/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
* Brian Paul
*/
+#include <stdbool.h>
#include "buffers.h"
#include "context.h"
#include "fbobject.h"
#include "formats.h"
#include "framebuffer.h"
+#include "glformats.h"
#include "hash.h"
#include "macros.h"
-#include "mfeatures.h"
+#include "multisample.h"
#include "mtypes.h"
#include "renderbuffer.h"
#include "state.h"
#include "texobj.h"
-/** Set this to 1 to help debug FBO incompleteness problems */
-#define DEBUG_FBO 0
-
/** Set this to 1 to debug/log glBlitFramebuffer() calls */
#define DEBUG_BLIT 0
static struct gl_framebuffer IncompleteFramebuffer;
-#define IS_CUBE_FACE(TARGET) \
- ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
- (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
-
-
static void
-delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
+delete_dummy_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
{
/* no op */
}
}
+/**
+ * Return the gl_framebuffer object which corresponds to the given
+ * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
+ * Check support for GL_EXT_framebuffer_blit to determine if certain
+ * targets are legal.
+ * \return gl_framebuffer pointer or NULL if target is illegal
+ */
+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));
+ switch (target) {
+ case GL_DRAW_FRAMEBUFFER:
+ return have_fb_blit ? ctx->DrawBuffer : NULL;
+ case GL_READ_FRAMEBUFFER:
+ return have_fb_blit ? ctx->ReadBuffer : NULL;
+ case GL_FRAMEBUFFER_EXT:
+ return ctx->DrawBuffer;
+ default:
+ return NULL;
+ }
+}
+
+
/**
* Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
* gl_renderbuffer_attachment object.
{
GLuint i;
- assert(fb->Name > 0);
+ assert(_mesa_is_user_fbo(fb));
switch (attachment) {
case GL_COLOR_ATTACHMENT0_EXT:
case GL_COLOR_ATTACHMENT13_EXT:
case GL_COLOR_ATTACHMENT14_EXT:
case GL_COLOR_ATTACHMENT15_EXT:
+ /* 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.
+ */
i = attachment - GL_COLOR_ATTACHMENT0_EXT;
- if (i >= ctx->Const.MaxColorAttachments) {
+ if (i >= ctx->Const.MaxColorAttachments
+ || (i > 0 && ctx->API == API_OPENGLES)) {
return NULL;
}
return &fb->Attachment[BUFFER_COLOR0 + i];
case GL_DEPTH_STENCIL_ATTACHMENT:
+ if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx))
+ return NULL;
/* fall-through */
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
case GL_DEPTH_ATTACHMENT_EXT:
return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
case GL_STENCIL_ATTACHMENT_EXT:
return &fb->Attachment[BUFFER_STENCIL];
default:
_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
GLenum attachment)
{
- assert(fb->Name == 0);
+ assert(_mesa_is_winsys_fbo(fb));
+
+ if (_mesa_is_gles3(ctx)) {
+ assert(attachment == GL_BACK ||
+ attachment == GL_DEPTH ||
+ attachment == GL_STENCIL);
+ switch (attachment) {
+ case GL_BACK:
+ /* Since there is no stereo rendering in ES 3.0, only return the
+ * LEFT bits.
+ */
+ if (ctx->DrawBuffer->Visual.doubleBufferMode)
+ return &fb->Attachment[BUFFER_BACK_LEFT];
+ return &fb->Attachment[BUFFER_FRONT_LEFT];
+ case GL_DEPTH:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL:
+ return &fb->Attachment[BUFFER_STENCIL];
+ }
+ }
switch (attachment) {
case GL_FRONT_LEFT:
return &fb->Attachment[BUFFER_AUX0];
}
return NULL;
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_DEPTH_ATTACHMENT_EXT:
+
+ /* Page 336 (page 352 of the PDF) of the OpenGL 3.0 spec says:
+ *
+ * "If the default framebuffer is bound to target, then attachment must
+ * be one of FRONT LEFT, FRONT RIGHT, BACK LEFT, BACK RIGHT, or AUXi,
+ * identifying a color buffer; DEPTH, identifying the depth buffer; or
+ * STENCIL, identifying the stencil buffer."
+ *
+ * Revision #34 of the ARB_framebuffer_object spec has essentially the same
+ * language. However, revision #33 of the ARB_framebuffer_object spec
+ * says:
+ *
+ * "If the default framebuffer is bound to <target>, then <attachment>
+ * must be one of FRONT_LEFT, FRONT_RIGHT, BACK_LEFT, BACK_RIGHT, AUXi,
+ * DEPTH_BUFFER, or STENCIL_BUFFER, identifying a color buffer, the
+ * depth buffer, or the stencil buffer, and <pname> may be
+ * FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE or
+ * FRAMEBUFFER_ATTACHMENT_OBJECT_NAME."
+ *
+ * The enum values for DEPTH_BUFFER and STENCIL_BUFFER have been removed
+ * from glext.h, so shipping apps should not use those values.
+ *
+ * Note that neither EXT_framebuffer_object nor OES_framebuffer_object
+ * support queries of the window system FBO.
+ */
+ case GL_DEPTH:
return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_STENCIL_ATTACHMENT_EXT:
+ case GL_STENCIL:
return &fb->Attachment[BUFFER_STENCIL];
default:
return NULL;
_mesa_remove_attachment(struct gl_context *ctx,
struct gl_renderbuffer_attachment *att)
{
+ struct gl_renderbuffer *rb = att->Renderbuffer;
+
+ /* tell driver that we're done rendering to this texture. */
+ if (rb && rb->NeedsFinishRenderTexture)
+ ctx->Driver.FinishRenderTexture(ctx, rb);
+
if (att->Type == GL_TEXTURE) {
ASSERT(att->Texture);
- if (ctx->Driver.FinishRenderTexture) {
- /* tell driver that we're done rendering to this texture. */
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
_mesa_reference_texobj(&att->Texture, NULL); /* unbind */
ASSERT(!att->Texture);
}
att->Complete = GL_TRUE;
}
+/**
+ * Create a renderbuffer which will be set up by the driver to wrap the
+ * texture image slice.
+ *
+ * By using a gl_renderbuffer (like user-allocated renderbuffers), drivers get
+ * to share most of their framebuffer rendering code between winsys,
+ * renderbuffer, and texture attachments.
+ *
+ * The allocated renderbuffer uses a non-zero Name so that drivers can check
+ * it for determining vertical orientation, but we use ~0 to make it fairly
+ * unambiguous with actual user (non-texture) renderbuffers.
+ */
+void
+_mesa_update_texture_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att)
+{
+ struct gl_texture_image *texImage;
+ struct gl_renderbuffer *rb;
+
+ texImage = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ if (!texImage)
+ return;
+
+ rb = att->Renderbuffer;
+ if (!rb) {
+ rb = ctx->Driver.NewRenderbuffer(ctx, ~0);
+ if (!rb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glFramebufferTexture()");
+ return;
+ }
+ _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
+
+ /* This can't get called on a texture renderbuffer, so set it to NULL
+ * for clarity compared to user renderbuffers.
+ */
+ rb->AllocStorage = NULL;
+
+ rb->NeedsFinishRenderTexture = ctx->Driver.FinishRenderTexture != NULL;
+ }
+
+ rb->_BaseFormat = texImage->_BaseFormat;
+ rb->Format = texImage->TexFormat;
+ rb->InternalFormat = texImage->InternalFormat;
+ rb->Width = texImage->Width2;
+ rb->Height = texImage->Height2;
+ rb->NumSamples = texImage->NumSamples;
+ rb->TexImage = texImage;
+
+ ctx->Driver.RenderTexture(ctx, fb, att);
+}
/**
* Bind a texture object to an attachment point.
