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freedreno/a4xx: add stencil texturing support

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Copied from a5xx, should be identical.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Ilia Mirkin 2017-11-19 15:13:41 -05:00
parent 86f12e9377
commit ffdcd51e66
4 changed files with 38 additions and 15 deletions
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6
docs/features.txt
View File

@ -180,7 +180,7 @@ GL 4.3, GLSL 4.30 -- all DONE: i965/gen8+, nvc0, radeonsi
GL_ARB_robust_buffer_access_behavior DONE (i965)
GL_ARB_shader_image_size DONE (freedreno/a5xx, i965, r600, softpipe)
GL_ARB_shader_storage_buffer_object DONE (freedreno/a5xx, i965, softpipe)
GL_ARB_stencil_texturing DONE (freedreno/a5xx, i965/hsw+, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_stencil_texturing DONE (freedreno, i965/hsw+, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_texture_buffer_range DONE (freedreno, nv50, i965, r600, llvmpipe)
GL_ARB_texture_query_levels DONE (all drivers that support GLSL 1.30)
GL_ARB_texture_storage_multisample DONE (all drivers that support GL_ARB_texture_multisample)
@ -203,7 +203,7 @@ GL 4.4, GLSL 4.40 -- all DONE: i965/gen8+, nvc0, radeonsi
GL_ARB_multi_bind DONE (all drivers)
GL_ARB_query_buffer_object DONE (i965/hsw+)
GL_ARB_texture_mirror_clamp_to_edge DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_texture_stencil8 DONE (freedreno/a5xx, i965/hsw+, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_texture_stencil8 DONE (freedreno, i965/hsw+, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_vertex_type_10f_11f_11f_rev DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
GL 4.5, GLSL 4.50 -- all DONE: nvc0, radeonsi
@ -252,7 +252,7 @@ GLES3.1, GLSL ES 3.1 -- all DONE: i965/hsw+, nvc0, radeonsi
GL_ARB_shader_storage_buffer_object DONE (freedreno/a5xx, i965/gen7+, softpipe)
GL_ARB_shading_language_packing DONE (all drivers)
GL_ARB_separate_shader_objects DONE (all drivers)
GL_ARB_stencil_texturing DONE (freedreno/a5xx, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_stencil_texturing DONE (freedreno, nv50, r600, llvmpipe, softpipe, swr)
GL_ARB_texture_multisample (Multisample textures) DONE (i965/gen7+, nv50, r600, llvmpipe, softpipe)
GL_ARB_texture_storage_multisample DONE (all drivers that support GL_ARB_texture_multisample)
GL_ARB_vertex_attrib_binding DONE (all drivers)

2
src/gallium/drivers/freedreno/a4xx/fd4_emit.c
View File

@ -190,6 +190,8 @@ emit_textures(struct fd_context *ctx, struct fd_ringbuffer *ring,
OUT_RING(ring, view->texconst3);
if (view->base.texture) {
struct fd_resource *rsc = fd_resource(view->base.texture);
if (view->base.format == PIPE_FORMAT_X32_S8X24_UINT)
rsc = rsc->stencil;
OUT_RELOC(ring, rsc->bo, view->offset, view->texconst4, 0);
} else {
OUT_RING(ring, 0x00000000);

11
src/gallium/drivers/freedreno/a4xx/fd4_format.c
View File

@ -211,10 +211,13 @@ static struct fd4_format formats[PIPE_FORMAT_COUNT] = {
VT(R11G11B10_FLOAT, 11_11_10_FLOAT, R11G11B10_FLOAT, WZYX),
_T(R9G9B9E5_FLOAT, 9_9_9_E5_FLOAT, NONE, WZYX),
_T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT_S8X24_UINT, 32_FLOAT,R8G8B8A8_UNORM, WZYX),
_T(Z16_UNORM, 16_UNORM, R8G8_UNORM, WZYX),
_T(Z24X8_UNORM, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(X24S8_UINT, 8_8_8_8_UINT, R8G8B8A8_UINT, XYZW),
_T(Z24_UNORM_S8_UINT, X8Z24_UNORM, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
_T(Z32_FLOAT_S8X24_UINT, 32_FLOAT, R8G8B8A8_UNORM, WZYX),
_T(X32_S8X24_UINT, 8_UINT, R8_UINT, WZYX),
/* 48-bit */
V_(R16G16B16_UNORM, 16_16_16_UNORM, NONE, WZYX),

34
src/gallium/drivers/freedreno/a4xx/fd4_texture.c
View File

@ -224,12 +224,18 @@ fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
{
struct fd4_pipe_sampler_view *so = CALLOC_STRUCT(fd4_pipe_sampler_view);
struct fd_resource *rsc = fd_resource(prsc);
enum pipe_format format = cso->format;
unsigned lvl, layers;
uint32_t sz2 = 0;
if (!so)
return NULL;
if (format == PIPE_FORMAT_X32_S8X24_UINT) {
rsc = rsc->stencil;
format = rsc->base.b.format;
}
so->base = *cso;
pipe_reference(NULL, &prsc->reference);
so->base.texture = prsc;
@ -238,25 +244,25 @@ fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
so->texconst0 =
A4XX_TEX_CONST_0_TYPE(tex_type(cso->target)) |
A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(cso->format)) |
fd4_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(format)) |
fd4_tex_swiz(format, cso->swizzle_r, cso->swizzle_g,
cso->swizzle_b, cso->swizzle_a);
if (util_format_is_srgb(cso->format)) {
if (use_astc_srgb_workaround(pctx, cso->format))
if (util_format_is_srgb(format)) {
if (use_astc_srgb_workaround(pctx, format))
so->astc_srgb = true;
so->texconst0 |= A4XX_TEX_CONST_0_SRGB;
}
if (cso->target == PIPE_BUFFER) {
unsigned elements = cso->u.buf.size / util_format_get_blocksize(cso->format);
unsigned elements = cso->u.buf.size / util_format_get_blocksize(format);
lvl = 0;
so->texconst1 =
A4XX_TEX_CONST_1_WIDTH(elements) |
A4XX_TEX_CONST_1_HEIGHT(1);
so->texconst2 =
A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(cso->format)) |
A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(format)) |
A4XX_TEX_CONST_2_PITCH(elements * rsc->cpp);
so->offset = cso->u.buf.offset;
} else {
@ -271,13 +277,25 @@ fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
A4XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) |
A4XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl));
so->texconst2 =
A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(cso->format)) |
A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(format)) |
A4XX_TEX_CONST_2_PITCH(
util_format_get_nblocksx(
cso->format, rsc->slices[lvl].pitch) * rsc->cpp);
format, rsc->slices[lvl].pitch) * rsc->cpp);
so->offset = fd_resource_offset(rsc, lvl, cso->u.tex.first_layer);
}
/* NOTE: since we sample z24s8 using 8888_UINT format, the swizzle
* we get isn't quite right. Use SWAP(XYZW) as a cheap and cheerful
* way to re-arrange things so stencil component is where the swiz
* expects.
*
* Note that gallium expects stencil sampler to return (s,s,s,s)
* which isn't quite true. To make that happen we'd have to massage
* the swizzle. But in practice only the .x component is used.
*/
if (format == PIPE_FORMAT_X24S8_UINT)
so->texconst2 |= A4XX_TEX_CONST_2_SWAP(XYZW);
switch (cso->target) {
case PIPE_TEXTURE_1D_ARRAY:
case PIPE_TEXTURE_2D_ARRAY: