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|
/**********************************************************
* Copyright 2008-2017 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_context.h"
#include "svga_debug.h"
#include "svga_cmd.h"
#include "svga_format.h"
#include "svga_resource_buffer.h"
#include "svga_resource_texture.h"
#include "svga_surface.h"
//#include "util/u_blit_sw.h"
#include "util/u_format.h"
#include "util/u_surface.h"
#define FILE_DEBUG_FLAG DEBUG_BLIT
/**
* Build a struct pipe_blit_info object from the arguments used by the
* pipe::resource_copy_region() function.
*/
static void
build_blit_info(struct pipe_resource *dst_tex,
unsigned dst_level,
unsigned dst_x,
unsigned dst_y,
unsigned dst_z,
struct pipe_resource *src_tex,
unsigned src_level,
const struct pipe_box *src_box,
struct pipe_blit_info *blit)
{
memset(blit, 0, sizeof(*blit));
blit->src.format = src_tex->format;
blit->dst.format = dst_tex->format;
blit->mask = util_format_get_mask(blit->dst.format);
blit->filter = PIPE_TEX_FILTER_NEAREST;
blit->src.resource = src_tex;
blit->src.level = src_level;
blit->dst.resource = dst_tex;
blit->dst.level = dst_level;
blit->src.box = *src_box;
u_box_3d(dst_x, dst_y, dst_z, src_box->width, src_box->height,
src_box->depth, &blit->dst.box);
}
/**
* Copy when src texture and dst texture are same with IntraSurfaceCopy
* command.
*/
static void
intra_surface_copy(struct svga_context *svga, struct pipe_resource *tex,
unsigned src_x, unsigned src_y, unsigned src_z,
unsigned level, unsigned layer_face,
unsigned dst_x, unsigned dst_y, unsigned dst_z,
unsigned width, unsigned height, unsigned depth)
{
enum pipe_error ret;
SVGA3dCopyBox box;
struct svga_texture *stex;
/*
* Makes sure we have flushed all buffered draw operations and also
* synchronizes all surfaces with any emulated surface views.
*/
svga_surfaces_flush(svga);
stex = svga_texture(tex);
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;
ret = SVGA3D_vgpu10_IntraSurfaceCopy(svga->swc,
stex->handle, level, layer_face, &box);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_IntraSurfaceCopy(svga->swc,
stex->handle, level, layer_face, &box);
assert(ret == PIPE_OK);
}
/* Mark the texture subresource as rendered-to. */
svga_set_texture_rendered_to(stex, layer_face, level);
}
/**
* Copy an image between textures with the vgpu10 CopyRegion command.
*/
static void
copy_region_vgpu10(struct svga_context *svga, struct pipe_resource *src_tex,
unsigned src_x, unsigned src_y, unsigned src_z,
unsigned src_level, unsigned src_layer_face,
struct pipe_resource *dst_tex,
unsigned dst_x, unsigned dst_y, unsigned dst_z,
unsigned dst_level, unsigned dst_layer_face,
unsigned width, unsigned height, unsigned depth)
{
uint32 srcSubResource, dstSubResource;
struct svga_texture *dtex, *stex;
stex = svga_texture(src_tex);
dtex = svga_texture(dst_tex);
svga_surfaces_flush(svga);
srcSubResource = src_layer_face * (src_tex->last_level + 1) + src_level;
dstSubResource = dst_layer_face * (dst_tex->last_level + 1) + dst_level;
svga_texture_copy_region(svga, stex->handle, srcSubResource,
src_x, src_y, src_z,
dtex->handle, dstSubResource,
dst_x, dst_y, dst_z,
width, height, depth);
/* Mark the texture subresource as defined. */
svga_define_texture_level(dtex, dst_layer_face, dst_level);
/* Mark the texture subresource as rendered-to. */
svga_set_texture_rendered_to(dtex, dst_layer_face, dst_level);
}
/**
* Fallback to the copy region utility which uses map/memcpy for the copy
*/
static void
copy_region_fallback(struct svga_context *svga,
struct pipe_resource *dst_tex, unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src_tex, unsigned src_level,
const struct pipe_box *src_box)
{
struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws;
SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_COPYREGIONFALLBACK);
util_resource_copy_region(&svga->pipe, dst_tex, dst_level, dstx,
dsty, dstz, src_tex, src_level, src_box);
SVGA_STATS_TIME_POP(sws);
(void) sws;
}
/**
* Whether the layer_face index is given by the Z coordinate.
