glx_api.c \
glx_getproc.c \
glx_usefont.c \
- xm_api.c
+ xm_api.c \
+ xm_st.c
include ../../../Makefile.template
#include "xm_api.h"
#include "main/context.h"
-#include "main/config.h"
#include "main/macros.h"
#include "main/imports.h"
#include "main/version.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_public.h"
/* This indicates the client-side GLX API and GLX encoder version. */
if (MakeCurrent_PrevContext == src) {
_mesa_Flush();
}
- st_copy_context_state( xm_src->st, xm_dst->st, (GLuint) mask );
+ XMesaCopyContext(xm_src, xm_dst, mask);
}
#endif
#include "xm_api.h"
-#include "main/context.h"
-#include "main/framebuffer.h"
+#include "xm_st.h"
-#include "state_tracker/st_public.h"
-#include "state_tracker/st_context.h"
+#include "main/context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
pipe_mutex _xmesa_lock;
static struct pipe_screen *screen = NULL;
+static struct st_api *stapi = NULL;
+static struct st_manager *smapi = NULL;
/**********************************************************************/
return 0;
}
-
-
/**
- * Query the default gallium screen for a Z/Stencil format that
- * at least matches the given depthBits and stencilBits.
+ * Choose a depth/stencil format for the given depth and stencil sizes.
*/
-static void
-xmesa_choose_z_stencil_format(int depthBits, int stencilBits,
- enum pipe_format *depthFormat,
- enum pipe_format *stencilFormat)
+static enum pipe_format
+choose_depth_stencil_format(int depth, int stencil)
{
const enum pipe_texture_target target = PIPE_TEXTURE_2D;
const unsigned tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
const unsigned geom_flags = (PIPE_TEXTURE_GEOM_NON_SQUARE |
PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO);
- static enum pipe_format formats[] = {
- PIPE_FORMAT_S8Z24_UNORM,
- PIPE_FORMAT_Z24S8_UNORM,
- PIPE_FORMAT_Z16_UNORM,
- PIPE_FORMAT_Z32_UNORM
- };
- int i;
+ enum pipe_format formats[8], fmt;
+ int count, i;
assert(screen);
- *depthFormat = *stencilFormat = PIPE_FORMAT_NONE;
+ count = 0;
+ switch (depth) {
+ case 16:
+ if (!stencil)
+ formats[count++] = PIPE_FORMAT_Z16_UNORM;
+ break;
+ case 24:
+ formats[count++] = PIPE_FORMAT_S8Z24_UNORM;
+ formats[count++] = PIPE_FORMAT_Z24S8_UNORM;
+ break;
+ case 32:
+ if (!stencil)
+ formats[count++] = PIPE_FORMAT_Z32_UNORM;
+ break;
+ default:
+ break;
+ }
- /* search for supported format */
- for (i = 0; i < Elements(formats); i++) {
+ fmt = PIPE_FORMAT_NONE;
+ for (i = 0; i < count; i++) {
if (screen->is_format_supported(screen, formats[i],
target, tex_usage, geom_flags)) {
- *depthFormat = formats[i];
+ fmt = formats[i];
break;
}
}
- if (stencilBits) {
- *stencilFormat = *depthFormat;
- }
-
- /* XXX we should check that he chosen format has at least as many bits
- * as what was requested.
- */
+ return fmt;
}
XMesaVisual vis, Colormap cmap)
{
XMesaBuffer b;
- GLframebuffer *fb;
- enum pipe_format colorFormat, depthFormat, stencilFormat;
uint width, height;
ASSERT(type == WINDOW || type == PIXMAP || type == PBUFFER);
+ xmesa_init(vis->display);
+ if (!screen)
+ return NULL;
+
b = (XMesaBuffer) CALLOC_STRUCT(xmesa_buffer);
if (!b)
return NULL;
b->type = type;
b->cmap = cmap;
- /* determine PIPE_FORMATs for buffers */
- colorFormat = choose_pixel_format(vis);
-
- xmesa_choose_z_stencil_format(vis->mesa_visual.depthBits,
- vis->mesa_visual.stencilBits,
- &depthFormat, &stencilFormat);
-
-
get_drawable_size(vis->display, d, &width, &height);
/*
* Create framebuffer, but we'll plug in our own renderbuffers below.
*/
- b->stfb = st_create_framebuffer(&vis->mesa_visual,
- colorFormat, depthFormat, stencilFormat,
- width, height,
- (void *) b);
- fb = &b->stfb->Base;
+ b->stfb = xmesa_create_st_framebuffer(screen, b);
/* GLX_EXT_texture_from_pixmap */
b->TextureTarget = 0;
for (b = XMesaBufferList; b; b = b->Next) {
if (b == buffer) {
- struct gl_framebuffer *fb = &buffer->stfb->Base;
-
/* unlink buffer from list */
if (prev)
prev->Next = buffer->Next;
else
XMesaBufferList = buffer->Next;
- /* mark as delete pending */
- fb->DeletePending = GL_TRUE;
-
/* Since the X window for the XMesaBuffer is going away, we don't
* want to dereference this pointer in the future.
*/
b->ws.drawable = 0;
- /* Unreference. If count = zero we'll really delete the buffer */
- _mesa_reference_framebuffer(&fb, NULL);
+ /* XXX we should move the buffer to a delete-pending list and destroy
+ * the buffer until it is no longer current.
+ */
+ xmesa_destroy_st_framebuffer(buffer->stfb);
free(buffer);
accum_blue_size, accum_alpha_size,
0 );
+ v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_LEFT_MASK;
+ if (db_flag)
+ v->stvis.buffer_mask = ST_ATTACHMENT_BACK_LEFT_MASK;
+ if (stereo_flag) {
+ v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_RIGHT_MASK;
+ if (db_flag)
+ v->stvis.buffer_mask = ST_ATTACHMENT_BACK_RIGHT_MASK;
+ }
+
+ v->stvis.color_format = choose_pixel_format(v);
+ v->stvis.depth_stencil_format =
+ choose_depth_stencil_format(depth_size, stencil_size);
+
+ v->stvis.accum_format = (accum_red_size +
+ accum_green_size + accum_blue_size + accum_alpha_size) ?
+ PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
+
+ v->stvis.samples = num_samples;
+ v->stvis.render_buffer = ST_ATTACHMENT_INVALID;
+
/* XXX minor hack */
v->mesa_visual.level = level;
return v;
if (firstTime) {
pipe_mutex_init(_xmesa_lock);
screen = driver.create_pipe_screen( display );
+ stapi = xmesa_create_st_api();
+ smapi = CALLOC_STRUCT(st_manager);
+ if (smapi)
+ smapi->screen = screen;
+
+ if (!screen || !stapi || !smapi) {
+ if (screen) {
+ screen->destroy(screen);
+ screen = NULL;
+ }
+ if (stapi) {
+ stapi->destroy(stapi);
+ stapi = NULL;
+ }
+ if (smapi) {
+ FREE(smapi);
+ smapi = NULL;
+ }
+ }
+
firstTime = GL_FALSE;
}
}
PUBLIC
XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
{
- struct pipe_context *pipe = NULL;
XMesaContext c;
- GLcontext *mesaCtx;
- uint pf;
xmesa_init( v->display );
if (!c)
return NULL;
- pf = choose_pixel_format(v);
- assert(pf);
-
c->xm_visual = v;
c->xm_buffer = NULL; /* set later by XMesaMakeCurrent */
c->xm_read_buffer = NULL;
if (screen == NULL)
goto fail;
- /* Trace screen knows how to properly wrap context creation in the
- * wrapped screen, so nothing special to do here:
- */
- pipe = screen->context_create(screen, (void *) c);
- if (pipe == NULL)
- goto fail;
-
- c->st = st_create_context(pipe,
- &v->mesa_visual,
- share_list ? share_list->st : NULL);
+ c->st = stapi->create_context(stapi, smapi,
+ &v->stvis, (share_list) ? share_list->st : NULL);
if (c->st == NULL)
goto fail;
- mesaCtx = c->st->ctx;
- c->st->ctx->DriverCtx = c;
+ c->st->st_manager_private = (void *) c;
return c;
fail:
if (c->st)
- st_destroy_context(c->st);
- else if (pipe)
- pipe->destroy(pipe);
+ c->st->destroy(c->st);
free(c);
return NULL;
PUBLIC
void XMesaDestroyContext( XMesaContext c )
{
- st_destroy_context(c->st);
+ c->st->destroy(c->st);
/* FIXME: We should destroy the screen here, but if we do so, surfaces may
* outlive it, causing segfaults
{
GET_CURRENT_CONTEXT(ctx);
XMesaBuffer b;
- GLuint width, height;
assert(v);
if (!b)
return NULL;
- /* get pixmap size, update framebuffer/renderbuffer dims */
- xmesa_get_window_size(v->display, b, &width, &height);
- _mesa_resize_framebuffer(NULL, &(b->stfb->Base), width, height);
+ /* get pixmap size */
+ xmesa_get_window_size(v->display, b, &b->width, &b->height);
if (target == 0) {
/* examine dims */
if (ctx->Extensions.ARB_texture_non_power_of_two) {
target = GLX_TEXTURE_2D_EXT;
}
- else if ( _mesa_bitcount(width) == 1
- && _mesa_bitcount(height) == 1) {
+ else if ( _mesa_bitcount(b->width) == 1
+ && _mesa_bitcount(b->height) == 1) {
/* power of two size */
- if (height == 1) {
+ if (b->height == 1) {
target = GLX_TEXTURE_1D_EXT;
}
else {
/**
- * Query the current window size and update the corresponding GLframebuffer
- * and all attached renderbuffers.
- * Called when:
- * 1. the first time a buffer is bound to a context.
- * 2. SwapBuffers. XXX probabaly from xm_flush_frontbuffer() too...
- * Note: it's possible (and legal) for xmctx to be NULL. That can happen
- * when resizing a buffer when no rendering context is bound.
+ * Query the current drawable size and notify the binding context.
*/
void
-xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer)
+xmesa_check_buffer_size(XMesaBuffer b)
{
- GLuint width, height;
- xmesa_get_window_size(drawBuffer->xm_visual->display, drawBuffer, &width, &height);
- st_resize_framebuffer(drawBuffer->stfb, width, height);
-}
+ XMesaContext xmctx = XMesaGetCurrentContext();
+ if (b->type == PBUFFER)
+ return;
+ xmesa_get_window_size(b->xm_visual->display, b, &b->width, &b->height);
+ if (xmctx && xmctx->xm_buffer == b)
+ xmctx->st->notify_invalid_framebuffer(xmctx->st, b->stfb);
+}
/*
c->xm_read_buffer == readBuffer)
return GL_TRUE;
+ xmesa_check_buffer_size(drawBuffer);
+ if (readBuffer != drawBuffer)
+ xmesa_check_buffer_size(readBuffer);
+
c->xm_buffer = drawBuffer;
c->xm_read_buffer = readBuffer;
- st_make_current(c->st, drawBuffer->stfb, readBuffer->stfb,
- &drawBuffer->ws);
-
- xmesa_check_and_update_buffer_size(c, drawBuffer);
- if (readBuffer != drawBuffer)
- xmesa_check_and_update_buffer_size(c, readBuffer);
+ stapi->make_current(stapi, c->st, drawBuffer->stfb, readBuffer->stfb);
/* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */
drawBuffer->wasCurrent = GL_TRUE;
}
else {
/* Detach */
