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mesa/src/gallium/drivers/svga/svga_screen_texture.c
Vinson Lee 08cddfe291 svga: Remove unnecessary header.
2010-03-14 15:38:04 -07:00

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/**********************************************************
* Copyright 2008-2009 VMware, Inc. All rights reserved.
*
* 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 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.
*
**********************************************************/
#include "svga_cmd.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "os/os_thread.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "svga_screen.h"
#include "svga_context.h"
#include "svga_screen_texture.h"
#include "svga_screen_buffer.h"
#include "svga_winsys.h"
#include "svga_debug.h"
#include "svga_screen_buffer.h"
/* XXX: This isn't a real hardware flag, but just a hack for kernel to
* know about primary surfaces. Find a better way to accomplish this.
*/
#define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9)
/*
* Helper function and arrays
*/
SVGA3dSurfaceFormat
svga_translate_format(enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
return SVGA3D_A8R8G8B8;
case PIPE_FORMAT_B8G8R8X8_UNORM:
return SVGA3D_X8R8G8B8;
/* Required for GL2.1:
*/
case PIPE_FORMAT_B8G8R8A8_SRGB:
return SVGA3D_A8R8G8B8;
case PIPE_FORMAT_B5G6R5_UNORM:
return SVGA3D_R5G6B5;
case PIPE_FORMAT_B5G5R5A1_UNORM:
return SVGA3D_A1R5G5B5;
case PIPE_FORMAT_B4G4R4A4_UNORM:
return SVGA3D_A4R4G4B4;
/* XXX: Doesn't seem to work properly.
case PIPE_FORMAT_Z32_UNORM:
return SVGA3D_Z_D32;
*/
case PIPE_FORMAT_Z16_UNORM:
return SVGA3D_Z_D16;
case PIPE_FORMAT_S8Z24_UNORM:
return SVGA3D_Z_D24S8;
case PIPE_FORMAT_X8Z24_UNORM:
return SVGA3D_Z_D24X8;
case PIPE_FORMAT_A8_UNORM:
return SVGA3D_ALPHA8;
case PIPE_FORMAT_L8_UNORM:
return SVGA3D_LUMINANCE8;
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
return SVGA3D_DXT1;
case PIPE_FORMAT_DXT3_RGBA:
return SVGA3D_DXT3;
case PIPE_FORMAT_DXT5_RGBA:
return SVGA3D_DXT5;
default:
return SVGA3D_FORMAT_INVALID;
}
}
SVGA3dSurfaceFormat
svga_translate_format_render(enum pipe_format format)
{
switch(format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_B5G5R5A1_UNORM:
case PIPE_FORMAT_B4G4R4A4_UNORM:
case PIPE_FORMAT_B5G6R5_UNORM:
case PIPE_FORMAT_S8Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_Z32_UNORM:
case PIPE_FORMAT_Z16_UNORM:
case PIPE_FORMAT_L8_UNORM:
return svga_translate_format(format);
#if 1
/* For on host conversion */
case PIPE_FORMAT_DXT1_RGB:
return SVGA3D_X8R8G8B8;
case PIPE_FORMAT_DXT1_RGBA:
case PIPE_FORMAT_DXT3_RGBA:
case PIPE_FORMAT_DXT5_RGBA:
return SVGA3D_A8R8G8B8;
#endif
default:
return SVGA3D_FORMAT_INVALID;
}
}
static INLINE void
svga_transfer_dma_band(struct svga_transfer *st,
SVGA3dTransferType transfer,
unsigned y, unsigned h, unsigned srcy)
{
struct svga_texture *texture = svga_texture(st->base.texture);
struct svga_screen *screen = svga_screen(texture->base.screen);
SVGA3dCopyBox box;
enum pipe_error ret;
SVGA_DBG(DEBUG_DMA, "dma %s sid %p, face %u, (%u, %u, %u) - (%u, %u, %u), %ubpp\n",
transfer == SVGA3D_WRITE_HOST_VRAM ? "to" : "from",
texture->handle,
st->base.face,
st->base.x,
y,
st->base.zslice,
st->base.x + st->base.width,
y + h,
st->base.zslice + 1,
util_format_get_blocksize(texture->base.format)*8/
(util_format_get_blockwidth(texture->base.format)*util_format_get_blockheight(texture->base.format)));
box.x = st->base.x;
box.y = y;
box.z = st->base.zslice;
box.w = st->base.width;
box.h = h;
box.d = 1;
box.srcx = 0;
box.srcy = srcy;
box.srcz = 0;
pipe_mutex_lock(screen->swc_mutex);
ret = SVGA3D_SurfaceDMA(screen->swc, st, transfer, &box, 1);
if(ret != PIPE_OK) {
screen->swc->flush(screen->swc, NULL);
ret = SVGA3D_SurfaceDMA(screen->swc, st, transfer, &box, 1);
assert(ret == PIPE_OK);
}
pipe_mutex_unlock(screen->swc_mutex);
}
static INLINE void
svga_transfer_dma(struct svga_transfer *st,
SVGA3dTransferType transfer)
{
struct svga_texture *texture = svga_texture(st->base.texture);
struct svga_screen *screen = svga_screen(texture->base.screen);
struct svga_winsys_screen *sws = screen->sws;
struct pipe_fence_handle *fence = NULL;
if (transfer == SVGA3D_READ_HOST_VRAM) {
SVGA_DBG(DEBUG_PERF, "%s: readback transfer\n", __FUNCTION__);
}
if(!st->swbuf) {
/* Do the DMA transfer in a single go */
svga_transfer_dma_band(st, transfer, st->base.y, st->base.height, 0);
if(transfer == SVGA3D_READ_HOST_VRAM) {
svga_screen_flush(screen, &fence);
sws->fence_finish(sws, fence, 0);
sws->fence_reference(sws, &fence, NULL);
}
}
else {
unsigned y, h, srcy;
unsigned blockheight = util_format_get_blockheight(st->base.texture->format);
h = st->hw_nblocksy * blockheight;
srcy = 0;
for(y = 0; y < st->base.height; y += h) {
unsigned offset, length;
void *hw, *sw;
if (y + h > st->base.height)
h = st->base.height - y;
/* Transfer band must be aligned to pixel block boundaries */
assert(y % blockheight == 0);
assert(h % blockheight == 0);
offset = y * st->base.stride / blockheight;
length = h * st->base.stride / blockheight;
sw = (uint8_t *)st->swbuf + offset;
if(transfer == SVGA3D_WRITE_HOST_VRAM) {
/* Wait for the previous DMAs to complete */
/* TODO: keep one DMA (at half the size) in the background */
if(y) {
svga_screen_flush(screen, &fence);
sws->fence_finish(sws, fence, 0);
sws->fence_reference(sws, &fence, NULL);
}
hw = sws->buffer_map(sws, st->hwbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
assert(hw);
if(hw) {
memcpy(hw, sw, length);
sws->buffer_unmap(sws, st->hwbuf);
}
}
svga_transfer_dma_band(st, transfer, y, h, srcy);
if(transfer == SVGA3D_READ_HOST_VRAM) {
svga_screen_flush(screen, &fence);
sws->fence_finish(sws, fence, 0);
hw = sws->buffer_map(sws, st->hwbuf, PIPE_BUFFER_USAGE_CPU_READ);
assert(hw);
if(hw) {
memcpy(sw, hw, length);
sws->buffer_unmap(sws, st->hwbuf);
}
}
}
}
}
static struct pipe_texture *
svga_texture_create(struct pipe_screen *screen,
const struct pipe_texture *templat)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_texture *tex = CALLOC_STRUCT(svga_texture);
unsigned width, height, depth;
unsigned level;
if (!tex)
goto error1;
