#include "main/blend.h"
#include "main/samplerobj.h"
#include "main/texformat.h"
+#include "main/teximage.h"
#include "program/prog_parameter.h"
#include "intel_mipmap_tree.h"
/**
* Convert an swizzle enumeration (i.e. SWIZZLE_X) to one of the Gen7.5+
- * "Shader Channel Select" enumerations (i.e. HSW_SCS_RED)
+ * "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).
+ *
+ * We then may need to apply workarounds for textureGather hardware bugs.
*/
-unsigned
-brw_swizzle_to_scs(GLenum swizzle, bool need_green_to_blue)
+static unsigned
+swizzle_to_scs(GLenum swizzle, bool need_green_to_blue)
{
- switch (swizzle) {
- case SWIZZLE_X:
- return HSW_SCS_RED;
- case SWIZZLE_Y:
- return need_green_to_blue ? HSW_SCS_BLUE : HSW_SCS_GREEN;
- case SWIZZLE_Z:
- return HSW_SCS_BLUE;
- case SWIZZLE_W:
- return HSW_SCS_ALPHA;
- case SWIZZLE_ZERO:
- return HSW_SCS_ZERO;
- case SWIZZLE_ONE:
- return HSW_SCS_ONE;
- }
+ unsigned scs = (swizzle + 4) & 7;
- assert(!"Should not get here: invalid swizzle mode");
- return HSW_SCS_ZERO;
+ return (need_green_to_blue && scs == HSW_SCS_GREEN) ? HSW_SCS_BLUE : scs;
}
uint32_t
*
* "The MCS surface must be stored as Tile Y."
*/
- assert(mcs_mt->region->tiling == I915_TILING_Y);
+ assert(mcs_mt->tiling == I915_TILING_Y);
/* Compute the pitch in units of tiles. To do this we need to divide the
* pitch in bytes by 128, since a single Y-tile is 128 bytes wide.
*/
- unsigned pitch_tiles = mcs_mt->region->pitch / 128;
+ unsigned pitch_tiles = mcs_mt->pitch / 128;
/* The upper 20 bits of surface state DWORD 6 are the upper 20 bits of the
* GPU address of the MCS buffer; the lower 12 bits contain other control
* thus have their lower 12 bits zero), we can use an ordinary reloc to do
* the necessary address translation.
*/
- assert ((mcs_mt->region->bo->offset64 & 0xfff) == 0);
+ assert ((mcs_mt->bo->offset64 & 0xfff) == 0);
surf[6] = GEN7_SURFACE_MCS_ENABLE |
SET_FIELD(pitch_tiles - 1, GEN7_SURFACE_MCS_PITCH) |
- mcs_mt->region->bo->offset64;
+ mcs_mt->bo->offset64;
drm_intel_bo_emit_reloc(brw->batch.bo,
surf_offset + 6 * 4,
- mcs_mt->region->bo,
+ mcs_mt->bo,
surf[6] & 0xfff,
is_render_target ? I915_GEM_DOMAIN_RENDER
: I915_GEM_DOMAIN_SAMPLER,
unsigned surface_format,
unsigned buffer_size,
unsigned pitch,
- unsigned mocs,
bool rw)
{
uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
surf[1] = (bo ? bo->offset64 : 0) + buffer_offset; /* reloc */
surf[2] = SET_FIELD((buffer_size - 1) & 0x7f, GEN7_SURFACE_WIDTH) |
SET_FIELD(((buffer_size - 1) >> 7) & 0x3fff, GEN7_SURFACE_HEIGHT);
- surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH) |
- (pitch - 1);
+ if (surface_format == BRW_SURFACEFORMAT_RAW)
+ surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3ff, BRW_SURFACE_DEPTH);
+ else
+ surf[3] = SET_FIELD(((buffer_size - 1) >> 21) & 0x3f, BRW_SURFACE_DEPTH);
+ surf[3] |= (pitch - 1);
- surf[5] = SET_FIELD(mocs, GEN7_SURFACE_MOCS);
+ surf[5] = SET_FIELD(GEN7_MOCS_L3, GEN7_SURFACE_MOCS);
if (brw->is_haswell) {
surf[7] |= (SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
}
static void
-gen7_update_texture_surface(struct gl_context *ctx,
- unsigned unit,
- uint32_t *surf_offset,
- bool for_gather)
+gen7_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,
+ bool rw, bool for_gather)
{
- struct brw_context *brw = brw_context(ctx);
- struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
- struct intel_texture_object *intelObj = intel_texture_object(tObj);
- struct intel_mipmap_tree *mt = intelObj->mt;
- struct gl_texture_image *firstImage = tObj->Image[0][tObj->BaseLevel];
- struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
-
- if (tObj->Target == GL_TEXTURE_BUFFER) {
- brw_update_buffer_texture_surface(ctx, unit, surf_offset);
- return;
- }
-
+ const unsigned depth = max_layer - min_layer;
uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
8 * 4, 32, surf_offset);
- memset(surf, 0, 8 * 4);
- uint32_t tex_format = translate_tex_format(brw,
- mt->format,
