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panfrost/mfbd: Unify depth-only with masked FBO path 

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-18 11:09:19 -07:00
parent 629c7366a7
commit f475b79980
1 changed files with 24 additions and 22 deletions
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46
src/gallium/drivers/panfrost/pan_mfbd.c
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@ -401,39 +401,41 @@ panfrost_mfbd_fragment(struct panfrost_context *ctx, bool has_draws)
/* TODO: MRT clear */
panfrost_mfbd_clear(job, &fb, &fbx, rts, fb.rt_count_2);
for (int cb = 0; cb < ctx->pipe_framebuffer.nr_cbufs; ++cb) {
/* We always upload at least one dummy GL_NONE render target */
unsigned rt_descriptors =
MAX2(ctx->pipe_framebuffer.nr_cbufs, 1);
/* Upload either the render target or a dummy GL_NONE target */
for (int cb = 0; cb < rt_descriptors; ++cb) {
struct pipe_surface *surf = ctx->pipe_framebuffer.cbufs[cb];
if (!surf)
continue;
if (surf) {
panfrost_mfbd_set_cbuf(&rts[cb], surf);
unsigned bpp = util_format_get_blocksize(surf->format);
/* What is this? Looks like some extension of the bpp
* field. Maybe it establishes how much internal
* tilebuffer space is reserved? */
panfrost_mfbd_set_cbuf(&rts[cb], surf);
unsigned bpp = util_format_get_blocksize(surf->format);
fb.rt_count_2 = MAX2(fb.rt_count_2, ALIGN_POT(bpp, 4) / 4);
} else {
struct mali_rt_format null_rt = {
.unk1 = 0x4000000,
.unk4 = 0x8
};
/* What is this? Looks like some extension of the bpp field.
* Maybe it establishes how much internal tilebuffer space is
* reserved? */
fb.rt_count_2 = MAX2(fb.rt_count_2, ALIGN_POT(bpp, 4) / 4);
rts[cb].format = null_rt;
rts[cb].framebuffer = 0;
rts[cb].framebuffer_stride = 0;
}
}
if (ctx->pipe_framebuffer.zsbuf) {
panfrost_mfbd_set_zsbuf(&fb, &fbx, ctx->pipe_framebuffer.zsbuf);
}
/* For the special case of a depth-only FBO, we need to attach a dummy render target */
if (ctx->pipe_framebuffer.nr_cbufs == 0) {
struct mali_rt_format null_rt = {
.unk1 = 0x4000000,
.unk4 = 0x8
};
rts[0].format = null_rt;
rts[0].framebuffer = 0;
rts[0].framebuffer_stride = 0;
}
/* When scanning out, the depth buffer is immediately invalidated, so
* we don't need to waste bandwidth writing it out. This can improve
* performance substantially (Z32_UNORM 1080p @ 60fps is 475 MB/s of