* default / window-system FB object.
* If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
* the depth buffer attachment point.
+ * Returns if the attachment is a GL_COLOR_ATTACHMENTm_EXT on
+ * is_color_attachment, because several callers would return different errors
+ * if they don't find the attachment.
*/
static struct gl_renderbuffer_attachment *
get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
+ GLenum attachment, bool *is_color_attachment)
{
GLuint i;
assert(_mesa_is_user_fbo(fb));
+ if (is_color_attachment)
+ *is_color_attachment = false;
+
switch (attachment) {
case GL_COLOR_ATTACHMENT0_EXT:
case GL_COLOR_ATTACHMENT1_EXT:
case GL_COLOR_ATTACHMENT13_EXT:
case GL_COLOR_ATTACHMENT14_EXT:
case GL_COLOR_ATTACHMENT15_EXT:
+ if (is_color_attachment)
+ *is_color_attachment = true;
/* Only OpenGL ES 1.x forbids color attachments other than
* GL_COLOR_ATTACHMENT0. For all other APIs the limit set by the
* hardware is used.
* window-system framebuffer (not user-created framebuffer objects).
*/
static struct gl_renderbuffer_attachment *
-_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
+get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
{
assert(_mesa_is_winsys_fbo(fb));
return &fb->Attachment[BUFFER_BACK_LEFT];
return &fb->Attachment[BUFFER_FRONT_LEFT];
case GL_DEPTH:
- return &fb->Attachment[BUFFER_DEPTH];
+ return &fb->Attachment[BUFFER_DEPTH];
case GL_STENCIL:
return &fb->Attachment[BUFFER_STENCIL];
}
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()");
return;
}
- _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
+ att->Renderbuffer = rb;
/* This can't get called on a texture renderbuffer, so set it to NULL
* for clarity compared to user renderbuffers.
mtx_lock(&fb->Mutex);
- att = get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment, NULL);
assert(att);
if (rb) {
set_renderbuffer_attachment(ctx, att, rb);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* do stencil attachment here (depth already done above) */
- att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT, NULL);
assert(att);
set_renderbuffer_attachment(ctx, att, rb);
}
remove_attachment(ctx, att);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* detach stencil (depth was detached above) */
- att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT, NULL);
assert(att);
remove_attachment(ctx, att);
}
for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
if (fb->ColorDrawBuffer[j] != GL_NONE) {
const struct gl_renderbuffer_attachment *att
- = get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+ = get_attachment(ctx, fb, fb->ColorDrawBuffer[j], NULL);
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
/* Check that the ReadBuffer is present */
if (fb->ColorReadBuffer != GL_NONE) {
const struct gl_renderbuffer_attachment *att
- = get_attachment(ctx, fb, fb->ColorReadBuffer);
+ = get_attachment(ctx, fb, fb->ColorReadBuffer, NULL);
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
GLboolean GLAPIENTRY
_mesa_IsRenderbuffer(GLuint renderbuffer)
{
+ struct gl_renderbuffer *rb;
+
GET_CURRENT_CONTEXT(ctx);
+
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (renderbuffer) {
- struct gl_renderbuffer *rb =
- _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (rb != NULL && rb != &DummyRenderbuffer)
- return GL_TRUE;
- }
- return GL_FALSE;
+
+ rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ return rb != NULL && rb != &DummyRenderbuffer;
}
}
assert(newRb->AllocStorage);
_mesa_HashInsertLocked(ctx->Shared->RenderBuffers, renderbuffer, newRb);
- newRb->RefCount = 1; /* referenced by hash table */
return newRb;
}
framebuffer_parameteri(ctx, fb, pname, param, "glFramebufferParameteri");
}
+static bool
+_pname_valid_for_default_framebuffer(struct gl_context *ctx,
+ GLenum pname)
+{
+ if (!_mesa_is_desktop_gl(ctx))
+ return false;
+
+ switch (pname) {
+ case GL_DOUBLEBUFFER:
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+ case GL_SAMPLES:
+ case GL_SAMPLE_BUFFERS:
+ case GL_STEREO:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void
get_framebuffer_parameteriv(struct gl_context *ctx, struct gl_framebuffer *fb,
GLenum pname, GLint *params, const char *func)
{
+ /* From OpenGL 4.5 spec, section 9.2.3 "Framebuffer Object Queries:
+ *
+ * "An INVALID_OPERATION error is generated by GetFramebufferParameteriv
+ * if the default framebuffer is bound to target and pname is not one
+ * of the accepted values from table 23.73, other than
+ * SAMPLE_POSITION."
+ *
+ * For OpenGL ES, using default framebuffer still raises INVALID_OPERATION
+ * for any pname.
+ */
+ if (_mesa_is_winsys_fbo(fb) &&
+ !_pname_valid_for_default_framebuffer(ctx, pname)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(invalid pname=0x%x for default framebuffer)", func, pname);
+ return;
+ }
+
switch (pname) {
case GL_FRAMEBUFFER_DEFAULT_WIDTH:
*params = fb->DefaultGeometry.Width;
case GL_FRAMEBUFFER_DEFAULT_FIXED_SAMPLE_LOCATIONS:
*params = fb->DefaultGeometry.FixedSampleLocations;
break;
+ case GL_DOUBLEBUFFER:
+ *params = fb->Visual.doubleBufferMode;
+ break;
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
+ *params = _mesa_get_color_read_format(ctx, fb, func);
+ break;
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE:
+ *params = _mesa_get_color_read_type(ctx, fb, func);
+ break;
+ case GL_SAMPLES:
+ *params = _mesa_geometric_samples(fb);
+ break;
+ case GL_SAMPLE_BUFFERS:
+ *params = _mesa_geometric_samples(fb) > 0;
+ break;
+ case GL_STEREO:
+ *params = fb->Visual.stereoMode;
+ break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(pname=0x%x)", func, pname);
return;
}
- /* check framebuffer binding */
- if (_mesa_is_winsys_fbo(fb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetFramebufferParameteriv");
- return;
- }
-
get_framebuffer_parameteriv(ctx, fb, pname, params,
"glGetFramebufferParameteriv");
}
dst_att->Type = src_att->Type;
dst_att->Complete = src_att->Complete;
dst_att->TextureLevel = src_att->TextureLevel;
+ dst_att->CubeMapFace = src_att->CubeMapFace;
dst_att->Zoffset = src_att->Zoffset;
dst_att->Layered = src_att->Layered;
}
const char *caller)
{
struct gl_renderbuffer_attachment *att;
+ bool is_color_attachment;
/* The window-system framebuffer object is immutable */
if (_mesa_is_winsys_fbo(fb)) {
}
/* Not a hash lookup, so we can afford to get the attachment here. */
- att = get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment, &is_color_attachment);
if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
- _mesa_enum_to_string(attachment));
+ if (is_color_attachment) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(invalid color attachment %s)", caller,
+ _mesa_enum_to_string(attachment));
+ } else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(invalid attachment %s)", caller,
+ _mesa_enum_to_string(attachment));
+ }
return;
}
const char *func)
{
struct gl_renderbuffer_attachment *att;
+ bool is_color_attachment;
if (_mesa_is_winsys_fbo(fb)) {
/* Can't attach new renderbuffers to a window system framebuffer */
return;
}
- att = get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment, &is_color_attachment);
if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(invalid attachment %s)", func,
- _mesa_enum_to_string(attachment));
+ /*
+ * From OpenGL 4.5 spec, section 9.2.7 "Attaching Renderbuffer Images to
+ * a Framebuffer":
+ *
+ * "An INVALID_OPERATION error is generated if attachment is COLOR_-
+ * ATTACHMENTm where m is greater than or equal to the value of
+ * MAX_COLOR_- ATTACHMENTS ."
+ *
+ * If we are at this point, is because the attachment is not valid, so
+ * if is_color_attachment is true, is because of the previous reason.