- sampler->sRGBDecode);
-
- if (for_gather && tex_format == BRW_SURFACEFORMAT_R32G32_FLOAT)
- tex_format = BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+ memset(surf, 0, 8 * 4);
- surf[0] = translate_tex_target(tObj->Target) << BRW_SURFACE_TYPE_SHIFT |
- tex_format << BRW_SURFACE_FORMAT_SHIFT |
- gen7_surface_tiling_mode(mt->region->tiling);
+ surf[0] = translate_tex_target(target) << BRW_SURFACE_TYPE_SHIFT |
+ format << BRW_SURFACE_FORMAT_SHIFT |
+ gen7_surface_tiling_mode(mt->tiling);
/* mask of faces present in cube map; for other surfaces MBZ. */
- if (tObj->Target == GL_TEXTURE_CUBE_MAP || tObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY)
+ if (target == GL_TEXTURE_CUBE_MAP || target == GL_TEXTURE_CUBE_MAP_ARRAY)
surf[0] |= BRW_SURFACE_CUBEFACE_ENABLES;
if (mt->align_h == 4)
if (mt->align_w == 8)
surf[0] |= GEN7_SURFACE_HALIGN_8;
- if (mt->logical_depth0 > 1 && tObj->Target != GL_TEXTURE_3D)
+ if (_mesa_is_array_texture(target) || target == GL_TEXTURE_CUBE_MAP)
surf[0] |= GEN7_SURFACE_IS_ARRAY;
- if (mt->array_spacing_lod0)
+ if (mt->array_layout == ALL_SLICES_AT_EACH_LOD)
surf[0] |= GEN7_SURFACE_ARYSPC_LOD0;
- surf[1] = mt->region->bo->offset64 + mt->offset; /* reloc */
+ surf[1] = mt->bo->offset64 + mt->offset; /* reloc */
surf[2] = SET_FIELD(mt->logical_width0 - 1, GEN7_SURFACE_WIDTH) |
SET_FIELD(mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
- surf[3] = SET_FIELD(mt->logical_depth0 - 1, BRW_SURFACE_DEPTH) |
- (mt->region->pitch - 1);
- surf[4] = gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout);
+ surf[3] = SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) |
+ (mt->pitch - 1);
+
+ if (brw->is_haswell && _mesa_is_format_integer(mt->format))
+ surf[3] |= HSW_SURFACE_IS_INTEGER_FORMAT;
+
+ 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(GEN7_MOCS_L3, GEN7_SURFACE_MOCS) |
- SET_FIELD(tObj->BaseLevel - mt->first_level,
- GEN7_SURFACE_MIN_LOD) |
+ SET_FIELD(min_level - mt->first_level, GEN7_SURFACE_MIN_LOD) |
/* mip count */
- (intelObj->_MaxLevel - tObj->BaseLevel));
+ (max_level - min_level - 1));
- if (brw->is_haswell) {
- /* 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 = tObj->DepthMode == GL_ALPHA &&
- (firstImage->_BaseFormat == GL_DEPTH_COMPONENT ||
- firstImage->_BaseFormat == GL_DEPTH_STENCIL);
-
- const int swizzle = unlikely(alpha_depth)
- ? SWIZZLE_XYZW : brw_get_texture_swizzle(ctx, tObj);
+ surf[7] = mt->fast_clear_color_value;
- const bool need_scs_green_to_blue = for_gather && tex_format == BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+ if (brw->is_haswell) {
+ const bool need_scs_green_to_blue = for_gather && format == BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
- surf[7] =
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 0), need_scs_green_to_blue), GEN7_SURFACE_SCS_R) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 1), need_scs_green_to_blue), GEN7_SURFACE_SCS_G) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 2), need_scs_green_to_blue), GEN7_SURFACE_SCS_B) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 3), need_scs_green_to_blue), GEN7_SURFACE_SCS_A);
+ surf[7] |=
+ SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 0), need_scs_green_to_blue), GEN7_SURFACE_SCS_R) |
+ SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 1), need_scs_green_to_blue), GEN7_SURFACE_SCS_G) |
+ SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 2), need_scs_green_to_blue), GEN7_SURFACE_SCS_B) |
+ SET_FIELD(swizzle_to_scs(GET_SWZ(swizzle, 3), need_scs_green_to_blue), GEN7_SURFACE_SCS_A);
}
if (mt->mcs_mt) {
/* Emit relocation to surface contents */
drm_intel_bo_emit_reloc(brw->batch.bo,
*surf_offset + 4,
- mt->region->bo,
- surf[1] - mt->region->bo->offset64,
- I915_GEM_DOMAIN_SAMPLER, 0);
+ mt->bo,
+ surf[1] - mt->bo->offset64,
+ I915_GEM_DOMAIN_SAMPLER,
+ (rw ? I915_GEM_DOMAIN_SAMPLER : 0));
gen7_check_surface_setup(surf, false /* is_render_target */);
}
-/**
- * Create a raw surface for untyped R/W access.
