#include "main/mtypes.h"
#include "main/samplerobj.h"
#include "main/texformat.h"
+#include "main/teximage.h"
#include "program/prog_parameter.h"
+#include "program/prog_instruction.h"
#include "intel_mipmap_tree.h"
#include "intel_batchbuffer.h"
#include "intel_tex.h"
#include "intel_fbo.h"
#include "intel_buffer_objects.h"
+#include "intel_image.h"
#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
#include "brw_wm.h"
+#include "isl/isl.h"
-static uint32_t
-surface_tiling_mode(uint32_t tiling)
+static uint32_t *
+gen8_allocate_surface_state(struct brw_context *brw, uint32_t *out_offset)
{
- switch (tiling) {
- case I915_TILING_X:
- return GEN8_SURFACE_TILING_X;
- case I915_TILING_Y:
- return GEN8_SURFACE_TILING_Y;
- default:
- return GEN8_SURFACE_TILING_NONE;
- }
-}
-
-static unsigned
-vertical_alignment(struct intel_mipmap_tree *mt)
-{
- switch (mt->align_h) {
- case 4:
- return GEN8_SURFACE_VALIGN_4;
- case 8:
- return GEN8_SURFACE_VALIGN_8;
- case 16:
- return GEN8_SURFACE_VALIGN_16;
- default:
- unreachable("Unsupported vertical surface alignment.");
- }
-}
-
-static unsigned
-horizontal_alignment(struct intel_mipmap_tree *mt)
-{
- switch (mt->align_w) {
- case 4:
- return GEN8_SURFACE_HALIGN_4;
- case 8:
- return GEN8_SURFACE_HALIGN_8;
- case 16:
- return GEN8_SURFACE_HALIGN_16;
- default:
- unreachable("Unsupported horizontal surface alignment.");
- }
-}
-
-static void
-gen8_emit_buffer_surface_state(struct brw_context *brw,
- uint32_t *out_offset,
- drm_intel_bo *bo,
- unsigned buffer_offset,
- unsigned surface_format,
- unsigned buffer_size,
- unsigned pitch,
- unsigned mocs,
- bool rw)
-{
- uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
- 13 * 4, 64, out_offset);
- memset(surf, 0, 13 * 4);
-
- surf[0] = BRW_SURFACE_BUFFER << BRW_SURFACE_TYPE_SHIFT |
- surface_format << BRW_SURFACE_FORMAT_SHIFT |
- BRW_SURFACE_RC_READ_WRITE;
- surf[1] = SET_FIELD(mocs, GEN8_SURFACE_MOCS);
-
- 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);
- surf[7] = SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
- SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
- SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
- SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A);
- /* reloc */
- *((uint64_t *) &surf[8]) = (bo ? bo->offset64 : 0) + buffer_offset;
-
- /* Emit relocation to surface contents. */
- if (bo) {
- drm_intel_bo_emit_reloc(brw->batch.bo, *out_offset + 8 * 4,
- bo, buffer_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)
-{
- 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);
- struct intel_mipmap_tree *aux_mt = NULL;
- uint32_t aux_mode = 0;
- mesa_format format = intelObj->_Format;
-
- if (tObj->Target == GL_TEXTURE_BUFFER) {
- brw_update_buffer_texture_surface(ctx, unit, surf_offset);
- return;
- }
-
- if (tObj->StencilSampling && firstImage->_BaseFormat == GL_DEPTH_STENCIL) {
- mt = mt->stencil_mt;
- format = MESA_FORMAT_S_UINT8;
- }
-
- unsigned tiling_mode, pitch;
- if (format == MESA_FORMAT_S_UINT8) {
- tiling_mode = GEN8_SURFACE_TILING_W;
- pitch = 2 * mt->pitch;
- } else {
- tiling_mode = surface_tiling_mode(mt->tiling);
- pitch = mt->pitch;
- }
-
- if (mt->mcs_mt) {
- aux_mt = mt->mcs_mt;
- aux_mode = GEN8_SURFACE_AUX_MODE_MCS;
- }
-
- /* If this is a view with restricted NumLayers, then our effective depth
- * is not just the miptree depth.