*/
static bool
has_layer_face_index_in_z(enum pipe_texture_target target)
{
if (target == PIPE_TEXTURE_CUBE ||
target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_CUBE_ARRAY)
return true;
else
return false;
}
/**
* For some texture types, we need to move the z (slice) coordinate
* to the layer value. For example, to select the z=3 slice of a 2D ARRAY
* texture, we need to use layer=3 and set z=0.
*/
static void
adjust_z_layer(enum pipe_texture_target target,
int z_in, unsigned *layer_out, unsigned *z_out)
{
if (target == PIPE_TEXTURE_CUBE ||
target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_CUBE_ARRAY) {
*layer_out = z_in;
*z_out = 0;
}
else {
*layer_out = 0;
*z_out = z_in;
}
}
/**
* Are the given SVGA3D formats compatible, in terms of vgpu10's
* PredCopyRegion() command?
*/
static bool
formats_compatible(const struct svga_screen *ss,
SVGA3dSurfaceFormat src_svga_fmt,
SVGA3dSurfaceFormat dst_svga_fmt)
{
src_svga_fmt = svga_typeless_format(src_svga_fmt);
dst_svga_fmt = svga_typeless_format(dst_svga_fmt);
return src_svga_fmt == dst_svga_fmt;
}
/**
* Check whether the blending is enabled or not
*/
static bool
is_blending_enabled(struct svga_context *svga,
const struct pipe_blit_info *blit)
{
bool blend_enable = false;
int i;
if (svga->curr.blend) {
if (svga->curr.blend->independent_blend_enable) {
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
struct pipe_surface *cbuf = svga->curr.framebuffer.cbufs[i];
if (cbuf && (cbuf->texture == blit->dst.resource)) {
if (svga->curr.blend->rt[i].blend_enable) {
blend_enable = true;
}
break;
}
}
}
else {
if (svga->curr.blend->rt[0].blend_enable)
blend_enable = true;
}
}
return blend_enable;
}
/**
* If GL_FRAMEBUFFER_SRGB is enabled, then output colorspace is
* expected to be sRGB if blending is not enabled.
* If GL_FRAMEBUFFER_SRGB is disabled, then we can use
* copy_region_vgpu10()
* Following table basically tells when copy_region_vgpu10 can be
* used if GL_FRAMEBUFFER_SRGB is enabled.
* ______________________________________________________________
* | src fmt | dst_fmt | blending |Can use |
* | | | |copy_region |
* ______________________________________________________________
* | linear | linear | N | Y |
* | linear | linear | Y | Y |
* | linear | sRGB | N | N |
* | linear | sRGB | Y | Y |
* | sRGB | linear | N | N |
* | sRGB | linear | Y | N |
* | sRGB | sRGB | N | Y |
* | sRGB | sRGB | Y | N |
* ______________________________________________________________
*
*/
static bool
check_blending_and_srgb_cond(struct svga_context *svga,
const struct pipe_blit_info *blit)
{
enum pipe_format sFmt = blit->src.format;
enum pipe_format dFmt = blit->dst.format;
if (is_blending_enabled(svga, blit)) {
if (!util_format_is_srgb(blit->src.format))
return true;
}
else {
if (util_format_is_srgb(sFmt) && util_format_is_srgb(dFmt))
return true;
else if (!util_format_is_srgb(sFmt)){
if (!util_format_is_srgb(dFmt))
return true;
else {
/**
* State tracker converts all sRGB src blit format
* to linear if GL_FRAMEBUFFER_SRGB is disabled.
