sync code with last improvements from OpenBSD
This commit is contained in:
commit
88965415ff
GPG key ID:
F42C07F07E2E35B7
26235 changed files with 29195616 additions and 0 deletions
369
xserver/glamor/glamor_fbo.c
Normal file
369
xserver/glamor/glamor_fbo.c
Normal file
|
|
@ -0,0 +1,369 @@
|
|||
/*
|
||||
* Copyright © 2009 Intel Corporation
|
||||
* Copyright © 1998 Keith Packard
|
||||
*
|
||||
* 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:
|
||||
* Zhigang Gong <zhigang.gong@gmail.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "glamor_priv.h"
|
||||
|
||||
void
|
||||
glamor_destroy_fbo(glamor_screen_private *glamor_priv,
|
||||
glamor_pixmap_fbo *fbo)
|
||||
{
|
||||
glamor_make_current(glamor_priv);
|
||||
|
||||
if (fbo->fb)
|
||||
glDeleteFramebuffers(1, &fbo->fb);
|
||||
if (fbo->tex)
|
||||
glDeleteTextures(1, &fbo->tex);
|
||||
|
||||
free(fbo);
|
||||
}
|
||||
|
||||
static int
|
||||
glamor_pixmap_ensure_fb(glamor_screen_private *glamor_priv,
|
||||
glamor_pixmap_fbo *fbo)
|
||||
{
|
||||
int status, err = 0;
|
||||
|
||||
glamor_make_current(glamor_priv);
|
||||
|
||||
if (fbo->fb == 0)
|
||||
glGenFramebuffers(1, &fbo->fb);
|
||||
assert(fbo->tex != 0);
|
||||
glBindFramebuffer(GL_FRAMEBUFFER, fbo->fb);
|
||||
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
||||
GL_TEXTURE_2D, fbo->tex, 0);
|
||||
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
||||
if (status != GL_FRAMEBUFFER_COMPLETE) {
|
||||
const char *str;
|
||||
|
||||
switch (status) {
|
||||
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
|
||||
str = "incomplete attachment";
|
||||
break;
|
||||
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
|
||||
str = "incomplete/missing attachment";
|
||||
break;
|
||||
case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
|
||||
str = "incomplete draw buffer";
|
||||
break;
|
||||
case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
|
||||
str = "incomplete read buffer";
|
||||
break;
|
||||
case GL_FRAMEBUFFER_UNSUPPORTED:
|
||||
str = "unsupported";
|
||||
break;
|
||||
case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:
|
||||
str = "incomplete multiple";
|
||||
break;
|
||||
default:
|
||||
str = "unknown error";
|
||||
break;
|
||||
}
|
||||
|
||||
glamor_fallback("glamor: Failed to create fbo, %s\n", str);
|
||||
err = -1;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
glamor_pixmap_fbo *
|
||||
glamor_create_fbo_from_tex(glamor_screen_private *glamor_priv,
|
||||
PixmapPtr pixmap, int w, int h, GLint tex, int flag)
|
||||
{
|
||||
const struct glamor_format *f = glamor_format_for_pixmap(pixmap);
|
||||
glamor_pixmap_fbo *fbo;
|
||||
|
||||
fbo = calloc(1, sizeof(*fbo));
|
||||
if (fbo == NULL)
|
||||
return NULL;
|
||||
|
||||
fbo->tex = tex;
|
||||
fbo->width = w;
|
||||
fbo->height = h;
|
||||
fbo->is_red = f->format == GL_RED;
|
||||
|
||||
if (flag != GLAMOR_CREATE_FBO_NO_FBO) {
|
||||
if (glamor_pixmap_ensure_fb(glamor_priv, fbo) != 0) {
|
||||
glamor_destroy_fbo(glamor_priv, fbo);
|
||||
fbo = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
return fbo;
|
||||
}
|
||||
|
||||
static int
|
||||
_glamor_create_tex(glamor_screen_private *glamor_priv,
|
||||
PixmapPtr pixmap, int w, int h)
|
||||
{
|
||||
const struct glamor_format *f = glamor_format_for_pixmap(pixmap);
|
||||
unsigned int tex;
|
||||
|
||||
glamor_make_current(glamor_priv);
|
||||
glGenTextures(1, &tex);
|
||||
glBindTexture(GL_TEXTURE_2D, tex);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
||||
if (f->format == GL_RED)
|
||||
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_A, GL_RED);
|
||||
glamor_priv->suppress_gl_out_of_memory_logging = true;
|
||||
glTexImage2D(GL_TEXTURE_2D, 0, f->internalformat, w, h, 0,
|
||||
f->format, f->type, NULL);
|
||||
glamor_priv->suppress_gl_out_of_memory_logging = false;
|
||||
|
||||
if (glGetError() == GL_OUT_OF_MEMORY) {
|
||||
if (!glamor_priv->logged_any_fbo_allocation_failure) {
|
||||
LogMessageVerb(X_WARNING, 0, "glamor: Failed to allocate %dx%d "
|
||||
"FBO due to GL_OUT_OF_MEMORY.\n", w, h);
|
||||
LogMessageVerb(X_WARNING, 0,
|
||||
"glamor: Expect reduced performance.\n");
|
||||
glamor_priv->logged_any_fbo_allocation_failure = true;
|
||||
}
|
||||
glDeleteTextures(1, &tex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return tex;
|
||||
}
|
||||
|
||||
glamor_pixmap_fbo *
|
||||
glamor_create_fbo(glamor_screen_private *glamor_priv,
|
||||
PixmapPtr pixmap, int w, int h, int flag)
|
||||
{
|
||||
GLint tex = _glamor_create_tex(glamor_priv, pixmap, w, h);
|
||||
|
||||
if (!tex) /* Texture creation failed due to GL_OUT_OF_MEMORY */
|
||||
return NULL;
|
||||
|
||||
return glamor_create_fbo_from_tex(glamor_priv, pixmap, w, h,
|
||||
tex, flag);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create storage for the w * h region, using FBOs of the GL's maximum
|
||||
* supported size.
