dumpTextureImage(JSONWriter &json, GLenum target, GLint level)
{
GLint width, height = 1, depth = 1;
+ GLint format;
+
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_INTERNAL_FORMAT, &format);
width = 0;
glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH, &width);
GLint active_texture = GL_TEXTURE0;
glGetIntegerv(GL_ACTIVE_TEXTURE, &active_texture);
- snprintf(label, sizeof label, "%s, %s, level = %i", enumToString(active_texture), enumToString(target), level);
+ snprintf(label, sizeof label, "%s, %s, %s, %d level",
+ enumToString(active_texture), enumToString(target), enumToString(format), level);
json.beginMember(label);
}
+static GLint
+getTextureLevelFormat(GLint texture, GLint level)
+{
+ GLenum target;
+ GLint bound_texture = 0;
+ if (!bindTexture(texture, target, bound_texture)) {
+ return GL_NONE;
+ }
+
+ GLint format = GL_NONE;
+ glGetTexLevelParameteriv(target, level, GL_TEXTURE_INTERNAL_FORMAT, &format);
+
+ glBindTexture(target, bound_texture);
+
+ return format;
+}
+
+
+
static bool
getRenderbufferSize(GLint renderbuffer, GLint *width, GLint *height)
{
}
+
+static GLint
+getFramebufferAttachmentFormat(GLenum target, GLenum attachment)
+{
+ GLint object_type = GL_NONE;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE,
+ &object_type);
+ if (object_type == GL_NONE) {
+ return GL_NONE;
+ }
+
+ GLint object_name = 0;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
+ &object_name);
+ if (object_name == 0) {
+ return GL_NONE;
+ }
+
+ if (object_type == GL_RENDERBUFFER) {
+ GLint format = GL_NONE;
+ glGetRenderbufferParameteriv(object_name, GL_RENDERBUFFER_INTERNAL_FORMAT,
+ &format);
+ return format;
+ } else if (object_type == GL_TEXTURE) {
+ GLint texture_level = 0;
+ glGetFramebufferAttachmentParameteriv(target, attachment,
+ GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL,
+ &texture_level);
+
+ GLint format = getTextureLevelFormat(object_name, texture_level);
+ return format;
+ } else {
+ std::cerr << "warning: unexpected GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE = " << object_type << "\n";
+ return GL_NONE;
+ }
+}
+
+
+
image::Image *
getDrawBufferImage(GLenum format) {
GLint channels = __gl_format_channels(format);
return;
}
- json.beginMember(enumToString(attachment));
+ GLint internalFormat = getFramebufferAttachmentFormat(target, attachment);
+ std::stringstream ss;
+ ss << enumToString(attachment);
+ if (internalFormat != GL_NONE) {
+ ss << ", ";
+ ss << enumToString(internalFormat);
+ }
+
+ json.beginMember(ss.str());
dumpReadBufferImage(json, width, height, format);
json.endMember();
}