xserver-multidpi/glamor/glamor_fbo.c

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/*
* 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"
#define GLAMOR_CACHE_EXPIRE_MAX 100
#define GLAMOR_CACHE_DEFAULT 0
#define GLAMOR_CACHE_EXACT_SIZE 1
#define GLAMOR_CACHE_TEXTURE 2
//#define NO_FBO_CACHE 1
#define FBO_CACHE_THRESHOLD (256*1024*1024)
/* Loop from the tail to the head. */
#define xorg_list_for_each_entry_reverse(pos, head, member) \
for (pos = __container_of((head)->prev, pos, member); \
&pos->member != (head); \
pos = __container_of(pos->member.prev, pos, member))
#define xorg_list_for_each_entry_safe_reverse(pos, tmp, head, member) \
for (pos = __container_of((head)->prev, pos, member), \
tmp = __container_of(pos->member.prev, pos, member); \
&pos->member != (head); \
pos = tmp, tmp = __container_of(pos->member.prev, tmp, member))
#ifdef __i386__
static inline unsigned long __fls(unsigned long x)
{
asm("bsr %1,%0"
: "=r" (x)
: "rm" (x));
return x;
}
#else
static inline unsigned long __fls(unsigned long x)
{
int n;
if (x == 0) return(0);
n = 0;
if (x <= 0x0000FFFF) {n = n +16; x = x <<16;}
if (x <= 0x00FFFFFF) {n = n + 8; x = x << 8;}
if (x <= 0x0FFFFFFF) {n = n + 4; x = x << 4;}
if (x <= 0x3FFFFFFF) {n = n + 2; x = x << 2;}
if (x <= 0x7FFFFFFF) {n = n + 1;}
return 31 - n;
}
#endif
inline static int cache_wbucket(int size)
{
int order = __fls(size / 32);
if (order >= CACHE_BUCKET_WCOUNT)
order = CACHE_BUCKET_WCOUNT - 1;
return order;
}
inline static int cache_hbucket(int size)
{
int order = __fls(size / 32);
if (order >= CACHE_BUCKET_HCOUNT)
order = CACHE_BUCKET_HCOUNT - 1;
return order;
}
glamor_pixmap_fbo *
glamor_pixmap_fbo_cache_get(glamor_screen_private *glamor_priv,
int w, int h, GLenum format, int flag)
{
struct xorg_list *cache;
glamor_pixmap_fbo *fbo_entry, *ret_fbo = NULL;
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
int n_format;
#ifdef NO_FBO_CACHE
return NULL;
#else
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
n_format = cache_format(format);
if (n_format == -1)
return NULL;
if (!(flag & GLAMOR_CACHE_TEXTURE))
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
cache = &glamor_priv->fbo_cache[n_format]
[cache_wbucket(w)]
[cache_hbucket(h)];
else
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
cache = &glamor_priv->tex_cache[n_format]
[cache_wbucket(w)]
[cache_hbucket(h)];
if (!(flag & GLAMOR_CACHE_EXACT_SIZE)) {
xorg_list_for_each_entry(fbo_entry, cache, list) {
if (fbo_entry->width >= w && fbo_entry->height >= h) {
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
DEBUGF("Request w %d h %d format %x \n", w, h, format);
DEBUGF("got cache entry %p w %d h %d fbo %d tex %d format %x\n",
fbo_entry, fbo_entry->width, fbo_entry->height,
fbo_entry->fb, fbo_entry->tex);
xorg_list_del(&fbo_entry->list);
ret_fbo = fbo_entry;
break;
}
}
}
else {
xorg_list_for_each_entry(fbo_entry, cache, list) {
if (fbo_entry->width == w && fbo_entry->height == h) {
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
DEBUGF("Request w %d h %d format %x \n", w, h, format);
DEBUGF("got cache entry %p w %d h %d fbo %d tex %d format %x\n",
fbo_entry, fbo_entry->width, fbo_entry->height,
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
fbo_entry->fb, fbo_entry->tex, fbo_entry->format);
assert(format == fbo_entry->format);
xorg_list_del(&fbo_entry->list);
