#include "buffers.h"
#include "context.h"
#include "depthstencil.h"
+#include "formats.h"
#include "macros.h"
#include "mtypes.h"
#include "fbobject.h"
fb->ColorReadBuffer = GL_COLOR_ATTACHMENT0_EXT;
fb->_ColorReadBufferIndex = BUFFER_COLOR0;
fb->Delete = _mesa_destroy_framebuffer;
+ _glthread_INIT_MUTEX(fb->Mutex);
}
return fb;
}
/* no change */
return;
}
- if (*ptr) {
- _mesa_unreference_framebuffer(ptr);
- }
- assert(!*ptr);
- assert(fb);
- _glthread_LOCK_MUTEX(fb->Mutex);
- fb->RefCount++;
- _glthread_UNLOCK_MUTEX(fb->Mutex);
- *ptr = fb;
-}
-
-/**
- * Undo/remove a reference to a framebuffer object.
- * Decrement the framebuffer object's reference count and delete it when
- * the refcount hits zero.
- * Note: we pass the address of a pointer and set it to NULL.
- */
-void
-_mesa_unreference_framebuffer(struct gl_framebuffer **fb)
-{
- assert(fb);
- if (*fb) {
+ if (*ptr) {
+ /* unreference old renderbuffer */
GLboolean deleteFlag = GL_FALSE;
+ struct gl_framebuffer *oldFb = *ptr;
- _glthread_LOCK_MUTEX((*fb)->Mutex);
- ASSERT((*fb)->RefCount > 0);
- (*fb)->RefCount--;
- deleteFlag = ((*fb)->RefCount == 0);
- _glthread_UNLOCK_MUTEX((*fb)->Mutex);
+ _glthread_LOCK_MUTEX(oldFb->Mutex);
+ ASSERT(oldFb->RefCount > 0);
+ oldFb->RefCount--;
+ deleteFlag = (oldFb->RefCount == 0);
+ _glthread_UNLOCK_MUTEX(oldFb->Mutex);
if (deleteFlag)
- (*fb)->Delete(*fb);
+ oldFb->Delete(oldFb);
- *fb = NULL;
+ *ptr = NULL;
}
-}
-
+ assert(!*ptr);
+ if (fb) {
+ _glthread_LOCK_MUTEX(fb->Mutex);
+ fb->RefCount++;
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+ *ptr = fb;
+ }
+}
/**
struct gl_renderbuffer *rb = att->Renderbuffer;
/* only resize if size is changing */
if (rb->Width != width || rb->Height != height) {
- /* could just as well pass rb->_ActualFormat here */
if (rb->AllocStorage(ctx, rb, rb->InternalFormat, width, height)) {
ASSERT(rb->Width == width);
ASSERT(rb->Height == height);
for (i = 0; i < BUFFER_COUNT; i++) {
if (fb->Attachment[i].Renderbuffer) {
const struct gl_renderbuffer *rb = fb->Attachment[i].Renderbuffer;
- if (rb->_BaseFormat == GL_RGBA || rb->_BaseFormat == GL_RGB) {
- fb->Visual.redBits = rb->RedBits;
- fb->Visual.greenBits = rb->GreenBits;
- fb->Visual.blueBits = rb->BlueBits;
- fb->Visual.alphaBits = rb->AlphaBits;
+ const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
+ const gl_format fmt = rb->Format;
+
+ if (baseFormat == GL_RGBA || baseFormat == GL_RGB) {
+ fb->Visual.redBits = _mesa_get_format_bits(fmt, GL_RED_BITS);
+ fb->Visual.greenBits = _mesa_get_format_bits(fmt, GL_GREEN_BITS);
+ fb->Visual.blueBits = _mesa_get_format_bits(fmt, GL_BLUE_BITS);
+ fb->Visual.alphaBits = _mesa_get_format_bits(fmt, GL_ALPHA_BITS);
fb->Visual.rgbBits = fb->Visual.redBits
+ fb->Visual.greenBits + fb->Visual.blueBits;
fb->Visual.floatMode = GL_FALSE;
fb->Visual.samples = rb->NumSamples;
break;
}
- else if (rb->_BaseFormat == GL_COLOR_INDEX) {
- fb->Visual.indexBits = rb->IndexBits;
+ else if (baseFormat == GL_COLOR_INDEX) {
+ fb->Visual.indexBits = _mesa_get_format_bits(fmt, GL_INDEX_BITS);
fb->Visual.rgbMode = GL_FALSE;
break;
}
}
if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) {
+ const struct gl_renderbuffer *rb =
+ fb->Attachment[BUFFER_DEPTH].Renderbuffer;
