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->Width = texImage->Width2;
rb->Height = texImage->Height2;
+ rb->Depth = texImage->Depth2;
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);
if (baseFormat == GL_DEPTH_COMPONENT) {
/* OK */
}
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
+ else if (ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL) {
/* OK */
}
else {
}
else {
ASSERT(format == GL_STENCIL);
- if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
+ if (ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL) {
/* OK */
}
else {
if (baseFormat == GL_DEPTH_COMPONENT) {
/* OK */
}
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
+ else if (baseFormat == GL_DEPTH_STENCIL) {
/* OK */
}
else {
}
else {
assert(format == GL_STENCIL);
- if (baseFormat == GL_STENCIL_INDEX) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
+ if (baseFormat == GL_STENCIL_INDEX ||
+ baseFormat == GL_DEPTH_STENCIL) {
/* OK */
}
else {
GLint fixedSampleLocations = -1;
GLint i;
GLuint j;
- bool layer_count_valid = false;
- GLuint layer_count = 0, att_layer_count;
+ /* Covers max_layer_count, is_layered, and layer_tex_target */
+ bool layer_info_valid = false;
+ GLuint max_layer_count = 0, att_layer_count;
+ bool is_layered;
+ GLenum layer_tex_target = 0;
assert(_mesa_is_user_fbo(fb));
struct gl_renderbuffer_attachment *att;
GLenum f;
gl_format attFormat;
+ GLenum att_tex_target = GL_NONE;
/*
* XXX for ARB_fbo, only check color buffers that are named by
*/
if (att->Type == GL_TEXTURE) {
const struct gl_texture_image *texImg = att->Renderbuffer->TexImage;
+ att_tex_target = att->Texture->Target;
minWidth = MIN2(minWidth, texImg->Width);
maxWidth = MAX2(maxWidth, texImg->Width);
minHeight = MIN2(minHeight, texImg->Height);
}
/* Check that layered rendering is consistent. */
- att_layer_count = att->Layered ? att->Renderbuffer->Depth : 0;
- if (!layer_count_valid) {
- layer_count = att_layer_count;
- layer_count_valid = true;
- } else if (layer_count != att_layer_count) {
- if (layer_count == 0 || att_layer_count == 0) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS;
- fbo_incomplete(ctx, "framebuffer attachment layer mode is inconsistent", i);
- } else {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_LAYER_COUNT_ARB;
- fbo_incomplete(ctx, "framebuffer attachment layer count is inconsistent", i);
- }
+ if (att->Layered) {
+ if (att_tex_target == GL_TEXTURE_CUBE_MAP)
+ att_layer_count = 6;
+ else
+ att_layer_count = att->Renderbuffer->Depth;
+ } else {
+ att_layer_count = 0;
+ }
+ if (!layer_info_valid) {
+ is_layered = att->Layered;
+ max_layer_count = att_layer_count;
+ layer_tex_target = att_tex_target;
+ layer_info_valid = true;
+ } else if (max_layer_count > 0 && layer_tex_target != att_tex_target) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS;
+ fbo_incomplete(ctx, "layered framebuffer has mismatched targets", i);
+ return;
+ } else if (is_layered != att->Layered) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS;
+ fbo_incomplete(ctx, "framebuffer attachment layer mode is inconsistent", i);
return;
+ } else if (att_layer_count > max_layer_count) {
+ max_layer_count = att_layer_count;
}
}
- fb->Layered = layer_count > 0;
+ fb->MaxNumLayers = max_layer_count;
if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
/* Check that all DrawBuffers are present */
/**
- * 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.
case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT24:
return GL_DEPTH_COMPONENT;
- case GL_DEPTH_STENCIL_EXT:
- return _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.EXT_packed_depth_stencil
- ? GL_DEPTH_STENCIL_EXT : 0;
- case GL_DEPTH24_STENCIL8_EXT:
- return ctx->Extensions.EXT_packed_depth_stencil
- ? GL_DEPTH_STENCIL_EXT : 0;
+ case GL_DEPTH_STENCIL:
+ return _mesa_is_desktop_gl(ctx) ? GL_DEPTH_STENCIL : 0;
+ case GL_DEPTH24_STENCIL8:
+ return GL_DEPTH_STENCIL;
case GL_DEPTH_COMPONENT32F:
return ctx->Version >= 30
|| (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_buffer_float)
return ctx->API == API_OPENGL_COMPAT &&
ctx->Extensions.EXT_texture_snorm &&
ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+ case GL_LUMINANCE_SNORM:
+ case GL_LUMINANCE8_SNORM:
+ case GL_LUMINANCE16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_LUMINANCE : 0;
+ case GL_LUMINANCE_ALPHA_SNORM:
+ case GL_LUMINANCE8_ALPHA8_SNORM:
+ case GL_LUMINANCE16_ALPHA16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_LUMINANCE_ALPHA : 0;
+ case GL_INTENSITY_SNORM:
+ case GL_INTENSITY8_SNORM:
+ case GL_INTENSITY16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_INTENSITY : 0;
+
case GL_R16F:
case GL_R32F:
return ((_mesa_is_desktop_gl(ctx) &&
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_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+_mesa_BindFramebuffer(GLenum target, GLuint framebuffer)
{
- _mesa_BindFramebuffer(target, 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)
/**
* Common code called by glFramebufferTexture1D/2D/3DEXT() and
* glFramebufferTextureLayerEXT().
- * Note: glFramebufferTextureLayerEXT() has no textarget parameter so we'll
- * get textarget=0 in that case.
+ *
+ * \param textarget is the textarget that was passed to the
+ * glFramebufferTexture...() function, or 0 if the corresponding function
+ * doesn't have a textarget parameter.
+ *
+ * \param layered is true if this function was called from
+ * glFramebufferTexture(), false otherwise.
*/
static void
framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
texObj = _mesa_lookup_texture(ctx, texture);
if (texObj != NULL) {
if (textarget == 0) {
- /* If textarget == 0 it means we're being called by
- * glFramebufferTextureLayer() and textarget is not used.
- * The only legal texture types for that function are 3D and
- * 1D/2D arrays textures.
- */
- err = (texObj->Target != GL_TEXTURE_3D) &&
- (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
- (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT) &&
- (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY) &&
- (texObj->Target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
+ if (layered) {
+ /* We're being called by glFramebufferTexture() and textarget
+ * is not used.
+ */
+ switch (texObj->Target) {
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ err = false;
+ break;
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ /* These texture types are valid to pass to
+ * glFramebufferTexture(), but since they aren't layered, it
+ * is equivalent to calling glFramebufferTexture{1D,2D}().
+ */
+ err = false;
+ layered = false;
+ textarget = texObj->Target;
+ break;
+ default:
+ err = true;
+ break;
+ }
+ } else {
+ /* We're being called by glFramebufferTextureLayer() and
+ * textarget is not used. The only legal texture types for
+ * that function are 3D and 1D/2D arrays textures.
+ */
+ err = (texObj->Target != GL_TEXTURE_3D) &&
+ (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
+ (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT) &&
+ (texObj->Target != GL_TEXTURE_CUBE_MAP_ARRAY) &&
+ (texObj->Target != GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
+ }
}
else {
/* Make sure textarget is consistent with the texture's type */
" invalid FBO attachment structure");
}
return;
+ case GL_FRAMEBUFFER_ATTACHMENT_LAYERED:
+ if (!_mesa_has_geometry_shaders(ctx)) {
+ goto invalid_pname_enum;
+ } else if (att->Type == GL_TEXTURE) {
+ *params = att->Layered;
+ } else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
+ "glGetFramebufferAttachmentParameteriv(pname)");
+ } else {
+ goto invalid_pname_enum;
+ }
+ return;
default:
goto invalid_pname_enum;
}
"%s(attachment >= max. color attachments)", name);
return;
}
+ break;
}
default:
goto invalid_enum;
projects / mesa.git / blobdiff