+ */
+ if (is_color_attachment) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(invalid color attachment %s)", func,
+ _mesa_enum_to_string(attachment));
+ } else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(invalid attachment %s)", func,
+ _mesa_enum_to_string(attachment));
+ }
+
return;
}
}
-void
-_mesa_get_framebuffer_attachment_parameter(struct gl_context *ctx,
- struct gl_framebuffer *buffer,
- GLenum attachment, GLenum pname,
- GLint *params, const char *caller)
+static void
+get_framebuffer_attachment_parameter(struct gl_context *ctx,
+ struct gl_framebuffer *buffer,
+ GLenum attachment, GLenum pname,
+ GLint *params, const char *caller)
{
const struct gl_renderbuffer_attachment *att;
+ bool is_color_attachment = false;
GLenum err;
/* The error code for an attachment type of GL_NONE differs between APIs.
}
/* the default / window-system FBO */
- att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
+ att = get_fb0_attachment(ctx, buffer, attachment);
}
else {
/* user-created framebuffer FBO */
- att = get_attachment(ctx, buffer, attachment);
+ att = get_attachment(ctx, buffer, attachment, &is_color_attachment);
}
if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
- _mesa_enum_to_string(attachment));
+ /*
+ * From OpenGL 4.5 spec, section 9.2.3 "Framebuffer Object Queries":
+ *
+ * "An INVALID_OPERATION error is generated if a framebuffer object
+ * is bound to target and attachment is COLOR_ATTACHMENTm where m is
+ * greater than or equal to the value of MAX_COLOR_ATTACHMENTS."
+ *
+ * If we are at this point, is because the attachment is not valid, so
+ * if is_color_attachment is true, is because of the previous reason.
+ */
+ if (is_color_attachment) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid color attachment %s)",
+ caller, _mesa_enum_to_string(attachment));
+ } else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(invalid attachment %s)", caller,
+ _mesa_enum_to_string(attachment));
+ }
return;
}
return;
}
/* the depth and stencil attachments must point to the same buffer */
- depthAtt = get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
- stencilAtt = get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
+ depthAtt = get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT, NULL);
+ stencilAtt = get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT, NULL);
if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(DEPTH/STENCIL attachments differ)", caller);
* either no framebuffer is bound to target; or the default framebuffer
* is bound, attachment is DEPTH or STENCIL, and the number of depth or
* stencil bits, respectively, is zero."
+ *
+ * Note that we don't need explicit checks on DEPTH and STENCIL, because
+ * on the case the spec is pointing, att->Type is already NONE, so we
+ * just need to check att->Type.
*/
- *params = (_mesa_is_winsys_fbo(buffer) &&
- ((attachment != GL_DEPTH && attachment != GL_STENCIL) ||
- (att->Type != GL_NONE)))
- ? GL_FRAMEBUFFER_DEFAULT : att->Type;
+ *params = (_mesa_is_winsys_fbo(buffer) && att->Type != GL_NONE) ?
+ GL_FRAMEBUFFER_DEFAULT : att->Type;
return;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
if (att->Type == GL_RENDERBUFFER_EXT) {
goto invalid_pname_enum;
}
else if (att->Type == GL_NONE) {
- _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
- _mesa_enum_to_string(pname));
+ if (_mesa_is_winsys_fbo(buffer) &&
+ (attachment == GL_DEPTH || attachment == GL_STENCIL)) {
+ *params = GL_LINEAR;
+ } else {
+ _mesa_error(ctx, err, "%s(invalid pname %s)", caller,
+ _mesa_enum_to_string(pname));
+ }
}
else {
if (ctx->Extensions.EXT_framebuffer_sRGB) {
return;
}
- _mesa_get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
- params,
+ get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
+ params,
"glGetFramebufferAttachmentParameteriv");
}
buffer = ctx->WinSysDrawBuffer;
}
- _mesa_get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
- params,
+ get_framebuffer_attachment_parameter(ctx, buffer, attachment, pname,
+ params,
"glGetNamedFramebufferAttachmentParameteriv");
}