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panfrost: Use get_texture_address for framebuffer computations

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Allows for sharing some code as well as theoretically allowing cubemap
rendering.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-06-21 17:23:49 -07:00
parent 3609b50a64
commit 65bc56b568
4 changed files with 28 additions and 25 deletions
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19
src/gallium/drivers/panfrost/pan_context.c
View file

@ -826,25 +826,6 @@ panfrost_upload_sampler_descriptors(struct panfrost_context *ctx)
}
}
/* Computes the address to a texture at a particular slice */
static mali_ptr
panfrost_get_texture_address(
struct panfrost_resource *rsrc,
unsigned level, unsigned face)
{
unsigned level_offset = rsrc->bo->slices[level].offset;
unsigned face_offset = face * rsrc->bo->cubemap_stride;
/* Lower-bit is set when sampling from colour AFBC */
bool is_afbc = rsrc->bo->layout == PAN_AFBC;
bool is_zs = rsrc->base.bind & PIPE_BIND_DEPTH_STENCIL;
unsigned afbc_bit = (is_afbc && !is_zs) ? 1 : 0;
return rsrc->bo->gpu + level_offset + face_offset + afbc_bit;
}
static mali_ptr
panfrost_upload_tex(
struct panfrost_context *ctx,

11
src/gallium/drivers/panfrost/pan_mfbd.c
View file

@ -94,10 +94,10 @@ panfrost_mfbd_set_cbuf(
struct panfrost_resource *rsrc = pan_resource(surf->texture);
unsigned level = surf->u.tex.level;
assert(surf->u.tex.first_layer == 0);
unsigned first_layer = surf->u.tex.first_layer;
int stride = rsrc->bo->slices[level].stride;
unsigned offset = rsrc->bo->slices[level].offset;
mali_ptr base = panfrost_get_texture_address(rsrc, level, first_layer);
rt->format = panfrost_mfbd_format(surf);
@ -105,16 +105,15 @@ panfrost_mfbd_set_cbuf(
if (rsrc->bo->layout == PAN_LINEAR) {
rt->format.block = MALI_MFBD_BLOCK_LINEAR;
rt->framebuffer = rsrc->bo->gpu + offset;
rt->framebuffer = base;
rt->framebuffer_stride = stride / 16;
} else if (rsrc->bo->layout == PAN_TILED) {
rt->format.block = MALI_MFBD_BLOCK_TILED;
rt->framebuffer = rsrc->bo->gpu + offset;
rt->framebuffer = base;
rt->framebuffer_stride = stride;
} else if (rsrc->bo->layout == PAN_AFBC) {
rt->format.block = MALI_MFBD_BLOCK_AFBC;
mali_ptr base = rsrc->bo->gpu + offset;
unsigned header_size = rsrc->bo->slices[level].header_size;
rt->framebuffer = base + header_size;

18
src/gallium/drivers/panfrost/pan_resource.c
View file

@ -718,6 +718,24 @@ panfrost_generate_mipmap(
return blit_res;
}
/* Computes the address to a texture at a particular slice */
mali_ptr
panfrost_get_texture_address(
struct panfrost_resource *rsrc,
unsigned level, unsigned face)
{
unsigned level_offset = rsrc->bo->slices[level].offset;
unsigned face_offset = face * rsrc->bo->cubemap_stride;
/* Lower-bit is set when sampling from colour AFBC */
bool is_afbc = rsrc->bo->layout == PAN_AFBC;
bool is_zs = rsrc->base.bind & PIPE_BIND_DEPTH_STENCIL;
unsigned afbc_bit = (is_afbc && !is_zs) ? 1 : 0;
return rsrc->bo->gpu + level_offset + face_offset + afbc_bit;
}
static void
panfrost_resource_set_stencil(struct pipe_resource *prsrc,
struct pipe_resource *stencil)

5
src/gallium/drivers/panfrost/pan_resource.h
View file

@ -120,6 +120,11 @@ pan_transfer(struct pipe_transfer *p)
return (struct panfrost_gtransfer *)p;
}
mali_ptr
panfrost_get_texture_address(
struct panfrost_resource *rsrc,
unsigned level, unsigned face);
void panfrost_resource_screen_init(struct panfrost_screen *screen);
void panfrost_resource_screen_deinit(struct panfrost_screen *screen);