|
||||
*/
|
||||
glamor_pixmap_fbo *
|
||||
glamor_create_fbo_array(glamor_screen_private *glamor_priv,
|
||||
PixmapPtr pixmap, int flag,
|
||||
int block_w, int block_h,
|
||||
glamor_pixmap_private *priv)
|
||||
{
|
||||
int w = pixmap->drawable.width;
|
||||
int h = pixmap->drawable.height;
|
||||
int block_wcnt;
|
||||
int block_hcnt;
|
||||
glamor_pixmap_fbo **fbo_array;
|
||||
BoxPtr box_array;
|
||||
int i, j;
|
||||
|
||||
priv->block_w = block_w;
|
||||
priv->block_h = block_h;
|
||||
|
||||
block_wcnt = (w + block_w - 1) / block_w;
|
||||
block_hcnt = (h + block_h - 1) / block_h;
|
||||
|
||||
box_array = calloc(block_wcnt * block_hcnt, sizeof(box_array[0]));
|
||||
if (box_array == NULL)
|
||||
return NULL;
|
||||
|
||||
fbo_array = calloc(block_wcnt * block_hcnt, sizeof(glamor_pixmap_fbo *));
|
||||
if (fbo_array == NULL) {
|
||||
free(box_array);
|
||||
return FALSE;
|
||||
}
|
||||
for (i = 0; i < block_hcnt; i++) {
|
||||
int block_y1, block_y2;
|
||||
int fbo_w, fbo_h;
|
||||
|
||||
block_y1 = i * block_h;
|
||||
block_y2 = (block_y1 + block_h) > h ? h : (block_y1 + block_h);
|
||||
fbo_h = block_y2 - block_y1;
|
||||
|
||||
for (j = 0; j < block_wcnt; j++) {
|
||||
box_array[i * block_wcnt + j].x1 = j * block_w;
|
||||
box_array[i * block_wcnt + j].y1 = block_y1;
|
||||
box_array[i * block_wcnt + j].x2 =
|
||||
(j + 1) * block_w > w ? w : (j + 1) * block_w;
|
||||
box_array[i * block_wcnt + j].y2 = block_y2;
|
||||
fbo_w =
|
||||
box_array[i * block_wcnt + j].x2 - box_array[i * block_wcnt +
|
||||
j].x1;
|
||||
fbo_array[i * block_wcnt + j] = glamor_create_fbo(glamor_priv,
|
||||
pixmap,
|
||||
fbo_w, fbo_h,
|
||||
GLAMOR_CREATE_PIXMAP_FIXUP);
|
||||
if (fbo_array[i * block_wcnt + j] == NULL)
|
||||
goto cleanup;
|
||||
}
|
||||
}
|
||||
|
||||
priv->box = box_array[0];
|
||||
priv->box_array = box_array;
|
||||
priv->fbo_array = fbo_array;
|
||||
priv->block_wcnt = block_wcnt;
|
||||
priv->block_hcnt = block_hcnt;
|
||||
return fbo_array[0];
|
||||
|
||||
cleanup:
|
||||
for (i = 0; i < block_wcnt * block_hcnt; i++)
|
||||
if (fbo_array[i])
|
||||
glamor_destroy_fbo(glamor_priv, fbo_array[i]);
|
||||
free(box_array);
|
||||
free(fbo_array);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
glamor_pixmap_clear_fbo(glamor_screen_private *glamor_priv, glamor_pixmap_fbo *fbo,
|
||||
const struct glamor_format *pixmap_format)
|
||||
{
|
||||
glamor_make_current(glamor_priv);
|
||||
|
||||
assert(fbo->fb != 0 && fbo->tex != 0);
|
||||
|
||||
if (glamor_priv->has_clear_texture) {
|
||||
glClearTexImage(fbo->tex, 0, pixmap_format->format, pixmap_format->type, NULL);
|
||||
}
|
||||
else {
|
||||
glamor_set_destination_pixmap_fbo(glamor_priv, fbo, 0, 0, fbo->width, fbo->height);
|
||||
|
||||
glClearColor(0.0, 0.0, 0.0, 0.0);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
}
|
||||
}
|
||||
|
||||
glamor_pixmap_fbo *
|
||||
glamor_pixmap_detach_fbo(glamor_pixmap_private *pixmap_priv)
|
||||
{
|
||||
glamor_pixmap_fbo *fbo;
|