+ const gl_format fmt = rb->Format;
fb->Visual.haveDepthBuffer = GL_TRUE;
- fb->Visual.depthBits
- = fb->Attachment[BUFFER_DEPTH].Renderbuffer->DepthBits;
+ fb->Visual.depthBits = _mesa_get_format_bits(fmt, GL_DEPTH_BITS);
}
if (fb->Attachment[BUFFER_STENCIL].Renderbuffer) {
+ const struct gl_renderbuffer *rb =
+ fb->Attachment[BUFFER_STENCIL].Renderbuffer;
+ const gl_format fmt = rb->Format;
fb->Visual.haveStencilBuffer = GL_TRUE;
- fb->Visual.stencilBits
- = fb->Attachment[BUFFER_STENCIL].Renderbuffer->StencilBits;
+ fb->Visual.stencilBits = _mesa_get_format_bits(fmt, GL_STENCIL_BITS);
}
if (fb->Attachment[BUFFER_ACCUM].Renderbuffer) {
+ const struct gl_renderbuffer *rb =
+ fb->Attachment[BUFFER_ACCUM].Renderbuffer;
+ const gl_format fmt = rb->Format;
fb->Visual.haveAccumBuffer = GL_TRUE;
- fb->Visual.accumRedBits
- = fb->Attachment[BUFFER_ACCUM].Renderbuffer->RedBits;
- fb->Visual.accumGreenBits
- = fb->Attachment[BUFFER_ACCUM].Renderbuffer->GreenBits;
- fb->Visual.accumBlueBits
- = fb->Attachment[BUFFER_ACCUM].Renderbuffer->BlueBits;
- fb->Visual.accumAlphaBits
- = fb->Attachment[BUFFER_ACCUM].Renderbuffer->AlphaBits;
+ fb->Visual.accumRedBits = _mesa_get_format_bits(fmt, GL_RED_BITS);
+ fb->Visual.accumGreenBits = _mesa_get_format_bits(fmt, GL_GREEN_BITS);
+ fb->Visual.accumBlueBits = _mesa_get_format_bits(fmt, GL_BLUE_BITS);
+ fb->Visual.accumAlphaBits = _mesa_get_format_bits(fmt, GL_ALPHA_BITS);
}
compute_depth_max(fb);
depthRb = fb->Attachment[attIndex].Renderbuffer;
- if (depthRb && depthRb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
+ if (depthRb && depthRb->_BaseFormat == GL_DEPTH_STENCIL) {
/* The attached depth buffer is a GL_DEPTH_STENCIL renderbuffer */
if (!fb->_DepthBuffer
|| fb->_DepthBuffer->Wrapped != depthRb
- || fb->_DepthBuffer->_BaseFormat != GL_DEPTH_COMPONENT) {
+ || _mesa_get_format_base_format(fb->_DepthBuffer->Format) != GL_DEPTH_COMPONENT) {
/* need to update wrapper */
struct gl_renderbuffer *wrapper
= _mesa_new_z24_renderbuffer_wrapper(ctx, depthRb);
stencilRb = fb->Attachment[attIndex].Renderbuffer;
- if (stencilRb && stencilRb->_ActualFormat == GL_DEPTH24_STENCIL8_EXT) {
+ if (stencilRb && stencilRb->_BaseFormat == GL_DEPTH_STENCIL) {
/* The attached stencil buffer is a GL_DEPTH_STENCIL renderbuffer */
if (!fb->_StencilBuffer
|| fb->_StencilBuffer->Wrapped != stencilRb
- || fb->_StencilBuffer->_BaseFormat != GL_STENCIL_INDEX) {
+ || _mesa_get_format_base_format(fb->_StencilBuffer->Format) != GL_STENCIL_INDEX) {
/* need to update wrapper */
struct gl_renderbuffer *wrapper
= _mesa_new_s8_renderbuffer_wrapper(ctx, stencilRb);
/* This is a user-created framebuffer.
* Completeness only matters for user-created framebuffers.
*/
- _mesa_test_framebuffer_completeness(ctx, fb);
- _mesa_update_framebuffer_visual(fb);
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE) {
+ _mesa_test_framebuffer_completeness(ctx, fb);
+ }
}
/* Strictly speaking, we don't need to update the draw-state
/**
* Check if the renderbuffer for a read operation (glReadPixels, glCopyPixels,
- * glCopyTex[Sub]Image, etc. exists.
+ * glCopyTex[Sub]Image, etc) exists.
* \param format a basic image format such as GL_RGB, GL_RGBA, GL_ALPHA,
* GL_DEPTH_COMPONENT, etc. or GL_COLOR, GL_DEPTH, GL_STENCIL.
