/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul 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.
*/
/**
#undef __WIN32__
#endif
+#include <stdio.h>
#include "xm_api.h"
#include "xm_st.h"
+#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/st_api.h"
+
+#include "util/u_atomic.h"
+#include "util/u_inlines.h"
+#include "util/u_math.h"
+
+#include "hud/hud_context.h"
+
+#include "main/errors.h"
+#include "main/imports.h"
#include "xm_public.h"
#include <GL/glx.h>
}
-/*
- * XXX replace this with a linked list, or better yet, try to attach the
- * gallium/mesa extra bits to the X Display object with XAddExtension().
- */
-#define MAX_DISPLAYS 10
-static struct xmesa_display Displays[MAX_DISPLAYS];
-static int NumDisplays = 0;
-
static int
xmesa_get_param(struct st_manager *smapi,
enum st_manager_param param)
}
}
+/* linked list of XMesaDisplay hooks per display */
+typedef struct _XMesaExtDisplayInfo {
+ struct _XMesaExtDisplayInfo *next;
+ Display *display;
+ struct xmesa_display mesaDisplay;
+} XMesaExtDisplayInfo;
+
+typedef struct _XMesaExtInfo {
+ XMesaExtDisplayInfo *head;
+ int ndisplays;
+} XMesaExtInfo;
+
+static XMesaExtInfo MesaExtInfo;
+
+/* hook to delete XMesaDisplay on XDestroyDisplay */
+extern void
+xmesa_close_display(Display *display)
+{
+ XMesaExtDisplayInfo *info, *prev;
+
+ /* These assertions are not valid since screen creation can fail and result
+ * in an empty list
+ assert(MesaExtInfo.ndisplays > 0);
+ assert(MesaExtInfo.head);
+ */
+
+ _XLockMutex(_Xglobal_lock);
+ /* first find display */
+ prev = NULL;
+ for (info = MesaExtInfo.head; info; info = info->next) {
+ if (info->display == display) {
+ prev = info;
+ break;
+ }
+ }
+
+ if (info == NULL) {
+ /* no display found */
+ _XUnlockMutex(_Xglobal_lock);
+ return;
+ }
+
+ /* remove display entry from list */
+ if (prev != MesaExtInfo.head) {
+ prev->next = info->next;
+ } else {
+ MesaExtInfo.head = info->next;
+ }
+ MesaExtInfo.ndisplays--;
+
+ _XUnlockMutex(_Xglobal_lock);
+
+ /* don't forget to clean up mesaDisplay */
+ XMesaDisplay xmdpy = &info->mesaDisplay;
+
+ /**
+ * XXX: Don't destroy the screens here, since there may still
+ * be some dangling screen pointers that are used after this point
+ * if (xmdpy->screen) {
+ * xmdpy->screen->destroy(xmdpy->screen);
+ * }
+ */
+
+ if (xmdpy->smapi->destroy)
+ xmdpy->smapi->destroy(xmdpy->smapi);
+ free(xmdpy->smapi);
+
+ XFree((char *) info);
+}
+
static XMesaDisplay
xmesa_init_display( Display *display )
{
- pipe_static_mutex(init_mutex);
+ static mtx_t init_mutex = _MTX_INITIALIZER_NP;
XMesaDisplay xmdpy;
- int i;
+ XMesaExtDisplayInfo *info;
+
+ if (display == NULL) {
+ return NULL;
+ }
- pipe_mutex_lock(init_mutex);
+ mtx_lock(&init_mutex);
- /* Look for XMesaDisplay which corresponds to 'display' */
- for (i = 0; i < NumDisplays; i++) {
- if (Displays[i].display == display) {
+ /* Look for XMesaDisplay which corresponds to this display */
+ info = MesaExtInfo.head;
+ while(info) {
+ if (info->display == display) {
/* Found it */
- pipe_mutex_unlock(init_mutex);
- return &Displays[i];
+ mtx_unlock(&init_mutex);
+ return &info->mesaDisplay;
}
+ info = info->next;
}
- /* Create new XMesaDisplay */
+ /* Not found. Create new XMesaDisplay */
+ /* first allocate X-related resources and hook destroy callback */
- assert(NumDisplays < MAX_DISPLAYS);
- xmdpy = &Displays[NumDisplays];
- NumDisplays++;
+ /* allocate mesa display info */
+ info = (XMesaExtDisplayInfo *) Xmalloc(sizeof(XMesaExtDisplayInfo));