ret_fbo = fbo_entry;
break;
}
}
}
if (ret_fbo)
glamor_priv->fbo_cache_watermark -= ret_fbo->width * ret_fbo->height;
assert(glamor_priv->fbo_cache_watermark >= 0);
return ret_fbo;
#endif
}
void
glamor_purge_fbo(glamor_pixmap_fbo *fbo)
{
glamor_gl_dispatch *dispatch = glamor_get_dispatch(fbo->glamor_priv);
if (fbo->fb)
dispatch->glDeleteFramebuffers(1, &fbo->fb);
if (fbo->tex)
dispatch->glDeleteTextures(1, &fbo->tex);
if (fbo->pbo)
dispatch->glDeleteBuffers(1, &fbo->pbo);
glamor_put_dispatch(fbo->glamor_priv);
free(fbo);
}
static void
glamor_pixmap_fbo_cache_put(glamor_pixmap_fbo *fbo)
{
struct xorg_list *cache;
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
int n_format;
#ifdef NO_FBO_CACHE
glamor_purge_fbo(fbo);
return;
#else
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
n_format = cache_format(fbo->format);
if (fbo->fb == 0 || n_format == -1
|| fbo->glamor_priv->fbo_cache_watermark >= FBO_CACHE_THRESHOLD) {
fbo->glamor_priv->tick ++;
glamor_purge_fbo(fbo);
return;
}
if (fbo->fb)
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
cache = &fbo->glamor_priv->fbo_cache[n_format]
[cache_wbucket(fbo->width)]
[cache_hbucket(fbo->height)];
else
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
cache = &fbo->glamor_priv->tex_cache[n_format]
[cache_wbucket(fbo->width)]
[cache_hbucket(fbo->height)];
DEBUGF("Put cache entry %p to cache %p w %d h %d format %x fbo %d tex %d \n", fbo, cache,
fbo->width, fbo->height, fbo->format, fbo->fb, fbo->tex);
fbo->glamor_priv->fbo_cache_watermark += fbo->width * fbo->height;
xorg_list_add(&fbo->list, cache);
fbo->expire = fbo->glamor_priv->tick + GLAMOR_CACHE_EXPIRE_MAX;
#endif
}
static void
glamor_pixmap_ensure_fb(glamor_pixmap_fbo *fbo)
{
glamor_gl_dispatch *dispatch;
int status;
dispatch = glamor_get_dispatch(fbo->glamor_priv);
if (fbo->fb == 0)
dispatch->glGenFramebuffers(1, &fbo->fb);
assert(fbo->tex != 0);
dispatch->glBindFramebuffer(GL_FRAMEBUFFER, fbo->fb);
dispatch->glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, fbo->tex,
0);
status = dispatch->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;
}
FatalError("destination is framebuffer incomplete: %s [%#x]\n",
str, status);
}
glamor_put_dispatch(fbo->glamor_priv);
}
glamor_pixmap_fbo *
glamor_create_fbo_from_tex(glamor_screen_private *glamor_priv,
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
int w, int h, GLenum format, GLint tex, int flag)
{
glamor_pixmap_fbo *fbo;
fbo = calloc(1, sizeof(*fbo));
if (fbo == NULL)
return NULL;
xorg_list_init(&fbo->list);
fbo->tex = tex;
fbo->width = w;
fbo->height = h;
fbo->format = format;
fbo->glamor_priv = glamor_priv;
if (flag == GLAMOR_CREATE_PIXMAP_MAP) {
glamor_gl_dispatch *dispatch;
dispatch = glamor_get_dispatch(glamor_priv);
dispatch->glGenBuffers(1, &fbo->pbo);
glamor_put_dispatch(glamor_priv);
goto done;
}
if (flag != GLAMOR_CREATE_FBO_NO_FBO)
glamor_pixmap_ensure_fb(fbo);
done:
return fbo;
}
void
glamor_fbo_expire(glamor_screen_private *glamor_priv)
{
struct xorg_list *cache;
glamor_pixmap_fbo *fbo_entry, *tmp;
int i,j,k;
int empty_cache = TRUE;
for(i = 0; i < CACHE_FORMAT_COUNT; i++)
for(j = 0; j < CACHE_BUCKET_WCOUNT; j++)
for(k = 0; k < CACHE_BUCKET_HCOUNT; k++) {
cache = &glamor_priv->fbo_cache[i][j][k];
xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) {
if (GLAMOR_TICK_AFTER(fbo_entry->expire, glamor_priv->tick)) {
