Commit 2dbbe256 authored by Emma Anholt's avatar Emma Anholt
Browse files

Merge branch 'glamor-gongzg-merge'

parents 4d626461 7982eca6
noinst_LTLIBRARIES = libglamor.la
# Override these since glamor doesn't need them and the needed files aren't
# built (in hw/xfree86/os-support/solaris) until after glamor is built
SOLARIS_ASM_CFLAGS=""
if XORG
sdk_HEADERS = glamor.h
endif
if GLAMOR_GLES2
libglamor_la_LIBADD = $(GLESV2_LIBS)
else
libglamor_la_LIBADD = $(GL_LIBS)
endif
if XORG
sdk_HEADERS = glamor.h
endif
INCLUDES = \
$(XORG_INCS)
AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS) $(LIBDRM_CFLAGS)
libglamor_la_SOURCES = \
glamor.c \
glamor_copyarea.c \
glamor_copywindow.c \
glamor_core.c \
glamor_fill.c \
glamor_fillspans.c \
glamor_getspans.c \
glamor_glyphs.c \
glamor_polyfillrect.c \
glamor_polylines.c \
glamor_putimage.c \
glamor_setspans.c \
glamor_render.c \
glamor_tile.c \
glamor_triangles.c\
glamor_pixmap.c\
glamor_picture.c\
glamor_window.c\
glamor_gl_dispatch.c\
glamor.h
/*
* Copyright © 2008 Intel Corporation
*
* 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 (including the next
* paragraph) 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
* 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
/** @file glamor.c
* This file covers the initialization and teardown of glamor, and has various
* functions not responsible for performing rendering.
*/
#include <stdlib.h>
#include "glamor_priv.h"
static DevPrivateKeyRec glamor_screen_private_key_index;
DevPrivateKey glamor_screen_private_key = &glamor_screen_private_key_index;
static DevPrivateKeyRec glamor_pixmap_private_key_index;
DevPrivateKey glamor_pixmap_private_key = &glamor_pixmap_private_key_index;
/**
* glamor_get_drawable_pixmap() returns a backing pixmap for a given drawable.
*
* @param drawable the drawable being requested.
*
* This function returns the backing pixmap for a drawable, whether it is a
* redirected window, unredirected window, or already a pixmap. Note that
* coordinate translation is needed when drawing to the backing pixmap of a
* redirected window, and the translation coordinates are provided by calling
* exaGetOffscreenPixmap() on the drawable.
*/
PixmapPtr
glamor_get_drawable_pixmap(DrawablePtr drawable)
{
if (drawable->type == DRAWABLE_WINDOW)
return drawable->pScreen->GetWindowPixmap((WindowPtr)drawable);
else
return (PixmapPtr)drawable;
}
void
glamor_set_pixmap_texture(PixmapPtr pixmap, int w, int h, unsigned int tex)
{
ScreenPtr screen = pixmap->drawable.pScreen;
glamor_pixmap_private *pixmap_priv;
pixmap_priv = glamor_get_pixmap_private(pixmap);
assert(pixmap_priv);
pixmap_priv->tex = tex;
/* Create a framebuffer object wrapping the texture so that we can render
* to it.
*/
pixmap_priv->gl_fbo = 1;
if (tex != 0) {
glamor_pixmap_ensure_fb(pixmap);
pixmap_priv->gl_tex = 1;
}
else {
pixmap_priv->fb = 0;
pixmap_priv->gl_tex = 0;
}
screen->ModifyPixmapHeader(pixmap, w, h, 0, 0,
(((w * pixmap->drawable.bitsPerPixel +
7) / 8) + 3) & ~3,
NULL);
}
/* Set screen pixmap. If tex equal to 0, means it is called from ephyr. */
void
glamor_set_screen_pixmap_texture(ScreenPtr screen, int w, int h, unsigned int tex)
{
PixmapPtr pixmap = screen->GetScreenPixmap(screen);
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_set_pixmap_texture(pixmap, w, h, tex);
glamor_priv->screen_fbo = pixmap_priv->fb;
pixmap_priv->pending_op.type = GLAMOR_PENDING_NONE;
}
#define GLAMOR_PIXMAP_MEMORY 0
#define GLAMOR_PIXMAP_TEXTURE 1
static PixmapPtr
glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
unsigned int usage)
{
PixmapPtr pixmap;
GLenum format;
GLuint tex;
int type = GLAMOR_PIXMAP_TEXTURE;
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_gl_dispatch *dispatch = &glamor_priv->dispatch;
if (w > 32767 || h > 32767)
return NullPixmap;
if (!glamor_check_fbo_size(glamor_priv, w,h)
|| !glamor_check_fbo_depth(depth)
|| usage == GLAMOR_CREATE_PIXMAP_CPU) {
/* MESA can only support upto MAX_WIDTH*MAX_HEIGHT fbo.
If we exceed such limitation, we have to use framebuffer.*/
type = GLAMOR_PIXMAP_MEMORY;
pixmap = fbCreatePixmap (screen, w, h, depth, usage);
screen->ModifyPixmapHeader(pixmap, w, h, 0, 0,
(((w * pixmap->drawable.bitsPerPixel +
7) / 8) + 3) & ~3,
NULL);
#if 0
if (usage != GLAMOR_CREATE_PIXMAP_CPU)
glamor_fallback("choose cpu memory for pixmap %p ,"
" %d x %d depth %d\n", pixmap, w, h, depth);
#endif
} else
pixmap = fbCreatePixmap (screen, 0, 0, depth, usage);
if (dixAllocatePrivates(&pixmap->devPrivates, PRIVATE_PIXMAP) != TRUE) {
fbDestroyPixmap(pixmap);
ErrorF("Fail to allocate privates for PIXMAP.\n");
return NullPixmap;
}
pixmap_priv = glamor_get_pixmap_private(pixmap);
pixmap_priv->container = pixmap;
pixmap_priv->glamor_priv = glamor_priv;
if (w == 0 || h == 0 || type == GLAMOR_PIXMAP_MEMORY)
return pixmap;
switch (depth) {
#if 0
case 8:
format = GL_ALPHA;
break;
#endif
case 24:
format = GL_RGB;
break;
default:
format = GL_RGBA;
break;
}
/* Create the texture used to store the pixmap's data. */
dispatch->glGenTextures(1, &tex);
dispatch->glBindTexture(GL_TEXTURE_2D, tex);
dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
dispatch->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
dispatch->glTexImage2D(GL_TEXTURE_2D, 0, format, w, h, 0,
format, GL_UNSIGNED_BYTE, NULL);
glamor_set_pixmap_texture(pixmap, w, h, tex);
return pixmap;
}
static Bool
glamor_destroy_pixmap(PixmapPtr pixmap)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
glamor_gl_dispatch *dispatch = &glamor_priv->dispatch;
if (pixmap->refcnt == 1) {
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv->fb)
dispatch->glDeleteFramebuffers(1, &pixmap_priv->fb);
if (pixmap_priv->tex)
dispatch->glDeleteTextures(1, &pixmap_priv->tex);
if (pixmap_priv->pbo)
dispatch->glDeleteBuffers(1, &pixmap_priv->pbo);
dixFreePrivates(pixmap->devPrivates, PRIVATE_PIXMAP);
}
return fbDestroyPixmap(pixmap);
}
static void
glamor_block_handler(void *data, OSTimePtr timeout, void *last_select_mask)
{
glamor_gl_dispatch *dispatch = data;
dispatch->glFlush();
}
static void
glamor_wakeup_handler(void *data, int result, void *last_select_mask)
{
}
static void
glamor_set_debug_level(int *debug_level)
{
char *debug_level_string;
debug_level_string = getenv("GLAMOR_DEBUG");
if (debug_level_string && sscanf(debug_level_string, "%d", debug_level) == 1)
return;
*debug_level = 0;
}
int glamor_debug_level;
/** Set up glamor for an already-configured GL context. */
Bool
glamor_init(ScreenPtr screen, unsigned int flags)
{
glamor_screen_private *glamor_priv;
int gl_version;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
#endif
if (flags & ~GLAMOR_VALID_FLAGS) {
ErrorF("glamor_init: Invalid flags %x\n", flags);
return FALSE;
}
glamor_priv = calloc(1, sizeof(*glamor_priv));
if (glamor_priv == NULL)
return FALSE;
if (flags & GLAMOR_INVERTED_Y_AXIS) {
glamor_priv->yInverted = 1;
} else
glamor_priv->yInverted = 0;
if (!dixRegisterPrivateKey(glamor_screen_private_key,PRIVATE_SCREEN,
0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate screen private\n",
screen->myNum);
goto fail;
}
dixSetPrivate(&screen->devPrivates, glamor_screen_private_key, glamor_priv);
if (!dixRegisterPrivateKey(glamor_pixmap_private_key,PRIVATE_PIXMAP,
sizeof(glamor_pixmap_private))) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate pixmap private\n",
screen->myNum);
goto fail;;
}
gl_version = glamor_gl_get_version();
#ifndef GLAMOR_GLES2
if (gl_version < GLAMOR_GL_VERSION_ENCODE(1,3)) {
ErrorF("Require OpenGL version 1.3 or latter.\n");
goto fail;
}
#else
if (gl_version < GLAMOR_GL_VERSION_ENCODE(2,0)) {
