#include "texobj.h"
-/** Set this to 1 to debug/log glBlitFramebuffer() calls */
-#define DEBUG_BLIT 0
-
-
/**
* Notes:
*
void
_mesa_init_fbobjects(struct gl_context *ctx)
{
- _glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
- _glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
- _glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
+ mtx_init(&DummyFramebuffer.Mutex, mtx_plain);
+ mtx_init(&DummyRenderbuffer.Mutex, mtx_plain);
+ mtx_init(&IncompleteFramebuffer.Mutex, mtx_plain);
DummyFramebuffer.Delete = delete_dummy_framebuffer;
DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
static struct gl_framebuffer *
get_framebuffer_target(struct gl_context *ctx, GLenum target)
{
- bool have_fb_blit = _mesa_is_gles3(ctx) ||
- (ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx));
+ bool have_fb_blit = _mesa_is_gles3(ctx) || _mesa_is_desktop_gl(ctx);
switch (target) {
case GL_DRAW_FRAMEBUFFER:
return have_fb_blit ? ctx->DrawBuffer : NULL;
* If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
* the depth buffer attachment point.
*/
-struct gl_renderbuffer_attachment *
-_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
+static struct gl_renderbuffer_attachment *
+get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
{
GLuint i;
* Remove any texture or renderbuffer attached to the given attachment
* point. Update reference counts, etc.
*/
-void
-_mesa_remove_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att)
+static void
+remove_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att)
{
struct gl_renderbuffer *rb = att->Renderbuffer;
rb->InternalFormat = texImage->InternalFormat;
rb->Width = texImage->Width2;
rb->Height = texImage->Height2;
+ rb->Depth = texImage->Depth2;
rb->NumSamples = texImage->NumSamples;
rb->TexImage = texImage;
* Bind a texture object to an attachment point.
* The previous binding, if any, will be removed first.
*/
-void
-_mesa_set_texture_attachment(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att,
- struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset,
- GLboolean layered)
+static void
+set_texture_attachment(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset,
+ GLboolean layered)
{
struct gl_renderbuffer *rb = att->Renderbuffer;
}
else {
/* new attachment */
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
att->Type = GL_TEXTURE;
assert(!att->Texture);
_mesa_reference_texobj(&att->Texture, texObj);
* Bind a renderbuffer to an attachment point.
* The previous binding, if any, will be removed first.
*/
-void
-_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att,
- struct gl_renderbuffer *rb)
+static void
+set_renderbuffer_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_renderbuffer *rb)
{
/* XXX check if re-doing same attachment, exit early */
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
att->Type = GL_RENDERBUFFER_EXT;
att->Texture = NULL; /* just to be safe */
att->Complete = GL_FALSE;
{
struct gl_renderbuffer_attachment *att;
- _glthread_LOCK_MUTEX(fb->Mutex);
+ mtx_lock(&fb->Mutex);
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
ASSERT(att);
if (rb) {
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ set_renderbuffer_attachment(ctx, att, rb);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* do stencil attachment here (depth already done above) */
- att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ att = get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
assert(att);
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ set_renderbuffer_attachment(ctx, att, rb);
}
rb->AttachedAnytime = GL_TRUE;
}
else {
- _mesa_remove_attachment(ctx, att);
+ 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);
+ assert(att);
+ remove_attachment(ctx, att);
+ }
}
invalidate_framebuffer(fb);
- _glthread_UNLOCK_MUTEX(fb->Mutex);
+ mtx_unlock(&fb->Mutex);
}
default:
switch (rb->Format) {
/* XXX This list is likely incomplete. */
- case MESA_FORMAT_RGB9_E5_FLOAT:
+ case MESA_FORMAT_R9G9B9E5_FLOAT:
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
return;
default:;
* Is the given base format a legal format for a color renderbuffer?