tex->base = *templat;
pipe_reference_init(&tex->base.reference, 1);
tex->base.screen = screen;
assert(templat->last_level < SVGA_MAX_TEXTURE_LEVELS);
if(templat->last_level >= SVGA_MAX_TEXTURE_LEVELS)
goto error2;
width = templat->width0;
height = templat->height0;
depth = templat->depth0;
for(level = 0; level <= templat->last_level; ++level) {
width = u_minify(width, 1);
height = u_minify(height, 1);
depth = u_minify(depth, 1);
}
tex->key.flags = 0;
tex->key.size.width = templat->width0;
tex->key.size.height = templat->height0;
tex->key.size.depth = templat->depth0;
if(templat->target == PIPE_TEXTURE_CUBE) {
tex->key.flags |= SVGA3D_SURFACE_CUBEMAP;
tex->key.numFaces = 6;
}
else {
tex->key.numFaces = 1;
}
tex->key.cachable = 1;
if(templat->tex_usage & PIPE_TEXTURE_USAGE_SAMPLER)
tex->key.flags |= SVGA3D_SURFACE_HINT_TEXTURE;
if(templat->tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) {
tex->key.cachable = 0;
}
if(templat->tex_usage & PIPE_TEXTURE_USAGE_SHARED) {
tex->key.cachable = 0;
}
if(templat->tex_usage & PIPE_TEXTURE_USAGE_SCANOUT) {
tex->key.flags |= SVGA3D_SURFACE_HINT_SCANOUT;
tex->key.cachable = 0;
}
/*
* XXX: Never pass the SVGA3D_SURFACE_HINT_RENDERTARGET hint. Mesa cannot
* know beforehand whether a texture will be used as a rendertarget or not
* and it always requests PIPE_TEXTURE_USAGE_RENDER_TARGET, therefore
* passing the SVGA3D_SURFACE_HINT_RENDERTARGET here defeats its purpose.
*/
#if 0
if((templat->tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) &&
!util_format_is_compressed(templat->format))
tex->key.flags |= SVGA3D_SURFACE_HINT_RENDERTARGET;
#endif
if(templat->tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL)
tex->key.flags |= SVGA3D_SURFACE_HINT_DEPTHSTENCIL;
tex->key.numMipLevels = templat->last_level + 1;
tex->key.format = svga_translate_format(templat->format);
if(tex->key.format == SVGA3D_FORMAT_INVALID)
goto error2;
SVGA_DBG(DEBUG_DMA, "surface_create for texture\n", tex->handle);
tex->handle = svga_screen_surface_create(svgascreen, &tex->key);
if (tex->handle)
SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture)\n", tex->handle);
return &tex->base;
error2:
FREE(tex);
error1:
return NULL;
}
static struct pipe_texture *
svga_screen_texture_from_handle(struct pipe_screen *screen,
const struct pipe_texture *base,
struct winsys_handle *whandle)
{
struct svga_winsys_screen *sws = svga_winsys_screen(screen);
struct svga_winsys_surface *srf;
struct svga_texture *tex;
enum SVGA3dSurfaceFormat format = 0;
assert(screen);
/* Only supports one type */
if (base->target != PIPE_TEXTURE_2D ||
base->last_level != 0 ||
base->depth0 != 1) {
return NULL;
}
srf = sws->surface_from_handle(sws, whandle, &format);
if (!srf)
return NULL;
if (svga_translate_format(base->format) != format) {
unsigned f1 = svga_translate_format(base->format);
unsigned f2 = format;
/* It's okay for XRGB and ARGB or depth with/out stencil to get mixed up */
if ( !( (f1 == SVGA3D_X8R8G8B8 && f2 == SVGA3D_A8R8G8B8) ||
(f1 == SVGA3D_A8R8G8B8 && f2 == SVGA3D_X8R8G8B8) ||
(f1 == SVGA3D_Z_D24X8 && f2 == SVGA3D_Z_D24S8) ) ) {