+ if (info == NULL) {
+ mtx_unlock(&init_mutex);
+ return NULL;
+ }
+ info->display = display;
- if (!xmdpy->display && display) {
- xmdpy->display = display;
- xmdpy->screen = driver.create_pipe_screen(display);
- xmdpy->smapi = CALLOC_STRUCT(st_manager);
- if (xmdpy->smapi) {
- xmdpy->smapi->screen = xmdpy->screen;
- xmdpy->smapi->get_param = xmesa_get_param;
- }
+ xmdpy = &info->mesaDisplay; /* to be filled out below */
+ xmdpy->display = display;
+ xmdpy->pipe = NULL;
- if (xmdpy->screen && xmdpy->smapi) {
- pipe_mutex_init(xmdpy->mutex);
- }
- else {
- if (xmdpy->screen) {
- xmdpy->screen->destroy(xmdpy->screen);
- xmdpy->screen = NULL;
- }
- if (xmdpy->smapi) {
- FREE(xmdpy->smapi);
- xmdpy->smapi = NULL;
- }
+ xmdpy->smapi = CALLOC_STRUCT(st_manager);
+ if (!xmdpy->smapi) {
+ Xfree(info);
+ mtx_unlock(&init_mutex);
+ return NULL;
+ }
- xmdpy->display = NULL;
- }
+ xmdpy->screen = driver.create_pipe_screen(display);
+ if (!xmdpy->screen) {
+ free(xmdpy->smapi);
+ Xfree(info);
+ mtx_unlock(&init_mutex);
+ return NULL;
}
- if (!xmdpy->display || xmdpy->display != display)
- xmdpy = NULL;
- pipe_mutex_unlock(init_mutex);
+ /* At this point, both smapi and screen are known to be valid */
+ xmdpy->smapi->screen = xmdpy->screen;
+ xmdpy->smapi->get_param = xmesa_get_param;
+ (void) mtx_init(&xmdpy->mutex, mtx_plain);
+
+ /* chain to the list of displays */
+ _XLockMutex(_Xglobal_lock);
+ info->next = MesaExtInfo.head;
+ MesaExtInfo.head = info;
+ MesaExtInfo.ndisplays++;
+ _XUnlockMutex(_Xglobal_lock);
+
+ mtx_unlock(&init_mutex);
return xmdpy;
}
+
/**********************************************************************/
/***** X Utility Functions *****/
/**********************************************************************/
/* Create a temporary XImage */
img = XCreateImage( dpy, visinfo->visual, visinfo->depth,
ZPixmap, 0, /*format, offset*/
- (char*) MALLOC(8), /*data*/
+ malloc(8), /*data*/
1, 1, /*width, height*/
32, /*bitmap_pad*/
0 /*bytes_per_line*/
* Do this by calling XGetWindowAttributes() for the window and
* checking if we catch an X error.
* Input: dpy - the display
- * win - the window to check for existance
+ * win - the window to check for existence
* Return: GL_TRUE - window exists
* GL_FALSE - window doesn't exist
*/
XMesaDisplay xmdpy = xmesa_init_display(dpy);
Status stat;
- pipe_mutex_lock(xmdpy->mutex);
+ mtx_lock(&xmdpy->mutex);
stat = get_drawable_size(dpy, b->ws.drawable, width, height);
- pipe_mutex_unlock(xmdpy->mutex);
+ mtx_unlock(&xmdpy->mutex);
if (!stat) {
/* probably querying a window that's recently been destroyed */
&& v->BitsPerPixel == 32) {
if (native_byte_order) {
/* no byteswapping needed */
- return PIPE_FORMAT_R8G8B8A8_UNORM;
+ return PIPE_FORMAT_RGBA8888_UNORM;
}
else {
- return PIPE_FORMAT_A8B8G8R8_UNORM;
+ return PIPE_FORMAT_ABGR8888_UNORM;
}
}
else if ( GET_REDMASK(v) == 0xff0000
&& v->BitsPerPixel == 32) {
if (native_byte_order) {
/* no byteswapping needed */
- return PIPE_FORMAT_B8G8R8A8_UNORM;
+ return PIPE_FORMAT_BGRA8888_UNORM;
}
else {
- return PIPE_FORMAT_A8R8G8B8_UNORM;
+ return PIPE_FORMAT_ARGB8888_UNORM;
}
}
else if ( GET_REDMASK(v) == 0x0000ff00
&& v->BitsPerPixel == 32) {
if (native_byte_order) {
/* no byteswapping needed */
- return PIPE_FORMAT_A8R8G8B8_UNORM;
+ return PIPE_FORMAT_ARGB8888_UNORM;
}
else {
- return PIPE_FORMAT_B8G8R8A8_UNORM;
+ return PIPE_FORMAT_BGRA8888_UNORM;
}
}
else if ( GET_REDMASK(v) == 0xf800
* stencil sizes.