*/
static GLboolean
-is_format_color_renderable(const struct gl_context *ctx, gl_format format, GLenum internalFormat)
+is_format_color_renderable(const struct gl_context *ctx, mesa_format format,
+ GLenum internalFormat)
{
const GLenum baseFormat =
_mesa_get_format_base_format(format);
break;
}
- if (format == MESA_FORMAT_ARGB2101010 && internalFormat != GL_RGB10_A2) {
+ if (format == MESA_FORMAT_B10G10R10A2_UNORM &&
+ internalFormat != GL_RGB10_A2) {
return GL_FALSE;
}
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 = false;
+ GLenum layer_tex_target = 0;
assert(_mesa_is_user_fbo(fb));
for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
struct gl_renderbuffer_attachment *att;
GLenum f;
- gl_format attFormat;
+ mesa_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);
attFormat = texImg->TexFormat;
numImages++;
- if (!is_format_color_renderable(ctx, attFormat, texImg->InternalFormat) &&
+ if (!is_format_color_renderable(ctx, attFormat,
+ texImg->InternalFormat) &&
!is_legal_depth_format(ctx, f)) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
fbo_incomplete(ctx, "texture attachment incomplete", -1);
}
/* 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 if (att_tex_target == GL_TEXTURE_1D_ARRAY)
+ att_layer_count = att->Renderbuffer->Height;
+ 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 (numImages == 0) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
+ fbo_incomplete(ctx, "no attachments", -1);
+ return;
+ }
if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
/* Check that all DrawBuffers are present */
for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
if (fb->ColorDrawBuffer[j] != GL_NONE) {
const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+ = get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
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
- = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
+ = get_attachment(ctx, fb, fb->ColorReadBuffer);
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
}
}
- if (numImages == 0) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
- fbo_incomplete(ctx, "no attachments", -1);
- return;
- }
-
/* Provisionally set status = COMPLETE ... */
fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
if (renderbuffer) {
- struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ struct gl_renderbuffer *rb =
+ _mesa_lookup_renderbuffer(ctx, renderbuffer);
if (rb != NULL && rb != &DummyRenderbuffer)
return GL_TRUE;
}
for (i = 0; i < BUFFER_COUNT; i++) {
if (fb->Attachment[i].Texture == att
|| fb->Attachment[i].Renderbuffer == att) {
- _mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ remove_attachment(ctx, &fb->Attachment[i]);
progress = true;
}
}
}
/* Section 4.4.2 (Attaching Images to Framebuffer Objects),
- * subsection "Attaching Renderbuffer Images to a Framebuffer," of
- * the OpenGL 3.1 spec says:
+ * 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
GLuint name = first + i;
renderbuffers[i] = name;
/* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_lock(&ctx->Shared->Mutex);
_mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
}
}
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
- return ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_framebuffer_object
- ? GL_ALPHA : 0;
+ return (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_framebuffer_object) ? GL_ALPHA : 0;
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE8:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
- return ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_framebuffer_object
- ? GL_LUMINANCE : 0;
+ return (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_framebuffer_object) ? GL_LUMINANCE : 0;
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
- return ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_framebuffer_object
- ? GL_LUMINANCE_ALPHA : 0;
+ return (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_framebuffer_object) ? GL_LUMINANCE_ALPHA : 0;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY8:
case GL_INTENSITY12:
case GL_INTENSITY16:
- return ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_framebuffer_object
- ? GL_INTENSITY : 0;
+ return (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_framebuffer_object) ? GL_INTENSITY : 0;
case GL_RGB8:
return GL_RGB;
case GL_RGB:
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)
+ || (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_depth_buffer_float)
? GL_DEPTH_COMPONENT : 0;
case GL_DEPTH32F_STENCIL8:
return ctx->Version >= 30
- || (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_depth_buffer_float)
+ || (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_depth_buffer_float)
? GL_DEPTH_STENCIL : 0;
case GL_RED:
case GL_R16:
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) &&
return ctx->API == API_OPENGL_COMPAT &&
ctx->Extensions.ARB_texture_float &&
ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
- case GL_RGB9_E5:
- return (_mesa_is_desktop_gl(ctx)
- && ctx->Extensions.EXT_texture_shared_exponent)
- ? GL_RGB : 0;
case GL_R11F_G11F_B10F:
return ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_packed_float) ||
_mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
/**
- * Helper function used by _mesa_RenderbufferStorage() and
+ * Helper function used by _mesa_RenderbufferStorage() and
* _mesa_RenderbufferStorageMultisample().