debug_printf("%s wrong format %u != %u\n", __FUNCTION__, f1, f2);
return NULL;
}
}
tex = CALLOC_STRUCT(svga_texture);
if (!tex)
return NULL;
tex->base = *base;
if (format == 1)
tex->base.format = PIPE_FORMAT_B8G8R8X8_UNORM;
else if (format == 2)
tex->base.format = PIPE_FORMAT_B8G8R8A8_UNORM;
pipe_reference_init(&tex->base.reference, 1);
tex->base.screen = screen;
SVGA_DBG(DEBUG_DMA, "wrap surface sid %p\n", srf);
tex->key.cachable = 0;
tex->handle = srf;
return &tex->base;
}
static boolean
svga_screen_texture_get_handle(struct pipe_screen *screen,
struct pipe_texture *texture,
struct winsys_handle *whandle)
{
struct svga_winsys_screen *sws = svga_winsys_screen(texture->screen);
unsigned stride;
assert(svga_texture(texture)->key.cachable == 0);
svga_texture(texture)->key.cachable = 0;
stride = util_format_get_nblocksx(texture->format, texture->width0) *
util_format_get_blocksize(texture->format);
return sws->surface_get_handle(sws, svga_texture(texture)->handle, stride, whandle);
}
static void
svga_texture_destroy(struct pipe_texture *pt)
{
struct svga_screen *ss = svga_screen(pt->screen);
struct svga_texture *tex = (struct svga_texture *)pt;
ss->texture_timestamp++;
svga_sampler_view_reference(&tex->cached_view, NULL);
/*
DBG("%s deleting %p\n", __FUNCTION__, (void *) tex);
*/
SVGA_DBG(DEBUG_DMA, "unref sid %p (texture)\n", tex->handle);
svga_screen_surface_destroy(ss, &tex->key, &tex->handle);
FREE(tex);
}
static void
svga_texture_copy_handle(struct svga_context *svga,
struct svga_screen *ss,
struct svga_winsys_surface *src_handle,
unsigned src_x, unsigned src_y, unsigned src_z,
unsigned src_level, unsigned src_face,
struct svga_winsys_surface *dst_handle,
unsigned dst_x, unsigned dst_y, unsigned dst_z,
unsigned dst_level, unsigned dst_face,
unsigned width, unsigned height, unsigned depth)
{
struct svga_surface dst, src;
enum pipe_error ret;
SVGA3dCopyBox box, *boxes;
assert(svga || ss);
src.handle = src_handle;
src.real_level = src_level;
src.real_face = src_face;
src.real_zslice = 0;
dst.handle = dst_handle;
dst.real_level = dst_level;
dst.real_face = dst_face;
dst.real_zslice = 0;
box.x = dst_x;
box.y = dst_y;
box.z = dst_z;
box.w = width;
box.h = height;
box.d = depth;
box.srcx = src_x;
box.srcy = src_y;
box.srcz = src_z;
/*
SVGA_DBG(DEBUG_VIEWS, "mipcopy src: %p %u (%ux%ux%u), dst: %p %u (%ux%ux%u)\n",
src_handle, src_level, src_x, src_y, src_z,
dst_handle, dst_level, dst_x, dst_y, dst_z);
*/
if (svga) {
ret = SVGA3D_BeginSurfaceCopy(svga->swc,
&src.base,
&dst.base,
&boxes, 1);
if(ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_BeginSurfaceCopy(svga->swc,
&src.base,
&dst.base,
&boxes, 1);
assert(ret == PIPE_OK);
}
*boxes = box;
SVGA_FIFOCommitAll(svga->swc);
} else {
pipe_mutex_lock(ss->swc_mutex);
ret = SVGA3D_BeginSurfaceCopy(ss->swc,
&src.base,
&dst.base,
&boxes, 1);
if(ret != PIPE_OK) {
ss->swc->flush(ss->swc, NULL);
ret = SVGA3D_BeginSurfaceCopy(ss->swc,
&src.base,
&dst.base,
&boxes, 1);
assert(ret == PIPE_OK);
}
*boxes = box;
SVGA_FIFOCommitAll(ss->swc);
pipe_mutex_unlock(ss->swc_mutex);
}
}
static struct svga_winsys_surface *
svga_texture_view_surface(struct pipe_context *pipe,
struct svga_texture *tex,
SVGA3dSurfaceFormat format,
unsigned start_mip,
unsigned num_mip,
int face_pick,
int zslice_pick,
struct svga_host_surface_cache_key *key) /* OUT */
{
struct svga_screen *ss = svga_screen(tex->base.screen);
struct svga_winsys_surface *handle;
uint32_t i, j;
unsigned z_offset = 0;
SVGA_DBG(DEBUG_PERF,
"svga: Create surface view: face %d zslice %d mips %d..%d\n",
face_pick, zslice_pick, start_mip, start_mip+num_mip-1);
key->flags = 0;
key->format = format;
key->numMipLevels = num_mip;
key->size.width = u_minify(tex->base.width0, start_mip);
key->size.height = u_minify(tex->base.height0, start_mip);
key->size.depth = zslice_pick < 0 ? u_minify(tex->base.depth0, start_mip) : 1;
key->cachable = 1;
assert(key->size.depth == 1);
if(tex->base.target == PIPE_TEXTURE_CUBE && face_pick < 0) {
key->flags |= SVGA3D_SURFACE_CUBEMAP;
key->numFaces = 6;
} else {
key->numFaces = 1;
}
if(key->format == SVGA3D_FORMAT_INVALID) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, "surface_create for texture view\n");
handle = svga_screen_surface_create(ss, key);
if (!handle) {
key->cachable = 0;
return NULL;
}
SVGA_DBG(DEBUG_DMA, " --> got sid %p (texture view)\n", handle);
if (face_pick < 0)
face_pick = 0;
if (zslice_pick >= 0)
z_offset = zslice_pick;
for (i = 0; i < key->numMipLevels; i++) {
for (j = 0; j < key->numFaces; j++) {
if(tex->defined[j + face_pick][i + start_mip]) {
unsigned depth = (zslice_pick < 0 ?
u_minify(tex->base.depth0, i + start_mip) :
1);
svga_texture_copy_handle(svga_context(pipe),
ss,
tex->handle,
0, 0, z_offset,
i + start_mip,
j + face_pick,
handle, 0, 0, 0, i, j,
u_minify(tex->base.width0, i + start_mip),
u_minify(tex->base.height0, i + start_mip),
depth);
}
}
}
return handle;
}
static struct pipe_surface *
svga_get_tex_surface(struct pipe_screen *screen,
struct pipe_texture *pt,
unsigned face, unsigned level, unsigned zslice,
unsigned flags)
{
struct svga_texture *tex = svga_texture(pt);
struct svga_surface *s;
boolean render = flags & PIPE_BUFFER_USAGE_GPU_WRITE ? TRUE : FALSE;
boolean view = FALSE;
SVGA3dSurfaceFormat format;
s = CALLOC_STRUCT(svga_surface);
if (!s)
return NULL;
pipe_reference_init(&s->base.reference, 1);
pipe_texture_reference(&s->base.texture, pt);
s->base.format = pt->format;
s->base.width = u_minify(pt->width0, level);
s->base.height = u_minify(pt->height0, level);
s->base.usage = flags;
s->base.level = level;
s->base.face = face;
s->base.zslice = zslice;
if (!render)
format = svga_translate_format(pt->format);
else
format = svga_translate_format_render(pt->format);
assert(format != SVGA3D_FORMAT_INVALID);
assert(!(flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE));
if (svga_screen(screen)->debug.force_surface_view)
view = TRUE;
/* Currently only used for compressed textures */
if (render &&
format != svga_translate_format(pt->format)) {
view = TRUE;
}
if (level != 0 &&
svga_screen(screen)->debug.force_level_surface_view)
view = TRUE;
if (pt->target == PIPE_TEXTURE_3D)
view = TRUE;
if (svga_screen(screen)->debug.no_surface_view)
view = FALSE;
if (view) {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: yes %p, level %u face %u z %u, %p\n",
pt, level, face, zslice, s);
s->handle = svga_texture_view_surface(NULL, tex, format, level, 1, face, zslice,
&s->key);
s->real_face = 0;
s->real_level = 0;
s->real_zslice = 0;
} else {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface view: no %p, level %u, face %u, z %u, %p\n",
pt, level, face, zslice, s);
memset(&s->key, 0, sizeof s->key);
s->handle = tex->handle;
s->real_face = face;
s->real_level = level;
s->real_zslice = zslice;
}
return &s->base;
}
static void
svga_tex_surface_destroy(struct pipe_surface *surf)
{
struct svga_surface *s = svga_surface(surf);
struct svga_texture *t = svga_texture(surf->texture);
struct svga_screen *ss = svga_screen(surf->texture->screen);
if(s->handle != t->handle) {
SVGA_DBG(DEBUG_DMA, "unref sid %p (tex surface)\n", s->handle);
svga_screen_surface_destroy(ss, &s->key, &s->handle);
}
pipe_texture_reference(&surf->texture, NULL);
FREE(surf);
}
static INLINE void
svga_mark_surface_dirty(struct pipe_surface *surf)
{
struct svga_surface *s = svga_surface(surf);
if(!s->dirty) {
struct svga_texture *tex = svga_texture(surf->texture);
s->dirty = TRUE;
if (s->handle == tex->handle)
tex->defined[surf->face][surf->level] = TRUE;
else {
/* this will happen later in svga_propagate_surface */
}
}
}
void svga_mark_surfaces_dirty(struct svga_context *svga)
{
unsigned i;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
if (svga->curr.framebuffer.cbufs[i])
svga_mark_surface_dirty(svga->curr.framebuffer.cbufs[i]);
}
if (svga->curr.framebuffer.zsbuf)
svga_mark_surface_dirty(svga->curr.framebuffer.zsbuf);
}
/**
* Progagate any changes from surfaces to texture.
* pipe is optional context to inline the blit command in.
*/
void
svga_propagate_surface(struct pipe_context *pipe, struct pipe_surface *surf)
{
struct svga_surface *s = svga_surface(surf);
struct svga_texture *tex = svga_texture(surf->texture);
struct svga_screen *ss = svga_screen(surf->texture->screen);
if (!s->dirty)
return;
s->dirty = FALSE;
ss->texture_timestamp++;
tex->view_age[surf->level] = ++(tex->age);
if (s->handle != tex->handle) {
SVGA_DBG(DEBUG_VIEWS, "svga: Surface propagate: tex %p, level %u, from %p\n", tex, surf->level, surf);
svga_texture_copy_handle(svga_context(pipe), ss,
s->handle, 0, 0, 0, s->real_level, s->real_face,
tex->handle, 0, 0, surf->zslice, surf->level, surf->face,
u_minify(tex->base.width0, surf->level),
u_minify(tex->base.height0, surf->level), 1);
tex->defined[surf->face][surf->level] = TRUE;
}
}
/**
* Check if we should call svga_propagate_surface on the surface.
*/
extern boolean
svga_surface_needs_propagation(struct pipe_surface *surf)
{
struct svga_surface *s = svga_surface(surf);
struct svga_texture *tex = svga_texture(surf->texture);
return s->dirty && s->handle != tex->handle;
}
/* XXX: Still implementing this as if it was a screen function, but
* can now modify it to queue transfers on the context.
*/
static struct pipe_transfer *
svga_get_tex_transfer(struct pipe_context *pipe,
struct pipe_texture *texture,
unsigned face, unsigned level, unsigned zslice,
enum pipe_transfer_usage usage, unsigned x, unsigned y,
unsigned w, unsigned h)
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_winsys_screen *sws = ss->sws;
struct svga_transfer *st;
unsigned nblocksx = util_format_get_nblocksx(texture->format, w);
unsigned nblocksy = util_format_get_nblocksy(texture->format, h);
/* We can't map texture storage directly */
if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
return NULL;
st = CALLOC_STRUCT(svga_transfer);
if (!st)
return NULL;
st->base.x = x;
st->base.y = y;
st->base.width = w;
st->base.height = h;
st->base.stride = nblocksx*util_format_get_blocksize(texture->format);
st->base.usage = usage;
st->base.face = face;
st->base.level = level;
st->base.zslice = zslice;
st->hw_nblocksy = nblocksy;
st->hwbuf = svga_winsys_buffer_create(ss,
1,
0,
st->hw_nblocksy*st->base.stride);
while(!st->hwbuf && (st->hw_nblocksy /= 2)) {
st->hwbuf = svga_winsys_buffer_create(ss,
1,
0,
st->hw_nblocksy*st->base.stride);
}
if(!st->hwbuf)
goto no_hwbuf;
if(st->hw_nblocksy < nblocksy) {
/* We couldn't allocate a hardware buffer big enough for the transfer,
* so allocate regular malloc memory instead */
debug_printf("%s: failed to allocate %u KB of DMA, splitting into %u x %u KB DMA transfers\n",
__FUNCTION__,
(nblocksy*st->base.stride + 1023)/1024,
(nblocksy + st->hw_nblocksy - 1)/st->hw_nblocksy,
(st->hw_nblocksy*st->base.stride + 1023)/1024);
st->swbuf = MALLOC(nblocksy*st->base.stride);
if(!st->swbuf)
goto no_swbuf;
}
pipe_texture_reference(&st->base.texture, texture);
if (usage & PIPE_TRANSFER_READ)
svga_transfer_dma(st, SVGA3D_READ_HOST_VRAM);
return &st->base;
no_swbuf:
sws->buffer_destroy(sws, st->hwbuf);
no_hwbuf:
FREE(st);
return NULL;
}
/* XXX: Still implementing this as if it was a screen function, but
* can now modify it to queue transfers on the context.
*/
static void *
svga_transfer_map( struct pipe_context *pipe,
struct pipe_transfer *transfer )
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_winsys_screen *sws = ss->sws;
struct svga_transfer *st = svga_transfer(transfer);
if(st->swbuf)
return st->swbuf;
else
/* The wait for read transfers already happened when svga_transfer_dma
* was called. */
return sws->buffer_map(sws, st->hwbuf,
pipe_transfer_buffer_flags(transfer));
}
/* XXX: Still implementing this as if it was a screen function, but
* can now modify it to queue transfers on the context.
*/
static void
svga_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_winsys_screen *sws = ss->sws;
struct svga_transfer *st = svga_transfer(transfer);
if(!st->swbuf)
sws->buffer_unmap(sws, st->hwbuf);
}
static void
svga_tex_transfer_destroy(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
struct svga_texture *tex = svga_texture(transfer->texture);
struct svga_screen *ss = svga_screen(pipe->screen);
struct svga_winsys_screen *sws = ss->sws;
struct svga_transfer *st = svga_transfer(transfer);
if (st->base.usage & PIPE_TRANSFER_WRITE) {
svga_transfer_dma(st, SVGA3D_WRITE_HOST_VRAM);
ss->texture_timestamp++;
tex->view_age[transfer->level] = ++(tex->age);
tex->defined[transfer->face][transfer->level] = TRUE;
}
pipe_texture_reference(&st->base.texture, NULL);
FREE(st->swbuf);
sws->buffer_destroy(sws, st->hwbuf);
FREE(st);
}
void
svga_init_texture_functions(struct pipe_context *pipe)
{
pipe->get_tex_transfer = svga_get_tex_transfer;
pipe->transfer_map = svga_transfer_map;
pipe->transfer_unmap = svga_transfer_unmap;
pipe->tex_transfer_destroy = svga_tex_transfer_destroy;
}
void
svga_screen_init_texture_functions(struct pipe_screen *screen)
{
screen->texture_create = svga_texture_create;
screen->texture_from_handle = svga_screen_texture_from_handle;
screen->texture_get_handle = svga_screen_texture_get_handle;
screen->texture_destroy = svga_texture_destroy;
screen->get_tex_surface = svga_get_tex_surface;
screen->tex_surface_destroy = svga_tex_surface_destroy;
}
/***********************************************************************
*/
struct svga_sampler_view *
svga_get_tex_sampler_view(struct pipe_context *pipe, struct pipe_texture *pt,
unsigned min_lod, unsigned max_lod)
{
struct svga_screen *ss = svga_screen(pt->screen);
struct svga_texture *tex = svga_texture(pt);
struct svga_sampler_view *sv = NULL;
SVGA3dSurfaceFormat format = svga_translate_format(pt->format);
boolean view = TRUE;
assert(pt);
assert(min_lod >= 0);
assert(min_lod <= max_lod);
assert(max_lod <= pt->last_level);
/* Is a view needed */
{
/*
* Can't control max lod. For first level views and when we only
* look at one level we disable mip filtering to achive the same
* results as a view.
*/
if (min_lod == 0 && max_lod >= pt->last_level)
view = FALSE;
if (util_format_is_compressed(pt->format) && view) {
format = svga_translate_format_render(pt->format);
}
if (ss->debug.no_sampler_view)
view = FALSE;
if (ss->debug.force_sampler_view)
view = TRUE;
}
/* First try the cache */
if (view) {
pipe_mutex_lock(ss->tex_mutex);
if (tex->cached_view &&
tex->cached_view->min_lod == min_lod &&
tex->cached_view->max_lod == max_lod) {
svga_sampler_view_reference(&sv, tex->cached_view);
pipe_mutex_unlock(ss->tex_mutex);
SVGA_DBG(DEBUG_VIEWS, "svga: Sampler view: reuse %p, %u %u, last %u\n",
pt, min_lod, max_lod, pt->last_level);
svga_validate_sampler_view(svga_context(pipe), sv);
return sv;
}
pipe_mutex_unlock(ss->tex_mutex);
}
sv = CALLOC_STRUCT(svga_sampler_view);
pipe_reference_init(&sv->reference, 1);
pipe_texture_reference(&sv->texture, pt);
sv->min_lod = min_lod;
sv->max_lod = max_lod;
/* No view needed just use the whole texture */
if (!view) {
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: no %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->key.cachable = 0;
sv->handle = tex->handle;
return sv;
}
SVGA_DBG(DEBUG_VIEWS,
"svga: Sampler view: yes %p, mips %u..%u, nr %u, size (%ux%ux%u), last %u\n",
pt, min_lod, max_lod,
max_lod - min_lod + 1,
pt->width0,
pt->height0,
pt->depth0,
pt->last_level);
sv->age = tex->age;
sv->handle = svga_texture_view_surface(pipe, tex, format,
min_lod,
max_lod - min_lod + 1,
-1, -1,
&sv->key);
if (!sv->handle) {
assert(0);
sv->key.cachable = 0;
sv->handle = tex->handle;
return sv;
}
pipe_mutex_lock(ss->tex_mutex);
svga_sampler_view_reference(&tex->cached_view, sv);
pipe_mutex_unlock(ss->tex_mutex);
return sv;
}
void
svga_validate_sampler_view(struct svga_context *svga, struct svga_sampler_view *v)
{
struct svga_texture *tex = svga_texture(v->texture);
unsigned numFaces;
unsigned age = 0;
int i, k;
assert(svga);
if (v->handle == tex->handle)
return;
age = tex->age;
if(tex->base.target == PIPE_TEXTURE_CUBE)
numFaces = 6;
else
numFaces = 1;
for (i = v->min_lod; i <= v->max_lod; i++) {
for (k = 0; k < numFaces; k++) {
if (v->age < tex->view_age[i])
svga_texture_copy_handle(svga, NULL,
tex->handle, 0, 0, 0, i, k,
v->handle, 0, 0, 0, i - v->min_lod, k,
u_minify(tex->base.width0, i),
u_minify(tex->base.height0, i),
u_minify(tex->base.depth0, i));
}
}
v->age = age;
}
void
svga_destroy_sampler_view_priv(struct svga_sampler_view *v)
{
struct svga_texture *tex = svga_texture(v->texture);
if(v->handle != tex->handle) {
struct svga_screen *ss = svga_screen(v->texture->screen);
SVGA_DBG(DEBUG_DMA, "unref sid %p (sampler view)\n", v->handle);
svga_screen_surface_destroy(ss, &v->key, &v->handle);
}
pipe_texture_reference(&v->texture, NULL);
FREE(v);
}
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