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att,
struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset)
+ GLenum texTarget, GLuint level, GLuint zoffset,
+ GLboolean layered)
{
+ struct gl_renderbuffer *rb = att->Renderbuffer;
+
+ if (rb && rb->NeedsFinishRenderTexture)
+ ctx->Driver.FinishRenderTexture(ctx, rb);
+
if (att->Texture == texObj) {
/* re-attaching same texture */
ASSERT(att->Type == GL_TEXTURE);
- if (ctx->Driver.FinishRenderTexture)
- ctx->Driver.FinishRenderTexture(ctx, att);
}
else {
/* new attachment */
- if (ctx->Driver.FinishRenderTexture && att->Texture)
- ctx->Driver.FinishRenderTexture(ctx, att);
_mesa_remove_attachment(ctx, att);
att->Type = GL_TEXTURE;
assert(!att->Texture);
_mesa_reference_texobj(&att->Texture, texObj);
}
+ invalidate_framebuffer(fb);
/* always update these fields */
att->TextureLevel = level;
att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
att->Zoffset = zoffset;
+ att->Layered = layered;
att->Complete = GL_FALSE;
- if (att->Texture->Image[att->CubeMapFace][att->TextureLevel]) {
- ctx->Driver.RenderTexture(ctx, fb, att);
- }
-
- invalidate_framebuffer(fb);
+ _mesa_update_texture_renderbuffer(ctx, fb, att);
}
assert(att);
_mesa_set_renderbuffer_attachment(ctx, att, rb);
}
+ rb->AttachedAnytime = GL_TRUE;
}
else {
_mesa_remove_attachment(ctx, att);
case GL_RG:
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
return;
+
default:
- /* render buffer format is supported by software rendering */
- ;
+ switch (rb->Format) {
+ /* XXX This list is likely incomplete. */
+ case MESA_FORMAT_RGB9_E5_FLOAT:
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
+ return;
+ default:;
+ /* render buffer format is supported by software rendering */
+ }
}
}
}
}
+/**
+ * Return true if the framebuffer has a combined depth/stencil
+ * renderbuffer attached.
+ */
+GLboolean
+_mesa_has_depthstencil_combined(const struct gl_framebuffer *fb)
+{
+ const struct gl_renderbuffer_attachment *depth =
+ &fb->Attachment[BUFFER_DEPTH];
+ const struct gl_renderbuffer_attachment *stencil =
+ &fb->Attachment[BUFFER_STENCIL];
+
+ if (depth->Type == stencil->Type) {
+ if (depth->Type == GL_RENDERBUFFER_EXT &&
+ depth->Renderbuffer == stencil->Renderbuffer)
+ return GL_TRUE;
+
+ if (depth->Type == GL_TEXTURE &&
+ depth->Texture == stencil->Texture)
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
/**
* For debug only.
*/
static void
att_incomplete(const char *msg)
{
-#if DEBUG_FBO
- _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
-#else
- (void) msg;
-#endif
+ if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
+ _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
+ }
}
* For debug only.
*/
static void
-fbo_incomplete(const char *msg, int index)
+fbo_incomplete(struct gl_context *ctx, const char *msg, int index)
{
-#if DEBUG_FBO
- _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
-#else
- (void) msg;
- (void) index;
-#endif
+ static GLuint msg_id;
+
+ _mesa_gl_debug(ctx, &msg_id,
+ MESA_DEBUG_TYPE_OTHER,
+ MESA_DEBUG_SEVERITY_MEDIUM,
+ "FBO incomplete: %s [%d]\n", msg, index);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_INCOMPLETE_FBO) {
+ _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
+ }
}
case GL_LUMINANCE_ALPHA:
case GL_INTENSITY:
case GL_ALPHA:
- return ctx->Extensions.ARB_framebuffer_object;
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_framebuffer_object;
case GL_RED:
case GL_RG:
return ctx->Extensions.ARB_texture_rg;
}
+/**
+ * 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)
+{
+ const GLenum baseFormat =
+ _mesa_get_format_base_format(format);
+ GLboolean valid;
+
+ valid = _mesa_is_legal_color_format(ctx, baseFormat);
+ if (!valid || _mesa_is_desktop_gl(ctx)) {
+ return valid;
+ }
+
+ /* Reject additional cases for GLES */
+ switch (internalFormat) {
+ case GL_RGBA8_SNORM:
+ case GL_RGB32F:
+ case GL_RGB32I:
+ case GL_RGB32UI:
+ case GL_RGB16F:
+ case GL_RGB16I:
+ case GL_RGB16UI:
+ case GL_RGB8_SNORM:
+ case GL_RGB8I:
+ case GL_RGB8UI:
+ case GL_SRGB8:
+ case GL_RGB9_E5:
+ case GL_RG8_SNORM:
+ case GL_R8_SNORM:
+ return GL_FALSE;
+ default:
+ break;
+ }
+
+ if (format == MESA_FORMAT_ARGB2101010 && internalFormat != GL_RGB10_A2) {
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
/**
* Is the given base format a legal format for a depth/stencil renderbuffer?
*/
GLenum intFormat = GL_NONE; /* color buffers' internal format */
GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
GLint numSamples = -1;
+ GLint fixedSampleLocations = -1;
GLint i;
GLuint j;
+ bool layer_count_valid = false;
+ GLuint layer_count = 0, att_layer_count;
- assert(fb->Name != 0);
+ assert(_mesa_is_user_fbo(fb));
+
+ /* we're changing framebuffer fields here */
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
numImages = 0;
fb->Width = 0;
fb->Height = 0;
+ fb->_AllColorBuffersFixedPoint = GL_TRUE;
+ fb->_HasSNormOrFloatColorBuffer = GL_FALSE;
/* Start at -2 to more easily loop over all attachment points.
* -2: depth buffer
for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
struct gl_renderbuffer_attachment *att;
GLenum f;
- gl_format mesaFormat;
+ gl_format attFormat;
/*
* XXX for ARB_fbo, only check color buffers that are named by
test_attachment_completeness(ctx, GL_DEPTH, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("depth attachment incomplete", -1);
+ fbo_incomplete(ctx, "depth attachment incomplete", -1);
return;
}
}
test_attachment_completeness(ctx, GL_STENCIL, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("stencil attachment incomplete", -1);
+ fbo_incomplete(ctx, "stencil attachment incomplete", -1);
return;
}
}
test_attachment_completeness(ctx, GL_COLOR, att);
if (!att->Complete) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("color attachment incomplete", i);
+ fbo_incomplete(ctx, "color attachment incomplete", i);
return;
}
}
/* get width, height, format of the renderbuffer/texture
*/
if (att->Type == GL_TEXTURE) {
- const struct gl_texture_image *texImg
- = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ const struct gl_texture_image *texImg = att->Renderbuffer->TexImage;
minWidth = MIN2(minWidth, texImg->Width);
maxWidth = MAX2(maxWidth, texImg->Width);
minHeight = MIN2(minHeight, texImg->Height);
maxHeight = MAX2(maxHeight, texImg->Height);
f = texImg->_BaseFormat;
- mesaFormat = texImg->TexFormat;
+ attFormat = texImg->TexFormat;
numImages++;
- if (!_mesa_is_legal_color_format(ctx, f) &&
+
+ if (!is_format_color_renderable(ctx, attFormat, texImg->InternalFormat) &&
!is_legal_depth_format(ctx, f)) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("texture attachment incomplete", -1);
+ fbo_incomplete(ctx, "texture attachment incomplete", -1);
+ return;
+ }
+
+ if (numSamples < 0)
+ numSamples = texImg->NumSamples;
+ else if (numSamples != texImg->NumSamples) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete(ctx, "inconsistent sample count", -1);
+ return;
+ }
+
+ if (fixedSampleLocations < 0)
+ fixedSampleLocations = texImg->FixedSampleLocations;
+ else if (fixedSampleLocations != texImg->FixedSampleLocations) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete(ctx, "inconsistent fixed sample locations", -1);
return;
}
}
minHeight = MIN2(minHeight, att->Renderbuffer->Height);
maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
f = att->Renderbuffer->InternalFormat;
- mesaFormat = att->Renderbuffer->Format;
+ attFormat = att->Renderbuffer->Format;
numImages++;
+
+ if (numSamples < 0)
+ numSamples = att->Renderbuffer->NumSamples;
+ else if (numSamples != att->Renderbuffer->NumSamples) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete(ctx, "inconsistent sample count", -1);
+ return;
+ }
+
+ /* RENDERBUFFER has fixedSampleLocations implicitly true */
+ if (fixedSampleLocations < 0)
+ fixedSampleLocations = GL_TRUE;
+ else if (fixedSampleLocations != GL_TRUE) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete(ctx, "inconsistent fixed sample locations", -1);
+ return;
+ }
}
else {
assert(att->Type == GL_NONE);
continue;
}
- if (numSamples < 0) {
- /* first buffer */
- numSamples = att->Renderbuffer->NumSamples;
- }
-
/* check if integer color */
- fb->_IntegerColor = _mesa_is_format_integer_color(mesaFormat);
+ fb->_IntegerColor = _mesa_is_format_integer_color(attFormat);
- /* Error-check width, height, format, samples
- */
+ /* Update _AllColorBuffersFixedPoint and _HasSNormOrFloatColorBuffer. */
+ if (i >= 0) {
+ GLenum type = _mesa_get_format_datatype(attFormat);
+
+ fb->_AllColorBuffersFixedPoint =
+ fb->_AllColorBuffersFixedPoint &&
+ (type == GL_UNSIGNED_NORMALIZED || type == GL_SIGNED_NORMALIZED);
+
+ fb->_HasSNormOrFloatColorBuffer =
+ fb->_HasSNormOrFloatColorBuffer ||
+ type == GL_SIGNED_NORMALIZED || type == GL_FLOAT;
+ }
+
+ /* Error-check width, height, format */
if (numImages == 1) {
- /* save format, num samples */
+ /* save format */
if (i >= 0) {
intFormat = f;
}
/* check that width, height, format are same */
if (minWidth != maxWidth || minHeight != maxHeight) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
- fbo_incomplete("width or height mismatch", -1);
+ fbo_incomplete(ctx, "width or height mismatch", -1);
return;
}
- /* check that all color buffer have same format */
+ /* check that all color buffers are the same format */
if (intFormat != GL_NONE && f != intFormat) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("format mismatch", -1);
+ fbo_incomplete(ctx, "format mismatch", -1);
return;
}
}
- if (att->Renderbuffer &&
- att->Renderbuffer->NumSamples != numSamples) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
- fbo_incomplete("inconsistant number of samples", i);
- return;
- }
+ }
+
+ /* Check that the format is valid. (MESA_FORMAT_NONE means unsupported)
+ */
+ if (att->Type == GL_RENDERBUFFER &&
+ att->Renderbuffer->Format == MESA_FORMAT_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
+ fbo_incomplete(ctx, "unsupported renderbuffer format", i);
+ return;
+ }
+ /* 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);
+ }
+ return;
}
}
-#if FEATURE_GL
- if (ctx->API == API_OPENGL) {
+ fb->Layered = layer_count > 0;
+
+ 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) {
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
- fbo_incomplete("missing drawbuffer", j);
+ fbo_incomplete(ctx, "missing drawbuffer", j);
return;
}
}
assert(att);
if (att->Type == GL_NONE) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
- fbo_incomplete("missing readbuffer", -1);
+ fbo_incomplete(ctx, "missing readbuffer", -1);
return;
}
}
}
-#else
- (void) j;
-#endif
if (numImages == 0) {
fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
- fbo_incomplete("no attachments", -1);
+ fbo_incomplete(ctx, "no attachments", -1);
return;
}
if (ctx->Driver.ValidateFramebuffer) {
ctx->Driver.ValidateFramebuffer(ctx, fb);
if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- fbo_incomplete("driver marked FBO as incomplete", -1);
+ fbo_incomplete(ctx, "driver marked FBO as incomplete", -1);
}
}
GLboolean GLAPIENTRY
-_mesa_IsRenderbufferEXT(GLuint renderbuffer)
+_mesa_IsRenderbuffer(GLuint renderbuffer)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
void GLAPIENTRY
-_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
+_mesa_BindRenderbuffer(GLenum target, GLuint renderbuffer)
{
struct gl_renderbuffer *newRb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
return;
/* ID was reserved, but no real renderbuffer object made yet */
newRb = NULL;
}
- else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
+ else if (!newRb
+ && _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_framebuffer_object) {
/* All RB IDs must be Gen'd */
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
return;
}
+void GLAPIENTRY
+_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
+{
+ _mesa_BindRenderbuffer(target, renderbuffer);
+}
+
+
/**
* If the given renderbuffer is anywhere attached to the framebuffer, detach
* the renderbuffer.
void GLAPIENTRY
-_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
+_mesa_DeleteRenderbuffers(GLsizei n, const GLuint *renderbuffers)
{
GLint i;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
for (i = 0; i < n; i++) {
if (rb == ctx->CurrentRenderbuffer) {
/* bind default */
ASSERT(rb->RefCount >= 2);
- _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+ _mesa_BindRenderbuffer(GL_RENDERBUFFER_EXT, 0);
}
- if (ctx->DrawBuffer->Name) {
+ if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
}
- if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
+ if (_mesa_is_user_fbo(ctx->ReadBuffer)
+ && ctx->ReadBuffer != ctx->DrawBuffer) {
detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
}
void GLAPIENTRY
-_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
+_mesa_GenRenderbuffers(GLsizei n, GLuint *renderbuffers)
{
GET_CURRENT_CONTEXT(ctx);
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
return;
case GL_ALPHA8:
case GL_ALPHA12:
case GL_ALPHA16:
- return 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->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->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->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_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
- case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
+ return _mesa_is_desktop_gl(ctx) ? GL_RGB : 0;
case GL_SRGB8_EXT:
- return GL_RGB;
- case GL_RGBA:
- case GL_RGBA2:
+ return _mesa_is_desktop_gl(ctx) ? GL_RGB : 0;
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
- case GL_RGB10_A2:
+ return GL_RGBA;
+ case GL_RGBA:
+ case GL_RGBA2:
case GL_RGBA12:
case GL_RGBA16:
- case GL_RGBA16_SNORM:
+ return _mesa_is_desktop_gl(ctx) ? GL_RGBA : 0;
+ case GL_RGB10_A2:
case GL_SRGB8_ALPHA8_EXT:
- return GL_RGBA;
+ return _mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx) ? GL_RGBA : 0;
case GL_STENCIL_INDEX:
case GL_STENCIL_INDEX1_EXT:
case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
case GL_STENCIL_INDEX16_EXT:
+ /* There are extensions for GL_STENCIL_INDEX1 and GL_STENCIL_INDEX4 in
+ * OpenGL ES, but Mesa does not currently support them.