ErrorF("Require Open GLES2.0 or latter.\n");
goto fail;
}
#endif
glamor_gl_dispatch_init(screen, &glamor_priv->dispatch, gl_version);
#ifdef GLAMOR_GLES2
if (!glamor_gl_has_extension("GL_EXT_texture_format_BGRA8888")) {
ErrorF("GL_EXT_texture_format_BGRA8888 required\n");
goto fail;
}
#endif
glamor_priv->has_pack_invert = glamor_gl_has_extension("GL_MESA_pack_invert");
glamor_priv->has_fbo_blit = glamor_gl_has_extension("GL_EXT_framebuffer_blit");
glamor_priv->dispatch.glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &glamor_priv->max_fbo_size);
if (!RegisterBlockAndWakeupHandlers(glamor_block_handler,
glamor_wakeup_handler,
(void*)&glamor_priv->dispatch)) {
goto fail;
}
glamor_set_debug_level(&glamor_debug_level);
glamor_priv->saved_close_screen = screen->CloseScreen;
screen->CloseScreen = glamor_close_screen;
glamor_priv->saved_create_gc = screen->CreateGC;
screen->CreateGC = glamor_create_gc;
glamor_priv->saved_create_pixmap = screen->CreatePixmap;
screen->CreatePixmap = glamor_create_pixmap;
glamor_priv->saved_destroy_pixmap = screen->DestroyPixmap;
screen->DestroyPixmap = glamor_destroy_pixmap;
glamor_priv->saved_get_spans = screen->GetSpans;
screen->GetSpans = glamor_get_spans;
glamor_priv->saved_get_image = screen->GetImage;
screen->GetImage = miGetImage;
glamor_priv->saved_change_window_attributes = screen->ChangeWindowAttributes;
screen->ChangeWindowAttributes = glamor_change_window_attributes;
glamor_priv->saved_copy_window = screen->CopyWindow;
screen->CopyWindow = glamor_copy_window;
glamor_priv->saved_bitmap_to_region = screen->BitmapToRegion;
screen->BitmapToRegion = glamor_bitmap_to_region;
#ifdef RENDER
glamor_priv->saved_composite = ps->Composite;
ps->Composite = glamor_composite;
glamor_priv->saved_trapezoids = ps->Trapezoids;
ps->Trapezoids = glamor_trapezoids;
glamor_priv->saved_glyphs = ps->Glyphs;
ps->Glyphs = glamor_glyphs;
glamor_priv->saved_triangles = ps->Triangles;
ps->Triangles = glamor_triangles;
glamor_init_composite_shaders(screen);
glamor_priv->saved_create_picture = ps->CreatePicture;
ps->CreatePicture = glamor_create_picture;
glamor_priv->saved_destroy_picture = ps->DestroyPicture;
ps->DestroyPicture = glamor_destroy_picture;
glamor_priv->saved_unrealize_glyph = ps->UnrealizeGlyph;
ps->UnrealizeGlyph = glamor_glyph_unrealize;
#endif
glamor_init_solid_shader(screen);
glamor_init_tile_shader(screen);
glamor_init_putimage_shaders(screen);
glamor_init_finish_access_shaders(screen);
glamor_pixmap_init(screen);
#ifdef GLAMOR_GLES2
glamor_priv->gl_flavor = GLAMOR_GL_ES2;
#else
glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
#endif
return TRUE;
fail:
free(glamor_priv);
dixSetPrivate(&screen->devPrivates, glamor_screen_private_key, NULL);
return FALSE;
}
Bool
glamor_close_screen(int idx, ScreenPtr screen)
{
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
#endif
glamor_glyphs_fini(screen);
screen->CloseScreen = glamor_priv->saved_close_screen;
screen->CreateGC = glamor_priv->saved_create_gc;
screen->CreatePixmap = glamor_priv->saved_create_pixmap;
screen->DestroyPixmap = glamor_priv->saved_destroy_pixmap;
screen->GetSpans = glamor_priv->saved_get_spans;
screen->ChangeWindowAttributes = glamor_priv->saved_change_window_attributes;
screen->CopyWindow = glamor_priv->saved_copy_window;
screen->BitmapToRegion = glamor_priv->saved_bitmap_to_region;
#ifdef RENDER
if (ps) {
ps->Composite = glamor_priv->saved_composite;
ps->Trapezoids = glamor_priv->saved_trapezoids;
ps->Glyphs = glamor_priv->saved_glyphs;
ps->Triangles = glamor_priv->saved_triangles;
ps->CreatePicture = glamor_priv->saved_create_picture;