* \return GL_TRUE if buffer exists, GL_FALSE otherwise
GLboolean
_mesa_source_buffer_exists(GLcontext *ctx, GLenum format)
{
- const struct gl_renderbuffer_attachment *att
- = ctx->ReadBuffer->Attachment;
+ const struct gl_renderbuffer_attachment *att = ctx->ReadBuffer->Attachment;
+
+ /* If we don't know the framebuffer status, update it now */
+ if (ctx->ReadBuffer->_Status == 0) {
+ _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
+ }
if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
return GL_FALSE;
if (ctx->ReadBuffer->_ColorReadBuffer == NULL) {
return GL_FALSE;
}
- /* XXX enable this post 6.5 release:
- ASSERT(ctx->ReadBuffer->_ColorReadBuffer->RedBits > 0 ||
- ctx->ReadBuffer->_ColorReadBuffer->IndexBits > 0);
- */
+ ASSERT(_mesa_get_format_bits(ctx->ReadBuffer->_ColorReadBuffer->Format, GL_RED_BITS) > 0 ||
+ _mesa_get_format_bits(ctx->ReadBuffer->_ColorReadBuffer->Format, GL_INDEX_BITS) > 0);
break;
case GL_DEPTH:
case GL_DEPTH_COMPONENT:
if (!att[BUFFER_DEPTH].Renderbuffer) {
return GL_FALSE;
}
- ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);
+ /*ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);*/
break;
case GL_STENCIL:
case GL_STENCIL_INDEX:
if (!att[BUFFER_STENCIL].Renderbuffer) {
return GL_FALSE;
}
- ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);
+ /*ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);*/
break;
case GL_DEPTH_STENCIL_EXT:
if (!att[BUFFER_DEPTH].Renderbuffer ||
!att[BUFFER_STENCIL].Renderbuffer) {
return GL_FALSE;
}
+ /*
ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);
ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);
+ */
break;
default:
_mesa_problem(ctx,
/**
* As above, but for drawing operations.
- * XXX code do some code merging w/ above function.
+ * XXX could do some code merging w/ above function.
*/
GLboolean
_mesa_dest_buffer_exists(GLcontext *ctx, GLenum format)
{
- const struct gl_renderbuffer_attachment *att
- = ctx->ReadBuffer->Attachment;
+ const struct gl_renderbuffer_attachment *att = ctx->DrawBuffer->Attachment;
+
+ /* If we don't know the framebuffer status, update it now */
+ if (ctx->DrawBuffer->_Status == 0) {
+ _mesa_test_framebuffer_completeness(ctx, ctx->DrawBuffer);
+ }
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
return GL_FALSE;
case GL_BGRA:
case GL_ABGR_EXT:
case GL_COLOR_INDEX:
- /* nothing special */
+ /* Nothing special since GL_DRAW_BUFFER could be GL_NONE. */
/* Could assert that colorbuffer has RedBits > 0 */
break;
case GL_DEPTH:
if (!att[BUFFER_DEPTH].Renderbuffer) {
return GL_FALSE;
}
- ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);
+ /*ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);*/
break;
case GL_STENCIL:
case GL_STENCIL_INDEX:
if (!att[BUFFER_STENCIL].Renderbuffer) {
return GL_FALSE;
}
- ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);
+ /*ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);*/
break;
case GL_DEPTH_STENCIL_EXT:
if (!att[BUFFER_DEPTH].Renderbuffer ||
!att[BUFFER_STENCIL].Renderbuffer) {
return GL_FALSE;
}
+ /*
ASSERT(att[BUFFER_DEPTH].Renderbuffer->DepthBits > 0);
ASSERT(att[BUFFER_STENCIL].Renderbuffer->StencilBits > 0);
+ */
break;
default:
_mesa_problem(ctx,
- "Unexpected format 0x%x in _mesa_source_buffer_exists",
+ "Unexpected format 0x%x in _mesa_dest_buffer_exists",
format);
return GL_FALSE;
}
/* OK */
return GL_TRUE;
}
+
+GLenum
+_mesa_get_color_read_format(GLcontext *ctx)
+{
+ switch (ctx->ReadBuffer->_ColorReadBuffer->Format) {
+ case MESA_FORMAT_ARGB8888:
+ return GL_BGRA;
+ case MESA_FORMAT_RGB565:
+ return GL_BGR;
+ default:
+ return GL_RGBA;
+ }
+}
+
+GLenum
+_mesa_get_color_read_type(GLcontext *ctx)
+{
+ switch (ctx->ReadBuffer->_ColorReadBuffer->Format) {
+ case MESA_FORMAT_ARGB8888:
+ return GL_UNSIGNED_BYTE;
+ case MESA_FORMAT_RGB565:
+ return GL_UNSIGNED_SHORT_5_6_5_REV;
+ default:
+ return GL_UNSIGNED_BYTE;
+ }
+}
projects / mesa.git / blobdiff