+ */
+ return _mesa_is_desktop_gl(ctx) ? GL_STENCIL_INDEX : 0;
+ case GL_STENCIL_INDEX8_EXT:
return GL_STENCIL_INDEX;
case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT32:
+ return _mesa_is_desktop_gl(ctx) ? GL_DEPTH_COMPONENT : 0;
case GL_DEPTH_COMPONENT16:
case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
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:
- if (ctx->Extensions.EXT_packed_depth_stencil)
- return GL_DEPTH_STENCIL_EXT;
- else
- return 0;
+ return ctx->Extensions.EXT_packed_depth_stencil
+ ? GL_DEPTH_STENCIL_EXT : 0;
+ case GL_DEPTH_COMPONENT32F:
+ return ctx->Version >= 30
+ || (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)
+ ? GL_DEPTH_STENCIL : 0;
case GL_RED:
- case GL_R8:
case GL_R16:
- return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_rg
+ ? GL_RED : 0;
+ case GL_R8:
+ return ctx->API != API_OPENGLES && ctx->Extensions.ARB_texture_rg
+ ? GL_RED : 0;
case GL_RG:
- case GL_RG8:
case GL_RG16:
- return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
- /* XXX add floating point and integer formats eventually */
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_rg
+ ? GL_RG : 0;
+ case GL_RG8:
+ return ctx->API != API_OPENGLES && ctx->Extensions.ARB_texture_rg
+ ? GL_RG : 0;
+ /* signed normalized texture formats */
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ case GL_R16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_RED : 0;
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ case GL_RG16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_RG : 0;
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ case GL_RGB16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_RGB : 0;
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ case GL_RGBA16_SNORM:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_snorm
+ ? GL_RGBA : 0;
+ case GL_ALPHA_SNORM:
+ case GL_ALPHA8_SNORM:
+ case GL_ALPHA16_SNORM:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.EXT_texture_snorm &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+ case GL_R16F:
+ case GL_R32F:
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
+ ? GL_RED : 0;
+ case GL_RG16F:
+ case GL_RG32F:
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
+ ? GL_RG : 0;
+ case GL_RGB16F:
+ case GL_RGB32F:
+ return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_float)
+ ? GL_RGB : 0;
+ case GL_RGBA16F:
+ case GL_RGBA32F:
+ return ((_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_float) ||
+ _mesa_is_gles3(ctx) /* EXT_color_buffer_float */ )
+ ? GL_RGBA : 0;
+ case GL_ALPHA16F_ARB:
+ case GL_ALPHA32F_ARB:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_texture_float &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+ case GL_LUMINANCE16F_ARB:
+ case GL_LUMINANCE32F_ARB:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_texture_float &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_texture_float &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
+ case GL_INTENSITY16F_ARB:
+ case GL_INTENSITY32F_ARB:
+ 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 */ )
+ ? GL_RGB : 0;
+
+ case GL_RGBA8UI_EXT:
+ case GL_RGBA16UI_EXT:
+ case GL_RGBA32UI_EXT:
+ case GL_RGBA8I_EXT:
+ case GL_RGBA16I_EXT:
+ case GL_RGBA32I_EXT:
+ return ctx->Version >= 30
+ || (_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.EXT_texture_integer) ? GL_RGBA : 0;
+
+ case GL_RGB8UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_RGB8I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_RGB32I_EXT:
+ return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_integer
+ ? GL_RGB : 0;
+ case GL_R8UI:
+ case GL_R8I:
+ case GL_R16UI:
+ case GL_R16I:
+ case GL_R32UI:
+ case GL_R32I:
+ return ctx->Version >= 30
+ || (_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.EXT_texture_integer) ? GL_RED : 0;
+
+ case GL_RG8UI:
+ case GL_RG8I:
+ case GL_RG16UI:
+ case GL_RG16I:
+ case GL_RG32UI:
+ case GL_RG32I:
+ return ctx->Version >= 30
+ || (_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rg &&
+ ctx->Extensions.EXT_texture_integer) ? GL_RG : 0;
+
+ case GL_INTENSITY8I_EXT:
+ case GL_INTENSITY8UI_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_INTENSITY32I_EXT:
+ case GL_INTENSITY32UI_EXT:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.EXT_texture_integer &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
+
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE32I_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.EXT_texture_integer &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
+
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.EXT_texture_integer &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
+
+ case GL_ALPHA8I_EXT:
+ case GL_ALPHA8UI_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_ALPHA32I_EXT:
+ case GL_ALPHA32UI_EXT:
+ return ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.EXT_texture_integer &&
+ ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+
+ case GL_RGB10_A2UI:
+ return (_mesa_is_desktop_gl(ctx) &&
+ ctx->Extensions.ARB_texture_rgb10_a2ui)
+ || _mesa_is_gles3(ctx) ? GL_RGBA : 0;
+
+ case GL_RGB565:
+ return _mesa_is_gles(ctx) || ctx->Extensions.ARB_ES2_compatibility
+ ? GL_RGB : 0;
default:
return 0;
}
}
+/**
+ * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
+ */
+static void
+invalidate_rb(GLuint key, void *data, void *userData)
+{
+ struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
+ struct gl_renderbuffer *rb = (struct gl_renderbuffer *) userData;
+
+ /* If this is a user-created FBO */
+ if (_mesa_is_user_fbo(fb)) {
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ if (att->Type == GL_RENDERBUFFER &&
+ att->Renderbuffer == rb) {
+ /* Mark fb status as indeterminate to force re-validation */
+ fb->_Status = 0;
+ return;
+ }
+ }
+ }
+}
+
+
/** sentinal value, see below */
#define NO_SAMPLES 1000
/**
- * Helper function used by _mesa_RenderbufferStorageEXT() and
+ * Helper function used by _mesa_RenderbufferStorage() and
* _mesa_RenderbufferStorageMultisample().
- * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
+ * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorage().
*/
static void
renderbuffer_storage(GLenum target, GLenum internalFormat,
GLsizei width, GLsizei height, GLsizei samples)
{
const char *func = samples == NO_SAMPLES ?
- "glRenderbufferStorage" : "RenderbufferStorageMultisample";
+ "glRenderbufferStorage" : "glRenderbufferStorageMultisample";
struct gl_renderbuffer *rb;
GLenum baseFormat;
+ GLenum sample_count_error;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (MESA_VERBOSE & VERBOSE_API) {
+ if (samples == NO_SAMPLES)
+ _mesa_debug(ctx, "%s(%s, %s, %d, %d)\n",
+ func,
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height);
+ else
+ _mesa_debug(ctx, "%s(%s, %s, %d, %d, %d)\n",
+ func,
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height, samples);
+ }
if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
if (baseFormat == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat=%s)",
+ func, _mesa_lookup_enum_by_nr(internalFormat));
return;
}
- if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ if (width < 0 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
return;
}
- if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ if (height < 0 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
return;
}
/* NumSamples == 0 indicates non-multisampling */
samples = 0;
}
- else if (samples > (GLsizei) ctx->Const.MaxSamples) {
- /* note: driver may choose to use more samples than what's requested */
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
- return;
+ else {
+ /* check the sample count;
+ * note: driver may choose to use more samples than what's requested
+ */
+ sample_count_error = _mesa_check_sample_count(ctx, target,
+ internalFormat, samples);
+ if (sample_count_error != GL_NO_ERROR) {
+ _mesa_error(ctx, sample_count_error, "%s(samples)", func);
+ return;
+ }
}
rb = ctx->CurrentRenderbuffer;
if (rb->InternalFormat == internalFormat &&
rb->Width == (GLuint) width &&
- rb->Height == (GLuint) height) {
+ rb->Height == (GLuint) height &&
+ rb->NumSamples == samples) {
/* no change in allocation needed */
return;
}
ASSERT(rb->AllocStorage);
if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
/* No error - check/set fields now */
- assert(rb->Format != MESA_FORMAT_NONE);
+ /* If rb->Format == MESA_FORMAT_NONE, the format is unsupported. */
assert(rb->Width == (GLuint) width);
assert(rb->Height == (GLuint) height);
rb->InternalFormat = internalFormat;
rb->NumSamples = 0;
}
- /*
- test_framebuffer_completeness(ctx, fb);
- */
- /* XXX if this renderbuffer is attached anywhere, invalidate attachment
- * points???
