[Mesa-dev] [PATCH] st/mesa: accelerate glCopyPixels(STENCIL)
apinheiro
apinheiro at igalia.com
Fri Jul 12 09:25:34 UTC 2019
On 11/7/19 20:12, Marek Olšák wrote:
> The test passes here. I wouldn't push a commit that doesn't pass.
Ok, thanks for confirming.
> It looks like v3d can't blit stencil.
Ok, thanks for the hint.
>
> Marek
>
> On Thu, Jul 11, 2019 at 6:29 AM apinheiro <apinheiro at igalia.com
> <mailto:apinheiro at igalia.com>> wrote:
>
> Hi, the following piglit test:
>
> ./bin/fbo-stencil copypixels GL_DEPTH32F_STENCIL8 -auto -fbo
>
> regressed after this patch landed master with the v3d driver. So
> Marek
> and anyone reading this email, could you execute that test and
> confirms
> if only regress with v3d?
>
> Thanks in advance.
>
> On 25/6/19 2:12, Marek Olšák wrote:
> > From: Marek Olšák <marek.olsak at amd.com <mailto:marek.olsak at amd.com>>
> >
> > ---
> > src/mesa/state_tracker/st_cb_drawpixels.c | 58
> +++++++++++++++--------
> > 1 file changed, 38 insertions(+), 20 deletions(-)
> >
> > diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c
> b/src/mesa/state_tracker/st_cb_drawpixels.c
> > index 59868d3ff1d..26d3cc33e5c 100644
> > --- a/src/mesa/state_tracker/st_cb_drawpixels.c
> > +++ b/src/mesa/state_tracker/st_cb_drawpixels.c
> > @@ -1508,35 +1508,35 @@ 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 pipe_screen *screen = pipe->screen;
> > struct gl_pixelstore_attrib pack, unpack;
> > GLint readX, readY, readW, readH, drawX, drawY, drawW, drawH;
> >
> > - if (type == GL_COLOR &&
> > - ctx->Pixel.ZoomX == 1.0 &&
> > + if (ctx->Pixel.ZoomX == 1.0 &&
> > ctx->Pixel.ZoomY == 1.0 &&
> > - ctx->_ImageTransferState == 0x0 &&
> > - !ctx->Color.BlendEnabled &&
> > - !ctx->Color.AlphaEnabled &&
> > - (!ctx->Color.ColorLogicOpEnabled || ctx->Color.LogicOp
> == GL_COPY) &&
> > - !ctx->Depth.Test &&
> > - !ctx->Fog.Enabled &&
> > - !ctx->Stencil.Enabled &&
> > - !ctx->FragmentProgram.Enabled &&
> > - !ctx->VertexProgram.Enabled &&
> > - !ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] &&
> > - !_mesa_ati_fragment_shader_enabled(ctx) &&
> > - ctx->DrawBuffer->_NumColorDrawBuffers == 1 &&
> > + (type != GL_COLOR ||
> > + (ctx->_ImageTransferState == 0x0 &&
> > + !ctx->Color.BlendEnabled &&
> > + !ctx->Color.AlphaEnabled &&
> > + (!ctx->Color.ColorLogicOpEnabled || ctx->Color.LogicOp
> == GL_COPY) &&
> > + !ctx->Depth.Test &&
> > + !ctx->Fog.Enabled &&
> > + !ctx->Stencil.Enabled &&
> > + !ctx->FragmentProgram.Enabled &&
> > + !ctx->VertexProgram.Enabled &&
> > + !ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] &&
> > + !_mesa_ati_fragment_shader_enabled(ctx) &&
> > + ctx->DrawBuffer->_NumColorDrawBuffers == 1)) &&
> > !ctx->Query.CondRenderQuery &&
> > !ctx->Query.CurrentOcclusionObject) {
> > struct st_renderbuffer *rbRead, *rbDraw;
> >
> > /*
> > * 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.
> > @@ -1555,22 +1555,32 @@ blit_copy_pixels(struct gl_context *ctx,
> GLint srcx, GLint srcy,
> > 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;
> >
> > drawW = readW;
> > drawH = readH;
> >
> > - rbRead = st_get_color_read_renderbuffer(ctx);
> > - rbDraw =
> st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
> > + if (type == GL_COLOR) {
> > + rbRead = st_get_color_read_renderbuffer(ctx);
> > + rbDraw =
> st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
> > + } else if (type == GL_DEPTH || type == GL_DEPTH_STENCIL) {
> > + rbRead =
> st_renderbuffer(ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Renderbuffer);
> > + rbDraw =
> st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer);
> > + } else if (type == GL_STENCIL) {
> > + rbRead =
> st_renderbuffer(ctx->ReadBuffer->Attachment[BUFFER_STENCIL].Renderbuffer);
> > + rbDraw =
> st_renderbuffer(ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer);
> > + } else {
> > + return false;
> > + }
> >
> > /* Flip src/dst position depending on the orientation of
> buffers. */
> > if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
> > readY = rbRead->Base.Height - readY;
> > readH = -readH;
> > }
> >
> > if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
> > /* We can't flip the destination for pipe->blit, so
> we only adjust
> > * its position and flip the source.
> > @@ -1597,23 +1607,31 @@ blit_copy_pixels(struct gl_context *ctx,
> GLint srcx, GLint srcy,
> > blit.src.box.depth = 1;
> > blit.dst.resource = rbDraw->texture;
> > blit.dst.level = rbDraw->surface->u.tex.level;
> > blit.dst.format = rbDraw->texture->format;
> > blit.dst.box.x = drawX;
> > blit.dst.box.y = drawY;
> > blit.dst.box.z = rbDraw->surface->u.tex.first_layer;
> > blit.dst.box.width = drawW;
> > blit.dst.box.height = drawH;
> > blit.dst.box.depth = 1;
> > - blit.mask = PIPE_MASK_RGBA;
> > blit.filter = PIPE_TEX_FILTER_NEAREST;
> >
> > + if (type == GL_COLOR)
> > + blit.mask |= PIPE_MASK_RGBA;
> > + if (type == GL_DEPTH)
> > + blit.mask |= PIPE_MASK_Z;
> > + if (type == GL_STENCIL)
> > + blit.mask |= PIPE_MASK_S;
> > + if (type == GL_DEPTH_STENCIL)
> > + blit.mask |= PIPE_MASK_ZS;
> > +
> > if (ctx->DrawBuffer != ctx->WinSysDrawBuffer)
> > st_window_rectangles_to_blit(ctx, &blit);
> >
> > if (screen->is_format_supported(screen, blit.src.format,
> > blit.src.resource->target,
> > blit.src.resource->nr_samples,
> > blit.src.resource->nr_storage_samples,
> > PIPE_BIND_SAMPLER_VIEW) &&
> > screen->is_format_supported(screen, blit.dst.format,
> > blit.dst.resource->target,
> > @@ -1650,36 +1668,36 @@ st_CopyPixels(struct gl_context *ctx,
> GLint srcx, GLint srcy,
> > GLint readX, readY, readW, readH;
> > struct gl_pixelstore_attrib pack = ctx->DefaultPacking;
> >
> > _mesa_update_draw_buffer_bounds(ctx, ctx->DrawBuffer);
> >
> > st_flush_bitmap_cache(st);
> > st_invalidate_readpix_cache(st);
> >
> > st_validate_state(st, ST_PIPELINE_META);
> >
> > + if (blit_copy_pixels(ctx, srcx, srcy, width, height, dstx,
> dsty, type))
> > + return;
> > +
> > if (type == GL_DEPTH_STENCIL) {
> > /* XXX make this more efficient */
> > st_CopyPixels(ctx, srcx, srcy, width, height, dstx,
> dsty, GL_STENCIL);
> > st_CopyPixels(ctx, srcx, srcy, width, height, dstx,
> dsty, GL_DEPTH);
> > return;
> > }
> >
> > 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.
> > */
> >
> > st_make_passthrough_vertex_shader(st);
> >
> > /*
>
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