*/
static enum pipe_format
-choose_depth_stencil_format(XMesaDisplay xmdpy, int depth, int stencil)
+choose_depth_stencil_format(XMesaDisplay xmdpy, int depth, int stencil,
+ int sample_count)
{
const enum pipe_texture_target target = PIPE_TEXTURE_2D;
const unsigned tex_usage = PIPE_BIND_DEPTH_STENCIL;
- const unsigned geom_flags = (PIPE_TEXTURE_GEOM_NON_SQUARE |
- PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO);
- const unsigned sample_count = 0;
enum pipe_format formats[8], fmt;
int count, i;
formats[count++] = PIPE_FORMAT_Z24X8_UNORM;
}
if (depth <= 24 && stencil <= 8) {
- formats[count++] = PIPE_FORMAT_S8_USCALED_Z24_UNORM;
- formats[count++] = PIPE_FORMAT_Z24_UNORM_S8_USCALED;
+ formats[count++] = PIPE_FORMAT_S8_UINT_Z24_UNORM;
+ formats[count++] = PIPE_FORMAT_Z24_UNORM_S8_UINT;
}
if (depth <= 32 && stencil == 0) {
formats[count++] = PIPE_FORMAT_Z32_UNORM;
for (i = 0; i < count; i++) {
if (xmdpy->screen->is_format_supported(xmdpy->screen, formats[i],
target, sample_count,
- tex_usage, geom_flags)) {
+ sample_count, tex_usage)) {
fmt = formats[i];
break;
}
/**
* Allocate a new XMesaBuffer object which corresponds to the given drawable.
- * Note that XMesaBuffer is derived from GLframebuffer.
+ * Note that XMesaBuffer is derived from struct gl_framebuffer.
* The new XMesaBuffer will not have any size (Width=Height=0).
*
* \param d the corresponding X drawable (window or pixmap)
{
XMesaDisplay xmdpy = xmesa_init_display(vis->display);
XMesaBuffer b;
- uint width, height;
- ASSERT(type == WINDOW || type == PIXMAP || type == PBUFFER);
+ assert(type == WINDOW || type == PIXMAP || type == PBUFFER);
if (!xmdpy)
return NULL;
b->type = type;
b->cmap = cmap;
- get_drawable_size(vis->display, d, &width, &height);
+ get_drawable_size(vis->display, d, &b->width, &b->height);
/*
* Create framebuffer, but we'll plug in our own renderbuffers below.
*/
b->ws.drawable = 0;
+ /* Notify the st manager that the associated framebuffer interface
+ * object is no longer valid.
+ */
+ stapi->destroy_drawable(stapi, buffer->stfb);
+
/* XXX we should move the buffer to a delete-pending list and destroy
* the buffer until it is no longer current.
*/
* initializing the context's visual and buffer information.
* \param v the XMesaVisual to initialize
* \param b the XMesaBuffer to initialize (may be NULL)
- * \param rgb_flag TRUE = RGBA mode, FALSE = color index mode
* \param window the window/pixmap we're rendering into
* \param cmap the colormap associated with the window/pixmap
* \return GL_TRUE=success, GL_FALSE=failure
*/
static GLboolean
initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
- GLboolean rgb_flag, Drawable window,
- Colormap cmap)
+ Drawable window, Colormap cmap)
{
- ASSERT(!b || b->xm_visual == v);
+ assert(!b || b->xm_visual == v);
/* Save true bits/pixel */
v->BitsPerPixel = bits_per_pixel(v);
assert(v->BitsPerPixel > 0);
- if (rgb_flag == GL_FALSE) {
- /* COLOR-INDEXED WINDOW: not supported*/
+ /* RGB WINDOW:
+ * We support RGB rendering into almost any kind of visual.
+ */
+ const int xclass = v->visualType;
+ if (xclass != GLX_TRUE_COLOR && xclass != GLX_DIRECT_COLOR) {
+ _mesa_warning(NULL,
+ "XMesa: RGB mode rendering not supported in given visual.\n");
return GL_FALSE;
}
- else {
- /* RGB WINDOW:
- * We support RGB rendering into almost any kind of visual.
- */
- const int xclass = v->visualType;
- if (xclass != GLX_TRUE_COLOR && xclass == !GLX_DIRECT_COLOR) {
- _mesa_warning(NULL,
- "XMesa: RGB mode rendering not supported in given visual.\n");
- return GL_FALSE;
- }
- v->mesa_visual.indexBits = 0;
- if (v->BitsPerPixel == 32) {
- /* We use XImages for all front/back buffers. If an X Window or
- * X Pixmap is 32bpp, there's no guarantee that the alpha channel
- * will be preserved. For XImages we're in luck.
- */
- v->mesa_visual.alphaBits = 8;
- }
+ if (v->BitsPerPixel == 32) {
+ /* We use XImages for all front/back buffers. If an X Window or
+ * X Pixmap is 32bpp, there's no guarantee that the alpha channel
+ * will be preserved. For XImages we're in luck.
+ */
+ v->mesa_visual.alphaBits = 8;
}
/*
* which can help Brian figure out what's going on when a user
* reports bugs.
*/
- if (_mesa_getenv("MESA_INFO")) {
+ if (getenv("MESA_INFO")) {
printf("X/Mesa visual = %p\n", (void *) v);
printf("X/Mesa level = %d\n", v->mesa_visual.level);
printf("X/Mesa depth = %d\n", v->visinfo->depth);
if (!xmdpy)
return NULL;
+ if (!rgb_flag)
+ return NULL;
+
/* For debugging only */
- if (_mesa_getenv("MESA_XSYNC")) {
+ if (getenv("MESA_XSYNC")) {
/* This makes debugging X easier.
* In your debugger, set a breakpoint on _XError to stop when an
* X protocol error is generated.
* the struct but we may need some of the information contained in it
* at a later time.
*/
- v->visinfo = (XVisualInfo *) MALLOC(sizeof(*visinfo));
+ v->visinfo = malloc(sizeof(*visinfo));
if (!v->visinfo) {
free(v);
return NULL;
if (alpha_flag)
v->mesa_visual.alphaBits = 8;
- (void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 );
+ (void) initialize_visual_and_buffer( v, NULL, 0, 0 );
{
const int xclass = v->visualType;
if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) {
- red_bits = _mesa_bitcount(GET_REDMASK(v));
- green_bits = _mesa_bitcount(GET_GREENMASK(v));
- blue_bits = _mesa_bitcount(GET_BLUEMASK(v));
+ red_bits = util_bitcount(GET_REDMASK(v));
+ green_bits = util_bitcount(GET_GREENMASK(v));
+ blue_bits = util_bitcount(GET_BLUEMASK(v));
}
else {
/* this is an approximation */
{
struct gl_config *vis = &v->mesa_visual;
- vis->rgbMode = GL_TRUE;
vis->doubleBufferMode = db_flag;
vis->stereoMode = stereo_flag;
vis->alphaBits = alpha_bits;
vis->rgbBits = red_bits + green_bits + blue_bits;
- vis->indexBits = 0;
vis->depthBits = depth_size;
vis->stencilBits = stencil_size;
vis->accumBlueBits = accum_blue_size;
vis->accumAlphaBits = accum_alpha_size;
- vis->haveAccumBuffer = accum_red_size > 0;
- vis->haveDepthBuffer = depth_size > 0;
- vis->haveStencilBuffer = stencil_size > 0;
-
vis->numAuxBuffers = 0;
vis->level = 0;
- vis->sampleBuffers = 0;
- vis->samples = 0;
+ vis->sampleBuffers = num_samples > 1;
+ vis->samples = num_samples;
}
v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_LEFT_MASK;
}
v->stvis.color_format = choose_pixel_format(v);
+
+ /* Check format support at requested num_samples (for multisample) */
+ if (!xmdpy->screen->is_format_supported(xmdpy->screen,
+ v->stvis.color_format,
+ PIPE_TEXTURE_2D, num_samples,
+ num_samples,
+ PIPE_BIND_RENDER_TARGET))
+ v->stvis.color_format = PIPE_FORMAT_NONE;
+
if (v->stvis.color_format == PIPE_FORMAT_NONE) {
- FREE(v->visinfo);
- FREE(v);
+ free(v->visinfo);
+ free(v);
return NULL;
}
v->stvis.depth_stencil_format =
- choose_depth_stencil_format(xmdpy, depth_size, stencil_size);
+ choose_depth_stencil_format(xmdpy, depth_size, stencil_size,
+ num_samples);
v->stvis.accum_format = (accum_red_size +
accum_green_size + accum_blue_size + accum_alpha_size) ?
}
+/**
+ * Return the informative name.
+ */
+const char *
+xmesa_get_name(void)
+{
+ return stapi->name;
+}
+
+
/**
* Do per-display initializations.
*/
-void
+int
xmesa_init( Display *display )
{
- xmesa_init_display(display);
+ return xmesa_init_display(display) ? 0 : 1;
}
* \return an XMesaContext or NULL if error.
*/
PUBLIC
-XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
+XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list,
+ GLuint major, GLuint minor,
+ GLuint profileMask, GLuint contextFlags)
{
XMesaDisplay xmdpy = xmesa_init_display(v->display);
struct st_context_attribs attribs;
+ enum st_context_error ctx_err = 0;
XMesaContext c;
if (!xmdpy)
- return NULL;
+ goto no_xmesa_context;
- /* Note: the XMesaContext contains a Mesa GLcontext struct (inheritance) */
+ /* Note: the XMesaContext contains a Mesa struct gl_context struct (inheritance) */
c = (XMesaContext) CALLOC_STRUCT(xmesa_context);
if (!c)
- return NULL;
+ goto no_xmesa_context;
c->xm_visual = v;
c->xm_buffer = NULL; /* set later by XMesaMakeCurrent */
c->xm_read_buffer = NULL;
memset(&attribs, 0, sizeof(attribs));
- attribs.profile = ST_PROFILE_DEFAULT;
attribs.visual = v->stvis;
+ attribs.major = major;
+ attribs.minor = minor;
+ if (contextFlags & GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB)
+ attribs.flags |= ST_CONTEXT_FLAG_FORWARD_COMPATIBLE;
+ if (contextFlags & GLX_CONTEXT_DEBUG_BIT_ARB)
+ attribs.flags |= ST_CONTEXT_FLAG_DEBUG;
+ if (contextFlags & GLX_CONTEXT_ROBUST_ACCESS_BIT_ARB)
+ attribs.flags |= ST_CONTEXT_FLAG_ROBUST_ACCESS;
+
+ switch (profileMask) {
+ case GLX_CONTEXT_CORE_PROFILE_BIT_ARB:
+ /* There are no profiles before OpenGL 3.2. The
+ * GLX_ARB_create_context_profile spec says:
+ *
+ * "If the requested OpenGL version is less than 3.2,
+ * GLX_CONTEXT_PROFILE_MASK_ARB is ignored and the functionality
+ * of the context is determined solely by the requested version."
+ */
+ if (major > 3 || (major == 3 && minor >= 2)) {
+ attribs.profile = ST_PROFILE_OPENGL_CORE;
+ break;
+ }
+ /* fall-through */
+ case GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB:
+ /*
+ * The spec also says:
+ *
+ * "If version 3.1 is requested, the context returned may implement
+ * any of the following versions:
+ *
+ * * Version 3.1. The GL_ARB_compatibility extension may or may not
+ * be implemented, as determined by the implementation.
+ * * The core profile of version 3.2 or greater."
+ *
+ * and because Mesa doesn't support GL_ARB_compatibility, the only chance to
+ * honour a 3.1 context is through core profile.