* samples will be NO_SAMPLES if called by _mesa_RenderbufferStorage().
*/
* we need to return zero.
*/
static GLint
-get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
+get_component_bits(GLenum pname, GLenum baseFormat, mesa_format format)
{
if (_mesa_base_format_has_channel(baseFormat, pname))
return _mesa_get_format_bits(format, pname);
static void
check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
{
- if (_mesa_is_winsys_fbo(fb))
- return; /* can't render to texture with winsys framebuffers */
+ /* Skip if we know NeedsFinishRenderTexture won't be set. */
+ if (_mesa_is_winsys_fbo(fb) && !ctx->Driver.BindRenderbufferTexImage)
+ return;
if (ctx->Driver.FinishRenderTexture) {
GLuint i;
GLboolean bindReadBuf, bindDrawBuf;
GET_CURRENT_CONTEXT(ctx);
-#ifdef DEBUG
- if (ctx->Extensions.ARB_framebuffer_object) {
- ASSERT(ctx->Extensions.EXT_framebuffer_blit);
- }
-#endif
-
switch (target) {
case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
bindDrawBuf = GL_TRUE;
bindReadBuf = GL_FALSE;
break;
case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
bindDrawBuf = GL_FALSE;
bindReadBuf = GL_TRUE;
break;
bind_framebuffer(target, framebuffer, _mesa_is_gles(ctx));
}
+
void GLAPIENTRY
_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
{
bind_framebuffer(target, framebuffer, true);
}
+
void GLAPIENTRY
_mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
{
ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
/* check if deleting currently bound framebuffer object */
- if (ctx->Extensions.EXT_framebuffer_blit) {
- /* separate draw/read binding points */
- if (fb == ctx->DrawBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
- }
- if (fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER_EXT, 0);
- }
+ if (fb == ctx->DrawBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
- else {
- /* only one binding point for read/draw buffers */
- if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
- }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
/* remove from hash table immediately, to free the ID */
GLuint name = first + i;
framebuffers[i] = name;
/* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_lock(&ctx->Shared->Mutex);
_mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ mtx_unlock(&ctx->Shared->Mutex);
}
}
-
GLenum GLAPIENTRY
_mesa_CheckFramebufferStatus(GLenum target)
{
/**
* 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,
+framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
GLenum attachment, GLenum textarget, GLuint texture,
GLint level, GLint zoffset, GLboolean layered)
{
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 */
}
}
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
if (att == NULL) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferTexture%sEXT(attachment)", caller);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
- _glthread_LOCK_MUTEX(fb->Mutex);
+ mtx_lock(&fb->Mutex);
if (texObj) {
if (attachment == GL_DEPTH_ATTACHMENT &&
texObj == fb->Attachment[BUFFER_STENCIL].Texture &&
reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
BUFFER_DEPTH);
} else {
- _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
+ set_texture_attachment(ctx, fb, att, texObj, textarget,
level, zoffset, layered);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
/* Above we created a new renderbuffer and attached it to the
texObj->_RenderToTexture = GL_TRUE;
}
else {
- _mesa_remove_attachment(ctx, att);
+ remove_attachment(ctx, att);
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
assert(att == &fb->Attachment[BUFFER_DEPTH]);
- _mesa_remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
+ remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
}
}
invalidate_framebuffer(fb);
- _glthread_UNLOCK_MUTEX(fb->Mutex);
+ mtx_unlock(&fb->Mutex);
}
-
void GLAPIENTRY
_mesa_FramebufferTexture1D(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
+ GLenum textarget, GLuint texture, GLint level)
{
GET_CURRENT_CONTEXT(ctx);
void GLAPIENTRY
_mesa_FramebufferTexture2D(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
