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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_context.h"
#include "svga_debug.h"
#include "svga_cmd.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
/**
* 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_face,
struct pipe_resource *dst_tex,
unsigned dst_x, unsigned dst_y, unsigned dst_z,
unsigned dst_level, unsigned dst_face,
unsigned width, unsigned height, unsigned depth)
{
enum pipe_error ret;
uint32 srcSubResource, dstSubResource;
struct svga_texture *dtex, *stex;
SVGA3dCopyBox box;
int i, num_layers = 1;
stex = svga_texture(src_tex);
dtex = svga_texture(dst_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;
if (src_tex->target == PIPE_TEXTURE_1D_ARRAY ||
src_tex->target == PIPE_TEXTURE_2D_ARRAY) {
/* copy layer by layer */
box.z = 0;
box.d = 1;
box.srcz = 0;
num_layers = depth;
src_face = src_z;
dst_face = dst_z;
}
/* loop over array layers */
for (i = 0; i < num_layers; i++) {
srcSubResource = (src_face + i) * (src_tex->last_level + 1) + src_level;
dstSubResource = (dst_face + i) * (dst_tex->last_level + 1) + dst_level;
ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
dtex->handle, dstSubResource,
stex->handle, srcSubResource, &box);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_PredCopyRegion(svga->swc,
dtex->handle, dstSubResource,
stex->handle, srcSubResource, &box);
assert(ret == PIPE_OK);
}
svga_define_texture_level(dtex, dst_face + i, dst_level);
}
}
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_texture *stex, *dtex;
unsigned dst_face_layer, dst_z, src_face_layer, src_z;
/* Emit buffered drawing commands, and any back copies.
*/
svga_surfaces_flush( svga );
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);
src_surf = svga_buffer_handle(svga, src_tex);
dst_surf = svga_buffer_handle(svga, dst_tex);
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 */
util_resource_copy_region(pipe, dst_tex, dst_level, dstx,
dsty, dstz, src_tex, src_level, src_box);
}
return;
}
stex = svga_texture(src_tex);
dtex = svga_texture(dst_tex);
if (src_tex->target == PIPE_TEXTURE_CUBE ||
src_tex->target == PIPE_TEXTURE_1D_ARRAY) {
src_face_layer = src_box->z;
src_z = 0;
assert(src_box->depth == 1);
}
else {
src_face_layer = 0;
src_z = src_box->z;
}
if (dst_tex->target == PIPE_TEXTURE_CUBE ||
dst_tex->target == PIPE_TEXTURE_1D_ARRAY) {
dst_face_layer = dstz;
dst_z = 0;
assert(src_box->depth == 1);
}
else {
dst_face_layer = 0;
dst_z = dstz;
}
stex = svga_texture(src_tex);
dtex = svga_texture(dst_tex);
if (svga_have_vgpu10(svga)) {
/* vgpu10 */
if (util_format_is_compressed(src_tex->format) ==
util_format_is_compressed(dst_tex->format) &&
!util_format_is_depth_and_stencil(src_tex->format) &&
stex->handle != dtex->handle &&
src_tex->target == dst_tex->target) {
copy_region_vgpu10(svga,
src_tex,
src_box->x, src_box->y, src_z,
src_level, src_face_layer,
dst_tex,
dstx, dsty, dst_z,
dst_level, dst_face_layer,
src_box->width, src_box->height, src_box->depth);
}
else {
util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
src_tex, src_level, src_box);
}
}
else {
/* vgpu9 */
if (src_tex->format == dst_tex->format) {
svga_texture_copy_handle(svga,
stex->handle,
src_box->x, src_box->y, src_z,
src_level, src_face_layer,
dtex->handle,
dstx, dsty, dst_z,
dst_level, dst_face_layer,
src_box->width, src_box->height,
src_box->depth);
}
else {
util_resource_copy_region(pipe, dst_tex, dst_level, dstx, dsty, dstz,
src_tex, src_level, src_box);
}
}
/* Mark the destination image as being defined */
svga_define_texture_level(dtex, dst_face_layer, dst_level);
}
/**
* 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;
if (!svga_have_vgpu10(svga))
return false;
stex = svga_texture(blit_info->src.resource);
dtex = svga_texture(blit_info->src.resource);
// can't copy within one resource
if (stex->handle == dtex->handle)
return false;
// can't copy between different resource types
if (blit_info->src.resource->target != blit_info->dst.resource->target)
return false;
// check that the blit src/dst regions are same size, no flipping, etc.
if (blit_info->src.box.width != blit_info->dst.box.width ||
blit_info->src.box.height != blit_info->dst.box.height)
return false;
// depth/stencil copies not supported at this time
if (blit_info->mask != PIPE_MASK_RGBA)
return false;
if (blit_info->alpha_blend || blit_info->render_condition_enable ||
blit_info->scissor_enable)
return false;
// check that src/dst surface formats are compatible for the VGPU device.
return util_is_format_compatible(
util_format_description(blit_info->src.resource->format),
util_format_description(blit_info->dst.resource->format));
}
static void
svga_blit(struct pipe_context *pipe,
const struct pipe_blit_info *blit_info)
{
struct svga_context *svga = svga_context(pipe);
if (!svga_have_vgpu10(svga) &&
blit_info->src.resource->nr_samples > 1 &&
blit_info->dst.resource->nr_samples <= 1 &&
!util_format_is_depth_or_stencil(blit_info->src.resource->format) &&
!util_format_is_pure_integer(blit_info->src.resource->format)) {
debug_printf("svga: color resolve unimplemented\n");
return;
}
if (can_blit_via_copy_region_vgpu10(svga, blit_info)) {
unsigned src_face, src_z, dst_face, dst_z;
if (blit_info->src.resource->target == PIPE_TEXTURE_CUBE) {
src_face = blit_info->src.box.z;
src_z = 0;
assert(blit_info->src.box.depth == 1);
}
else {
src_face = 0;
src_z = blit_info->src.box.z;
}
if (blit_info->dst.resource->target == PIPE_TEXTURE_CUBE) {
dst_face = blit_info->dst.box.z;
dst_z = 0;
assert(blit_info->src.box.depth == 1);
}
else {
dst_face = 0;
dst_z = blit_info->dst.box.z;
}
copy_region_vgpu10(svga,
blit_info->src.resource,
blit_info->src.box.x, blit_info->src.box.y, src_z,
blit_info->src.level, src_face,
blit_info->dst.resource,
blit_info->dst.box.x, blit_info->dst.box.y, dst_z,
blit_info->dst.level, dst_face,
blit_info->src.box.width, blit_info->src.box.height,
blit_info->src.box.depth);
return;
}
if (util_can_blit_via_copy_region(blit_info, TRUE) ||
util_can_blit_via_copy_region(blit_info, FALSE)) {
util_resource_copy_region(pipe, blit_info->dst.resource,
blit_info->dst.level,
blit_info->dst.box.x, blit_info->dst.box.y,
blit_info->dst.box.z, blit_info->src.resource,
blit_info->src.level, &blit_info->src.box);
return; /* done */
}
if ((blit_info->mask & PIPE_MASK_S) ||
!util_blitter_is_blit_supported(svga->blitter, blit_info)) {
debug_printf("svga: blit unsupported %s -> %s\n",
util_format_short_name(blit_info->src.resource->format),
util_format_short_name(blit_info->dst.resource->format));
return;
}
/* 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]);
/*util_blitter_save_render_condition(svga->blitter, svga->render_cond_query,
svga->render_cond_cond, svga->render_cond_mode);*/
util_blitter_blit(svga->blitter, blit_info);
}
static void
svga_flush_resource(struct pipe_context *pipe,
struct pipe_resource *resource)
{
}
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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