* So if src resource format is sRGB and
* blit format is linear then it means,
* GL_FRAMEBUFFER_SRGB is disabled. In this case also
* we can use copy_region_vgpu10().
*/
if (util_format_is_srgb(blit->src.resource->format))
return true;
}
}
}
return false;
}
/**
* Do common checks for svga surface copy.
*/
static bool
can_blit_via_svga_copy_region(struct svga_context *svga,
const struct pipe_blit_info *blit_info)
{
struct pipe_blit_info local_blit = *blit_info;
/* First basic checks to catch incompatibilities in new or locally unchecked
* struct pipe_blit_info members but bypass the format check here.
* Also since util_can_blit_via_copy_region() requires a dimension match,
* PIPE_FILTER_LINEAR should be equal to PIPE_FILTER_NEAREST.
*/
local_blit.dst.format = local_blit.src.format;
if (local_blit.filter == PIPE_TEX_FILTER_LINEAR)
local_blit.filter = PIPE_TEX_FILTER_NEAREST;
if (!util_can_blit_via_copy_region(&local_blit, TRUE))
return false;
/* For depth+stencil formats, copy with mask != PIPE_MASK_ZS is not
* supported
*/
if (util_format_is_depth_and_stencil(blit_info->src.format) &&
blit_info->mask != (PIPE_MASK_ZS))
return false;
return check_blending_and_srgb_cond(svga, blit_info);
}
/**
* Check whether we can blit using the intra_surface_copy command.
*/
static bool
can_blit_via_intra_surface_copy(struct svga_context *svga,
const struct pipe_blit_info *blit_info)
{
struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws;
struct svga_texture *dtex, *stex;
if (!svga_have_vgpu10(svga))
return false;
/* src surface cannot be multisample */
if (blit_info->src.resource->nr_samples > 1)
return false;
if (!sws->have_intra_surface_copy)
return false;
if (svga->render_condition && blit_info->render_condition_enable)
return false;
if (blit_info->src.level != blit_info->dst.level)
return false;
if (has_layer_face_index_in_z(blit_info->src.resource->target)){
if (blit_info->src.box.z != blit_info->dst.box.z)
return false;
}
stex = svga_texture(blit_info->src.resource);
dtex = svga_texture(blit_info->dst.resource);
return (stex->handle == dtex->handle);
}
/**
* The state tracker implements some resource copies with blits (for
* GL_ARB_copy_image). This function checks if we should really do the blit
* with a VGPU10 CopyRegion command or software fallback (for incompatible
* src/dst formats).
*/
static bool
can_blit_via_copy_region_vgpu10(struct svga_context *svga,
const struct pipe_blit_info *blit_info)
{
struct svga_texture *dtex, *stex;
/* can't copy between different resource types */
if (svga_resource_type(blit_info->src.resource->target) !=
svga_resource_type(blit_info->dst.resource->target))
return false;
stex = svga_texture(blit_info->src.resource);
dtex = svga_texture(blit_info->dst.resource);
if (!svga_have_vgpu10(svga))
return false;
if (stex->handle == dtex->handle)
return false;
return formats_compatible(svga_screen(svga->pipe.screen),
stex->key.format,
dtex->key.format);
}
/**
* Check whether we can blit using the surface_copy command.
*/
static bool
can_blit_via_surface_copy(struct svga_context *svga,
const struct pipe_blit_info *blit_info)
{
struct svga_texture *dtex, *stex;
/* Mimic the format tests in util_can_blit_via_copy_region(), but
* skip the other tests that have already been performed.
*/
if (blit_info->src.format != blit_info->dst.format) {
const struct util_format_description *src_desc, *dst_desc;
src_desc = util_format_description(blit_info->src.resource->format);
dst_desc = util_format_description(blit_info->dst.resource->format);
if (blit_info->src.resource->format != blit_info->src.format ||
blit_info->dst.resource->format != blit_info->dst.format ||
!util_is_format_compatible(src_desc, dst_desc))
return false;
}
if (svga->render_condition && blit_info->render_condition_enable)
return false;
/* can't copy between different resource types */
if (svga_resource_type(blit_info->src.resource->target) !=
svga_resource_type(blit_info->dst.resource->target))
return false;
stex = svga_texture(blit_info->src.resource);
dtex = svga_texture(blit_info->dst.resource);
if (stex->handle == dtex->handle)
return false;
/*
* This is what we've been using before, but it can probably be
* relaxed. The device checks are less stringent.
*/
return (stex->b.b.format == dtex->b.b.format);
}
/**
* Try region copy using one of the region copy commands
*/
static bool
try_copy_region(struct svga_context *svga,
const struct pipe_blit_info *blit)
{
unsigned src_layer_face, src_z, dst_layer_face, dst_z;
if (!can_blit_via_svga_copy_region(svga, blit))
return false;
adjust_z_layer(blit->src.resource->target, blit->src.box.z,
&src_layer_face, &src_z);
adjust_z_layer(blit->dst.resource->target, blit->dst.box.z,
&dst_layer_face, &dst_z);
if (can_blit_via_copy_region_vgpu10(svga, blit)) {
svga_toggle_render_condition(svga, blit->render_condition_enable, FALSE);
copy_region_vgpu10(svga,
blit->src.resource,
blit->src.box.x, blit->src.box.y, src_z,
blit->src.level, src_layer_face,
blit->dst.resource,
blit->dst.box.x, blit->dst.box.y, dst_z,
blit->dst.level, dst_layer_face,
blit->src.box.width, blit->src.box.height,
blit->src.box.depth);
svga_toggle_render_condition(svga, blit->render_condition_enable, TRUE);
return true;
}
if (can_blit_via_surface_copy(svga, blit)) {
struct svga_texture *stex = svga_texture(blit->src.resource);
struct svga_texture *dtex = svga_texture(blit->dst.resource);
svga_surfaces_flush(svga);
svga_texture_copy_handle(svga,
stex->handle,
blit->src.box.x, blit->src.box.y, src_z,
blit->src.level, src_layer_face,
dtex->handle,
blit->dst.box.x, blit->dst.box.y, dst_z,
blit->dst.level, dst_layer_face,
blit->src.box.width, blit->src.box.height,
blit->src.box.depth);
svga_define_texture_level(dtex, dst_layer_face, blit->dst.level);
svga_set_texture_rendered_to(dtex, dst_layer_face, blit->dst.level);
return true;
}
if (can_blit_via_intra_surface_copy(svga, blit)) {
intra_surface_copy(svga,
blit->src.resource,
blit->src.box.x, blit->src.box.y, src_z,
blit->src.level, src_layer_face,
blit->dst.box.x, blit->dst.box.y, dst_z,
blit->src.box.width, blit->src.box.height,
blit->src.box.depth);
return true;
}
return false;
}
/**
* A helper function to determine if the specified view format
* is compatible with the surface format.
* It is compatible if the view format is the same as the surface format,
* or the associated svga format for the surface is a typeless format, or
* the view format is an adjusted format for BGRX/BGRA resource.
*/
static bool
is_view_format_compatible(enum pipe_format surf_fmt,
SVGA3dSurfaceFormat surf_svga_fmt,
enum pipe_format view_fmt)
{
if (surf_fmt == view_fmt || svga_format_is_typeless(surf_svga_fmt))
return true;
if ((surf_fmt == PIPE_FORMAT_B8G8R8X8_UNORM &&
view_fmt == PIPE_FORMAT_B8G8R8A8_UNORM) ||
(surf_fmt == PIPE_FORMAT_B8G8R8A8_UNORM &&
view_fmt == PIPE_FORMAT_B8G8R8X8_UNORM))
return true;
return false;
}
/**
* Try issuing a quad blit.
*/
static bool
try_blit(struct svga_context *svga, const struct pipe_blit_info *blit_info)
{
struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws;
struct pipe_resource *src = blit_info->src.resource;
struct pipe_resource *dst = blit_info->dst.resource;
struct pipe_resource *newSrc = NULL;
struct pipe_resource *newDst = NULL;
bool can_create_src_view;
bool can_create_dst_view;
bool ret = true;
struct pipe_blit_info blit = *blit_info;
SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_BLITBLITTER);
/**
* Avoid using util_blitter_blit() for these depth formats on non-vgpu10
* devices because these depth formats only support comparison mode
* and not ordinary sampling.
*/
if (!svga_have_vgpu10(svga) && (blit.mask & PIPE_MASK_Z) &&
(svga_texture(dst)->key.format == SVGA3D_Z_D16 ||
svga_texture(dst)->key.format == SVGA3D_Z_D24X8 ||
svga_texture(dst)->key.format == SVGA3D_Z_D24S8)) {
ret = false;
goto done;
}
/**
* If format is srgb and blend is enabled then color values need
* to be converted into linear format.
*/
if (is_blending_enabled(svga, &blit)) {
blit.src.format = util_format_linear(blit.src.format);
blit.dst.format = util_format_linear(blit.dst.format);
}
/* Check if we can create shader resource view and
* render target view for the quad blitter to work
*/
can_create_src_view =
is_view_format_compatible(src->format, svga_texture(src)->key.format,
blit.src.format);
can_create_dst_view =
is_view_format_compatible(dst->format, svga_texture(dst)->key.format,
blit.dst.format);
if ((blit.mask & PIPE_MASK_S) ||
((!can_create_dst_view || !can_create_src_view)
&& !svga_have_vgpu10(svga))) {
/* Can't do stencil blits with textured quad blitter */
debug_warn_once("using software stencil blit");
ret = false;
goto done;
}
if (!util_blitter_is_blit_supported(svga->blitter, &blit)) {
debug_printf("svga: blit unsupported %s -> %s\n",
util_format_short_name(blit.src.resource->format),
util_format_short_name(blit.dst.resource->format));
ret = false;
goto done;
}
/* XXX turn off occlusion and streamout queries */
util_blitter_save_vertex_buffer_slot(svga->blitter, svga->curr.vb);
util_blitter_save_vertex_elements(svga->blitter, (void*)svga->curr.velems);
util_blitter_save_vertex_shader(svga->blitter, svga->curr.vs);
util_blitter_save_geometry_shader(svga->blitter, svga->curr.user_gs);
util_blitter_save_so_targets(svga->blitter, svga->num_so_targets,
(struct pipe_stream_output_target**)svga->so_targets);
util_blitter_save_rasterizer(svga->blitter, (void*)svga->curr.rast);
util_blitter_save_viewport(svga->blitter, &svga->curr.viewport);
util_blitter_save_scissor(svga->blitter, &svga->curr.scissor);
util_blitter_save_fragment_shader(svga->blitter, svga->curr.fs);
util_blitter_save_blend(svga->blitter, (void*)svga->curr.blend);
util_blitter_save_depth_stencil_alpha(svga->blitter,
(void*)svga->curr.depth);
util_blitter_save_stencil_ref(svga->blitter, &svga->curr.stencil_ref);
util_blitter_save_sample_mask(svga->blitter, svga->curr.sample_mask);
util_blitter_save_framebuffer(svga->blitter, &svga->curr.framebuffer);
util_blitter_save_fragment_sampler_states(svga->blitter,
svga->curr.num_samplers[PIPE_SHADER_FRAGMENT],
(void**)svga->curr.sampler[PIPE_SHADER_FRAGMENT]);
util_blitter_save_fragment_sampler_views(svga->blitter,
svga->curr.num_sampler_views[PIPE_SHADER_FRAGMENT],
svga->curr.sampler_views[PIPE_SHADER_FRAGMENT]);
if (!can_create_src_view) {
struct pipe_resource template;
struct pipe_blit_info copy_region_blit;
/**
* If the source blit format is not compatible with the source resource
* format, we will not be able to create a shader resource view.
* In order to avoid falling back to software blit, we'll create
* a new resource in the blit format, and use DXCopyResource to
* copy from the original format to the new format. The new
* resource will be used for the blit in util_blitter_blit().
*/
template = *src;
template.format = blit.src.format;
newSrc = svga_texture_create(svga->pipe.screen, &template);
if (newSrc == NULL) {
debug_printf("svga_blit: fails to create temporary src\n");
ret = false;
goto done;
}
/* increment the mksStats for blitter with extra copy */
SVGA_STATS_COUNT_INC(sws, SVGA_STATS_COUNT_BLITBLITTERCOPY);
build_blit_info(newSrc,
blit.src.level, blit.src.box.x,
blit.src.box.y, blit.src.box.z,
blit.src.resource,
blit.src.level, &blit.src.box,
©_region_blit);
if (!try_copy_region(svga, ©_region_blit)) {
debug_printf("svga: Source blit format conversion failed.\n");
ret = false;
goto done;
}
blit.src.resource = newSrc;
}
if (!can_create_dst_view) {
struct pipe_resource template;
/*
* If the destination blit format is not compatible with the destination
* resource format, we will not be able to create a render target view.
* In order to avoid falling back to software blit, we'll create
* a new resource in the blit format, and use DXPredCopyRegion
* after the blit to copy from the blit format back to the resource
* format.
*/
template = *dst;
template.format = blit.dst.format;
newDst = svga_texture_create(svga->pipe.screen, &template);
if (newDst == NULL) {
debug_printf("svga_blit: fails to create temporary dst\n");
ret = false;
goto done;
}
blit.dst.resource = newDst;
}
svga_toggle_render_condition(svga, blit.render_condition_enable, FALSE);
util_blitter_blit(svga->blitter, &blit);
svga_toggle_render_condition(svga, blit.render_condition_enable, TRUE);
if (blit.dst.resource != dst) {
struct pipe_blit_info copy_region_blit;
/* increment the mksStats for blitter with extra copy */
SVGA_STATS_COUNT_INC(sws, SVGA_STATS_COUNT_BLITBLITTERCOPY);
/*
* A temporary resource was created for the blit, we need to
* copy from the temporary resource back to the original destination.
*/
build_blit_info(dst,
blit.dst.level, blit.dst.box.x,
blit.dst.box.y, blit.dst.box.z,
newDst,
blit.dst.level, &blit.dst.box,
©_region_blit);
if (!try_copy_region(svga, ©_region_blit)) {
debug_printf("svga: Destination blit format conversion failed.\n");
ret = false;
goto done;
}
}
done:
/* unreference the temporary resources if needed */
pipe_resource_reference(&newDst, NULL);
pipe_resource_reference(&newSrc, NULL);
SVGA_STATS_TIME_POP(sws); /* SVGA_STATS_TIME_BLITBLITTER */
(void) sws;
return ret;
}
/**
* Try a cpu copy_region fallback.
*/
static bool
try_cpu_copy_region(struct svga_context *svga,
const struct pipe_blit_info *blit)
{
if (util_can_blit_via_copy_region(blit, TRUE) ||
util_can_blit_via_copy_region(blit, FALSE)) {
if (svga->render_condition && blit->render_condition_enable) {
debug_warning("CPU copy_region doesn't support "
"conditional rendering.\n");
return false;
}
copy_region_fallback(svga, blit->dst.resource,
blit->dst.level,
blit->dst.box.x, blit->dst.box.y,
blit->dst.box.z, blit->src.resource,
blit->src.level, &blit->src.box);
return true;
}
return false;
}
/**
* The pipe::blit member.
*/
static void
svga_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit)
{
struct svga_context *svga = svga_context(pipe);
struct svga_winsys_screen *sws = svga_screen(pipe->screen)->sws;
if (!svga_have_vgpu10(svga) &&
blit->src.resource->nr_samples > 1 &&
blit->dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(blit->src.resource->format) &&
!util_format_is_pure_integer(blit->src.resource->format)) {
debug_printf("svga: color resolve unimplemented\n");
return;
}
SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_BLIT);
if (try_copy_region(svga, blit))
goto done;
if (try_blit(svga, blit))
goto done;
if (!try_cpu_copy_region(svga, blit))
debug_printf("svga: Blit failed.\n");
done:
SVGA_STATS_TIME_POP(sws); /* SVGA_STATS_TIME_BLIT */
(void) sws;
}
/**
* The pipe::resource_copy_region member.
*/
static void
svga_resource_copy_region(struct pipe_context *pipe,
struct pipe_resource *dst_tex,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src_tex,
unsigned src_level,
const struct pipe_box *src_box)
{
struct svga_context *svga = svga_context(pipe);
struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws;
SVGA_STATS_TIME_PUSH(sws, SVGA_STATS_TIME_COPYREGION);
if (dst_tex->target == PIPE_BUFFER && src_tex->target == PIPE_BUFFER) {
/* can't copy within the same buffer, unfortunately */
if (svga_have_vgpu10(svga) && src_tex != dst_tex) {
enum pipe_error ret;
struct svga_winsys_surface *src_surf;
struct svga_winsys_surface *dst_surf;
struct svga_buffer *dbuffer = svga_buffer(dst_tex);
struct svga_buffer *sbuffer = svga_buffer(src_tex);
src_surf = svga_buffer_handle(svga, src_tex, sbuffer->bind_flags);
dst_surf = svga_buffer_handle(svga, dst_tex, dbuffer->bind_flags);
ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
src_box->x, dstx, src_box->width);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_BufferCopy(svga->swc, src_surf, dst_surf,
src_box->x, dstx, src_box->width);
assert(ret == PIPE_OK);
}
dbuffer->dirty = TRUE;
}
else {
/* use map/memcpy fallback */
copy_region_fallback(svga, dst_tex, dst_level, dstx,
dsty, dstz, src_tex, src_level, src_box);
}
} else {
struct pipe_blit_info blit;
build_blit_info(dst_tex, dst_level, dstx, dsty, dstz,
src_tex, src_level, src_box, &blit);
if (try_copy_region(svga, &blit))
goto done;
/* Blits are format-converting which is not what we want, so perform a
* strict format-check.
* FIXME: Need to figure out why srgb blits (tf2) and
* 3D blits (piglit) are broken here. Perhaps we set up the
* struct pipe_blit_info incorrectly.
*/
if (src_tex->format == dst_tex->format &&
!util_format_is_srgb(src_tex->format) &&
svga_resource_type(src_tex->target) != SVGA3D_RESOURCE_TEXTURE3D &&
try_blit(svga, &blit))
goto done;
copy_region_fallback(svga, dst_tex, dst_level, dstx, dsty, dstz,
src_tex, src_level, src_box);
}
done:
SVGA_STATS_TIME_POP(sws);
(void) sws;
}
/**
* The pipe::flush_resource member.
*/
static void
svga_flush_resource(struct pipe_context *pipe,
struct pipe_resource *resource)
{
}
/**
* Setup the pipe blit, resource_copy_region and flush_resource members.
*/
void
svga_init_blit_functions(struct svga_context *svga)
{
svga->pipe.resource_copy_region = svga_resource_copy_region;
svga->pipe.blit = svga_blit;
svga->pipe.flush_resource = svga_flush_resource;
}
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