+ GLenum textarget, GLuint texture, GLint level)
{
GET_CURRENT_CONTEXT(ctx);
void GLAPIENTRY
_mesa_FramebufferTexture3D(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
+ GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset)
{
GET_CURRENT_CONTEXT(ctx);
void GLAPIENTRY
_mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLint layer)
+ GLuint texture, GLint level, GLint layer)
{
GET_CURRENT_CONTEXT(ctx);
void GLAPIENTRY
_mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
- GLenum renderbufferTarget,
- GLuint renderbuffer)
+ GLenum renderbufferTarget,
+ GLuint renderbuffer)
{
struct gl_renderbuffer_attachment *att;
struct gl_framebuffer *fb;
fb = get_framebuffer_target(ctx, target);
if (!fb) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(target)");
return;
}
return;
}
- att = _mesa_get_attachment(ctx, fb, attachment);
+ att = get_attachment(ctx, fb, attachment);
if (att == NULL) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferRenderbufferEXT(invalid attachment %s)",
return;
}
else if (rb == &DummyRenderbuffer) {
- /* This is what NVIDIA does */
- _mesa_error(ctx, GL_INVALID_VALUE,
+ _mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferRenderbufferEXT(renderbuffer %u)",
renderbuffer);
return;
}
}
-
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
assert(ctx->Driver.FramebufferRenderbuffer);
void GLAPIENTRY
_mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
- GLenum pname, GLint *params)
+ GLenum pname, GLint *params)
{
const struct gl_renderbuffer_attachment *att;
struct gl_framebuffer *buffer;
* OES_framebuffer_object spec refers to the EXT_framebuffer_object
* spec.
*/
- if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ if ((!_mesa_is_desktop_gl(ctx) ||
+ !ctx->Extensions.ARB_framebuffer_object)
&& !_mesa_is_gles3(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
}
else {
/* user-created framebuffer FBO */
- att = _mesa_get_attachment(ctx, buffer, attachment);
+ att = get_attachment(ctx, buffer, attachment);
}
if (att == NULL) {
}
if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
- /* the depth and stencil attachments must point to the same buffer */
const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
- depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
- stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
+ if (pname == GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE) {
+ /* This behavior is first specified in OpenGL 4.4 specification.
+ *
+ * From the OpenGL 4.4 spec page 275:
+ * "This query cannot be performed for a combined depth+stencil
+ * attachment, since it does not have a single format."
+ */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameteriv("
+ "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE"
+ " is invalid for depth+stencil attachment)");
+ 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);
if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
- if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ if ((!_mesa_is_desktop_gl(ctx) ||
+ !ctx->Extensions.ARB_framebuffer_object)
&& !_mesa_is_gles3(ctx)) {
goto invalid_pname_enum;
}
}
else {
if (ctx->Extensions.EXT_framebuffer_sRGB) {
- *params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
+ *params =
+ _mesa_get_format_color_encoding(att->Renderbuffer->Format);
}
else {
/* According to ARB_framebuffer_sRGB, we should return LINEAR
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
- if ((ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_framebuffer_object)
+ if ((ctx->API != API_OPENGL_COMPAT ||
+ !ctx->Extensions.ARB_framebuffer_object)
&& ctx->API != API_OPENGL_CORE
&& !_mesa_is_gles3(ctx)) {
goto invalid_pname_enum;
"glGetFramebufferAttachmentParameterivEXT(pname)");
}
else {
- gl_format format = att->Renderbuffer->Format;
+ mesa_format format = att->Renderbuffer->Format;
/* Page 235 (page 247 of the PDF) in section 6.1.13 of the OpenGL ES
* 3.0.1 spec says:
* attachment is DEPTH_STENCIL_ATTACHMENT the query will fail and
* generate an INVALID_OPERATION error.
*/
- if (_mesa_is_gles3(ctx) && attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ if (_mesa_is_gles3(ctx) &&
+ attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetFramebufferAttachmentParameteriv(cannot query "
"GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE of "
return;
}
- if (format == MESA_FORMAT_S8) {
+ if (format == MESA_FORMAT_S_UINT8) {
/* special cases */
*params = GL_INDEX;
}
- else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ else if (format == MESA_FORMAT_Z32_FLOAT_S8X24_UINT) {
/* depends on the attachment parameter */
if (attachment == GL_STENCIL_ATTACHMENT) {
*params = GL_INDEX;
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ if ((!_mesa_is_desktop_gl(ctx) ||
+ !ctx->Extensions.ARB_framebuffer_object)
&& !_mesa_is_gles3(ctx)) {
goto invalid_pname_enum;
}
" 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;
}
}
-void GLAPIENTRY
-_mesa_GenerateMipmap(GLenum target)
-{
- struct gl_texture_image *srcImage;
- struct gl_texture_object *texObj;
- GLboolean error;
-
- GET_CURRENT_CONTEXT(ctx);
-
- FLUSH_VERTICES(ctx, 0);
-
- switch (target) {
- case GL_TEXTURE_1D:
- error = _mesa_is_gles(ctx);
- break;
- case GL_TEXTURE_2D:
- error = GL_FALSE;
- break;
- case GL_TEXTURE_3D:
- error = ctx->API == API_OPENGLES;
- break;
- case GL_TEXTURE_CUBE_MAP:
- error = !ctx->Extensions.ARB_texture_cube_map;
- break;
- case GL_TEXTURE_1D_ARRAY:
- error = _mesa_is_gles(ctx) || !ctx->Extensions.EXT_texture_array;
- break;
- case GL_TEXTURE_2D_ARRAY:
- error = (_mesa_is_gles(ctx) && ctx->Version < 30)
- || !ctx->Extensions.EXT_texture_array;
- break;
- default:
- error = GL_TRUE;
- }
-
- if (error) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
- _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- if (texObj->BaseLevel >= texObj->MaxLevel) {
- /* nothing to do */
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
- !_mesa_cube_complete(texObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(incomplete cube map)");
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
-
- srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
- if (!srcImage) {
- _mesa_unlock_texture(ctx, texObj);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(zero size base image)");
- return;
- }
-
- if (_mesa_is_enum_format_integer(srcImage->InternalFormat) ||
- _mesa_is_depthstencil_format(srcImage->InternalFormat) ||
- _mesa_is_stencil_format(srcImage->InternalFormat)) {
- _mesa_unlock_texture(ctx, texObj);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(invalid internal format)");
- return;
- }
-
- if (target == GL_TEXTURE_CUBE_MAP) {
- GLuint face;
- for (face = 0; face < 6; face++)
- ctx->Driver.GenerateMipmap(ctx,
- GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
- texObj);
- }
- else {
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-static const struct gl_renderbuffer_attachment *
-find_attachment(const struct gl_framebuffer *fb,
- const struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < Elements(fb->Attachment); i++) {
- if (fb->Attachment[i].Renderbuffer == rb)
- return &fb->Attachment[i];
- }
- return NULL;
-}
-
-
-/**
- * Helper function for checking if the datatypes of color buffers are
- * compatible for glBlitFramebuffer. From the 3.1 spec, page 198:
- *
- * "GL_INVALID_OPERATION is generated if mask contains GL_COLOR_BUFFER_BIT
- * and any of the following conditions hold:
- * - The read buffer contains fixed-point or floating-point values and any
- * draw buffer contains neither fixed-point nor floating-point values.
- * - The read buffer contains unsigned integer values and any draw buffer
- * does not contain unsigned integer values.
- * - The read buffer contains signed integer values and any draw buffer
- * does not contain signed integer values."
- */
-static GLboolean
-compatible_color_datatypes(gl_format srcFormat, gl_format dstFormat)
-{
- GLenum srcType = _mesa_get_format_datatype(srcFormat);
- GLenum dstType = _mesa_get_format_datatype(dstFormat);
-
- if (srcType != GL_INT && srcType != GL_UNSIGNED_INT) {
- assert(srcType == GL_UNSIGNED_NORMALIZED ||
- srcType == GL_SIGNED_NORMALIZED ||
- srcType == GL_FLOAT);
- /* Boil any of those types down to GL_FLOAT */
- srcType = GL_FLOAT;
- }
-
- if (dstType != GL_INT && dstType != GL_UNSIGNED_INT) {
- assert(dstType == GL_UNSIGNED_NORMALIZED ||
- dstType == GL_SIGNED_NORMALIZED ||
- dstType == GL_FLOAT);
- /* Boil any of those types down to GL_FLOAT */
- dstType = GL_FLOAT;
- }
-
- return srcType == dstType;
-}
-
-
-static GLboolean
-compatible_resolve_formats(const struct gl_renderbuffer *readRb,
- const struct gl_renderbuffer *drawRb)
-{
- GLenum readFormat, drawFormat;
-
- /* The simple case where we know the backing Mesa formats are the same.
- */
- if (_mesa_get_srgb_format_linear(readRb->Format) ==
- _mesa_get_srgb_format_linear(drawRb->Format)) {
- return GL_TRUE;
- }
-
- /* The Mesa formats are different, so we must check whether the internal
- * formats are compatible.
- *
- * Under some circumstances, the user may request e.g. two GL_RGBA8
- * textures and get two entirely different Mesa formats like RGBA8888 and
- * ARGB8888. Drivers behaving like that should be able to cope with
- * non-matching formats by themselves, because it's not the user's fault.
- *
- * Blits between linear and sRGB formats are also allowed.
- */
- readFormat = _mesa_get_nongeneric_internalformat(readRb->InternalFormat);
- drawFormat = _mesa_get_nongeneric_internalformat(drawRb->InternalFormat);
- readFormat = _mesa_get_linear_internalformat(readFormat);
- drawFormat = _mesa_get_linear_internalformat(drawFormat);
-
- if (readFormat == drawFormat) {
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-static GLboolean
-is_valid_blit_filter(const struct gl_context *ctx, GLenum filter)
-{
- switch (filter) {
- case GL_NEAREST:
- case GL_LINEAR:
- return true;
- case GL_SCALED_RESOLVE_FASTEST_EXT:
- case GL_SCALED_RESOLVE_NICEST_EXT:
- return ctx->Extensions.EXT_framebuffer_multisample_blit_scaled;
- default:
- return false;
- }
-}
-
-/**
- * Blit rectangular region, optionally from one framebuffer to another.
- *
- * Note, if the src buffer is multisampled and the dest is not, this is
- * when the samples must be resolved to a single color.
- */
-void GLAPIENTRY
-_mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT);
- const struct gl_framebuffer *readFb, *drawFb;
- GET_CURRENT_CONTEXT(ctx);
-
- FLUSH_VERTICES(ctx, 0);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, _mesa_lookup_enum_by_nr(filter));
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- readFb = ctx->ReadBuffer;
- drawFb = ctx->DrawBuffer;
-
- if (!readFb || !drawFb) {
- /* This will normally never happen but someday we may want to
- * support MakeCurrent() with no drawables.
- */
- return;
- }
-
- /* check for complete framebuffers */
- if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glBlitFramebufferEXT(incomplete draw/read buffers)");
- return;
- }
-
- if (!is_valid_blit_filter(ctx, filter)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(%s)",
- _mesa_lookup_enum_by_nr(filter));
- return;
- }
-
- if ((filter == GL_SCALED_RESOLVE_FASTEST_EXT ||
- filter == GL_SCALED_RESOLVE_NICEST_EXT) &&
- (readFb->Visual.samples == 0 || drawFb->Visual.samples > 0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT(%s)",
- _mesa_lookup_enum_by_nr(filter));
- return;
- }
-
- if (mask & ~legalMaskBits) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
- return;
- }
-
- /* depth/stencil must be blitted with nearest filtering */
- if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
- && filter != GL_NEAREST) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
- return;
- }
-
- /* get color read/draw renderbuffers */
- if (mask & GL_COLOR_BUFFER_BIT) {
- const GLuint numColorDrawBuffers = ctx->DrawBuffer->_NumColorDrawBuffers;
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const struct gl_renderbuffer *colorDrawRb = NULL;
- GLuint i;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if (!colorReadRb || numColorDrawBuffers == 0) {
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
- else {
- for (i = 0; i < numColorDrawBuffers; i++) {
- colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i];
- if (!colorDrawRb)
- continue;
-
- /* Page 193 (page 205 of the PDF) in section 4.3.2 of the OpenGL
- * ES 3.0.1 spec says:
- *
- * "If the source and destination buffers are identical, an
- * INVALID_OPERATION error is generated. Different mipmap
- * levels of a texture, different layers of a three-
- * dimensional texture or two-dimensional array texture, and
- * different faces of a cube map texture do not constitute
- * identical buffers."
