/**
* Load non-mipmapped 3D texture of the given size
* and check whether it is rendered correctly.
*/
static void test_simple(int w, int h, int d, GLenum format)
{
int size;
unsigned char *data;
int i;
int success = 1;
assert(1 <= w && w <= 16);
assert(1 <= h && h <= 16);
assert(1 <= d && d <= 16);
assert(format == GL_RGBA || format == GL_RGB || format == GL_ALPHA);
size = w*h*d*nrcomponents(format);
data = (unsigned char*)malloc(size);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
srand(size); /* Generate reproducible image data */
for(i = 0; i < size; ++i)
data[i] = rand() & 255;
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage3D(GL_TEXTURE_3D, 0, format, w, h, d, 0, format, GL_UNSIGNED_BYTE, data);
success = success && render_and_check(w, h, d, format, 1.0, data, "Render 3D texture");
success = success && render_and_check(w, h, d, format, 1.4, data, "Render 3D texture (q != 1.0)");
free(data);
if (!success) {
fprintf(stderr, "Failure with texture size %ix%ix%i, format = %s\n",
w, h, d, formatname(format));
piglit_report_result(PIGLIT_FAIL);
}
}
/* Run through multiple variants to detect mrt settings
*/
static void test(unsigned w, unsigned h, unsigned cpp, GLenum ifmt, GLenum fmt, GLenum type, int mipmap)
{
GLint width, height;
GLuint fbo, fbotex;
GLenum mrt_bufs[] = {GL_COLOR_ATTACHMENT0};
GLfloat quad_color[] = {1.0, 0.0, 0.0, 1.0};
GLfloat vertices[] = {
-0.45, -0.75, 0.1,
0.45, -0.75, 0.1,
-0.45, 0.75, 0.1,
0.45, 0.75, 0.1 };
EGLSurface surface;
////////////////////////////////////////////
// calculate ubwc layout, see:
// https://android.googlesource.com/platform/hardware/qcom/display/+/master/msm8996/libgralloc/alloc_controller.cpp#1057
unsigned block_width, block_height;
switch (cpp) {
case 2:
case 4:
block_width = 16;
block_height = 4;
break;
case 8:
block_width = 8;
block_height = 4;
break;
case 16:
block_width = 4;
block_height = 4;
break;
default:
DEBUG_MSG("invalid cpp: %u", cpp);
return;
}
// div_round_up():
unsigned aligned_height = (h + block_height - 1) / block_height;
unsigned aligned_width = (w + block_width - 1) / block_width;
// Align meta buffer height to 16 blocks
unsigned meta_height = ALIGN(aligned_height, 16);
// Align meta buffer width to 64 blocks
unsigned meta_width = ALIGN(aligned_width, 64);
// Align meta buffer size to 4K
unsigned meta_size = ALIGN((meta_width * meta_height), 4096);
////////////////////////////////////////////
RD_START(mipmap ? "ubwc-layout-mipmap" : "ubwc-layout",
"%dx%d, ifmt=%s, fmt=%s, type=%s, meta=%ux%u@0x%x (%ux%u)", w, h,
formatname(fmt), formatname(ifmt), typename(type),
meta_width, meta_height, meta_size, aligned_width, aligned_height);
display = get_display();
/* get an appropriate EGL frame buffer configuration */
ECHK(eglChooseConfig(display, config_attribute_list, &config, 1, &num_config));
DEBUG_MSG("num_config: %d", num_config);
/* create an EGL rendering context */
ECHK(context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attribute_list));
surface = make_window(display, config, w, h);
ECHK(eglQuerySurface(display, surface, EGL_WIDTH, &width));
ECHK(eglQuerySurface(display, surface, EGL_HEIGHT, &height));
DEBUG_MSG("Buffer: %dx%d", width, height);
/* connect the context to the surface */
ECHK(eglMakeCurrent(display, surface, surface, context));
program = get_program(vertex_shader_source, fragment_shader_source);
GCHK(glBindAttribLocation(program, 0, "aPosition"));
link_program(program);
GCHK(glGenFramebuffers(1, &fbo));
GCHK(glGenTextures(1, &fbotex));
GCHK(glBindFramebuffer(GL_FRAMEBUFFER, fbo));
GCHK(glBindTexture(GL_TEXTURE_2D, fbotex));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
GCHK(glTexImage2D(GL_TEXTURE_2D, 0, ifmt, width, height, 0, fmt, type, 0));
GCHK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, fbotex, 0));
DEBUG_MSG("status=%04x", glCheckFramebufferStatus(GL_FRAMEBUFFER));
GCHK(glBindFramebuffer(GL_FRAMEBUFFER, fbo));
GCHK(glViewport(0, 0, width, height));
GCHK(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vertices));
GCHK(glEnableVertexAttribArray(0));
/* now set up our uniform. */
GCHK(uniform_location = glGetUniformLocation(program, "uColor"));
GCHK(glDrawBuffers(1, mrt_bufs));
// glClearColor(0.25, 0.5, 0.75, 1.0);
// GCHK(glClear(GL_COLOR_BUFFER_BIT));
GCHK(glUniform4fv(uniform_location, 1, quad_color));
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
/* clear any errors, in case it wasn't a renderable format: */
while (glGetError() != GL_NO_ERROR) {}
GCHK(glFlush());
/* switch back to back buffer: */
GCHK(glBindFramebuffer(GL_FRAMEBUFFER, 0));
program = get_program(vertex_shader_source_sam, fragment_shader_source_sam);
GCHK(glBindAttribLocation(program, 0, "aPosition"));
link_program(program);
GCHK(glActiveTexture(GL_TEXTURE0));
GCHK(glBindTexture(GL_TEXTURE_2D, fbotex));
if (mipmap) {
GCHK(glGenerateMipmap(GL_TEXTURE_2D));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR));
} else {
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
}
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT));
GCHK(texture_handle = glGetUniformLocation(program, "uTexture"));
GCHK(glUniform1i(texture_handle, 0)); /* '0' refers to texture unit 0. */
GCHK(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vertices));
GCHK(glEnableVertexAttribArray(0));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
ECHK(eglSwapBuffers(display, surface));
GCHK(glFlush());
ECHK(eglDestroySurface(display, surface));
ECHK(eglTerminate(display));
RD_END();
}
void test_cube_textured(GLint mag_filter, GLint min_filter,
GLint wrap_s, GLint wrap_t, GLint wrap_r, GLenum format, GLenum type)
{
GLint width, height;
GLint modelviewmatrix_handle, modelviewprojectionmatrix_handle, normalmatrix_handle;
GLuint texturename = 0, texture_handle;
GLfloat vVertices[] = {
// front
-1.0f, -1.0f, +1.0f, // point blue
+1.0f, -1.0f, +1.0f, // point magenta
-1.0f, +1.0f, +1.0f, // point cyan
+1.0f, +1.0f, +1.0f, // point white
// back
+1.0f, -1.0f, -1.0f, // point red
-1.0f, -1.0f, -1.0f, // point black
+1.0f, +1.0f, -1.0f, // point yellow
-1.0f, +1.0f, -1.0f, // point green
// right
+1.0f, -1.0f, +1.0f, // point magenta
+1.0f, -1.0f, -1.0f, // point red
+1.0f, +1.0f, +1.0f, // point white
+1.0f, +1.0f, -1.0f, // point yellow
// left
-1.0f, -1.0f, -1.0f, // point black
-1.0f, -1.0f, +1.0f, // point blue
-1.0f, +1.0f, -1.0f, // point green
-1.0f, +1.0f, +1.0f, // point cyan
// top
-1.0f, +1.0f, +1.0f, // point cyan
+1.0f, +1.0f, +1.0f, // point white
-1.0f, +1.0f, -1.0f, // point green
+1.0f, +1.0f, -1.0f, // point yellow
// bottom
-1.0f, -1.0f, -1.0f, // point black
+1.0f, -1.0f, -1.0f, // point red
-1.0f, -1.0f, +1.0f, // point blue
+1.0f, -1.0f, +1.0f // point magenta
};
GLfloat vTexCoords[] = {
//front
1.0f, 1.0f, //point blue
0.0f, 1.0f, //point magenta
1.0f, 0.0f, //point cyan
0.0f, 0.0f, //point white
//back
1.0f, 1.0f, //point red
0.0f, 1.0f, //point black
1.0f, 0.0f, //point yellow
0.0f, 0.0f, //point green
//right
1.0f, 1.0f, //point magenta
0.0f, 1.0f, //point red
1.0f, 0.0f, //point white
0.0f, 0.0f, //point yellow
//left
1.0f, 1.0f, //point black
0.0f, 1.0f, //point blue
1.0f, 0.0f, //point green
0.0f, 0.0f, //point cyan
//top
1.0f, 1.0f, //point cyan
0.0f, 1.0f, //point white
1.0f, 0.0f, //point green
0.0f, 0.0f, //point yellow
//bottom
1.0f, 0.0f, //point black
0.0f, 0.0f, //point red
1.0f, 1.0f, //point blue
0.0f, 1.0f, //point magenta
};
GLfloat vNormals[] = {
// front
+0.0f, +0.0f, +1.0f, // forward
+0.0f, +0.0f, +1.0f, // forward
+0.0f, +0.0f, +1.0f, // forward
+0.0f, +0.0f, +1.0f, // forward
// back
+0.0f, +0.0f, -1.0f, // backbard
+0.0f, +0.0f, -1.0f, // backbard
+0.0f, +0.0f, -1.0f, // backbard
+0.0f, +0.0f, -1.0f, // backbard
// right
+1.0f, +0.0f, +0.0f, // right
+1.0f, +0.0f, +0.0f, // right
+1.0f, +0.0f, +0.0f, // right
+1.0f, +0.0f, +0.0f, // right
// left
-1.0f, +0.0f, +0.0f, // left
-1.0f, +0.0f, +0.0f, // left
-1.0f, +0.0f, +0.0f, // left
-1.0f, +0.0f, +0.0f, // left
// top
+0.0f, +1.0f, +0.0f, // up
+0.0f, +1.0f, +0.0f, // up
+0.0f, +1.0f, +0.0f, // up
+0.0f, +1.0f, +0.0f, // up
// bottom
+0.0f, -1.0f, +0.0f, // down
+0.0f, -1.0f, +0.0f, // down
+0.0f, -1.0f, +0.0f, // down
+0.0f, -1.0f, +0.0f // down
};
EGLSurface surface;
const int texwidth = 333;
const int texheight = 222;
static uint8_t *buf = NULL;
if (!buf) {
int i;
buf = malloc(texwidth * texheight * 16);
for (i = 0; i < (texwidth * texheight * 16); i++)
buf[i] = i;
}
RD_START("cube-textured", "mag_filter=%04x, min_filter=%04x, "
"wrap_s=%04x, wrap_t=%04x, wrap_r=%04x, format=%s, type=%s",
mag_filter, min_filter, wrap_s, wrap_t, wrap_r,
formatname(format), typename(type));
display = get_display();
/* get an appropriate EGL frame buffer configuration */
ECHK(eglChooseConfig(display, config_attribute_list, &config, 1, &num_config));
DEBUG_MSG("num_config: %d", num_config);
/* create an EGL rendering context */
ECHK(context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attribute_list));
surface = make_window(display, config, 256, 256);
ECHK(eglQuerySurface(display, surface, EGL_WIDTH, &width));
ECHK(eglQuerySurface(display, surface, EGL_HEIGHT, &height));
DEBUG_MSG("Buffer: %dx%d", width, height);
/* connect the context to the surface */
ECHK(eglMakeCurrent(display, surface, surface, context));
program = get_program(vertex_shader_source, fragment_shader_source);
GCHK(glBindAttribLocation(program, 0, "in_position"));
GCHK(glBindAttribLocation(program, 1, "in_normal"));
GCHK(glBindAttribLocation(program, 2, "in_TexCoord"));
link_program(program);
GCHK(glViewport(0, 0, width, height));
/* clear the color buffer */
GCHK(glClearColor(0.5, 0.5, 0.5, 1.0));
GCHK(glClear(GL_COLOR_BUFFER_BIT));
GCHK(glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vVertices));
GCHK(glEnableVertexAttribArray(0));
GCHK(glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 0, vNormals));
GCHK(glEnableVertexAttribArray(1));
GCHK(glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 0, vTexCoords));
GCHK(glEnableVertexAttribArray(2));
ESMatrix modelview;
esMatrixLoadIdentity(&modelview);
esTranslate(&modelview, 0.0f, 0.0f, -8.0f);
esRotate(&modelview, 45.0f, 1.0f, 0.0f, 0.0f);
esRotate(&modelview, 45.0f, 0.0f, 1.0f, 0.0f);
esRotate(&modelview, 10.0f, 0.0f, 0.0f, 1.0f);
GLfloat aspect = (GLfloat)(height) / (GLfloat)(width);
ESMatrix projection;
esMatrixLoadIdentity(&projection);
esFrustum(&projection, -2.8f, +2.8f, -2.8f * aspect, +2.8f * aspect, 6.0f, 10.0f);
ESMatrix modelviewprojection;
esMatrixLoadIdentity(&modelviewprojection);
esMatrixMultiply(&modelviewprojection, &modelview, &projection);
float normal[9];
normal[0] = modelview.m[0][0];
normal[1] = modelview.m[0][1];
normal[2] = modelview.m[0][2];
normal[3] = modelview.m[1][0];
normal[4] = modelview.m[1][1];
normal[5] = modelview.m[1][2];
normal[6] = modelview.m[2][0];
normal[7] = modelview.m[2][1];
normal[8] = modelview.m[2][2];
GCHK(glActiveTexture(GL_TEXTURE0));
GCHK(glGenTextures(1, &texturename));
GCHK(glBindTexture(GL_TEXTURE_2D, texturename));
GCHK(glTexImage2D(GL_TEXTURE_2D, 0, format, texwidth, texheight,
0, format, type, buf));
/* Note: cube turned black until these were defined. */
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R_OES, wrap_r));
GCHK(modelviewmatrix_handle = glGetUniformLocation(program, "modelviewMatrix"));
GCHK(modelviewprojectionmatrix_handle = glGetUniformLocation(program, "modelviewprojectionMatrix"));
GCHK(normalmatrix_handle = glGetUniformLocation(program, "normalMatrix"));
GCHK(texture_handle = glGetUniformLocation(program, "uTexture"));
GCHK(glUniformMatrix4fv(modelviewmatrix_handle, 1, GL_FALSE, &modelview.m[0][0]));
GCHK(glUniformMatrix4fv(modelviewprojectionmatrix_handle, 1, GL_FALSE, &modelviewprojection.m[0][0]));
GCHK(glUniformMatrix3fv(normalmatrix_handle, 1, GL_FALSE, normal));
GCHK(glUniform1i(texture_handle, 0)); /* '0' refers to texture unit 0. */
GCHK(glEnable(GL_CULL_FACE));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 4, 4));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 8, 4));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 12, 4));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 16, 4));
GCHK(glDrawArrays(GL_TRIANGLE_STRIP, 20, 4));
ECHK(eglSwapBuffers(display, surface));
GCHK(glFlush());
ECHK(eglDestroySurface(display, surface));
ECHK(eglTerminate(display));
RD_END();
}
/* Run through multiple variants to detect mrt settings
*/
void test_srgb_fbo(GLint ifmt, GLenum fmt, GLenum type)
{
GLint width, height;
GLuint fbo, fbotex;
GLenum mrt_bufs[16];
GLfloat quad_color[] = {1.0, 0.0, 0.0, 1.0};
GLfloat vertices[] = {
-0.45, -0.75, 0.1,
0.45, -0.75, 0.1,
-0.45, 0.75, 0.1,
0.45, 0.75, 0.1 };
EGLSurface surface;
RD_START("srgb-fbo", "fmt=%s (%x), ifmt=%s (%x), type=%s (%x)",
formatname(fmt), fmt,
formatname(ifmt), ifmt,
typename(type), type);
display = get_display();
/* get an appropriate EGL frame buffer configuration */
ECHK(eglChooseConfig(display, config_attribute_list, &config, 1, &num_config));
DEBUG_MSG("num_config: %d", num_config);
/* create an EGL rendering context */
ECHK(context = eglCreateContext(display, config, EGL_NO_CONTEXT, context_attribute_list));
surface = make_window(display, config, 64, 64);
ECHK(eglQuerySurface(display, surface, EGL_WIDTH, &width));
ECHK(eglQuerySurface(display, surface, EGL_HEIGHT, &height));
DEBUG_MSG("Buffer: %dx%d", width, height);
/* connect the context to the surface */
ECHK(eglMakeCurrent(display, surface, surface, context));
program = get_program(vertex_shader_source, fragment_shader_source);
GCHK(glBindAttribLocation(program, 0, "aPosition"));
link_program(program);
GCHK(glGenFramebuffers(1, &fbo));
GCHK(glGenTextures(1, &fbotex));
GCHK(glBindFramebuffer(GL_FRAMEBUFFER, fbo));
GCHK(glBindTexture(GL_TEXTURE_2D, fbotex));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GCHK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
GCHK(glTexImage2D(GL_TEXTURE_2D, 0, ifmt, width, height, 0, fmt, type, 0));
GCHK(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, fbotex, 0));
DEBUG_MSG("status=%04x", glCheckFramebufferStatus(GL_FRAMEBUFFER));
GCHK(glBindFramebuffer(GL_FRAMEBUFFER, fbo));
GCHK(glDrawBuffers(1, (const GLenum[]){GL_COLOR_ATTACHMENT0}));