VkImageAspectFlags getAspectFlagsFromFormat(ResourceFormat format)
{
VkImageAspectFlags flags = 0;
if (isDepthFormat(format)) flags |= VK_IMAGE_ASPECT_DEPTH_BIT;
if (isStencilFormat(format)) flags |= VK_IMAGE_ASPECT_STENCIL_BIT;
if (isDepthStencilFormat(format) == false) flags |= VK_IMAGE_ASPECT_COLOR_BIT;
return flags;
}
static inline void
dumpActiveTextureLevel(JSONWriter &json, Context &context, GLenum target, GLint level)
{
ImageDesc desc;
if (!getActiveTextureLevelDesc(context, target, level, desc)) {
return;
}
char label[512];
GLint active_texture = GL_TEXTURE0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
snprintf(label, sizeof label, "%s, %s, level = %d",
enumToString(active_texture), enumToString(target), level);
json.beginMember(label);
json.beginObject();
GLuint channels;
GLenum format;
if (!context.ES && isDepthFormat(desc.internalFormat)) {
format = GL_DEPTH_COMPONENT;
channels = 1;
} else {
format = GL_RGBA;
channels = 4;
}
// Tell the GUI this is no ordinary object, but an image
json.writeStringMember("__class__", "image");
json.writeNumberMember("__width__", desc.width);
json.writeNumberMember("__height__", desc.height);
json.writeNumberMember("__depth__", desc.depth);
json.writeStringMember("__format__", enumToString(desc.internalFormat));
// Hardcoded for now, but we could chose types more adequate to the
// texture internal format
json.writeStringMember("__type__", "uint8");
json.writeBoolMember("__normalized__", true);
json.writeNumberMember("__channels__", channels);
GLubyte *pixels = new GLubyte[desc.depth*desc.width*desc.height*channels];
context.resetPixelPackState();
if (context.ES) {
getTexImageOES(target, level, desc, pixels);
} else {
glGetTexImage(target, level, format, GL_UNSIGNED_BYTE, pixels);
}
context.restorePixelPackState();
json.beginMember("__data__");
char *pngBuffer;
int pngBufferSize;
image::writePixelsToBuffer(pixels, desc.width, desc.height, channels, true, &pngBuffer, &pngBufferSize);
json.writeBase64(pngBuffer, pngBufferSize);
free(pngBuffer);
json.endMember(); // __data__
delete [] pixels;
json.endObject();
}