||||
|
||||
if (pixmap_priv == NULL)
|
||||
return NULL;
|
||||
|
||||
fbo = pixmap_priv->fbo;
|
||||
if (fbo == NULL)
|
||||
return NULL;
|
||||
|
||||
pixmap_priv->fbo = NULL;
|
||||
return fbo;
|
||||
}
|
||||
|
||||
/* The pixmap must not be attached to another fbo. */
|
||||
void
|
||||
glamor_pixmap_attach_fbo(PixmapPtr pixmap, glamor_pixmap_fbo *fbo)
|
||||
{
|
||||
glamor_pixmap_private *pixmap_priv;
|
||||
|
||||
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
||||
|
||||
if (pixmap_priv->fbo)
|
||||
return;
|
||||
|
||||
pixmap_priv->fbo = fbo;
|
||||
|
||||
switch (pixmap_priv->type) {
|
||||
case GLAMOR_TEXTURE_ONLY:
|
||||
case GLAMOR_TEXTURE_DRM:
|
||||
pixmap_priv->gl_fbo = GLAMOR_FBO_NORMAL;
|
||||
pixmap->devPrivate.ptr = NULL;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
glamor_pixmap_destroy_fbo(PixmapPtr pixmap)
|
||||
{
|
||||
ScreenPtr screen = pixmap->drawable.pScreen;
|
||||
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
|
||||
glamor_pixmap_private *priv = glamor_get_pixmap_private(pixmap);
|
||||
glamor_pixmap_fbo *fbo;
|
||||
|
||||
if (glamor_pixmap_priv_is_large(priv)) {
|
||||
int i;
|
||||
|
||||
for (i = 0; i < priv->block_wcnt * priv->block_hcnt; i++)
|
||||
glamor_destroy_fbo(glamor_priv, priv->fbo_array[i]);
|
||||
free(priv->fbo_array);
|
||||
priv->fbo_array = NULL;
|
||||
}
|
||||
else {
|
||||
fbo = glamor_pixmap_detach_fbo(priv);
|
||||
if (fbo)
|
||||
glamor_destroy_fbo(glamor_priv, fbo);
|
||||
}
|
||||
}
|
||||
|
||||
Bool
|
||||
glamor_pixmap_ensure_fbo(PixmapPtr pixmap, int flag)
|
||||
{
|
||||
glamor_screen_private *glamor_priv;
|
||||
glamor_pixmap_private *pixmap_priv;
|
||||
glamor_pixmap_fbo *fbo;
|
||||
|
||||
glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
|
||||
pixmap_priv = glamor_get_pixmap_private(pixmap);
|
||||
if (pixmap_priv->fbo == NULL) {
|
||||
|
||||
fbo = glamor_create_fbo(glamor_priv, pixmap, pixmap->drawable.width,
|
||||
pixmap->drawable.height, flag);
|
||||
if (fbo == NULL)
|
||||
return FALSE;
|
||||
|
||||
glamor_pixmap_attach_fbo(pixmap, fbo);
|
||||
}
|
||||
else {
|
||||
/* We do have a fbo, but it may lack of fb or tex. */
|
||||
if (!pixmap_priv->fbo->tex)
|
||||
pixmap_priv->fbo->tex =
|
||||
_glamor_create_tex(glamor_priv, pixmap, pixmap->drawable.width,
|
||||
pixmap->drawable.height);
|
||||
|
||||
if (flag != GLAMOR_CREATE_FBO_NO_FBO && pixmap_priv->fbo->fb == 0)
|
||||
if (glamor_pixmap_ensure_fb(glamor_priv, pixmap_priv->fbo) != 0)
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
_X_EXPORT void
|
||||
glamor_pixmap_exchange_fbos(PixmapPtr front, PixmapPtr back)
|
||||
{
|
||||
glamor_pixmap_private *front_priv, *back_priv;
|
||||
glamor_pixmap_fbo *temp_fbo;
|
||||
|
||||
front_priv = glamor_get_pixmap_private(front);
|
||||
back_priv = glamor_get_pixmap_private(back);
|
||||
temp_fbo = front_priv->fbo;
|
||||
front_priv->fbo = back_priv->fbo;
|
||||
back_priv->fbo = temp_fbo;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue