static void init_fs_constbuf( void )
{
struct pipe_resource templat;
struct pipe_box box;
templat.target = PIPE_BUFFER;
templat.format = PIPE_FORMAT_R8_UNORM;
templat.width0 = sizeof(constants1);
templat.height0 = 1;
templat.depth0 = 1;
templat.array_size = 1;
templat.last_level = 0;
templat.nr_samples = 1;
templat.bind = PIPE_BIND_CONSTANT_BUFFER;
constbuf1 = screen->resource_create(screen, &templat);
if (constbuf1 == NULL)
exit(4);
constbuf2 = screen->resource_create(screen, &templat);
if (constbuf2 == NULL)
exit(4);
{
u_box_2d(0,0,sizeof(constants1),1, &box);
ctx->transfer_inline_write(ctx,
constbuf1,
0,
PIPE_TRANSFER_WRITE,
&box,
constants1,
sizeof constants1,
sizeof constants1);
pipe_set_constant_buffer(ctx,
PIPE_SHADER_GEOMETRY, 0,
constbuf1);
}
{
u_box_2d(0,0,sizeof(constants2),1, &box);
ctx->transfer_inline_write(ctx,
constbuf2,
0,
PIPE_TRANSFER_WRITE,
&box,
constants2,
sizeof constants2,
sizeof constants2);
pipe_set_constant_buffer(ctx,
PIPE_SHADER_GEOMETRY, 1,
constbuf2);
}
}
static void
ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
int width, int height)
{
ScrnInfoPtr pScrn = xf86Screens[pDstPixmap->drawable.pScreen->myNum];
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct exa_pixmap_priv *priv = exaGetPixmapDriverPrivate(pDstPixmap);
exa_debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
srcX, srcY, dstX, dstY, width, height);
debug_assert(priv == exa->copy.dst);
(void) priv;
if (exa->copy.use_surface_copy) {
struct pipe_box src_box;
u_box_2d(srcX, srcY, width, height, &src_box);
exa->pipe->resource_copy_region( exa->pipe,
exa->copy.dst->tex,
0,
dstX, dstY, 0,
exa->copy.src->tex,
0, &src_box);
}
else {
renderer_copy_pixmap(exa->renderer,
dstX, dstY,
srcX, srcY,
width, height,
exa->copy.src_texture->width0,
exa->copy.src_texture->height0);
}
}
/**
* Return information about the depth buffer associated with an OSMesa context.
* Input: c - the OSMesa context
* Output: width, height - size of buffer in pixels
* bytesPerValue - bytes per depth value (2 or 4)
* buffer - pointer to depth buffer values
* Return: GL_TRUE or GL_FALSE to indicate success or failure.
*/
GLAPI GLboolean GLAPIENTRY
OSMesaGetDepthBuffer(OSMesaContext c, GLint *width, GLint *height,
GLint *bytesPerValue, void **buffer)
{
struct osmesa_buffer *osbuffer = c->current_buffer;
struct pipe_context *pipe = c->stctx->pipe;
struct pipe_resource *res = osbuffer->textures[ST_ATTACHMENT_DEPTH_STENCIL];
struct pipe_transfer *transfer = NULL;
struct pipe_box box;
/*
* Note: we can't really implement this function with gallium as
* we did for swrast. We can't just map the resource and leave it
* mapped (and there's no OSMesaUnmapDepthBuffer() function) so
* we unmap the buffer here and return a 'stale' pointer. This should
* actually be OK in most cases where the caller of this function
* immediately uses the pointer.
*/
u_box_2d(0, 0, res->width0, res->height0, &box);
*buffer = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box,
&transfer);
if (!*buffer) {
return GL_FALSE;
}
*width = res->width0;
*height = res->height0;
*bytesPerValue = util_format_get_blocksize(res->format);
pipe->transfer_unmap(pipe, transfer);
return GL_TRUE;
}
/**
* Copy the contents between the attachments.
*/
static void
xmesa_st_framebuffer_copy_textures(struct st_framebuffer_iface *stfbi,
enum st_attachment_type src_statt,
enum st_attachment_type dst_statt,
unsigned x, unsigned y,
unsigned width, unsigned height)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
struct pipe_resource *src_ptex = xstfb->textures[src_statt];
struct pipe_resource *dst_ptex = xstfb->textures[dst_statt];
struct pipe_box src_box;
struct pipe_context *pipe;
if (!src_ptex || !dst_ptex)
return;
pipe = xstfb->display->pipe;
if (!pipe) {
pipe = xstfb->screen->context_create(xstfb->screen, NULL);
if (!pipe)
return;
xstfb->display->pipe = pipe;
}
u_box_2d(x, y, width, height, &src_box);
if (src_ptex && dst_ptex)
pipe->resource_copy_region(pipe, dst_ptex, 0, x, y, 0,
src_ptex, 0, &src_box);
}
static void
fd_resource_transfer_unmap(struct pipe_context *pctx,
struct pipe_transfer *ptrans)
{
struct fd_context *ctx = fd_context(pctx);
struct fd_resource *rsc = fd_resource(ptrans->resource);
struct fd_transfer *trans = fd_transfer(ptrans);
if (trans->staging && !(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
struct pipe_box box;
u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
fd_resource_flush(trans, &box);
}
if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
fd_bo_cpu_fini(rsc->bo);
if (rsc->stencil)
fd_bo_cpu_fini(rsc->stencil->bo);
}
util_range_add(&rsc->valid_buffer_range,
ptrans->box.x,
ptrans->box.x + ptrans->box.width);
pipe_resource_reference(&ptrans->resource, NULL);
util_slab_free(&ctx->transfer_pool, ptrans);
free(trans->staging);
}
static void r600_color_resolve(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_screen *screen = ctx->screen;
struct pipe_resource *tmp, templ;
struct pipe_box box;
unsigned sample_mask =
rctx->chip_class == CAYMAN ? ~0 : ((1ull << MAX2(1, info->src.res->nr_samples)) - 1);
assert((info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA);
if (is_simple_resolve(info)) {
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
util_blitter_custom_resolve_color(rctx->blitter,
info->dst.res, info->dst.level, info->dst.layer,
info->src.res, info->src.layer,
sample_mask, rctx->custom_blend_resolve);
r600_blitter_end(ctx);
return;
}
/* resolve into a temporary texture, then blit */
templ.target = PIPE_TEXTURE_2D;
templ.format = info->src.res->format;
templ.width0 = info->src.res->width0;
templ.height0 = info->src.res->height0;
templ.depth0 = 1;
templ.array_size = 1;
templ.last_level = 0;
templ.nr_samples = 0;
templ.usage = PIPE_USAGE_STATIC;
templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
templ.flags = 0;
tmp = screen->resource_create(screen, &templ);
/* XXX use scissor, so that only the needed part of the resource is resolved */
r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
util_blitter_custom_resolve_color(rctx->blitter,
tmp, 0, 0,
info->src.res, info->src.layer,
sample_mask, rctx->custom_blend_resolve);
r600_blitter_end(ctx);
/* this is correct for upside-down blits too */
u_box_2d(info->src.x0,
info->src.y0,
info->src.x1 - info->src.x0,
info->src.y1 - info->src.y0, &box);
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture(rctx->blitter, info->dst.res, info->dst.level,
~0, info->dst.x0, info->dst.y0, info->dst.layer,
tmp, 0, 0, &box);
r600_blitter_end(ctx);
pipe_resource_reference(&tmp, NULL);
}
/** Upload the constants. */
static void
up_consts(struct pipe_context *pipe)
{
struct pipe_box box;
u_box_2d(0, 0, sizeof(constants), 1, &box);
pipe->transfer_inline_write(pipe, constbuf, 0, PIPE_TRANSFER_WRITE,
&box, constants, sizeof(constants),
sizeof(constants));
}
static void
ExaCopy(PixmapPtr pDstPixmap, int srcX, int srcY, int dstX, int dstY,
int width, int height)
{
ScrnInfoPtr pScrn = xf86ScreenToScrn(pDstPixmap->drawable.pScreen);
modesettingPtr ms = modesettingPTR(pScrn);
struct exa_context *exa = ms->exa;
struct pipe_box src_box;
exa_debug_printf("\tExaCopy(srcx=%d, srcy=%d, dstX=%d, dstY=%d, w=%d, h=%d)\n",
srcX, srcY, dstX, dstY, width, height);
debug_assert(exaGetPixmapDriverPrivate(pDstPixmap) == exa->copy.dst);
u_box_2d(srcX, srcY, width, height, &src_box);
/* If source and destination overlap, we have to copy to/from a scratch
* pixmap.
*/
if (exa->copy.dst == exa->copy.src &&
!((dstX + width) < srcX || dstX > (srcX + width) ||
(dstY + height) < srcY || dstY > (srcY + height))) {
struct exa_pixmap_priv *tmp_priv;
if (!exa->copy.tmp_pix) {
exa->copy.tmp_pix = pScrn->pScreen->CreatePixmap(pScrn->pScreen,
pDstPixmap->drawable.width,
pDstPixmap->drawable.height,
pDstPixmap->drawable.depth,
pDstPixmap->drawable.width);
exaMoveInPixmap(exa->copy.tmp_pix);
}
tmp_priv = exaGetPixmapDriverPrivate(exa->copy.tmp_pix);
exa->pipe->resource_copy_region( exa->pipe,
tmp_priv->tex,
0,
srcX, srcY, 0,
exa->copy.src->tex,
0, &src_box);
exa->pipe->resource_copy_region( exa->pipe,
exa->copy.dst->tex,
0,
dstX, dstY, 0,
tmp_priv->tex,
0, &src_box);
} else
exa->pipe->resource_copy_region( exa->pipe,
exa->copy.dst->tex,
0,
dstX, dstY, 0,
exa->copy.src->tex,
0, &src_box);
}
static void pipe_copy(struct gralloc_drm_drv_t *drv,
struct gralloc_drm_bo_t *dst_bo,
struct gralloc_drm_bo_t *src_bo,
short x1, short y1, short x2, short y2)
{
struct pipe_manager *pm = (struct pipe_manager *) drv;
struct pipe_buffer *dst = (struct pipe_buffer *) dst_bo;
struct pipe_buffer *src = (struct pipe_buffer *) src_bo;
struct pipe_box src_box;
if (dst_bo->handle->width != src_bo->handle->width ||
dst_bo->handle->height != src_bo->handle->height ||
dst_bo->handle->stride != src_bo->handle->stride ||
dst_bo->handle->format != src_bo->handle->format) {
LOGE("copy between incompatible buffers");
return;
}
if (x1 < 0)
x1 = 0;
if (y1 < 0)
y1 = 0;
if (x2 > dst_bo->handle->width)
x2 = dst_bo->handle->width;
if (y2 > dst_bo->handle->height)
y2 = dst_bo->handle->height;
if (x2 <= x1 || y2 <= y1)
return;
u_box_2d(x1, y1, x2 - x1, y2 - y1, &src_box);
pthread_mutex_lock(&pm->mutex);
/* need a context for copying */
if (!pm->context) {
pm->context = pm->screen->context_create(pm->screen, NULL);
if (!pm->context) {
LOGE("failed to create pipe context");
pthread_mutex_unlock(&pm->mutex);
return;
}
}
pm->context->resource_copy_region(pm->context,
dst->resource, 0, x1, y1, 0,
src->resource, 0, &src_box);
pm->context->flush(pm->context, NULL);
pthread_mutex_unlock(&pm->mutex);
}
static void r600_copy_first_sample(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_box box;
if (rsrc->is_depth && !rsrc->is_flushing_texture) {
if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
return; /* error */
/* Decompress the first sample only. */
r600_blit_decompress_depth(ctx, rsrc, NULL,
0, 0,
info->src.layer, info->src.layer,
0, 0);
}
if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
r600_blit_decompress_color(ctx, rsrc,
0, 0,
info->src.layer, info->src.layer);
}
/* this is correct for upside-down blits too */
u_box_2d(info->src.x0,
info->src.y0,
info->src.x1 - info->src.x0,
info->src.y1 - info->src.y0, &box);
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, info->dst.res,
info->dst.level, info->dst.layer, &box);
dst_view = ctx->create_surface(ctx, info->dst.res, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(&src_templ, info->src.res, 0);
src_view = ctx->create_sampler_view(ctx, info->src.res, &src_templ);
/* Copy the first sample into dst. */
r600_blitter_begin(ctx, R600_COPY_TEXTURE);
util_blitter_copy_texture_view(rctx->blitter, dst_view, ~0, info->dst.x0,
info->dst.y0, src_view, 0, &box,
info->src.res->width0, info->src.res->height0,
info->mask);
r600_blitter_end(ctx);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
/**
* Called via glFlush/glFinish. This is where we copy the contents
* of the driver's color buffer into the user-specified buffer.
*/
static boolean
osmesa_st_framebuffer_flush_front(struct st_context_iface *stctx,
struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt)
{
OSMesaContext osmesa = OSMesaGetCurrentContext();
struct osmesa_buffer *osbuffer = stfbi_to_osbuffer(stfbi);
struct pipe_context *pipe = stctx->pipe;
struct pipe_resource *res = osbuffer->textures[statt];
struct pipe_transfer *transfer = NULL;
struct pipe_box box;
void *map;
ubyte *src, *dst;
unsigned y, bytes, bpp;
int dst_stride;
u_box_2d(0, 0, res->width0, res->height0, &box);
map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box,
&transfer);
/*
* Copy the color buffer from the resource to the user's buffer.
*/
bpp = util_format_get_blocksize(osbuffer->visual.color_format);
src = map;
dst = osbuffer->map;
if (osmesa->user_row_length)
dst_stride = bpp * osmesa->user_row_length;
else
dst_stride = bpp * osbuffer->width;
bytes = bpp * res->width0;
if (osmesa->y_up) {
/* need to flip image upside down */
dst = dst + (res->height0 - 1) * dst_stride;
dst_stride = -dst_stride;
}
for (y = 0; y < res->height0; y++) {
memcpy(dst, src, bytes);
dst += dst_stride;
src += transfer->stride;
}
pipe->transfer_unmap(pipe, transfer);
return TRUE;
}
void
xa_copy(struct xa_context *ctx,
int dx, int dy, int sx, int sy, int width, int height)
{
struct pipe_box src_box;
if (ctx->simple_copy) {
u_box_2d(sx, sy, width, height, &src_box);
ctx->pipe->resource_copy_region(ctx->pipe,
ctx->dst->tex, 0, dx, dy, 0,
ctx->src->tex,
0, &src_box);
} else
renderer_copy(ctx, dx, dy, sx, sy, width, height,
(float) width, (float) height);
}
XA_EXPORT void
xa_copy(struct xa_context *ctx,
int dx, int dy, int sx, int sy, int width, int height)
{
struct pipe_box src_box;
xa_scissor_update(ctx, dx, dy, dx + width, dy + height);
if (ctx->simple_copy) {
u_box_2d(sx, sy, width, height, &src_box);
ctx->pipe->resource_copy_region(ctx->pipe,
ctx->dst->tex, 0, dx, dy, 0,
ctx->src->tex,
0, &src_box);
} else
renderer_copy(ctx, dx, dy, sx, sy, width, height,
(float) ctx->src->tex->width0,
(float) ctx->src->tex->height0);
}
static void
drisw_copy_sub_buffer(__DRIdrawable *dPriv, int x, int y,
int w, int h)
{
struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
struct dri_drawable *drawable = dri_drawable(dPriv);
struct pipe_resource *ptex;
struct pipe_box box;
if (!ctx)
return;
ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
if (ptex) {
if (ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL])
pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
ctx->st->flush(ctx->st, ST_FLUSH_FRONT, NULL);
u_box_2d(x, dPriv->h - y - h, w, h, &box);
drisw_present_texture(dPriv, ptex, &box);
}
}
/**
* Try to do a glCopyPixels for simple cases with a blit by calling
* pipe->resource_copy_region().
*
* We can do this when we're copying color pixels (depth/stencil
* eventually) with no pixel zoom, no pixel transfer ops, no
* per-fragment ops, the src/dest regions don't overlap and the
* src/dest pixel formats are the same.
*/
static GLboolean
blit_copy_pixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct gl_pixelstore_attrib pack, unpack;
GLint readX, readY, readW, readH;
if (type == GL_COLOR &&
ctx->Pixel.ZoomX == 1.0 &&
ctx->Pixel.ZoomY == 1.0 &&
ctx->_ImageTransferState == 0x0 &&
!ctx->Color.BlendEnabled &&
!ctx->Color.AlphaEnabled &&
!ctx->Depth.Test &&
!ctx->Fog.Enabled &&
!ctx->Stencil.Enabled &&
!ctx->FragmentProgram.Enabled &&
!ctx->VertexProgram.Enabled &&
!ctx->Shader.CurrentFragmentProgram &&
st_fb_orientation(ctx->ReadBuffer) == st_fb_orientation(ctx->DrawBuffer) &&
ctx->DrawBuffer->_NumColorDrawBuffers == 1 &&
!ctx->Query.CondRenderQuery) {
struct st_renderbuffer *rbRead, *rbDraw;
GLint drawX, drawY;
/*
* Clip the read region against the src buffer bounds.
* We'll still allocate a temporary buffer/texture for the original
* src region size but we'll only read the region which is on-screen.
* This may mean that we draw garbage pixels into the dest region, but
* that's expected.
*/
readX = srcx;
readY = srcy;
readW = width;
readH = height;
pack = ctx->DefaultPacking;
if (!_mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &pack))
return GL_TRUE; /* all done */
/* clip against dest buffer bounds and scissor box */
drawX = dstx + pack.SkipPixels;
drawY = dsty + pack.SkipRows;
unpack = pack;
if (!_mesa_clip_drawpixels(ctx, &drawX, &drawY, &readW, &readH, &unpack))
return GL_TRUE; /* all done */
readX = readX - pack.SkipPixels + unpack.SkipPixels;
readY = readY - pack.SkipRows + unpack.SkipRows;
rbRead = st_get_color_read_renderbuffer(ctx);
rbDraw = st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
if ((rbRead != rbDraw ||
!regions_overlap(readX, readY, drawX, drawY, readW, readH)) &&
rbRead->Base.Format == rbDraw->Base.Format) {
struct pipe_box srcBox;
/* flip src/dst position if needed */
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
/* both buffers will have the same orientation */
readY = ctx->ReadBuffer->Height - readY - readH;
drawY = ctx->DrawBuffer->Height - drawY - readH;
}
u_box_2d(readX, readY, readW, readH, &srcBox);
pipe->resource_copy_region(pipe,
rbDraw->texture,
rbDraw->rtt_level, drawX, drawY, 0,
rbRead->texture,
rbRead->rtt_level, &srcBox);
return GL_TRUE;
}
}
return GL_FALSE;
}
/**
* Called via glFlush/glFinish. This is where we copy the contents
* of the driver's color buffer into the user-specified buffer.
*/
static boolean
osmesa_st_framebuffer_flush_front(struct st_context_iface *stctx,
struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt)
{
OSMesaContext osmesa = OSMesaGetCurrentContext();
struct osmesa_buffer *osbuffer = stfbi_to_osbuffer(stfbi);
struct pipe_context *pipe = stctx->pipe;
struct pipe_resource *res = osbuffer->textures[statt];
struct pipe_transfer *transfer = NULL;
struct pipe_box box;
void *map;
ubyte *src, *dst;
unsigned y, bytes, bpp;
int dst_stride;
if (osmesa->pp) {
struct pipe_resource *zsbuf = NULL;
unsigned i;
/* Find the z/stencil buffer if there is one */
for (i = 0; i < ARRAY_SIZE(osbuffer->textures); i++) {
struct pipe_resource *res = osbuffer->textures[i];
if (res) {
const struct util_format_description *desc =
util_format_description(res->format);
if (util_format_has_depth(desc)) {
zsbuf = res;
break;
}
}
}
/* run the postprocess stage(s) */
pp_run(osmesa->pp, res, res, zsbuf);
}
u_box_2d(0, 0, res->width0, res->height0, &box);
map = pipe->transfer_map(pipe, res, 0, PIPE_TRANSFER_READ, &box,
&transfer);
/*
* Copy the color buffer from the resource to the user's buffer.
*/
bpp = util_format_get_blocksize(osbuffer->visual.color_format);
src = map;
dst = osbuffer->map;
if (osmesa->user_row_length)
dst_stride = bpp * osmesa->user_row_length;
else
dst_stride = bpp * osbuffer->width;
bytes = bpp * res->width0;
if (osmesa->y_up) {
/* need to flip image upside down */
dst = dst + (res->height0 - 1) * dst_stride;
dst_stride = -dst_stride;
}
for (y = 0; y < res->height0; y++) {
memcpy(dst, src, bytes);
dst += dst_stride;
src += transfer->stride;
}
pipe->transfer_unmap(pipe, transfer);
return TRUE;
}
/** The init function of the MLAA filter. */
static bool
pp_jimenezmlaa_init_run(struct pp_queue_t *ppq, unsigned int n,
unsigned int val, bool iscolor)
{
struct pipe_box box;
struct pipe_resource res;
char *tmp_text = NULL;
tmp_text = CALLOC(sizeof(blend2fs_1) + sizeof(blend2fs_2) +
IMM_SPACE, sizeof(char));
if (tmp_text == NULL) {
pp_debug("Failed to allocate shader space\n");
return FALSE;
}
ppq->constbuf = pipe_buffer_create(ppq->p->screen,
PIPE_BIND_CONSTANT_BUFFER,
PIPE_USAGE_DEFAULT,
sizeof(constants));
if (ppq->constbuf == NULL) {
pp_debug("Failed to allocate constant buffer\n");
goto fail;
}
pp_debug("mlaa: using %u max search steps\n", val);
util_sprintf(tmp_text, "%s"
"IMM FLT32 { %.8f, 0.0000, 0.0000, 0.0000}\n"
"%s\n", blend2fs_1, (float) val, blend2fs_2);
memset(&res, 0, sizeof(res));
res.target = PIPE_TEXTURE_2D;
res.format = PIPE_FORMAT_R8G8_UNORM;
res.width0 = res.height0 = 165;
res.bind = PIPE_BIND_SAMPLER_VIEW;
res.usage = PIPE_USAGE_DEFAULT;
res.depth0 = res.array_size = res.nr_samples = 1;
if (!ppq->p->screen->is_format_supported(ppq->p->screen, res.format,
res.target, 1, res.bind))
pp_debug("Areamap format not supported\n");
ppq->areamaptex = ppq->p->screen->resource_create(ppq->p->screen, &res);
if (ppq->areamaptex == NULL) {
pp_debug("Failed to allocate area map texture\n");
goto fail;
}
u_box_2d(0, 0, 165, 165, &box);
ppq->p->pipe->transfer_inline_write(ppq->p->pipe, ppq->areamaptex, 0,
PIPE_TRANSFER_WRITE, &box,
areamap, 165 * 2, sizeof(areamap));
ppq->shaders[n][1] = pp_tgsi_to_state(ppq->p->pipe, offsetvs, true,
"offsetvs");
if (iscolor)
ppq->shaders[n][2] = pp_tgsi_to_state(ppq->p->pipe, color1fs,
false, "color1fs");
else
ppq->shaders[n][2] = pp_tgsi_to_state(ppq->p->pipe, depth1fs,
false, "depth1fs");
ppq->shaders[n][3] = pp_tgsi_to_state(ppq->p->pipe, tmp_text, false,
"blend2fs");
ppq->shaders[n][4] = pp_tgsi_to_state(ppq->p->pipe, neigh3fs, false,
"neigh3fs");
FREE(tmp_text);
return TRUE;
fail:
FREE(tmp_text);
/*
* Call the common free function for destruction of partially initialized
* resources.
*/
pp_jimenezmlaa_free(ppq, n);
return FALSE;
}
static void
test_sync_file_fences(struct pipe_context *ctx)
{
struct pipe_screen *screen = ctx->screen;
bool pass = true;
enum pipe_fd_type fd_type = PIPE_FD_TYPE_NATIVE_SYNC;
if (!screen->get_param(screen, PIPE_CAP_NATIVE_FENCE_FD))
return;
struct cso_context *cso = cso_create_context(ctx, 0);
struct pipe_resource *buf =
pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT, 1024 * 1024);
struct pipe_resource *tex =
util_create_texture2d(screen, 4096, 1024, PIPE_FORMAT_R8_UNORM, 0);
struct pipe_fence_handle *buf_fence = NULL, *tex_fence = NULL;
/* Run 2 clears, get fencess. */
uint32_t value = 0;
ctx->clear_buffer(ctx, buf, 0, buf->width0, &value, sizeof(value));
ctx->flush(ctx, &buf_fence, PIPE_FLUSH_FENCE_FD);
struct pipe_box box;
u_box_2d(0, 0, tex->width0, tex->height0, &box);
ctx->clear_texture(ctx, tex, 0, &box, &value);
ctx->flush(ctx, &tex_fence, PIPE_FLUSH_FENCE_FD);
pass = pass && buf_fence && tex_fence;
/* Export fences. */
int buf_fd = screen->fence_get_fd(screen, buf_fence);
int tex_fd = screen->fence_get_fd(screen, tex_fence);
pass = pass && buf_fd >= 0 && tex_fd >= 0;
/* Merge fences. */
int merged_fd = sync_merge("test", buf_fd, tex_fd);
pass = pass && merged_fd >= 0;
/* (Re)import all fences. */
struct pipe_fence_handle *re_buf_fence = NULL, *re_tex_fence = NULL;
struct pipe_fence_handle *merged_fence = NULL;
ctx->create_fence_fd(ctx, &re_buf_fence, buf_fd, fd_type);
ctx->create_fence_fd(ctx, &re_tex_fence, tex_fd, fd_type);
ctx->create_fence_fd(ctx, &merged_fence, merged_fd, fd_type);
pass = pass && re_buf_fence && re_tex_fence && merged_fence;
/* Run another clear after waiting for everything. */
struct pipe_fence_handle *final_fence = NULL;
ctx->fence_server_sync(ctx, merged_fence);
value = 0xff;
ctx->clear_buffer(ctx, buf, 0, buf->width0, &value, sizeof(value));
ctx->flush(ctx, &final_fence, PIPE_FLUSH_FENCE_FD);
pass = pass && final_fence;
/* Wait for the last fence. */
int final_fd = screen->fence_get_fd(screen, final_fence);
pass = pass && final_fd >= 0;
pass = pass && sync_wait(final_fd, -1) == 0;
/* Check that all fences are signalled. */
pass = pass && sync_wait(buf_fd, 0) == 0;
pass = pass && sync_wait(tex_fd, 0) == 0;
pass = pass && sync_wait(merged_fd, 0) == 0;
pass = pass && screen->fence_finish(screen, NULL, buf_fence, 0);
pass = pass && screen->fence_finish(screen, NULL, tex_fence, 0);
pass = pass && screen->fence_finish(screen, NULL, re_buf_fence, 0);
pass = pass && screen->fence_finish(screen, NULL, re_tex_fence, 0);
pass = pass && screen->fence_finish(screen, NULL, merged_fence, 0);
pass = pass && screen->fence_finish(screen, NULL, final_fence, 0);
/* Cleanup. */
#ifndef PIPE_OS_WINDOWS
if (buf_fd >= 0)
close(buf_fd);
if (tex_fd >= 0)
close(tex_fd);
if (merged_fd >= 0)
close(merged_fd);
if (final_fd >= 0)
close(final_fd);
#endif
screen->fence_reference(screen, &buf_fence, NULL);
screen->fence_reference(screen, &tex_fence, NULL);
screen->fence_reference(screen, &re_buf_fence, NULL);
screen->fence_reference(screen, &re_tex_fence, NULL);
screen->fence_reference(screen, &merged_fence, NULL);
screen->fence_reference(screen, &final_fence, NULL);
cso_destroy_context(cso);
pipe_resource_reference(&buf, NULL);
pipe_resource_reference(&tex, NULL);
util_report_result(pass);
}
/* In the case of transfer_map of a multi-sample resource, call back into
* pctx->transfer_map() to map the staging resource, to handle cases of
* MSAA + separate_z32s8 or fake_rgtc
*/
static void *
transfer_map_msaa(struct pipe_context *pctx,
struct pipe_resource *prsc,
unsigned level, unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **pptrans)
{
struct pipe_screen *pscreen = pctx->screen;
struct u_transfer *trans = calloc(1, sizeof(*trans));
if (!trans)
return NULL;
struct pipe_transfer *ptrans = &trans->base;
pipe_resource_reference(&ptrans->resource, prsc);
ptrans->level = level;
ptrans->usage = usage;
ptrans->box = *box;
struct pipe_resource tmpl = {
.target = prsc->target,
.format = prsc->format,
.width0 = box->width,
.height0 = box->height,
.depth0 = 1,
.array_size = 1,
};
trans->ss = pscreen->resource_create(pscreen, &tmpl);
if (!trans->ss) {
free(trans);
return NULL;
}
if (needs_pack(usage)) {
struct pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = ptrans->resource;
blit.src.format = ptrans->resource->format;
blit.src.level = ptrans->level;
blit.src.box = *box;
blit.dst.resource = trans->ss;
blit.dst.format = trans->ss->format;
blit.dst.box.width = box->width;
blit.dst.box.height = box->height;
blit.dst.box.depth = 1;
blit.mask = util_format_get_mask(prsc->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pctx->blit(pctx, &blit);
}
struct pipe_box map_box = *box;
map_box.x = 0;
map_box.y = 0;
void *ss_map = pctx->transfer_map(pctx, trans->ss, 0, usage, &map_box,
&trans->trans);
if (!ss_map) {
free(trans);
return NULL;
}
ptrans->stride = trans->trans->stride;
*pptrans = ptrans;
return ss_map;
}
void *
u_transfer_helper_transfer_map(struct pipe_context *pctx,
struct pipe_resource *prsc,
unsigned level, unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **pptrans)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
struct u_transfer *trans;
struct pipe_transfer *ptrans;
enum pipe_format format = prsc->format;
unsigned width = box->width;
unsigned height = box->height;
if (!handle_transfer(prsc))
return helper->vtbl->transfer_map(pctx, prsc, level, usage, box, pptrans);
if (helper->msaa_map && (prsc->nr_samples > 1))
return transfer_map_msaa(pctx, prsc, level, usage, box, pptrans);
debug_assert(box->depth == 1);
trans = calloc(1, sizeof(*trans));
if (!trans)
return NULL;
ptrans = &trans->base;
pipe_resource_reference(&ptrans->resource, prsc);
ptrans->level = level;
ptrans->usage = usage;
ptrans->box = *box;
ptrans->stride = util_format_get_stride(format, box->width);
ptrans->layer_stride = ptrans->stride * box->height;
trans->staging = malloc(ptrans->layer_stride);
if (!trans->staging)
goto fail;
trans->ptr = helper->vtbl->transfer_map(pctx, prsc, level, usage, box,
&trans->trans);
if (!trans->ptr)
goto fail;
if (prsc->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
struct pipe_resource *stencil = helper->vtbl->get_stencil(prsc);
trans->ptr2 = helper->vtbl->transfer_map(pctx, stencil, level,
usage, box, &trans->trans2);
if (needs_pack(usage)) {
util_format_z32_float_s8x24_uint_pack_z_float(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
util_format_z32_float_s8x24_uint_pack_s_8uint(trans->staging,
ptrans->stride,
trans->ptr2,
trans->trans2->stride,
width, height);
}
} else if (needs_pack(usage) &&
util_format_description(prsc->format)->layout == UTIL_FORMAT_LAYOUT_RGTC) {
switch (prsc->format) {
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_LATC1_UNORM:
case PIPE_FORMAT_LATC1_SNORM:
util_format_rgtc1_unorm_pack_rgba_8unorm(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_RGTC2_SNORM:
case PIPE_FORMAT_LATC2_UNORM:
case PIPE_FORMAT_LATC2_SNORM:
util_format_rgtc2_unorm_pack_rgba_8unorm(trans->staging,
ptrans->stride,
trans->ptr,
trans->trans->stride,
width, height);
break;
default:
assert(!"Unexpected format");
break;
}
} else {
unreachable("bleh");
}
*pptrans = ptrans;
return trans->staging;
fail:
if (trans->trans)
helper->vtbl->transfer_unmap(pctx, trans->trans);
if (trans->trans2)
helper->vtbl->transfer_unmap(pctx, trans->trans2);
pipe_resource_reference(&ptrans->resource, NULL);
free(trans->staging);
free(trans);
return NULL;
}
static void
flush_region(struct pipe_context *pctx, struct pipe_transfer *ptrans,
const struct pipe_box *box)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
struct u_transfer *trans = u_transfer(ptrans);
enum pipe_format iformat, format = ptrans->resource->format;
unsigned width = box->width;
unsigned height = box->height;
void *src, *dst;
if (!(ptrans->usage & PIPE_TRANSFER_WRITE))
return;
if (trans->ss) {
struct pipe_blit_info blit;
memset(&blit, 0, sizeof(blit));
blit.src.resource = trans->ss;
blit.src.format = trans->ss->format;
blit.src.box = *box;
blit.dst.resource = ptrans->resource;
blit.dst.format = ptrans->resource->format;
blit.dst.level = ptrans->level;
u_box_2d(ptrans->box.x + box->x,
ptrans->box.y + box->y,
box->width, box->height,
&blit.dst.box);
blit.mask = util_format_get_mask(ptrans->resource->format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
pctx->blit(pctx, &blit);
return;
}
iformat = helper->vtbl->get_internal_format(ptrans->resource);
src = (uint8_t *)trans->staging +
(box->y * ptrans->stride) +
(box->x * util_format_get_blocksize(format));
dst = (uint8_t *)trans->ptr +
(box->y * trans->trans->stride) +
(box->x * util_format_get_blocksize(iformat));
switch (format) {
case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
util_format_z32_float_s8x24_uint_unpack_z_float(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
/* fallthru */
case PIPE_FORMAT_X32_S8X24_UINT:
dst = (uint8_t *)trans->ptr2 +
(box->y * trans->trans2->stride) +
(box->x * util_format_get_blocksize(PIPE_FORMAT_S8_UINT));
util_format_z32_float_s8x24_uint_unpack_s_8uint(dst,
trans->trans2->stride,
src,
ptrans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
case PIPE_FORMAT_LATC1_UNORM:
case PIPE_FORMAT_LATC1_SNORM:
util_format_rgtc1_unorm_unpack_rgba_8unorm(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
break;
case PIPE_FORMAT_RGTC2_UNORM:
case PIPE_FORMAT_RGTC2_SNORM:
case PIPE_FORMAT_LATC2_UNORM:
case PIPE_FORMAT_LATC2_SNORM:
util_format_rgtc2_unorm_unpack_rgba_8unorm(dst,
trans->trans->stride,
src,
ptrans->stride,
width, height);
break;
default:
assert(!"Unexpected staging transfer type");
break;
}
}
void
u_transfer_helper_transfer_flush_region(struct pipe_context *pctx,
struct pipe_transfer *ptrans,
const struct pipe_box *box)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
if (handle_transfer(ptrans->resource)) {
struct u_transfer *trans = u_transfer(ptrans);
flush_region(pctx, ptrans, box);
/* handle MSAA case, since there could be multiple levels of
* wrapped transfer, call pctx->transfer_flush_region()
* instead of helper->vtbl->transfer_flush_region()
*/
if (trans->ss) {
pctx->transfer_flush_region(pctx, trans->trans, box);
return;
}
helper->vtbl->transfer_flush_region(pctx, trans->trans, box);
if (trans->trans2)
helper->vtbl->transfer_flush_region(pctx, trans->trans2, box);
} else {
helper->vtbl->transfer_flush_region(pctx, ptrans, box);
}
}
void
u_transfer_helper_transfer_unmap(struct pipe_context *pctx,
struct pipe_transfer *ptrans)
{
struct u_transfer_helper *helper = pctx->screen->transfer_helper;
if (handle_transfer(ptrans->resource)) {
struct u_transfer *trans = u_transfer(ptrans);
if (!(ptrans->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
struct pipe_box box;
u_box_2d(0, 0, ptrans->box.width, ptrans->box.height, &box);
flush_region(pctx, ptrans, &box);
}
/* in MSAA case, there could be multiple levels of wrapping
* so don't call helper->vtbl->transfer_unmap() directly
*/
if (trans->ss) {
pctx->transfer_unmap(pctx, trans->trans);
pipe_resource_reference(&trans->ss, NULL);
} else {
helper->vtbl->transfer_unmap(pctx, trans->trans);
if (trans->trans2)
helper->vtbl->transfer_unmap(pctx, trans->trans2);
}
free(trans);
} else {
helper->vtbl->transfer_unmap(pctx, ptrans);
}
}
struct u_transfer_helper *
u_transfer_helper_create(const struct u_transfer_vtbl *vtbl,
bool separate_z32s8,
bool fake_rgtc,
bool msaa_map)
{
struct u_transfer_helper *helper = calloc(1, sizeof(*helper));
helper->vtbl = vtbl;
helper->separate_z32s8 = separate_z32s8;
helper->fake_rgtc = fake_rgtc;
helper->msaa_map = msaa_map;
return helper;
}
void
u_transfer_helper_destroy(struct u_transfer_helper *helper)
{
free(helper);
}
static void init_tex( void )
{
struct pipe_sampler_view sv_template;
struct pipe_sampler_state sampler_desc;
struct pipe_resource templat;
struct pipe_box box;
ubyte tex2d[SIZE][SIZE][4];
int s, t;
#if (SIZE != 2)
for (s = 0; s < SIZE; s++) {
for (t = 0; t < SIZE; t++) {
if (0) {
int x = (s ^ t) & 1;
tex2d[t][s][0] = (x) ? 0 : 63;
tex2d[t][s][1] = (x) ? 0 : 128;
tex2d[t][s][2] = 0;
tex2d[t][s][3] = 0xff;
}
else {
int x = ((s ^ t) >> 2) & 1;
tex2d[t][s][0] = s*255/(SIZE-1);
tex2d[t][s][1] = t*255/(SIZE-1);
tex2d[t][s][2] = (x) ? 0 : 128;
tex2d[t][s][3] = 0xff;
}
}
}
#else
tex2d[0][0][0] = 0;
tex2d[0][0][1] = 255;
tex2d[0][0][2] = 255;
tex2d[0][0][3] = 0;
tex2d[0][1][0] = 0;
tex2d[0][1][1] = 0;
tex2d[0][1][2] = 255;
tex2d[0][1][3] = 255;
tex2d[1][0][0] = 255;
tex2d[1][0][1] = 255;
tex2d[1][0][2] = 0;
tex2d[1][0][3] = 255;
tex2d[1][1][0] = 255;
tex2d[1][1][1] = 0;
tex2d[1][1][2] = 0;
tex2d[1][1][3] = 255;
#endif
templat.target = PIPE_TEXTURE_2D;
templat.format = PIPE_FORMAT_B8G8R8A8_UNORM;
templat.width0 = SIZE;
templat.height0 = SIZE;
templat.depth0 = 1;
templat.array_size = 1;
templat.last_level = 0;
templat.nr_samples = 1;
templat.bind = PIPE_BIND_SAMPLER_VIEW;
samptex = screen->resource_create(screen,
&templat);
if (samptex == NULL)
exit(4);
u_box_2d(0,0,SIZE,SIZE, &box);
ctx->transfer_inline_write(ctx,
samptex,
0,
PIPE_TRANSFER_WRITE,
&box,
tex2d,
sizeof tex2d[0],
sizeof tex2d);
/* Possibly read back & compare against original data:
*/
if (0)
{
struct pipe_transfer *t;
uint32_t *ptr;
t = pipe_get_transfer(ctx, samptex,
0, 0, /* level, layer */
PIPE_TRANSFER_READ,
0, 0, SIZE, SIZE); /* x, y, width, height */
ptr = ctx->transfer_map(ctx, t);
if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
assert(0);
exit(9);
}
ctx->transfer_unmap(ctx, t);
ctx->transfer_destroy(ctx, t);
}
memset(&sv_template, 0, sizeof sv_template);
sv_template.format = samptex->format;
sv_template.texture = samptex;
sv_template.swizzle_r = 0;
sv_template.swizzle_g = 1;
sv_template.swizzle_b = 2;
sv_template.swizzle_a = 3;
sv = ctx->create_sampler_view(ctx, samptex, &sv_template);
if (sv == NULL)
exit(5);
ctx->set_fragment_sampler_views(ctx, 1, &sv);
memset(&sampler_desc, 0, sizeof sampler_desc);
sampler_desc.wrap_s = PIPE_TEX_WRAP_REPEAT;
sampler_desc.wrap_t = PIPE_TEX_WRAP_REPEAT;
sampler_desc.wrap_r = PIPE_TEX_WRAP_REPEAT;
sampler_desc.min_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler_desc.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler_desc.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
sampler_desc.compare_mode = PIPE_TEX_COMPARE_NONE;
sampler_desc.compare_func = 0;
sampler_desc.normalized_coords = 1;
sampler_desc.max_anisotropy = 0;
sampler = ctx->create_sampler_state(ctx, &sampler_desc);
if (sampler == NULL)
exit(6);
ctx->bind_fragment_sampler_states(ctx, 1, &sampler);
}
static void
st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct st_renderbuffer *rbRead;
void *driver_vp, *driver_fp;
struct pipe_resource *pt;
struct pipe_sampler_view *sv[2];
int num_sampler_view = 1;
GLfloat *color;
enum pipe_format srcFormat, texFormat;
GLboolean invertTex = GL_FALSE;
GLint readX, readY, readW, readH;
GLuint sample_count;
struct gl_pixelstore_attrib pack = ctx->DefaultPacking;
struct st_fp_variant *fpv;
st_validate_state(st);
if (type == GL_STENCIL) {
/* can't use texturing to do stencil */
copy_stencil_pixels(ctx, srcx, srcy, width, height, dstx, dsty);
return;
}
if (blit_copy_pixels(ctx, srcx, srcy, width, height, dstx, dsty, type))
return;
/*
* The subsequent code implements glCopyPixels by copying the source
* pixels into a temporary texture that's then applied to a textured quad.
* When we draw the textured quad, all the usual per-fragment operations
* are handled.
*/
/*
* Get vertex/fragment shaders
*/
if (type == GL_COLOR) {
rbRead = st_get_color_read_renderbuffer(ctx);
color = NULL;
fpv = get_color_fp_variant(st);
driver_fp = fpv->driver_shader;
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
if (st->pixel_xfer.pixelmap_enabled) {
sv[1] = st->pixel_xfer.pixelmap_sampler_view;
num_sampler_view++;
}
}
else {
assert(type == GL_DEPTH);
rbRead = st_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
color = ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
fpv = get_depth_stencil_fp_variant(st, GL_TRUE, GL_FALSE);
driver_fp = fpv->driver_shader;
driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
/* update fragment program constants */
st_upload_constants(st, fpv->parameters, PIPE_SHADER_FRAGMENT);
if (rbRead->Base.Wrapped)
rbRead = st_renderbuffer(rbRead->Base.Wrapped);
sample_count = rbRead->texture->nr_samples;
/* I believe this would be legal, presumably would need to do a resolve
for color, and for depth/stencil spec says to just use one of the
depth/stencil samples per pixel? Need some transfer clarifications. */
assert(sample_count < 2);
srcFormat = rbRead->texture->format;
if (screen->is_format_supported(screen, srcFormat, st->internal_target,
sample_count,
PIPE_BIND_SAMPLER_VIEW)) {
texFormat = srcFormat;
}
else {
/* srcFormat can't be used as a texture format */
if (type == GL_DEPTH) {
texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT,
GL_NONE, GL_NONE, st->internal_target,
sample_count, PIPE_BIND_DEPTH_STENCIL);
assert(texFormat != PIPE_FORMAT_NONE);
}
else {
/* default color format */
texFormat = st_choose_format(screen, GL_RGBA,
GL_NONE, GL_NONE, st->internal_target,
sample_count, PIPE_BIND_SAMPLER_VIEW);
assert(texFormat != PIPE_FORMAT_NONE);
}
}
/* Invert src region if needed */
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
srcy = ctx->ReadBuffer->Height - srcy - height;
invertTex = !invertTex;
}
/* Clip the read region against the src buffer bounds.
* We'll still allocate a temporary buffer/texture for the original
* src region size but we'll only read the region which is on-screen.
* This may mean that we draw garbage pixels into the dest region, but
* that's expected.
*/
readX = srcx;
readY = srcy;
readW = width;
readH = height;
_mesa_clip_readpixels(ctx, &readX, &readY, &readW, &readH, &pack);
readW = MAX2(0, readW);
readH = MAX2(0, readH);
/* alloc temporary texture */
pt = alloc_texture(st, width, height, texFormat);
if (!pt)
return;
sv[0] = st_create_texture_sampler_view(st->pipe, pt);
if (!sv[0]) {
pipe_resource_reference(&pt, NULL);
return;
}
/* Make temporary texture which is a copy of the src region.
*/
if (srcFormat == texFormat) {
struct pipe_box src_box;
u_box_2d(readX, readY, readW, readH, &src_box);
/* copy source framebuffer surface into mipmap/texture */
pipe->resource_copy_region(pipe,
pt, /* dest tex */
0, /* dest lvl */
pack.SkipPixels, pack.SkipRows, 0, /* dest pos */
rbRead->texture, /* src tex */
rbRead->rtt_level, /* src lvl */
&src_box);
}
else {
/* CPU-based fallback/conversion */
struct pipe_transfer *ptRead =
pipe_get_transfer(st->pipe, rbRead->texture,
rbRead->rtt_level,
rbRead->rtt_face + rbRead->rtt_slice,
PIPE_TRANSFER_READ,
readX, readY, readW, readH);
struct pipe_transfer *ptTex;
enum pipe_transfer_usage transfer_usage;
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
if (type == GL_DEPTH && util_format_is_depth_and_stencil(pt->format))
transfer_usage = PIPE_TRANSFER_READ_WRITE;
else
transfer_usage = PIPE_TRANSFER_WRITE;
ptTex = pipe_get_transfer(st->pipe, pt, 0, 0, transfer_usage,
0, 0, width, height);
/* copy image from ptRead surface to ptTex surface */
if (type == GL_COLOR) {
/* alternate path using get/put_tile() */
GLfloat *buf = (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
enum pipe_format readFormat, drawFormat;
readFormat = util_format_linear(rbRead->texture->format);
drawFormat = util_format_linear(pt->format);
pipe_get_tile_rgba_format(pipe, ptRead, 0, 0, readW, readH,
readFormat, buf);
pipe_put_tile_rgba_format(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
readW, readH, drawFormat, buf);
free(buf);
}
else {
/* GL_DEPTH */
GLuint *buf = (GLuint *) malloc(width * height * sizeof(GLuint));
pipe_get_tile_z(pipe, ptRead, 0, 0, readW, readH, buf);
pipe_put_tile_z(pipe, ptTex, pack.SkipPixels, pack.SkipRows,
readW, readH, buf);
free(buf);
}
pipe->transfer_destroy(pipe, ptRead);
pipe->transfer_destroy(pipe, ptTex);
}
/* OK, the texture 'pt' contains the src image/pixels. Now draw a
* textured quad with that texture.
*/
draw_textured_quad(ctx, dstx, dsty, ctx->Current.RasterPos[2],
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
sv,
num_sampler_view,
driver_vp,
driver_fp,
color, invertTex, GL_FALSE, GL_FALSE);
pipe_resource_reference(&pt, NULL);
pipe_sampler_view_reference(&sv[0], NULL);
}
