att->Complete = GL_TRUE;
}
+/**
+ * Verify a couple error conditions that will lead to an incomplete FBO and
+ * may cause problems for the driver's RenderTexture path.
+ */
+static bool
+driver_RenderTexture_is_safe(const struct gl_renderbuffer_attachment *att)
+{
+ const struct gl_texture_image *const texImage =
+ att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+
+ if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
+ return false;
+
+ if ((texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY
+ && att->Zoffset >= texImage->Height)
+ || (texImage->TexObject->Target != GL_TEXTURE_1D_ARRAY
+ && att->Zoffset >= texImage->Depth))
+ return false;
+
+ return true;
+}
+
/**
* Create a renderbuffer which will be set up by the driver to wrap the
* texture image slice.
struct gl_renderbuffer *rb;
texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
- if (!texImage)
- return;
rb = att->Renderbuffer;
if (!rb) {
rb->NeedsFinishRenderTexture = ctx->Driver.FinishRenderTexture != NULL;
}
+ if (!texImage)
+ return;
+
rb->_BaseFormat = texImage->_BaseFormat;
rb->Format = texImage->TexFormat;
rb->InternalFormat = texImage->InternalFormat;
rb->NumSamples = texImage->NumSamples;
rb->TexImage = texImage;
- ctx->Driver.RenderTexture(ctx, fb, att);
+ if (driver_RenderTexture_is_safe(att))
+ ctx->Driver.RenderTexture(ctx, fb, att);
}
/**
}
if (texImage->Width < 1 || texImage->Height < 1) {
att_incomplete("teximage width/height=0");
- printf("texobj = %u\n", texObj->Name);
- printf("level = %d\n", att->TextureLevel);
att->Complete = GL_FALSE;
return;
}
- if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
- att_incomplete("bad z offset");
- att->Complete = GL_FALSE;
- return;
+
+ switch (texObj->Target) {
+ case GL_TEXTURE_3D:
+ if (att->Zoffset >= texImage->Depth) {
+ att_incomplete("bad z offset");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ if (att->Zoffset >= texImage->Height) {
+ att_incomplete("bad 1D-array layer");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ if (att->Zoffset >= texImage->Depth) {
+ att_incomplete("bad 2D-array layer");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ break;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ if (att->Zoffset >= texImage->Depth) {
+ att_incomplete("bad cube-array layer");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ break;
}
baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
}
-void GLAPIENTRY
-_mesa_BindRenderbuffer(GLenum target, GLuint renderbuffer)
+static void
+bind_renderbuffer(GLenum target, GLuint renderbuffer, bool allow_user_names)
{
struct gl_renderbuffer *newRb;
GET_CURRENT_CONTEXT(ctx);
/* ID was reserved, but no real renderbuffer object made yet */
newRb = NULL;
}
- else if (!newRb
- && _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.ARB_framebuffer_object) {
+ else if (!newRb && !allow_user_names) {
/* All RB IDs must be Gen'd */
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
return;
_mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
}
+void GLAPIENTRY
+_mesa_BindRenderbuffer(GLenum target, GLuint renderbuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* OpenGL ES glBindRenderbuffer and glBindRenderbufferOES use this same
+ * entry point, but they allow the use of user-generated names.
+ */
+ bind_renderbuffer(target, renderbuffer, _mesa_is_gles(ctx));
+}
+
+void GLAPIENTRY
+_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
+{
+ /* This function should not be in the dispatch table for core profile /
+ * OpenGL 3.1, so execution should never get here in those cases -- no
+ * need for an explicit test.
+ */
+ bind_renderbuffer(target, renderbuffer, true);
+}
+
/**
- * If the given renderbuffer is anywhere attached to the framebuffer, detach
- * the renderbuffer.
- * This is used when a renderbuffer object is deleted.
- * The spec calls for unbinding.
+ * Remove the specified renderbuffer or texture from any attachment point in
+ * the framebuffer.
+ *
+ * \returns
+ * \c true if the renderbuffer was detached from an attachment point. \c
+ * false otherwise.