- */
+ /* Invalidate the framebuffers the renderbuffer is attached in. */
+ if (rb->AttachedAnytime) {
+ _mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
+ }
}
-#if FEATURE_OES_EGL_image
void GLAPIENTRY
_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
{
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!ctx->Extensions.OES_EGL_image) {
_mesa_error(ctx, GL_INVALID_OPERATION,
ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
}
-#endif
/**
- * Helper function for _mesa_GetRenderbufferParameterivEXT() and
- * _mesa_GetFramebufferAttachmentParameterivEXT()
+ * Helper function for _mesa_GetRenderbufferParameteriv() and
+ * _mesa_GetFramebufferAttachmentParameteriv()
* We have to be careful to respect the base format. For example, if a
* renderbuffer/texture was created with internalFormat=GL_RGB but the
* driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
static GLint
get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
{
- switch (pname) {
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
- baseFormat == GL_RG || baseFormat == GL_RED)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
- baseFormat == GL_LUMINANCE_ALPHA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- if (baseFormat == GL_DEPTH_COMPONENT || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (baseFormat == GL_STENCIL_INDEX || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- default:
+ if (_mesa_base_format_has_channel(baseFormat, pname))
+ return _mesa_get_format_bits(format, pname);
+ else
return 0;
- }
}
void GLAPIENTRY
-_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+_mesa_RenderbufferStorage(GLenum target, GLenum internalFormat,
GLsizei width, GLsizei height)
{
/* GL_ARB_fbo says calling this function is equivalent to calling
void GLAPIENTRY
-_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
+_mesa_GetRenderbufferParameteriv(GLenum target, GLenum pname, GLint *params)
{
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (target != GL_RENDERBUFFER_EXT) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetRenderbufferParameterivEXT(target)");
*params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
break;
case GL_RENDERBUFFER_SAMPLES:
- if (ctx->Extensions.ARB_framebuffer_object) {
+ if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_framebuffer_object)
+ || _mesa_is_gles3(ctx)) {
*params = rb->NumSamples;
break;
}
GLboolean GLAPIENTRY
-_mesa_IsFramebufferEXT(GLuint framebuffer)
+_mesa_IsFramebuffer(GLuint framebuffer)
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
GLuint i;
ASSERT(ctx->Driver.RenderTexture);
- if (fb->Name == 0)
+ if (_mesa_is_winsys_fbo(fb))
return; /* can't render to texture with winsys framebuffers */
for (i = 0; i < BUFFER_COUNT; i++) {
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- struct gl_texture_object *texObj = att->Texture;
- if (texObj
- && texObj->Image[att->CubeMapFace][att->TextureLevel]) {
+ if (att->Texture && att->Renderbuffer->TexImage) {
ctx->Driver.RenderTexture(ctx, fb, att);
}
}
static void
check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
{
- if (fb->Name == 0)
+ if (_mesa_is_winsys_fbo(fb))
return; /* can't render to texture with winsys framebuffers */
if (ctx->Driver.FinishRenderTexture) {
GLuint i;
for (i = 0; i < BUFFER_COUNT; i++) {
struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Texture && att->Renderbuffer) {
- ctx->Driver.FinishRenderTexture(ctx, att);
+ struct gl_renderbuffer *rb = att->Renderbuffer;
+ if (rb && rb->NeedsFinishRenderTexture) {
+ ctx->Driver.FinishRenderTexture(ctx, rb);
}
}
}
void GLAPIENTRY
-_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+_mesa_BindFramebuffer(GLenum target, GLuint framebuffer)
{
struct gl_framebuffer *newDrawFb, *newReadFb;
struct gl_framebuffer *oldDrawFb, *oldReadFb;
#ifdef DEBUG
if (ctx->Extensions.ARB_framebuffer_object) {
- ASSERT(ctx->Extensions.EXT_framebuffer_object);
ASSERT(ctx->Extensions.EXT_framebuffer_blit);
}
#endif
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindFramebufferEXT(unsupported)");
- return;
- }
-
switch (target) {
-#if FEATURE_EXT_framebuffer_blit
case GL_DRAW_FRAMEBUFFER_EXT:
if (!ctx->Extensions.EXT_framebuffer_blit) {
_mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
bindDrawBuf = GL_FALSE;
bindReadBuf = GL_TRUE;
break;
-#endif
case GL_FRAMEBUFFER_EXT:
bindDrawBuf = GL_TRUE;
bindReadBuf = GL_TRUE;
/* ID was reserved, but no real framebuffer object made yet */
newDrawFb = NULL;
}
- else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
+ else if (!newDrawFb
+ && _mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_framebuffer_object) {
/* All FBO IDs must be Gen'd */
_mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
return;
if (bindDrawBuf) {
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
- /* check if old read/draw buffers were render-to-texture */
- if (!bindReadBuf)
- check_end_texture_render(ctx, oldReadFb);
-
- if (oldDrawFb != oldReadFb)
+ /* check if old framebuffer had any texture attachments */
+ if (oldDrawFb)
check_end_texture_render(ctx, oldDrawFb);
/* check if newly bound framebuffer has any texture attachments */
}
}
+void GLAPIENTRY
+_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+{
+ _mesa_BindFramebuffer(target, framebuffer);
+}
+
+
void GLAPIENTRY
-_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
+_mesa_DeleteFramebuffers(GLsizei n, const GLuint *framebuffers)
{
GLint i;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
FLUSH_VERTICES(ctx, _NEW_BUFFERS);
for (i = 0; i < n; i++) {
if (fb == ctx->DrawBuffer) {
/* bind default */
ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ _mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER_EXT, 0);
}
if (fb == ctx->ReadBuffer) {
/* bind default */
ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
+ _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER_EXT, 0);
}
}
else {
if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
/* bind default */
ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- }
+ _mesa_BindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+ }
}
/* remove from hash table immediately, to free the ID */
void GLAPIENTRY
-_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
+_mesa_GenFramebuffers(GLsizei n, GLuint *framebuffers)
{
GET_CURRENT_CONTEXT(ctx);
GLuint first;
GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
return;
GLenum GLAPIENTRY
-_mesa_CheckFramebufferStatusEXT(GLenum target)
+_mesa_CheckFramebufferStatus(GLenum target)
{
struct gl_framebuffer *buffer;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0;
- }
- buffer = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0;
- }
- buffer = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- buffer = ctx->DrawBuffer;
- break;
- default:
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glCheckFramebufferStatus(%s)\n",
+ _mesa_lookup_enum_by_nr(target));
+
+ buffer = get_framebuffer_target(ctx, target);
+ if (!buffer) {
_mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0; /* formerly GL_FRAMEBUFFER_STATUS_ERROR_EXT */
+ return 0;
}
- if (buffer->Name == 0) {
- /* The window system / default framebuffer is always complete */
- return GL_FRAMEBUFFER_COMPLETE_EXT;
+ if (_mesa_is_winsys_fbo(buffer)) {
+ /* 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 */
}
-
/**
- * Common code called by glFramebufferTexture1D/2D/3DEXT().
+ * Replicate the src attachment point. Used by framebuffer_texture() when
+ * the same texture is attached at GL_DEPTH_ATTACHMENT and
+ * GL_STENCIL_ATTACHMENT.
*/
static void
-framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
- GLenum attachment, GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
+reuse_framebuffer_texture_attachment(struct gl_framebuffer *fb,
+ gl_buffer_index dst,
+ gl_buffer_index src)
{
- struct gl_renderbuffer_attachment *att;
- struct gl_texture_object *texObj = NULL;
- struct gl_framebuffer *fb;
- GLboolean error = GL_FALSE;
+ struct gl_renderbuffer_attachment *dst_att = &fb->Attachment[dst];
+ struct gl_renderbuffer_attachment *src_att = &fb->Attachment[src];
+
+ assert(src_att->Texture != NULL);
+ assert(src_att->Renderbuffer != NULL);
+
+ _mesa_reference_texobj(&dst_att->Texture, src_att->Texture);
+ _mesa_reference_renderbuffer(&dst_att->Renderbuffer, src_att->Renderbuffer);
+ dst_att->Type = src_att->Type;
+ dst_att->Complete = src_att->Complete;
+ dst_att->TextureLevel = src_att->TextureLevel;
+ dst_att->Zoffset = src_att->Zoffset;
+}
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- switch (target) {
- case GL_READ_FRAMEBUFFER_EXT:
- error = !ctx->Extensions.EXT_framebuffer_blit;
- fb = ctx->ReadBuffer;
- break;
- case GL_DRAW_FRAMEBUFFER_EXT:
- error = !ctx->Extensions.EXT_framebuffer_blit;
- /* fall-through */
- case GL_FRAMEBUFFER_EXT:
- fb = ctx->DrawBuffer;
- break;
- default:
- error = GL_TRUE;
- }
+/**
+ * Common code called by glFramebufferTexture1D/2D/3DEXT() and
+ * glFramebufferTextureLayerEXT().
+ * Note: glFramebufferTextureLayerEXT() has no textarget parameter so we'll
+ * get textarget=0 in that case.
+ */
+static void
+framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
+ GLenum attachment, GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset, GLboolean layered)
+{
+ struct gl_renderbuffer_attachment *att;
+ struct gl_texture_object *texObj = NULL;
+ struct gl_framebuffer *fb;
+ GLenum maxLevelsTarget;
- if (error) {
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glFramebufferTexture%sEXT(target=0x%x)", caller, target);
return;
}
- ASSERT(fb);
-
/* check framebuffer binding */
- if (fb->Name == 0) {
+ if (_mesa_is_winsys_fbo(fb)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferTexture%sEXT", caller);
return;
}
-
/* The textarget, level, and zoffset parameters are only validated if
* texture is non-zero.
*/
texObj = _mesa_lookup_texture(ctx, texture);
if (texObj != NULL) {
if (textarget == 0) {
- /* XXX what's the purpose of this? */
+ /* 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_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 */
err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
- ? !IS_CUBE_FACE(textarget)
+ ? !_mesa_is_cube_face(textarget)
: (texObj->Target != textarget);
}
}
}
}
else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
- (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
- if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
+ (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT) ||
+ (texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) ||
+ (texObj->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)) {
+ if (zoffset < 0 ||
+ zoffset >= (GLint) ctx->Const.MaxArrayTextureLayers) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glFramebufferTexture%sEXT(layer)", caller);
return;
}
}
- if ((level < 0) ||
- (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
+ maxLevelsTarget = textarget ? textarget : texObj->Target;
+ if ((level < 0) ||
+ (level >= _mesa_max_texture_levels(ctx, maxLevelsTarget))) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glFramebufferTexture%sEXT(level)", caller);
return;
_glthread_LOCK_MUTEX(fb->Mutex);
if (texObj) {
- _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
- level, zoffset);
+ if (attachment == GL_DEPTH_ATTACHMENT &&
+ texObj == fb->Attachment[BUFFER_STENCIL].Texture &&
+ level == fb->Attachment[BUFFER_STENCIL].TextureLevel &&
+ _mesa_tex_target_to_face(textarget) ==
+ fb->Attachment[BUFFER_STENCIL].CubeMapFace &&
+ zoffset == fb->Attachment[BUFFER_STENCIL].Zoffset) {
+ /* The texture object is already attached to the stencil attachment
+ * point. Don't create a new renderbuffer; just reuse the stencil
+ * attachment's. This is required to prevent a GL error in
+ * glGetFramebufferAttachmentParameteriv(GL_DEPTH_STENCIL).
+ */
+ reuse_framebuffer_texture_attachment(fb, BUFFER_DEPTH,
+ BUFFER_STENCIL);
+ } else if (attachment == GL_STENCIL_ATTACHMENT &&
+ texObj == fb->Attachment[BUFFER_DEPTH].Texture &&
+ level == fb->Attachment[BUFFER_DEPTH].TextureLevel &&
+ _mesa_tex_target_to_face(textarget) ==
+ fb->Attachment[BUFFER_DEPTH].CubeMapFace &&
+ zoffset == fb->Attachment[BUFFER_DEPTH].Zoffset) {
+ /* As above, but with depth and stencil transposed. */
+ reuse_framebuffer_texture_attachment(fb, BUFFER_STENCIL,
+ BUFFER_DEPTH);
+ } else {
+ _mesa_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
+ * depth attachment point. Now attach it to the stencil attachment
+ * point too.
+ */
+ assert(att == &fb->Attachment[BUFFER_DEPTH]);
+ reuse_framebuffer_texture_attachment(fb,BUFFER_STENCIL,
+ BUFFER_DEPTH);
+ }
+ }
+
/* Set the render-to-texture flag. We'll check this flag in
* glTexImage() and friends to determine if we need to revalidate
* any FBOs that might be rendering into this texture.
}
else {
_mesa_remove_attachment(ctx, att);
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ assert(att == &fb->Attachment[BUFFER_DEPTH]);
+ _mesa_remove_attachment(ctx, &fb->Attachment[BUFFER_STENCIL]);
+ }
}
invalidate_framebuffer(fb);
void GLAPIENTRY
-_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture1D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level)
{
GET_CURRENT_CONTEXT(ctx);
- if ((texture != 0) && (textarget != GL_TEXTURE_1D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture1DEXT(textarget)");
- return;
+ if (texture != 0) {
+ GLboolean error;
+
+ switch (textarget) {
+ case GL_TEXTURE_1D:
+ error = GL_FALSE;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ error = !ctx->Extensions.EXT_texture_array;
+ break;
+ default:
+ error = GL_TRUE;
+ }
+
+ if (error) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture1DEXT(textarget=%s)",
+ _mesa_lookup_enum_by_nr(textarget));
+ return;
+ }
}
framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
- level, 0);
+ level, 0, GL_FALSE);
}
void GLAPIENTRY
-_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture2D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture, GLint level)
{
GET_CURRENT_CONTEXT(ctx);
- if ((texture != 0) &&
- (textarget != GL_TEXTURE_2D) &&
- (textarget != GL_TEXTURE_RECTANGLE_ARB) &&
- (!IS_CUBE_FACE(textarget))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
- return;
+ if (texture != 0) {
+ GLboolean error;
+
+ switch (textarget) {
+ case GL_TEXTURE_2D:
+ error = GL_FALSE;
+ break;
+ case GL_TEXTURE_RECTANGLE:
+ error = _mesa_is_gles(ctx)
+ || !ctx->Extensions.NV_texture_rectangle;
+ break;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ error = !ctx->Extensions.ARB_texture_cube_map;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ error = (_mesa_is_gles(ctx) && ctx->Version < 30)
+ || !ctx->Extensions.EXT_texture_array;
+ break;
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ error = _mesa_is_gles(ctx)
+ || !ctx->Extensions.ARB_texture_multisample;
+ break;
+ default:
+ error = GL_TRUE;
+ }
+
+ if (error) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture2DEXT(textarget=%s)",
+ _mesa_lookup_enum_by_nr(textarget));
+ return;
+ }
}
framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
- level, 0);
+ level, 0, GL_FALSE);
}
void GLAPIENTRY
-_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture3D(GLenum target, GLenum attachment,
GLenum textarget, GLuint texture,
GLint level, GLint zoffset)
{
GET_CURRENT_CONTEXT(ctx);
if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ _mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferTexture3DEXT(textarget)");
return;
}
framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
- level, zoffset);
+ level, zoffset, GL_FALSE);
}
void GLAPIENTRY
-_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTextureLayer(GLenum target, GLenum attachment,
GLuint texture, GLint level, GLint layer)
{
GET_CURRENT_CONTEXT(ctx);
framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
- level, layer);
+ level, layer, GL_FALSE);
}
void GLAPIENTRY
-_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
+_mesa_FramebufferTexture(GLenum target, GLenum attachment,
+ GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (ctx->Version >= 32 || ctx->Extensions.ARB_geometry_shader4) {
+ framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
+ level, 0, GL_TRUE);
+ } else {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "unsupported function (glFramebufferTexture) called");
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferRenderbuffer(GLenum target, GLenum attachment,
GLenum renderbufferTarget,
GLuint renderbuffer)
{
struct gl_renderbuffer *rb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
- return;
- }
- fb = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
- return;
- }
- fb = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- fb = ctx->DrawBuffer;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(target)");
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
return;
}
return;
}
- if (fb->Name == 0) {
+ if (_mesa_is_winsys_fbo(fb)) {
/* Can't attach new renderbuffers to a window system framebuffer */
_mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
return;
void GLAPIENTRY
-_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
+_mesa_GetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment,
GLenum pname, GLint *params)
{
const struct gl_renderbuffer_attachment *att;
struct gl_framebuffer *buffer;
+ GLenum err;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ /* The error differs in GL and GLES. */
+ err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
- buffer = ctx->DrawBuffer;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
- buffer = ctx->ReadBuffer;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- buffer = ctx->DrawBuffer;
- break;
- default:
+ buffer = get_framebuffer_target(ctx, target);
+ if (!buffer) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glGetFramebufferAttachmentParameterivEXT(target)");
return;
}
- if (buffer->Name == 0) {
+ if (_mesa_is_winsys_fbo(buffer)) {
+ /* Page 126 (page 136 of the PDF) of the OpenGL ES 2.0.25 spec
+ * says:
+ *
+ * "If the framebuffer currently bound to target is zero, then
+ * INVALID_OPERATION is generated."
+ *
+ * The EXT_framebuffer_object spec has the same wording, and the
+ * OES_framebuffer_object spec refers to the EXT_framebuffer_object
+ * spec.
+ */
+ 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)");
+ return;
+ }
+
+ if (_mesa_is_gles3(ctx) && attachment != GL_BACK &&
+ attachment != GL_DEPTH && attachment != GL_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameteriv(attachment)");
+ return;
+ }
/* the default / window-system FBO */
att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
}
switch (pname) {
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
- *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
+ *params = _mesa_is_winsys_fbo(buffer)
+ ? GL_FRAMEBUFFER_DEFAULT : att->Type;
return;
case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
if (att->Type == GL_RENDERBUFFER_EXT) {
}
else {
assert(att->Type == GL_NONE);
- *params = 0;
+ if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
+ *params = 0;
+ } else {
+ goto invalid_pname_enum;
+ }
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
if (att->Type == GL_TEXTURE) {
*params = att->TextureLevel;
}
+ else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
+ goto invalid_pname_enum;
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
*params = 0;
}
}
+ else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
+ goto invalid_pname_enum;
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
- if (att->Type == GL_TEXTURE) {
+ if (ctx->API == API_OPENGLES) {
+ goto invalid_pname_enum;
+ } else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ } else if (att->Type == GL_TEXTURE) {
if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
*params = att->Zoffset;
}
}
}
else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
+ goto invalid_pname_enum;
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ && !_mesa_is_gles3(ctx)) {
+ goto invalid_pname_enum;
+ }
+ else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
"glGetFramebufferAttachmentParameterivEXT(pname)");
}
else {
}
return;
case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ if ((ctx->API != API_OPENGL_COMPAT || !ctx->Extensions.ARB_framebuffer_object)
+ && ctx->API != API_OPENGL_CORE
+ && !_mesa_is_gles3(ctx)) {
+ goto invalid_pname_enum;
+ }
+ else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
"glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
}
else {
gl_format format = att->Renderbuffer->Format;
- if (format == MESA_FORMAT_CI8 || format == MESA_FORMAT_S8) {
+
+ /* Page 235 (page 247 of the PDF) in section 6.1.13 of the OpenGL ES
+ * 3.0.1 spec says:
+ *
+ * "If pname is FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE.... If
+ * 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) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameteriv(cannot query "
+ "GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE of "
+ "GL_DEPTH_STENCIL_ATTACHMENT");
+ return;
+ }
+
+ if (format == MESA_FORMAT_S8) {
/* special cases */
*params = GL_INDEX;
}
+ else if (format == MESA_FORMAT_Z32_FLOAT_X24S8) {
+ /* depends on the attachment parameter */
+ if (attachment == GL_STENCIL_ATTACHMENT) {
+ *params = GL_INDEX;
+ }
+ else {
+ *params = GL_FLOAT;
+ }
+ }
else {
*params = _mesa_get_format_datatype(format);
}
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object)
+ && !_mesa_is_gles3(ctx)) {
+ goto invalid_pname_enum;
+ }
+ else if (att->Type == GL_NONE) {
+ _mesa_error(ctx, err,
"glGetFramebufferAttachmentParameterivEXT(pname)");
}
else if (att->Texture) {
att->Renderbuffer->Format);
}
else {
- *params = 0;
+ _mesa_problem(ctx, "glGetFramebufferAttachmentParameterivEXT:"
+ " invalid FBO attachment structure");
}
return;
default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
+ goto invalid_pname_enum;
}
+
+ return;
+
+invalid_pname_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameteriv(pname)");
+ return;
}
void GLAPIENTRY
-_mesa_GenerateMipmapEXT(GLenum target)
+_mesa_GenerateMipmap(GLenum target)
{
+ struct gl_texture_image *srcImage;
struct gl_texture_object *texObj;
+ GLboolean error;
+
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+ 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:
- /* OK, legal value */
+ 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:
- /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
- _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
+ error = GL_TRUE;
+ }
+
+ if (error) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target=%s)",
+ _mesa_lookup_enum_by_nr(target));
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++)
}
-#if FEATURE_EXT_framebuffer_blit
-
static const struct gl_renderbuffer_attachment *
find_attachment(const struct gl_framebuffer *fb,
const struct gl_renderbuffer *rb)
}
+/**
+ * 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.
* when the samples must be resolved to a single color.
*/
void GLAPIENTRY
-_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+_mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
{
GL_DEPTH_BUFFER_BIT |
GL_STENCIL_BUFFER_BIT);
const struct gl_framebuffer *readFb, *drawFb;
- const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+ 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);
return;
}
- if (filter != GL_NEAREST && filter != GL_LINEAR) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
+ 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 & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
&& filter != GL_NEAREST) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter");
+ "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter)");
return;
}
/* get color read/draw renderbuffers */
if (mask & GL_COLOR_BUFFER_BIT) {
- colorReadRb = readFb->_ColorReadBuffer;
- colorDrawRb = drawFb->_ColorDrawBuffers[0];
- }
- else {
- colorReadRb = colorDrawRb = NULL;
+ 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->_StencilBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(stencil buffer size mismatch");
- return;
+ 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->_DepthBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth buffer size mismatch");
- return;
+ 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 (readFb->Visual.samples > 0 &&
- drawFb->Visual.samples > 0 &&
- readFb->Visual.samples != drawFb->Visual.samples) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(mismatched samples");
- return;
+ 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;
+ }
+ }
}
- /* extra checks for multisample copies... */
- if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
- /* src and dest region sizes must be the same */
- if (srcX1 - srcX0 != dstX1 - dstX0 ||
- srcY1 - srcY0 != dstY1 - dstY0) {
+
+ 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,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes");
+ "glBlitFramebuffer(destination samples must be 0)");
return;
}
- /* color formats must match */
- if (colorReadRb &&
- colorDrawRb &&
- colorReadRb->Format != colorDrawRb->Format) {
+ /* 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(bad src/dst multisample pixel formats");
+ "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) {
/* 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,
}
printf("\n");
- 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);
+ /* 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");
}
- 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);
}
-#endif /* FEATURE_EXT_framebuffer_blit */
-#if FEATURE_ARB_geometry_shader4
-void GLAPIENTRY
-_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level)
+
+static void
+invalidate_framebuffer_storage(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments, GLint x, GLint y,
+ GLsizei width, GLsizei height, const char *name)
{
+ int i;
+ struct gl_framebuffer *fb;
GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureARB "
- "not implemented!");
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", name);
+ return;
+ }
+
+ if (numAttachments < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(numAttachments < 0)", name);
+ return;
+ }
+
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "If an attachment is specified that does not exist in the
+ * framebuffer bound to <target>, it is ignored."
+ *
+ * It also says:
+ *
+ * "If <attachments> contains COLOR_ATTACHMENTm and m is greater than
+ * or equal to the value of MAX_COLOR_ATTACHMENTS, then the error
+ * INVALID_OPERATION is generated."
+ *
+ * No mention is made of GL_AUXi being out of range. Therefore, we allow
+ * any enum that can be allowed by the API (OpenGL ES 3.0 has a different
+ * set of retrictions).
+ */
+ for (i = 0; i < numAttachments; i++) {
+ if (_mesa_is_winsys_fbo(fb)) {
+ switch (attachments[i]) {
+ case GL_ACCUM:
+ case GL_AUX0:
+ case GL_AUX1:
+ case GL_AUX2:
+ case GL_AUX3:
+ /* Accumulation buffers and auxilary buffers were removed in
+ * OpenGL 3.1, and they never existed in OpenGL ES.
+ */
+ if (ctx->API != API_OPENGL_COMPAT)
+ goto invalid_enum;
+ break;
+ case GL_COLOR:
+ case GL_DEPTH:
+ case GL_STENCIL:
+ break;
+ case GL_BACK_LEFT:
+ case GL_BACK_RIGHT:
+ case GL_FRONT_LEFT:
+ case GL_FRONT_RIGHT:
+ if (!_mesa_is_desktop_gl(ctx))
+ goto invalid_enum;
+ break;
+ default:
+ goto invalid_enum;
+ }
+ } else {
+ switch (attachments[i]) {
+ case GL_DEPTH_ATTACHMENT:
+ case GL_STENCIL_ATTACHMENT:
+ break;
+ case GL_COLOR_ATTACHMENT0:
+ case GL_COLOR_ATTACHMENT1:
+ case GL_COLOR_ATTACHMENT2:
+ case GL_COLOR_ATTACHMENT3:
+ case GL_COLOR_ATTACHMENT4:
+ case GL_COLOR_ATTACHMENT5:
+ case GL_COLOR_ATTACHMENT6:
+ case GL_COLOR_ATTACHMENT7:
+ case GL_COLOR_ATTACHMENT8:
+ case GL_COLOR_ATTACHMENT9:
+ case GL_COLOR_ATTACHMENT10:
+ case GL_COLOR_ATTACHMENT11:
+ case GL_COLOR_ATTACHMENT12:
+ case GL_COLOR_ATTACHMENT13:
+ case GL_COLOR_ATTACHMENT14:
+ case GL_COLOR_ATTACHMENT15: {
+ unsigned k = attachments[i] - GL_COLOR_ATTACHMENT0;
+ if (k >= ctx->Const.MaxColorAttachments) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(attachment >= max. color attachments)", name);
+ return;
+ }
+ }
+ default:
+ goto invalid_enum;
+ }
+ }
+ }
+
+ /* We don't actually do anything for this yet. Just return after
+ * validating the parameters and generating the required errors.
+ */
+ return;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(attachment)", name);
+ return;
+}
+
+void GLAPIENTRY
+_mesa_InvalidateSubFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments, GLint x, GLint y,
+ GLsizei width, GLsizei height)
+{
+ invalidate_framebuffer_storage(target, numAttachments, attachments,
+ x, y, width, height,
+ "glInvalidateSubFramebuffer");
+}
+
+void GLAPIENTRY
+_mesa_InvalidateFramebuffer(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments)
+{
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "The command
+ *
+ * void InvalidateFramebuffer(enum target,
+ * sizei numAttachments,
+ * const enum *attachments);
+ *
+ * is equivalent to the command InvalidateSubFramebuffer with <x>, <y>,
+ * <width>, <height> equal to 0, 0, <MAX_VIEWPORT_DIMS[0]>,
+ * <MAX_VIEWPORT_DIMS[1]> respectively."
+ */
+ invalidate_framebuffer_storage(target, numAttachments, attachments,
+ 0, 0, MAX_VIEWPORT_WIDTH, MAX_VIEWPORT_HEIGHT,
+ "glInvalidateFramebuffer");
}
void GLAPIENTRY
-_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLenum face)
+_mesa_DiscardFramebufferEXT(GLenum target, GLsizei numAttachments,
+ const GLenum *attachments)
{
+ struct gl_framebuffer *fb;
+ GLint i;
+
GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureFaceARB "
- "not implemented!");
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glDiscardFramebufferEXT(target %s)",
+ _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
+ if (numAttachments < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glDiscardFramebufferEXT(numAttachments < 0)");
+ return;
+ }
+
+ for (i = 0; i < numAttachments; i++) {
+ switch (attachments[i]) {
+ case GL_COLOR:
+ case GL_DEPTH:
+ case GL_STENCIL:
+ if (_mesa_is_user_fbo(fb))
+ goto invalid_enum;
+ break;
+ case GL_COLOR_ATTACHMENT0:
+ case GL_DEPTH_ATTACHMENT:
+ case GL_STENCIL_ATTACHMENT:
+ if (_mesa_is_winsys_fbo(fb))
+ goto invalid_enum;
+ break;
+ default:
+ goto invalid_enum;
+ }
+ }
+
+ if (ctx->Driver.DiscardFramebuffer)
+ ctx->Driver.DiscardFramebuffer(ctx, target, numAttachments, attachments);
+
+ return;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glDiscardFramebufferEXT(attachment %s)",
+ _mesa_lookup_enum_by_nr(attachments[i]));
}
-#endif /* FEATURE_ARB_geometry_shader4 */
projects / mesa.git / blobdiff