OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

i965/gen8: Use the generic ISL-based path for texture surfaces

Browse Source 
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
This commit is contained in:
Jason Ekstrand
2016-06-06 20:31:38 -07:00
parent 09b5a71517
commit 7e951cd562
1 changed files with 1 additions and 213 deletions
Download Patch File Download Diff File Expand all files Collapse all files

214
src/mesa/drivers/dri/i965/gen8_surface_state.c
View File

@@ -42,23 +42,6 @@
#include "brw_wm.h"
#include "isl/isl.h"
/**
* Convert an swizzle enumeration (i.e. SWIZZLE_X) to one of the Gen7.5+
* "Shader Channel Select" enumerations (i.e. HSW_SCS_RED). The mappings are
*
* SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_ZERO, SWIZZLE_ONE
* 0 1 2 3 4 5
* 4 5 6 7 0 1
* SCS_RED, SCS_GREEN, SCS_BLUE, SCS_ALPHA, SCS_ZERO, SCS_ONE
*
* which is simply adding 4 then modding by 8 (or anding with 7).
*/
static unsigned
swizzle_to_scs(unsigned swizzle)
{
return (swizzle + 4) & 7;
}
static uint32_t
surface_tiling_resource_mode(uint32_t tr_mode)
{
@@ -224,200 +207,6 @@ gen8_get_aux_mode(const struct brw_context *brw,
return GEN8_SURFACE_AUX_MODE_MCS;
}
static void
gen8_emit_texture_surface_state(struct brw_context *brw,
struct intel_mipmap_tree *mt,
GLenum target,
unsigned min_layer, unsigned max_layer,
unsigned min_level, unsigned max_level,
unsigned format,
unsigned swizzle,
uint32_t *surf_offset, int surf_index,
bool rw, bool for_gather)
{
const unsigned depth = max_layer - min_layer;
struct intel_mipmap_tree *aux_mt = mt->mcs_mt;
uint32_t mocs_wb = brw->gen >= 9 ? SKL_MOCS_WB : BDW_MOCS_WB;
unsigned tiling_mode, pitch;
const unsigned tr_mode = surface_tiling_resource_mode(mt->tr_mode);
const uint32_t surf_type = translate_tex_target(target);
uint32_t aux_mode = gen8_get_aux_mode(brw, mt);
if (mt->format == MESA_FORMAT_S_UINT8) {
tiling_mode = GEN8_SURFACE_TILING_W;
pitch = 2 * mt->pitch;
} else {
tiling_mode = gen8_surface_tiling_mode(mt->tiling);
pitch = mt->pitch;
}
/* Prior to Gen9, MCS is not uploaded for single-sampled surfaces because
* the color buffer should always have been resolved before it is used as
* a texture so there is no need for it. On Gen9 it will be uploaded when
* the surface is losslessly compressed (CCS_E).
* However, sampling engine is not capable of re-interpreting the
* underlying color buffer in non-compressible formats when the surface
* is configured as compressed. Therefore state upload has made sure the
* buffer is in resolved state allowing the surface to be configured as
* non-compressed.
*/
if (mt->num_samples <= 1 &&
(aux_mode != GEN9_SURFACE_AUX_MODE_CCS_E ||
!isl_format_supports_lossless_compression(
brw->intelScreen->devinfo, format))) {
assert(!mt->mcs_mt ||
mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_RESOLVED);
aux_mt = NULL;
aux_mode = GEN8_SURFACE_AUX_MODE_NONE;
}
uint32_t *surf = gen8_allocate_surface_state(brw, surf_offset, surf_index);
surf[0] = SET_FIELD(surf_type, BRW_SURFACE_TYPE) |
format << BRW_SURFACE_FORMAT_SHIFT |
gen8_vertical_alignment(brw, mt, surf_type) |
gen8_horizontal_alignment(brw, mt, surf_type) |
tiling_mode;
if (surf_type == BRW_SURFACE_CUBE) {
surf[0] |= BRW_SURFACE_CUBEFACE_ENABLES;
}
/* From the CHV PRM, Volume 2d, page 321 (RENDER_SURFACE_STATE dword 0
* bit 9 "Sampler L2 Bypass Mode Disable" Programming Notes):
*
* This bit must be set for the following surface types: BC2_UNORM
* BC3_UNORM BC5_UNORM BC5_SNORM BC7_UNORM
*/
if ((brw->gen >= 9 || brw->is_cherryview) &&
(format == BRW_SURFACEFORMAT_BC2_UNORM ||
format == BRW_SURFACEFORMAT_BC3_UNORM ||
format == BRW_SURFACEFORMAT_BC5_UNORM ||
format == BRW_SURFACEFORMAT_BC5_SNORM ||
format == BRW_SURFACEFORMAT_BC7_UNORM))
surf[0] |= GEN8_SURFACE_SAMPLER_L2_BYPASS_DISABLE;
if (mt->target != GL_TEXTURE_3D)
surf[0] |= GEN8_SURFACE_IS_ARRAY;
surf[1] = SET_FIELD(mocs_wb, GEN8_SURFACE_MOCS) | mt->qpitch >> 2;
surf[2] = SET_FIELD(mt->logical_width0 - 1, GEN7_SURFACE_WIDTH) |
SET_FIELD(mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
surf[3] = SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) | (pitch - 1);
surf[4] = gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout) |
SET_FIELD(min_layer, GEN7_SURFACE_MIN_ARRAY_ELEMENT) |
SET_FIELD(depth - 1, GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT);
surf[5] = SET_FIELD(min_level - mt->first_level, GEN7_SURFACE_MIN_LOD) |
(max_level - min_level - 1); /* mip count */
if (brw->gen >= 9) {
surf[5] |= SET_FIELD(tr_mode, GEN9_SURFACE_TRMODE);
/* Disable Mip Tail by setting a large value. */
surf[5] |= SET_FIELD(15, GEN9_SURFACE_MIP_TAIL_START_LOD);
}
if (aux_mt) {
uint32_t tile_w, tile_h;
assert(aux_mt->tiling == I915_TILING_Y);
intel_get_tile_dims(aux_mt->tiling, aux_mt->tr_mode,
aux_mt->cpp, &tile_w, &tile_h);
surf[6] = SET_FIELD(aux_mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
SET_FIELD((aux_mt->pitch / tile_w) - 1,
GEN8_SURFACE_AUX_PITCH) |
aux_mode;
}
gen8_emit_fast_clear_color(brw, mt, surf);
surf[7] |=
SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 0)), GEN7_SURFACE_SCS_R) |
SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 1)), GEN7_SURFACE_SCS_G) |
SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 2)), GEN7_SURFACE_SCS_B) |
SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 3)), GEN7_SURFACE_SCS_A);
*((uint64_t *) &surf[8]) = mt->bo->offset64 + mt->offset; /* reloc */
if (aux_mt) {
*((uint64_t *) &surf[10]) = aux_mt->bo->offset64;
drm_intel_bo_emit_reloc(brw->batch.bo, *surf_offset + 10 * 4,
aux_mt->bo, 0,
I915_GEM_DOMAIN_SAMPLER,
(rw ? I915_GEM_DOMAIN_SAMPLER : 0));
}
/* Emit relocation to surface contents */
drm_intel_bo_emit_reloc(brw->batch.bo,
*surf_offset + 8 * 4,
mt->bo,
mt->offset,
I915_GEM_DOMAIN_SAMPLER,
(rw ? I915_GEM_DOMAIN_SAMPLER : 0));
}
static void
gen8_update_texture_surface(struct gl_context *ctx,
unsigned unit,
uint32_t *surf_offset,
bool for_gather,
uint32_t plane)
{
struct brw_context *brw = brw_context(ctx);
struct gl_texture_object *obj = ctx->Texture.Unit[unit]._Current;
if (obj->Target == GL_TEXTURE_BUFFER) {
brw_update_buffer_texture_surface(ctx, unit, surf_offset);
} else {
struct gl_texture_image *firstImage = obj->Image[0][obj->BaseLevel];
struct intel_texture_object *intel_obj = intel_texture_object(obj);
struct intel_mipmap_tree *mt = intel_obj->mt;
if (plane > 0) {
if (mt->plane[plane - 1] == NULL)
return;
mt = mt->plane[plane - 1];
}
struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
/* If this is a view with restricted NumLayers, then our effective depth
* is not just the miptree depth.
*/
const unsigned depth = (obj->Immutable && obj->Target != GL_TEXTURE_3D ?
obj->NumLayers : mt->logical_depth0);
/* Handling GL_ALPHA as a surface format override breaks 1.30+ style
* texturing functions that return a float, as our code generation always
* selects the .x channel (which would always be 0).
*/
const bool alpha_depth = obj->DepthMode == GL_ALPHA &&
(firstImage->_BaseFormat == GL_DEPTH_COMPONENT ||
firstImage->_BaseFormat == GL_DEPTH_STENCIL);
const unsigned swizzle = (unlikely(alpha_depth) ? SWIZZLE_XYZW :
brw_get_texture_swizzle(&brw->ctx, obj));
mesa_format mesa_fmt = plane == 0 ? intel_obj->_Format : mt->format;
unsigned format = translate_tex_format(brw, mesa_fmt,
sampler->sRGBDecode);
if (obj->StencilSampling && firstImage->_BaseFormat == GL_DEPTH_STENCIL) {
mt = mt->stencil_mt;
format = BRW_SURFACEFORMAT_R8_UINT;
}
const int surf_index = surf_offset - &brw->wm.base.surf_offset[0];
gen8_emit_texture_surface_state(brw, mt, obj->Target,
obj->MinLayer, obj->MinLayer + depth,
obj->MinLevel + obj->BaseLevel,
obj->MinLevel + intel_obj->_MaxLevel + 1,
format, swizzle, surf_offset,
surf_index, false, for_gather);
}
}
/**
* Creates a null surface.
*
@@ -576,9 +365,8 @@ gen8_update_renderbuffer_surface(struct brw_context *brw,
void
gen8_init_vtable_surface_functions(struct brw_context *brw)
{
brw->vtbl.update_texture_surface = gen8_update_texture_surface;
brw->vtbl.update_texture_surface = brw_update_texture_surface;
brw->vtbl.update_renderbuffer_surface = gen8_update_renderbuffer_surface;
brw->vtbl.emit_null_surface_state = gen8_emit_null_surface_state;
brw->vtbl.emit_texture_surface_state = gen8_emit_texture_surface_state;
brw->vtbl.emit_buffer_surface_state = gen8_emit_buffer_surface_state;
}