL_BLEND_DST, i, &p1); glGetIntegerIndexedvEXT(GL_BLEND_EQUATION, i, &p2); glGetIntegerIndexedvEXT(GL_BLEND, i, &p3); if (i % 2 == 0) { MY_ASSERT(p0 == GL_SRC_ALPHA); MY_ASSERT(p1 == GL_ONE_MINUS_SRC_ALPHA); MY_ASSERT(p2 == GL_FUNC_ADD); } else { MY_ASSERT(p0 == GL_ONE); MY_ASSERT(p1 == GL_ONE); MY_ASSERT(p2 == GL_FUNC_SUBTRACT); } MY_ASSERT(p3 == GL_TRUE); } /* test drawing */ glClearColor(dest_color[0], dest_color[1], dest_color[2], dest_color[3]); glClear(GL_COLOR_BUFFER_BIT); glColor4fv(test_color); piglit_draw_rect(0, 0, piglit_width, piglit_height); for (i = 0; i < maxBuffers; i++) { glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + i); check_error(__LINE__); if (!piglit_probe_pixel_rgba(5, 5, expected[i])) { printf("For color buffer %d\n", i); return PIGLIT_FAIL; } } return PIGLIT_PASS; }
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_NVExplicitMultisample_nglGetIntegerIndexedvEXT(JNIEnv *env, jclass clazz, jint pname, jint index, jobject data, jint data_position, jlong function_pointer) { GLint *data_address = ((GLint *)(*env)->GetDirectBufferAddress(env, data)) + data_position; glGetIntegerIndexedvEXTPROC glGetIntegerIndexedvEXT = (glGetIntegerIndexedvEXTPROC)((intptr_t)function_pointer); glGetIntegerIndexedvEXT(pname, index, data_address); }
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_EXTTransformFeedback_nglGetIntegerIndexedvEXT__IIJ(JNIEnv *__env, jclass clazz, jint target, jint index, jlong dataAddress) { glGetIntegerIndexedvEXTPROC glGetIntegerIndexedvEXT = (glGetIntegerIndexedvEXTPROC)tlsGetFunction(1686); intptr_t data = (intptr_t)dataAddress; UNUSED_PARAM(clazz) glGetIntegerIndexedvEXT(target, index, data); }