+ */
+ if (major == 3 && minor == 1) {
+ attribs.profile = ST_PROFILE_OPENGL_CORE;
+ } else {
+ attribs.profile = ST_PROFILE_DEFAULT;
+ }
+ break;
+ case GLX_CONTEXT_ES_PROFILE_BIT_EXT:
+ if (major >= 2) {
+ attribs.profile = ST_PROFILE_OPENGL_ES2;
+ } else {
+ attribs.profile = ST_PROFILE_OPENGL_ES1;
+ }
+ break;
+ default:
+ assert(0);
+ goto no_st;
+ }
- c->st = stapi->create_context(stapi, xmdpy->smapi,
- &attribs, (share_list) ? share_list->st : NULL);
+ c->st = stapi->create_context(stapi, xmdpy->smapi, &attribs,
+ &ctx_err, (share_list) ? share_list->st : NULL);
if (c->st == NULL)
- goto fail;
+ goto no_st;
c->st->st_manager_private = (void *) c;
- return c;
+ c->hud = hud_create(c->st->cso_context, NULL);
-fail:
- if (c->st)
- c->st->destroy(c->st);
+ return c;
+no_st:
free(c);
+no_xmesa_context:
return NULL;
}
PUBLIC
void XMesaDestroyContext( XMesaContext c )
{
+ if (c->hud) {
+ hud_destroy(c->hud, NULL);
+ }
+
c->st->destroy(c->st);
/* FIXME: We should destroy the screen here, but if we do so, surfaces may
if (!b)
return NULL;
- if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode,
- (Drawable) w, cmap )) {
+ if (!initialize_visual_and_buffer( v, b, (Drawable) w, cmap )) {
xmesa_free_buffer(b);
return NULL;
}
if (!b)
return NULL;
- if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
- (Drawable) p, cmap)) {
+ if (!initialize_visual_and_buffer(v, b, (Drawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
if (ctx->Extensions.ARB_texture_non_power_of_two) {
target = GLX_TEXTURE_2D_EXT;
}
- else if ( _mesa_bitcount(b->width) == 1
- && _mesa_bitcount(b->height) == 1) {
+ else if ( util_bitcount(b->width) == 1
+ && util_bitcount(b->height) == 1) {
/* power of two size */
if (b->height == 1) {
target = GLX_TEXTURE_1D_EXT;
b->TextureFormat = format;
b->TextureMipmap = mipmap;
- if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
- (Drawable) p, cmap)) {
+ if (!initialize_visual_and_buffer(v, b, (Drawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
if (!b)
return NULL;
- if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
- drawable, cmap)) {
+ if (!initialize_visual_and_buffer(v, b, drawable, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
void
xmesa_notify_invalid_buffer(XMesaBuffer b)
{
- XMesaContext xmctx = XMesaGetCurrentContext();
-
- if (xmctx && xmctx->xm_buffer == b)
- xmctx->st->notify_invalid_framebuffer(xmctx->st, b->stfb);
+ p_atomic_inc(&b->stfb->stamp);
}
void
xmesa_check_buffer_size(XMesaBuffer b)
{
+ GLuint old_width, old_height;
+
+ if (!b)
+ return;
+
if (b->type == PBUFFER)
return;
+ old_width = b->width;
+ old_height = b->height;
+
xmesa_get_window_size(b->xm_visual->display, b, &b->width, &b->height);
- xmesa_notify_invalid_buffer(b);
+
+ if (b->width != old_width || b->height != old_height)
+ xmesa_notify_invalid_buffer(b);
}
}
if (c) {
- if (!drawBuffer || !readBuffer)
- return GL_FALSE; /* must specify buffers! */
+ if (!drawBuffer != !readBuffer) {
+ return GL_FALSE; /* must specify zero or two buffers! */
+ }
if (c == old_ctx &&
c->xm_buffer == drawBuffer &&
c->xm_buffer = drawBuffer;
c->xm_read_buffer = readBuffer;
- stapi->make_current(stapi, c->st, drawBuffer->stfb, readBuffer->stfb);
+ stapi->make_current(stapi, c->st,
+ drawBuffer ? drawBuffer->stfb : NULL,
+ readBuffer ? readBuffer->stfb : NULL);
/* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */
- drawBuffer->wasCurrent = GL_TRUE;
+ if (drawBuffer)
+ drawBuffer->wasCurrent = GL_TRUE;