- */
static void
-gen7_create_raw_surface(struct brw_context *brw, drm_intel_bo *bo,
- uint32_t offset, uint32_t size,
- uint32_t *out_offset, bool rw)
+gen7_update_texture_surface(struct gl_context *ctx,
+ unsigned unit,
+ uint32_t *surf_offset,
+ bool for_gather)
{
- gen7_emit_buffer_surface_state(brw,
- out_offset,
- bo,
- offset,
- BRW_SURFACEFORMAT_RAW,
- size,
- 1,
- 0 /* mocs */,
- true /* rw */);
+ 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 intel_texture_object *intel_obj = intel_texture_object(obj);
+ struct intel_mipmap_tree *mt = intel_obj->mt;
+ 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).
+ */
+ struct gl_texture_image *firstImage = obj->Image[0][obj->BaseLevel];
+ 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));
+
+ unsigned format = translate_tex_format(
+ brw, intel_obj->_Format, sampler->sRGBDecode);
+
+ if (for_gather && format == BRW_SURFACEFORMAT_R32G32_FLOAT)
+ format = BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
+
+ gen7_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, false, for_gather);
+ }
}
+/**
+ * Creates a null surface.
+ *
+ * This is used when the shader doesn't write to any color output. An FB
+ * write to target 0 will still be emitted, because that's how the thread is
+ * terminated (and computed depth is returned), so we need to have the
+ * hardware discard the target 0 color output..
+ */
static void
-gen7_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
+gen7_emit_null_surface_state(struct brw_context *brw,
+ unsigned width,
+ unsigned height,
+ unsigned samples,
+ uint32_t *out_offset)
{
/* From the Ivy bridge PRM, Vol4 Part1 p62 (Surface Type: Programming
* Notes):
* depth buffer’s corresponding state for all render target surfaces,
* including null.
*/
- struct gl_context *ctx = &brw->ctx;
-
- /* _NEW_BUFFERS */
- const struct gl_framebuffer *fb = ctx->DrawBuffer;
- uint32_t surf_index =
- brw->wm.prog_data->binding_table.render_target_start + unit;
-
uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32,
- &brw->wm.base.surf_offset[surf_index]);
+ out_offset);
memset(surf, 0, 8 * 4);
/* From the Ivybridge PRM, Volume 4, Part 1, page 65,
BRW_SURFACEFORMAT_B8G8R8A8_UNORM << BRW_SURFACE_FORMAT_SHIFT |
GEN7_SURFACE_TILING_Y;
- surf[2] = SET_FIELD(fb->Width - 1, GEN7_SURFACE_WIDTH) |
- SET_FIELD(fb->Height - 1, GEN7_SURFACE_HEIGHT);
+ surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
+ SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
gen7_check_surface_setup(surf, true /* is_render_target */);
}
* While it is only used for the front/back buffer currently, it should be
* usable for further buffers when doing ARB_draw_buffer support.
*/
-static void
+static uint32_t
gen7_update_renderbuffer_surface(struct brw_context *brw,
- struct gl_renderbuffer *rb,
- bool layered,
- unsigned int unit)
+ struct gl_renderbuffer *rb,
+ bool layered, unsigned unit /* unused */,
+ uint32_t surf_index)
{
struct gl_context *ctx = &brw->ctx;
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
- struct intel_region *region = irb->mt->region;
+ struct intel_mipmap_tree *mt = irb->mt;
uint32_t format;
/* _NEW_BUFFERS */
mesa_format rb_format = _mesa_get_render_format(ctx, intel_rb_format(irb));
uint32_t surftype;
bool is_array = false;
- int depth = MAX2(rb->Depth, 1);
- int min_array_element;
+ int depth = MAX2(irb->layer_count, 1);
const uint8_t mocs = GEN7_MOCS_L3;
+ uint32_t offset;
+
+ int min_array_element = irb->mt_layer / MAX2(mt->num_samples, 1);
+
GLenum gl_target = rb->TexImage ?
rb->TexImage->TexObject->Target : GL_TEXTURE_2D;
- uint32_t surf_index =
- brw->wm.prog_data->binding_table.render_target_start + unit;
-
uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 8 * 4, 32,
- &brw->wm.base.surf_offset[surf_index]);
+ &offset);
memset(surf, 0, 8 * 4);
intel_miptree_used_for_rendering(irb->mt);
format = brw->render_target_format[rb_format];
if (unlikely(!brw->format_supported_as_render_target[rb_format])) {
_mesa_problem(ctx, "%s: renderbuffer format %s unsupported\n",
- __FUNCTION__, _mesa_get_format_name(rb_format));
+ __func__, _mesa_get_format_name(rb_format));
}
switch (gl_target) {
is_array = true;
depth *= 6;
break;
+ case GL_TEXTURE_3D:
+ depth = MAX2(irb->mt->logical_depth0, 1);
+ /* fallthrough */
default:
surftype = translate_tex_target(gl_target);
is_array = _mesa_tex_target_is_array(gl_target);
break;
}
- if (layered) {
- min_array_element = 0;
- } else if (irb->mt->num_samples > 1) {
- min_array_element = irb->mt_layer / irb->mt->num_samples;
- } else {
- min_array_element = irb->mt_layer;
- }
-
surf[0] = surftype << BRW_SURFACE_TYPE_SHIFT |
format << BRW_SURFACE_FORMAT_SHIFT |
- (irb->mt->array_spacing_lod0 ? GEN7_SURFACE_ARYSPC_LOD0
- : GEN7_SURFACE_ARYSPC_FULL) |
- gen7_surface_tiling_mode(region->tiling);
+ (irb->mt->array_layout == ALL_SLICES_AT_EACH_LOD ?
+ GEN7_SURFACE_ARYSPC_LOD0 : GEN7_SURFACE_ARYSPC_FULL) |
+ gen7_surface_tiling_mode(mt->tiling);
if (irb->mt->align_h == 4)
surf[0] |= GEN7_SURFACE_VALIGN_4;
surf[0] |= GEN7_SURFACE_IS_ARRAY;
}
- surf[1] = region->bo->offset64;
+ assert(mt->offset % mt->cpp == 0);
+ surf[1] = mt->bo->offset64 + mt->offset;
assert(brw->has_surface_tile_offset);
SET_FIELD(irb->mt->logical_height0 - 1, GEN7_SURFACE_HEIGHT);
surf[3] = ((depth - 1) << BRW_SURFACE_DEPTH_SHIFT) |
- (region->pitch - 1);
+ (mt->pitch - 1);
surf[4] = gen7_surface_msaa_bits(irb->mt->num_samples, irb->mt->msaa_layout) |
min_array_element << GEN7_SURFACE_MIN_ARRAY_ELEMENT_SHIFT |
(depth - 1) << GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT_SHIFT;
if (irb->mt->mcs_mt) {
- gen7_set_surface_mcs_info(brw, surf, brw->wm.base.surf_offset[surf_index],
+ gen7_set_surface_mcs_info(brw, surf, offset,
irb->mt->mcs_mt, true /* is RT */);
}
}
drm_intel_bo_emit_reloc(brw->batch.bo,
- brw->wm.base.surf_offset[surf_index] + 4,
- region->bo,
- surf[1] - region->bo->offset64,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER);
+ offset + 4,
+ mt->bo,
+ surf[1] - mt->bo->offset64,
+ I915_GEM_DOMAIN_RENDER,
+ I915_GEM_DOMAIN_RENDER);
gen7_check_surface_setup(surf, true /* is_render_target */);
+
+ return offset;
}
void
{
brw->vtbl.update_texture_surface = gen7_update_texture_surface;
brw->vtbl.update_renderbuffer_surface = gen7_update_renderbuffer_surface;
- brw->vtbl.update_null_renderbuffer_surface =
- gen7_update_null_renderbuffer_surface;
- brw->vtbl.create_raw_surface = gen7_create_raw_surface;
+ brw->vtbl.emit_null_surface_state = gen7_emit_null_surface_state;
+ brw->vtbl.emit_texture_surface_state = gen7_emit_texture_surface_state;
brw->vtbl.emit_buffer_surface_state = gen7_emit_buffer_surface_state;
}