}
#endif
if (glamor_priv->vb)
free(glamor_priv->vb);
free(glamor_priv);
return screen->CloseScreen(idx, screen);
}
void
glamor_fini(ScreenPtr screen)
{
/* Do nothing currently. */
}
/*
* Copyright © 2008 Intel Corporation
*
* 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 (including the next
* paragraph) 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
* 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#ifndef GLAMOR_H
#define GLAMOR_H
#include "scrnintstr.h"
#ifdef GLAMOR_FOR_XORG
#include "xf86str.h"
#endif
#include "pixmapstr.h"
#include "windowstr.h"
#include "gcstruct.h"
#include "picturestr.h"
#include "fb.h"
#include "fbpict.h"
#endif /* GLAMOR_H */
#define GLAMOR_INVERTED_Y_AXIS 1
#define GLAMOR_HOSTX 2
#define GLAMOR_VALID_FLAGS (GLAMOR_INVERTED_Y_AXIS | GLAMOR_HOSTX)
#define GLAMOR_EGL_EXTERNAL_BUFFER 3
extern _X_EXPORT Bool glamor_init(ScreenPtr screen, unsigned int flags);
extern _X_EXPORT void glamor_fini(ScreenPtr screen);
extern _X_EXPORT void glamor_set_screen_pixmap_texture(ScreenPtr screen, int w, int h, unsigned int tex);
extern _X_EXPORT Bool glamor_glyphs_init (ScreenPtr pScreen);
void glamor_set_pixmap_texture(PixmapPtr pixmap, int w, int h, unsigned int tex);
#ifdef GLAMOR_FOR_XORG
extern _X_EXPORT Bool glamor_egl_init(ScrnInfoPtr scrn, int fd);
extern _X_EXPORT Bool glamor_create_egl_screen_image(ScreenPtr screen, int handle, int stride);
extern _X_EXPORT Bool glamor_create_egl_pixmap_image(PixmapPtr pixmap, int handle, int stride);
extern _X_EXPORT Bool glamor_close_egl_screen(ScreenPtr screen);
extern _X_EXPORT void glamor_free_egl_screen(int scrnIndex, int flags);
#endif
/*
* Copyright © 2008 Intel Corporation
* Copyright © 1998 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "glamor_priv.h"
/** @file glamor_copyarea.c
*
* GC CopyArea implementation
*/
#ifndef GLAMOR_GLES2
static Bool
glamor_copy_n_to_n_fbo_blit(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy)
{
ScreenPtr screen = dst->pScreen;
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
glamor_pixmap_private *src_pixmap_priv;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
glamor_gl_dispatch *dispatch = &glamor_priv->dispatch;
int dst_x_off, dst_y_off, src_x_off, src_y_off, i;
if (!glamor_priv->has_fbo_blit) {
glamor_delayed_fallback(screen,"no EXT_framebuffer_blit\n");
return FALSE;
}
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
if (src_pixmap_priv->pending_op.type == GLAMOR_PENDING_FILL)
return FALSE;
if (gc) {
if (gc->alu != GXcopy) {
glamor_delayed_fallback(screen, "non-copy ALU\n");
return FALSE;
}
if (!glamor_pm_is_solid(dst, gc->planemask)) {
glamor_delayed_fallback(screen, "non-solid planemask\n");
return FALSE;
}
}
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)) {
glamor_delayed_fallback(screen, "no src fbo\n");
return FALSE;
}
if (glamor_set_destination_pixmap(dst_pixmap)) {
return FALSE;
}
glamor_validate_pixmap(dst_pixmap);
dispatch->glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, src_pixmap_priv->fb);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off, &dst_y_off);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off, &src_y_off);
src_y_off += dy;
for (i = 0; i < nbox; i++) {
if(glamor_priv->yInverted) {
dispatch->glBlitFramebuffer((box[i].x1 + dx + src_x_off),
(box[i].y1 + src_y_off),
(box[i].x2 + dx + src_x_off),
(box[i].y2 + src_y_off),
(box[i].x1 + dst_x_off),
(box[i].y1 + dst_y_off),
(box[i].x2 + dst_x_off),
(box[i].y2 + dst_y_off),
GL_COLOR_BUFFER_BIT,
GL_NEAREST);
} else {
int flip_dst_y1 = dst_pixmap->drawable.height - (box[i].y2 + dst_y_off);