*/
-static void
-detach_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer *rb)
+bool
+_mesa_detach_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ const void *att)
{
- GLuint i;
+ unsigned i;
+ bool progress = false;
+
for (i = 0; i < BUFFER_COUNT; i++) {
- if (fb->Attachment[i].Renderbuffer == rb) {
+ if (fb->Attachment[i].Texture == att
+ || fb->Attachment[i].Renderbuffer == att) {
_mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ progress = true;
}
}
- invalidate_framebuffer(fb);
+
+ /* Section 4.4.4 (Framebuffer Completeness), subsection "Whole Framebuffer
+ * Completeness," of the OpenGL 3.1 spec says:
+ *
+ * "Performing any of the following actions may change whether the
+ * framebuffer is considered complete or incomplete:
+ *
+ * ...
+ *
+ * - Deleting, with DeleteTextures or DeleteRenderbuffers, an object
+ * containing an image that is attached to a framebuffer object
+ * that is bound to the framebuffer."
+ */
+ if (progress)
+ invalidate_framebuffer(fb);
+
+ return progress;
}
_mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, 0);
}
+ /* Section 4.4.2 (Attaching Images to Framebuffer Objects),
+ * subsection "Attaching Renderbuffer Images to a Framebuffer," of
+ * the OpenGL 3.1 spec says:
+ *
+ * "If a renderbuffer object is deleted while its image is
+ * attached to one or more attachment points in the currently
+ * bound framebuffer, then it is as if FramebufferRenderbuffer
+ * had been called, with a renderbuffer of 0, for each
+ * attachment point to which this image was attached in the
+ * currently bound framebuffer. In other words, this
+ * renderbuffer image is first detached from all attachment
+ * points in the currently bound framebuffer. Note that the
+ * renderbuffer image is specifically not detached from any
+ * non-bound framebuffers. Detaching the image from any
+ * non-bound framebuffers is the responsibility of the
+ * application.
+ */
if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
- detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
+ _mesa_detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
}
if (_mesa_is_user_fbo(ctx->ReadBuffer)
&& ctx->ReadBuffer != ctx->DrawBuffer) {
- detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
+ _mesa_detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
}
/* Remove from hash table immediately, to free the ID.
for (i = 0; i < BUFFER_COUNT; i++) {
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Texture && att->Renderbuffer->TexImage) {
+ if (att->Texture && att->Renderbuffer->TexImage
+ && driver_RenderTexture_is_safe(att)) {
ctx->Driver.RenderTexture(ctx, fb, att);
}
}
}
-void GLAPIENTRY
-_mesa_BindFramebuffer(GLenum target, GLuint framebuffer)
+static void
+bind_framebuffer(GLenum target, GLuint framebuffer, bool allow_user_names)
{
struct gl_framebuffer *newDrawFb, *newReadFb;
struct gl_framebuffer *oldDrawFb, *oldReadFb;
/* ID was reserved, but no real framebuffer object made yet */
newDrawFb = NULL;
}
- else if (!newDrawFb
- && _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.ARB_framebuffer_object) {
+ else if (!newDrawFb && !allow_user_names) {
/* All FBO IDs must be Gen'd */
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
return;
}
}
+void GLAPIENTRY
+_mesa_BindFramebuffer(GLenum target, GLuint framebuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* OpenGL ES glBindFramebuffer and glBindFramebufferOES use this same entry
+ * point, but they allow the use of user-generated names.
+ */
+ bind_framebuffer(target, framebuffer, _mesa_is_gles(ctx));
+}
+
+void GLAPIENTRY
+_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+{
+ /* This function should not be in the dispatch table for core profile /
+ * OpenGL 3.1, so execution should never get here in those cases -- no
+ * need for an explicit test.
+ */
+ bind_framebuffer(target, framebuffer, true);
+}
void GLAPIENTRY
_mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
}
if (_mesa_is_winsys_fbo(buffer)) {
- /* The window system / default framebuffer is always complete */
- return GL_FRAMEBUFFER_COMPLETE_EXT;
+ /* EGL_KHR_surfaceless_context allows the winsys FBO to be incomplete. */
+ if (buffer != &IncompleteFramebuffer) {
+ return GL_FRAMEBUFFER_COMPLETE_EXT;
+ } else {
+ return GL_FRAMEBUFFER_UNDEFINED;
+ }
}
/* No need to flush here */
{
GET_CURRENT_CONTEXT(ctx);
- if (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4) {
+ if (_mesa_has_geometry_shaders(ctx)) {
framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
level, 0, GL_TRUE);
} else {
"%s(attachment >= max. color attachments)", name);
return;
}
+ break;
}
default:
goto invalid_enum;
projects / mesa.git / blobdiff