}
else {
/* Detach */
{
XMesaContext xmctx = XMesaGetCurrentContext();
+ /* Need to draw HUD before flushing */
+ if (xmctx && xmctx->hud) {
+ struct pipe_resource *back =
+ xmesa_get_framebuffer_resource(b->stfb, ST_ATTACHMENT_BACK_LEFT);
+ hud_run(xmctx->hud, NULL, back);
+ }
+
if (xmctx && xmctx->xm_buffer == b) {
- xmctx->st->flush( xmctx->st,
- PIPE_FLUSH_RENDER_CACHE |
- PIPE_FLUSH_SWAPBUFFERS |
- PIPE_FLUSH_FRAME,
- NULL);
+ xmctx->st->flush( xmctx->st, ST_FLUSH_FRONT, NULL);
}
xmesa_swap_st_framebuffer(b->stfb);
*/
void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height )
{
+ XMesaContext xmctx = XMesaGetCurrentContext();
+
+ xmctx->st->flush( xmctx->st, ST_FLUSH_FRONT, NULL);
+
xmesa_copy_st_framebuffer(b->stfb,
ST_ATTACHMENT_BACK_LEFT, ST_ATTACHMENT_FRONT_LEFT,
- x, y, width, height);
+ x, b->height - y - height, width, height);
}
XMesaDisplay xmdpy = xmesa_init_display(c->xm_visual->display);
struct pipe_fence_handle *fence = NULL;
- c->st->flush(c->st, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
+ c->st->flush(c->st, ST_FLUSH_FRONT, &fence);
if (fence) {
- xmdpy->screen->fence_finish(xmdpy->screen, fence, 0);
+ xmdpy->screen->fence_finish(xmdpy->screen, NULL, fence,
+ PIPE_TIMEOUT_INFINITE);
xmdpy->screen->fence_reference(xmdpy->screen, &fence, NULL);
}
XFlush( c->xm_visual->display );
}
+static enum st_attachment_type xmesa_attachment_type(int glx_attachment)
+{
+ switch(glx_attachment) {
+ case GLX_FRONT_LEFT_EXT:
+ return ST_ATTACHMENT_FRONT_LEFT;
+ case GLX_FRONT_RIGHT_EXT:
+ return ST_ATTACHMENT_FRONT_RIGHT;
+ case GLX_BACK_LEFT_EXT:
+ return ST_ATTACHMENT_BACK_LEFT;
+ case GLX_BACK_RIGHT_EXT:
+ return ST_ATTACHMENT_BACK_RIGHT;
+ default:
+ assert(0);
+ return ST_ATTACHMENT_FRONT_LEFT;
+ }
+}
PUBLIC void
XMesaBindTexImage(Display *dpy, XMesaBuffer drawable, int buffer,
const int *attrib_list)
{
+ struct st_context_iface *st = stapi->get_current(stapi);
+ struct st_framebuffer_iface* stfbi = drawable->stfb;
+ struct pipe_resource *res;
+ int x, y, w, h;
+ enum st_attachment_type st_attachment = xmesa_attachment_type(buffer);
+
+ x = 0;
+ y = 0;
+ w = drawable->width;
+ h = drawable->height;
+
+ /* We need to validate our attachments before using them,
+ * in case the texture doesn't exist yet. */
+ xmesa_st_framebuffer_validate_textures(stfbi, w, h, 1 << st_attachment);
+ res = xmesa_get_attachment(stfbi, st_attachment);
+
+ if (res) {
+ struct pipe_context* pipe = xmesa_get_context(stfbi);
+ enum pipe_format internal_format = res->format;
+ struct pipe_transfer *tex_xfer;
+ char *map;
+ int line, byte_width;
+ XImage *img;
+
+ internal_format = choose_pixel_format(drawable->xm_visual);
+
+ map = pipe_transfer_map(pipe, res,
+ 0, 0, /* level, layer */
+ PIPE_TRANSFER_WRITE,
+ x, y,
+ w, h, &tex_xfer);
+ if (!map)
+ return;
+
+ /* Grab the XImage that we want to turn into a texture. */
+ img = XGetImage(dpy,
+ drawable->ws.drawable,
+ x, y,
+ w, h,
+ AllPlanes,
+ ZPixmap);
+
+ if (!img) {
+ pipe_transfer_unmap(pipe, tex_xfer);
+ return;
+ }
+
+ /* The pipe transfer has a pitch rounded up to the nearest 64 pixels. */
+ byte_width = w * ((img->bits_per_pixel + 7) / 8);
+
+ for (line = 0; line < h; line++)
+ memcpy(&map[line * tex_xfer->stride],
+ &img->data[line * img->bytes_per_line],
+ byte_width);
+
+ pipe_transfer_unmap(pipe, tex_xfer);
+
+ st->teximage(st,
+ ST_TEXTURE_2D,
+ 0, /* level */
+ internal_format,
+ res,
+ FALSE /* no mipmap */);
+
+ }
}