empty_cache = FALSE;
break;
}
glamor_priv->fbo_cache_watermark -= fbo_entry->width * fbo_entry->height;
xorg_list_del(&fbo_entry->list);
DEBUGF("cache %p fbo %p expired %d current %d \n", cache, fbo_entry,
fbo_entry->expire, glamor_priv->tick);
glamor_purge_fbo(fbo_entry);
}
#if 0
cache = &glamor_priv->tex_cache[i][j][k];
xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) {
if (GLAMOR_TICK_AFTER(fbo_entry->expire, glamor_priv->tick)) {
empty_cache = FALSE;
break;
}
xorg_list_del(&fbo_entry->list);
DEBUGF("cache %p fbo %p expired %d current %d \n", cache, fbo_entry,
fbo_entry->expire, glamor_priv->tick);
glamor_purge_fbo(fbo_entry);
}
#endif
}
}
void
glamor_init_pixmap_fbo(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
int i,j,k;
glamor_priv = glamor_get_screen_private(screen);
for(i = 0; i < CACHE_FORMAT_COUNT; i++)
for(j = 0; j < CACHE_BUCKET_WCOUNT; j++)
for(k = 0; k < CACHE_BUCKET_HCOUNT; k++)
{
xorg_list_init(&glamor_priv->fbo_cache[i][j][k]);
xorg_list_init(&glamor_priv->tex_cache[i][j][k]);
}
glamor_priv->fbo_cache_watermark = 0;
}
void
glamor_fini_pixmap_fbo(ScreenPtr screen)
{
struct xorg_list *cache;
glamor_screen_private *glamor_priv;
glamor_pixmap_fbo *fbo_entry, *tmp;
int i,j,k;
glamor_priv = glamor_get_screen_private(screen);
for(i = 0; i < CACHE_FORMAT_COUNT; i++)
for(j = 0; j < CACHE_BUCKET_WCOUNT; j++)
for(k = 0; k < CACHE_BUCKET_HCOUNT; k++)
{
cache = &glamor_priv->fbo_cache[i][j][k];
xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) {
xorg_list_del(&fbo_entry->list);
glamor_purge_fbo(fbo_entry);
}
#if 0
cache = &glamor_priv->tex_cache[i][j][k];
xorg_list_for_each_entry_safe_reverse(fbo_entry, tmp, cache, list) {
xorg_list_del(&fbo_entry->list);
glamor_purge_fbo(fbo_entry);
}
#endif
}
}
void
glamor_destroy_fbo(glamor_pixmap_fbo *fbo)
{
xorg_list_del(&fbo->list);
glamor_pixmap_fbo_cache_put(fbo);
}
glamor_pixmap_fbo *
glamor_create_tex_obj(glamor_screen_private *glamor_priv,
int w, int h, GLenum format, int flag)
{
glamor_gl_dispatch *dispatch;
glamor_pixmap_fbo *fbo;
int cache_flag = GLAMOR_CACHE_TEXTURE;
GLuint tex;
if (flag == GLAMOR_CREATE_TEXTURE_EXACT_SIZE)
cache_flag |= GLAMOR_CACHE_EXACT_SIZE;
fbo = glamor_pixmap_fbo_cache_get(glamor_priv, w, h,
format, cache_flag);
if (fbo)
return fbo;
fbo = calloc(1, sizeof(*fbo));
if (fbo == NULL)
return NULL;
xorg_list_init(&fbo->list);
dispatch = glamor_get_dispatch(glamor_priv);
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_put_dispatch(glamor_priv);
fbo->tex = tex;
fbo->width = w;
fbo->height = h;
fbo->format = format;
fbo->glamor_priv = glamor_priv;
return fbo;
}
void
glamor_destroy_tex_obj(glamor_pixmap_fbo * tex_obj)
{
assert(tex_obj->fb == 0);
xorg_list_del(&tex_obj->list);
glamor_pixmap_fbo_cache_put(tex_obj);
}
int
_glamor_create_tex(glamor_screen_private *glamor_priv,
int w, int h, GLenum format)
{
glamor_gl_dispatch *dispatch;
unsigned int tex;
dispatch = glamor_get_dispatch(glamor_priv);
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_put_dispatch(glamor_priv);
return tex;
}
glamor_pixmap_fbo *
glamor_create_fbo(glamor_screen_private *glamor_priv,
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
int w, int h,
GLenum format,
int flag)
{
glamor_pixmap_fbo *fbo;
GLint tex = 0;
int cache_flag;
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