- st_make_current( NULL, NULL, NULL, NULL );
+ stapi->make_current(stapi, NULL, NULL, NULL);
}
return GL_TRUE;
XMesaContext XMesaGetCurrentContext( void )
{
- GET_CURRENT_CONTEXT(ctx);
- if (ctx) {
- XMesaContext xmesa = xmesa_context(ctx);
- return xmesa;
- }
- else {
- return 0;
- }
+ struct st_context_iface *st = stapi->get_current(stapi);
+ return (XMesaContext) (st) ? st->st_manager_private : NULL;
}
PUBLIC
void XMesaSwapBuffers( XMesaBuffer b )
{
- struct pipe_surface *frontLeftSurf;
-
- st_swapbuffers(b->stfb, &frontLeftSurf, NULL);
-
- if (frontLeftSurf) {
- screen->flush_frontbuffer( screen,
- frontLeftSurf,
- &b->ws );
+ XMesaContext xmctx = XMesaGetCurrentContext();
+
+ if (xmctx && xmctx->xm_buffer == b) {
+ xmctx->st->flush( xmctx->st,
+ PIPE_FLUSH_RENDER_CACHE |
+ PIPE_FLUSH_SWAPBUFFERS |
+ PIPE_FLUSH_FRAME,
+ NULL);
}
- xmesa_check_and_update_buffer_size(NULL, b);
+ xmesa_swap_st_framebuffer(b->stfb);
}
*/
void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height )
{
- struct pipe_surface *surf_front;
- struct pipe_surface *surf_back;
- struct pipe_context *pipe = NULL; /* XXX fix */
-
- st_get_framebuffer_surface(b->stfb, ST_SURFACE_FRONT_LEFT, &surf_front);
- st_get_framebuffer_surface(b->stfb, ST_SURFACE_BACK_LEFT, &surf_back);
-
- if (!surf_front || !surf_back)
- return;
-
- assert(pipe);
- pipe->surface_copy(pipe,
- surf_front, x, y, /* dest */
- surf_back, x, y, /* src */
- width, height);
+ xmesa_copy_st_framebuffer(b->stfb,
+ ST_ATTACHMENT_BACK_LEFT, ST_ATTACHMENT_FRONT_LEFT,
+ x, y, width, height);
}
void XMesaFlush( XMesaContext c )
{
if (c && c->xm_visual->display) {
- st_finish(c->st);
+ struct pipe_fence_handle *fence = NULL;
+
+ c->st->flush(c->st, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
+ if (fence) {
+ screen->fence_finish(screen, fence, 0);
+ screen->fence_reference(screen, &fence, NULL);
+ }
XSync( c->xm_visual->display, False );
}
}
{
}
+
+void
+XMesaCopyContext(XMesaContext src, XMesaContext dst, unsigned long mask)
+{
+ if (dst->st->copy)
+ dst->st->copy(dst->st, src->st, mask);
+}
#include "main/mtypes.h"
-#include "state_tracker/st_context.h"
-#include "state_tracker/st_public.h"
+#include "state_tracker/st_api.h"
#include "os/os_thread.h"
#include "state_tracker/xlib_sw_winsys.h"
int format, int target, int mipmap);
+extern void
+XMesaCopyContext(XMesaContext src, XMesaContext dst, unsigned long mask);
/***********************************************************************
GLint BitsPerPixel; /* True bits per pixel for XImages */
GLboolean ximage_flag; /* Use XImage for back buffer (not pixmap)? */
+
+ struct st_visual stvis;
};
* Basically corresponds to a GLXContext.
*/
struct xmesa_context {
- struct st_context *st;
+ struct st_context_iface *st;
XMesaVisual xm_visual; /** pixel format info */
XMesaBuffer xm_buffer; /** current drawbuffer */
XMesaBuffer xm_read_buffer; /** current readbuffer */
* Basically corresponds to a GLXDrawable.
*/
struct xmesa_buffer {
- struct st_framebuffer *stfb;
+ struct st_framebuffer_iface *stfb;
struct xlib_drawable ws;
GLboolean wasCurrent; /* was ever the current buffer? */
GLint TextureMipmap; /** 0 or 1 */
struct xmesa_buffer *Next; /* Linked list pointer: */
-};
-
-
-
-/** cast wrapper */
-static INLINE XMesaContext
-xmesa_context(GLcontext *ctx)
-{
- return (XMesaContext) ctx->DriverCtx;
-}
+ unsigned width, height;
+};
-/** cast wrapper */
-static INLINE XMesaBuffer
-xmesa_buffer(GLframebuffer *fb)
-{
- struct st_framebuffer *stfb = (struct st_framebuffer *) fb;
- return (XMesaBuffer) st_framebuffer_private(stfb);
-}
extern void
xmesa_init(Display *dpy);
-extern void
-xmesa_delete_framebuffer(struct gl_framebuffer *fb);
-
extern XMesaBuffer
xmesa_find_buffer(Display *dpy, Colormap cmap, XMesaBuffer notThis);
GLuint *width, GLuint *height);
extern void
-xmesa_check_and_update_buffer_size(XMesaContext xmctx, XMesaBuffer drawBuffer);
+xmesa_check_buffer_size(XMesaBuffer b);
extern void
xmesa_destroy_buffers_on_display(Display *dpy);
static INLINE GLuint
xmesa_buffer_width(XMesaBuffer b)
{
- return b->stfb->Base.Width;
+ return b->width;
}
static INLINE GLuint
xmesa_buffer_height(XMesaBuffer b)
{
- return b->stfb->Base.Height;
+ return b->height;
}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+
+#include "xm_api.h"
+#include "xm_st.h"
+
+/* support OpenGL by default */
+#ifndef XMESA_ST_MODULE
+#define XMESA_ST_MODULE st_module_OpenGL
+#endif
+
+struct xmesa_st_framebuffer {
+ struct pipe_screen *screen;
+ XMesaBuffer buffer;
+
+ struct st_visual stvis;
+
+ unsigned texture_width, texture_height;
+ struct pipe_texture *textures[ST_ATTACHMENT_COUNT];
+
+ struct pipe_surface *display_surface;
+};
+
+static INLINE struct xmesa_st_framebuffer *
+xmesa_st_framebuffer(struct st_framebuffer_iface *stfbi)
+{
+ return (struct xmesa_st_framebuffer *) stfbi->st_manager_private;
+}
+
+/**
+ * Display an attachment to the xlib_drawable of the framebuffer.
+ */
+static boolean
+xmesa_st_framebuffer_display(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type statt)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ struct pipe_texture *ptex = xstfb->textures[statt];
+ struct pipe_surface *psurf;
+
+ if (!ptex)
+ return TRUE;
+
+ psurf = xstfb->display_surface;
+ /* (re)allocate the surface for the texture to be displayed */
+ if (!psurf || psurf->texture != ptex) {
+ pipe_surface_reference(&xstfb->display_surface, NULL);
+
+ psurf = xstfb->screen->get_tex_surface(xstfb->screen,
+ ptex, 0, 0, 0, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!psurf)
+ return FALSE;
+
+ xstfb->display_surface = psurf;
+ }
+
+ xstfb->screen->flush_frontbuffer(xstfb->screen, psurf, &xstfb->buffer->ws);
+
+ return TRUE;
+}
+
+/**
+ * Remove outdated textures and create the requested ones.
+ */
+static void
+xmesa_st_framebuffer_validate_textures(struct st_framebuffer_iface *stfbi,
+ const enum st_attachment_type *statts,
+ unsigned count)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ struct pipe_texture templ;
+ unsigned request_mask, i;
+
+ request_mask = 0;
+ for (i = 0; i < count; i++)
+ request_mask |= 1 << statts[i];
+
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.width0 = xstfb->texture_width;
+ templ.height0 = xstfb->texture_height;
+ templ.depth0 = 1;
+ templ.last_level = 0;
+
+ for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+ struct pipe_texture *ptex = xstfb->textures[i];
+ enum pipe_format format;
+ unsigned tex_usage;
+
+ /* remove outdated textures */
+ if (ptex && (ptex->width0 != xstfb->texture_width ||
+ ptex->height0 != xstfb->texture_height)) {
+ pipe_texture_reference(&xstfb->textures[i], NULL);
+ ptex = NULL;
+ }
+
+ /* the texture already exists or not requested */
+ if (ptex || !(request_mask & (1 << i)))
+ continue;
+
+ switch (i) {
+ case ST_ATTACHMENT_FRONT_LEFT:
+ case ST_ATTACHMENT_BACK_LEFT:
+ case ST_ATTACHMENT_FRONT_RIGHT:
+ case ST_ATTACHMENT_BACK_RIGHT:
+ format = xstfb->stvis.color_format;
+ tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_RENDER_TARGET;
+ break;
+ case ST_ATTACHMENT_DEPTH_STENCIL:
+ format = xstfb->stvis.depth_stencil_format;
+ tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+ break;
+ default:
+ format = PIPE_FORMAT_NONE;
+ break;
+ }
+
+ if (format != PIPE_FORMAT_NONE) {
+ templ.format = format;
+ templ.tex_usage = tex_usage;
+
+ xstfb->textures[i] =
+ xstfb->screen->texture_create(xstfb->screen, &templ);
+ }
+ }
+}
+
+static boolean
+xmesa_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
+ const enum st_attachment_type *statts,
+ unsigned count,
+ struct pipe_texture **out)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ unsigned i;
+
+ /* revalidate textures */
+ if (xstfb->buffer->width != xstfb->texture_width ||
+ xstfb->buffer->height != xstfb->texture_height) {
+ xstfb->texture_width = xstfb->buffer->width;
+ xstfb->texture_height = xstfb->buffer->height;
+
+ xmesa_st_framebuffer_validate_textures(stfbi, statts, count);
+ }
+
+ for (i = 0; i < count; i++) {
+ out[i] = NULL;
+ pipe_texture_reference(&out[i], xstfb->textures[statts[i]]);
+ }
+
+ return TRUE;
+}
+
+static boolean
+xmesa_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type statt)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ boolean ret;
+
+ ret = xmesa_st_framebuffer_flush_front(stfbi, statt);
+ if (ret)
+ xmesa_check_buffer_size(xstfb->buffer);
+
+ return ret;
+}
+
+struct st_framebuffer_iface *
+xmesa_create_st_framebuffer(struct pipe_screen *screen, XMesaBuffer b)
+{
+ struct st_framebuffer_iface *stfbi;
+ struct xmesa_st_framebuffer *xstfb;
+
+ stfbi = CALLOC_STRUCT(st_framebuffer_iface);
+ xstfb = CALLOC_STRUCT(xmesa_st_framebuffer);
+ if (!stfbi || !xstfb) {
+ if (stfbi)
+ FREE(stfbi);
+ if (xstfb)
+ FREE(xstfb);
+ return NULL;
+ }
+
+ xstfb->screen = screen;
+ xstfb->buffer = b;
+ xstfb->stvis = b->xm_visual->stvis;
+
+ stfbi->visual = &xstfb->stvis;
+ stfbi->flush_front = xmesa_st_framebuffer_flush_front;
+ stfbi->validate = xmesa_st_framebuffer_validate;
+ stfbi->st_manager_private = (void *) xstfb;
+
+ return stfbi;
+}
+
+void
+xmesa_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+
+ FREE(xstfb);
+ FREE(stfbi);
+}
+
+void
+xmesa_swap_st_framebuffer(struct st_framebuffer_iface *stfbi)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ boolean ret;
+
+ ret = xmesa_st_framebuffer_display(stfbi, ST_ATTACHMENT_BACK_LEFT);
+ if (ret) {
+ struct pipe_texture **front, **back, *tmp;
+
+ front = &xstfb->textures[ST_ATTACHMENT_FRONT_LEFT];
+ back = &xstfb->textures[ST_ATTACHMENT_BACK_LEFT];
+ /* swap textures only if the front texture has been allocated */
+ if (*front) {
+ tmp = *front;
+ *front = *back;
+ *back = tmp;
+ }
+
+ xmesa_check_buffer_size(xstfb->buffer);
+ }
+}
+
+void
+xmesa_copy_st_framebuffer(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type src,
+ enum st_attachment_type dst,
+ int x, int y, int w, int h)
+{
+ /* TODO */
+}
+
+struct st_api *
+xmesa_create_st_api(void)
+{
+ return XMESA_ST_MODULE.create_api();
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#ifndef _XM_ST_H_
+#define _XM_ST_H_
+
+#include "pipe/p_compiler.h"
+#include "state_tracker/st_api.h"
+
+#include "xm_api.h"
+
+struct st_api *
+xmesa_create_st_api(void);
+
+struct st_framebuffer_iface *
+xmesa_create_st_framebuffer(struct pipe_screen *screen, XMesaBuffer b);
+
+void
+xmesa_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi);
+
+void
+xmesa_swap_st_framebuffer(struct st_framebuffer_iface *stfbi);
+
+void
+xmesa_copy_st_framebuffer(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type src,
+ enum st_attachment_type dst,
+ int x, int y, int w, int h);
+
+#endif /* _XM_ST_H_ */
projects / mesa.git / commitdiff