- */
- if (_mesa_is_gles3(ctx) && (colorDrawRb == colorReadRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination color "
- "buffer cannot be the same)");
- return;
- }
-
- if (!compatible_color_datatypes(colorReadRb->Format,
- colorDrawRb->Format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(color buffer datatypes mismatch)");
- return;
- }
- /* extra checks for multisample copies... */
- if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
- /* color formats must match */
- if (!compatible_resolve_formats(colorReadRb, colorDrawRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample pixel formats)");
- return;
- }
- }
- }
- if (filter != GL_NEAREST) {
- /* From EXT_framebuffer_multisample_blit_scaled specification:
- * "Calling BlitFramebuffer will result in an INVALID_OPERATION error
- * if filter is not NEAREST and read buffer contains integer data."
- */
- GLenum type = _mesa_get_format_datatype(colorReadRb->Format);
- if (type == GL_INT || type == GL_UNSIGNED_INT) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(integer color type)");
- return;
- }
- }
- }
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_renderbuffer *readRb =
- readFb->Attachment[BUFFER_STENCIL].Renderbuffer;
- struct gl_renderbuffer *drawRb =
- drawFb->Attachment[BUFFER_STENCIL].Renderbuffer;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if ((readRb == NULL) || (drawRb == NULL)) {
- mask &= ~GL_STENCIL_BUFFER_BIT;
- }
- else {
- int read_z_bits, draw_z_bits;
-
- if (_mesa_is_gles3(ctx) && (drawRb == readRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination stencil "
- "buffer cannot be the same)");
- return;
- }
-
- if (_mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
- /* There is no need to check the stencil datatype here, because
- * there is only one: GL_UNSIGNED_INT.
- */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(stencil attachment format mismatch)");
- return;
- }
-
- read_z_bits = _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS);
- draw_z_bits = _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS);
-
- /* If both buffers also have depth data, the depth formats must match
- * as well. If one doesn't have depth, it's not blitted, so we should
- * ignore the depth format check.
- */
- if (read_z_bits > 0 && draw_z_bits > 0 &&
- (read_z_bits != draw_z_bits ||
- _mesa_get_format_datatype(readRb->Format) !=
- _mesa_get_format_datatype(drawRb->Format))) {
-
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer"
- "(stencil attachment depth format mismatch)");
- return;
- }
- }
- }
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_renderbuffer *readRb =
- readFb->Attachment[BUFFER_DEPTH].Renderbuffer;
- struct gl_renderbuffer *drawRb =
- drawFb->Attachment[BUFFER_DEPTH].Renderbuffer;
-
- /* From the EXT_framebuffer_object spec:
- *
- * "If a buffer is specified in <mask> and does not exist in both
- * the read and draw framebuffers, the corresponding bit is silently
- * ignored."
- */
- if ((readRb == NULL) || (drawRb == NULL)) {
- mask &= ~GL_DEPTH_BUFFER_BIT;
- }
- else {
- int read_s_bit, draw_s_bit;
-
- if (_mesa_is_gles3(ctx) && (drawRb == readRb)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(source and destination depth "
- "buffer cannot be the same)");
- return;
- }
-
- if ((_mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) ||
- (_mesa_get_format_datatype(readRb->Format) !=
- _mesa_get_format_datatype(drawRb->Format))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(depth attachment format mismatch)");
- return;
- }
-
- read_s_bit = _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS);
- draw_s_bit = _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS);
-
- /* If both buffers also have stencil data, the stencil formats must
- * match as well. If one doesn't have stencil, it's not blitted, so
- * we should ignore the stencil format check.
- */
- if (read_s_bit > 0 && draw_s_bit > 0 && read_s_bit != draw_s_bit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebuffer"
- "(depth attachment stencil bits mismatch)");
- return;
- }
- }
- }
-
-
- if (_mesa_is_gles3(ctx)) {
- /* Page 194 (page 206 of the PDF) in section 4.3.2 of the OpenGL ES
- * 3.0.1 spec says:
- *
- * "If SAMPLE_BUFFERS for the draw framebuffer is greater than zero,
- * an INVALID_OPERATION error is generated."
- */
- if (drawFb->Visual.samples > 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(destination samples must be 0)");
- return;
- }
-
- /* Page 194 (page 206 of the PDF) in section 4.3.2 of the OpenGL ES
- * 3.0.1 spec says:
- *
- * "If SAMPLE_BUFFERS for the read framebuffer is greater than zero,
- * no copy is performed and an INVALID_OPERATION error is generated
- * if the formats of the read and draw framebuffers are not
- * identical or if the source and destination rectangles are not
- * defined with the same (X0, Y0) and (X1, Y1) bounds."
- *
- * The format check was made above because desktop OpenGL has the same
- * requirement.
- */
- if (readFb->Visual.samples > 0
- && (srcX0 != dstX0 || srcY0 != dstY0
- || srcX1 != dstX1 || srcY1 != dstY1)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebuffer(bad src/dst multisample region)");
- return;
- }
- } else {
- if (readFb->Visual.samples > 0 &&
- drawFb->Visual.samples > 0 &&
- readFb->Visual.samples != drawFb->Visual.samples) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(mismatched samples)");
- return;
- }
-
- /* extra checks for multisample copies... */
- if ((readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) &&
- (filter == GL_NEAREST || filter == GL_LINEAR)) {
- /* src and dest region sizes must be the same */
- if (abs(srcX1 - srcX0) != abs(dstX1 - dstX0) ||
- abs(srcY1 - srcY0) != abs(dstY1 - dstY0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes)");
- return;
- }
- }
- }
-
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
- return;
- }
-
- /* Debug code */
- if (DEBUG_BLIT) {
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const struct gl_renderbuffer *colorDrawRb = NULL;
- GLuint i = 0;
-
- printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
- " 0x%x, 0x%x)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
- if (colorReadRb) {
- const struct gl_renderbuffer_attachment *att;
-
- att = find_attachment(readFb, colorReadRb);
- printf(" Src FBO %u RB %u (%dx%d) ",
- readFb->Name, colorReadRb->Name,
- colorReadRb->Width, colorReadRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
-
- /* Print all active color render buffers */
- for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) {
- colorDrawRb = ctx->DrawBuffer->_ColorDrawBuffers[i];
- if (!colorDrawRb)
- continue;
-
- att = find_attachment(drawFb, colorDrawRb);
- printf(" Dst FBO %u RB %u (%dx%d) ",
- drawFb->Name, colorDrawRb->Name,
- colorDrawRb->Width, colorDrawRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
- }
- }
- }
-
- if (!mask ||
- (srcX1 - srcX0) == 0 || (srcY1 - srcY0) == 0 ||
- (dstX1 - dstX0) == 0 || (dstY1 - dstY0) == 0) {
- return;
- }
-
- ASSERT(ctx->Driver.BlitFramebuffer);
- ctx->Driver.BlitFramebuffer(ctx,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
-}
-
-
static void
invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
const GLenum *attachments, GLint x, GLint y,
return;
}
+
void GLAPIENTRY
_mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
const GLenum *attachments, GLint x, GLint y,
"glInvalidateSubFramebuffer");
}
+
void GLAPIENTRY
_mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
const GLenum *attachments)
* <MAX_VIEWPORT_DIMS[1]> respectively."
*/
invalidate_framebuffer_storage(target, numAttachments, attachments,
- 0, 0, MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+ 0, 0,
+ MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
"glInvalidateFramebuffer");
}
+
void GLAPIENTRY
_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
const GLenum *attachments)