if (!glamor_check_fbo_size(glamor_priv, w, h))
return NULL;
if (flag == GLAMOR_CREATE_FBO_NO_FBO)
goto new_fbo;
if (flag == GLAMOR_CREATE_PIXMAP_MAP)
goto no_tex;
if (flag == GLAMOR_CREATE_PIXMAP_FIXUP)
cache_flag = GLAMOR_CACHE_EXACT_SIZE;
else
cache_flag = 0;
fbo = glamor_pixmap_fbo_cache_get(glamor_priv, w, h,
format, cache_flag);
if (fbo)
return fbo;
new_fbo:
tex = _glamor_create_tex(glamor_priv, w, h, format);
no_tex:
gles2: Fixed color conversion for the formats except 1555 and 2101010. This patch fixed two major problems when we do the color convesion with GLES2. 1. lack of necessary formats in FBO pool. GLES2 has three different possible texture formats, GL_RGBA, GL_BGRA and GL_ALPHA. Previous implementation only has one bucket for all the three formats which may reuse a incorrect texture format when do the cache lookup. After this fix, we can enable fbo safely when running with GLES2. 2. Refine the format matching method in glamor_get_tex_format_type_from_pictformat. If both revertion and swap_rb are needed, for example use GL_RGBA to represent PICT_b8g8r8a8. Then the downloading and uploading should be handled differently. The picture's format is PICT_b8g8r8a8, Then the expecting color layout is as below (little endian): 0 1 2 3 : address a r g b Now the in GLES2 the supported color format is GL_RGBA, type is GL_UNSIGNED_TYPE, then we need to shuffle the fragment color as : frag_color = sample(texture).argb; before we use glReadPixel to get it back. For the uploading process, the shuffle is a revert shuffle. We still use GL_RGBA, GL_UNSIGNED_BYTE to upload the color to a texture, then let's see 0 1 2 3 : address a r g b : correct colors R G B A : GL_RGBA with GL_UNSIGNED_BYTE Now we need to shuffle again, the mapping rule is r = G, g = B, b = A, a = R. Then the uploading shuffle is as below: frag_color = sample(texture).gbar; After this commit, gles2 version can pass render check with all the formats except those 1555/2101010. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
2012-04-05 15:53:44 +02:00
fbo = glamor_create_fbo_from_tex(glamor_priv, w, h, format, tex, flag);
return fbo;
}
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 == NULL) {
glamor_screen_private *glamor_priv;
glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
pixmap_priv = calloc(1, sizeof(*pixmap_priv));
dixSetPrivate(&pixmap->devPrivates,
glamor_pixmap_private_key, pixmap_priv);
pixmap_priv->container = pixmap;
pixmap_priv->glamor_priv = glamor_priv;
pixmap_priv->type = GLAMOR_MEMORY;
}
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 = 1;
if (fbo->tex != 0)
pixmap_priv->gl_tex = 1;
else {
/* XXX For the Xephyr only, may be broken now.*/
pixmap_priv->gl_tex = 0;
}
case GLAMOR_MEMORY_MAP:
pixmap->devPrivate.ptr = NULL;
break;
default:
break;
}
}
Bool
glamor_pixmap_ensure_fbo(PixmapPtr pixmap, GLenum format, 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 == NULL || pixmap_priv->fbo == NULL) {
fbo = glamor_create_fbo(glamor_priv, pixmap->drawable.width,
pixmap->drawable.height,
format,
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->drawable.width,
pixmap->drawable.height, format);
if (flag != GLAMOR_CREATE_FBO_NO_FBO && pixmap_priv->fbo->fb == 0)
glamor_pixmap_ensure_fb(pixmap_priv->fbo);
}
pixmap_priv = glamor_get_pixmap_private(pixmap);
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;
}