- */
- uint32_t effective_depth =
- (tObj->Immutable && tObj->Target != GL_TEXTURE_3D) ? tObj->NumLayers
- : mt->logical_depth0;
-
- uint32_t tex_format = translate_tex_format(brw, format, sampler->sRGBDecode);
-
- uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
- 13 * 4, 64, surf_offset);
-
- surf[0] = translate_tex_target(tObj->Target) << BRW_SURFACE_TYPE_SHIFT |
- tex_format << BRW_SURFACE_FORMAT_SHIFT |
- vertical_alignment(mt) |
- horizontal_alignment(mt) |
- tiling_mode;
-
- if (tObj->Target == GL_TEXTURE_CUBE_MAP ||
- tObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
- surf[0] |= BRW_SURFACE_CUBEFACE_ENABLES;
- }
-
- if (mt->logical_depth0 > 1 && tObj->Target != GL_TEXTURE_3D)
- surf[0] |= GEN8_SURFACE_IS_ARRAY;
-
- surf[1] = SET_FIELD(BDW_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(effective_depth - 1, BRW_SURFACE_DEPTH) | (pitch - 1);
-
- surf[4] = gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout) |
- SET_FIELD(tObj->MinLayer, GEN7_SURFACE_MIN_ARRAY_ELEMENT) |
- SET_FIELD(effective_depth - 1,
- GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT);
-
- surf[5] = SET_FIELD(tObj->MinLevel + tObj->BaseLevel - mt->first_level,
- GEN7_SURFACE_MIN_LOD) |
- (intelObj->_MaxLevel - tObj->BaseLevel); /* mip count */
-
- if (aux_mt) {
- surf[6] = SET_FIELD(mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
- SET_FIELD((aux_mt->pitch / 128) - 1, GEN8_SURFACE_AUX_PITCH) |
- aux_mode;
- } else {
- surf[6] = 0;
- }
-
- /* 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);
-
- surf[7] = mt->fast_clear_color_value;
-
- const int swizzle =
- unlikely(alpha_depth) ? SWIZZLE_XYZW : brw_get_texture_swizzle(ctx, tObj);
- surf[7] |=
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 0), false), GEN7_SURFACE_SCS_R) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 1), false), GEN7_SURFACE_SCS_G) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 2), false), GEN7_SURFACE_SCS_B) |
- SET_FIELD(brw_swizzle_to_scs(GET_SWZ(swizzle, 3), false), 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, 0);
- } else {
- surf[10] = 0;
- surf[11] = 0;
- }
- surf[12] = 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, 0);
-}
-
-static void
-gen8_create_raw_surface(struct brw_context *brw, drm_intel_bo *bo,
- uint32_t offset, uint32_t size,
- uint32_t *out_offset, bool rw)
-{
- gen8_emit_buffer_surface_state(brw,
- out_offset,
- bo,
- offset,
- BRW_SURFACEFORMAT_RAW,
- size,
- 1,
- 0 /* mocs */,
- true /* rw */);
+ uint32_t *surf = brw_state_batch(brw, 64, 64, out_offset);
+ memset(surf, 0, 64);
+ return surf;
}
/**
- * Create the constant buffer surface. Vertex/fragment shader constants will be
- * read from this buffer with Data Port Read instructions/messages.
+ * 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
-gen8_update_null_renderbuffer_surface(struct brw_context *brw, unsigned unit)
+gen8_emit_null_surface_state(struct brw_context *brw,
+ unsigned width,
+ unsigned height,
+ unsigned samples,
+ uint32_t *out_offset)
{
- 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, 13 * 4, 64,
- &brw->wm.base.surf_offset[surf_index]);
- memset(surf, 0, 13 * 4);
+ uint32_t *surf = gen8_allocate_surface_state(brw, out_offset);
surf[0] = BRW_SURFACE_NULL << BRW_SURFACE_TYPE_SHIFT |
- BRW_SURFACEFORMAT_B8G8R8A8_UNORM << BRW_SURFACE_FORMAT_SHIFT |
+ ISL_FORMAT_B8G8R8A8_UNORM << BRW_SURFACE_FORMAT_SHIFT |
GEN8_SURFACE_TILING_Y;
- surf[2] = SET_FIELD(fb->Width - 1, GEN7_SURFACE_WIDTH) |
- SET_FIELD(fb->Height - 1, GEN7_SURFACE_HEIGHT);
-}
-
-/**
- * Sets up a surface state structure to point at the given region.
- * 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
-gen8_update_renderbuffer_surface(struct brw_context *brw,
- struct gl_renderbuffer *rb,
- bool layered,
- unsigned unit)
-{
- struct gl_context *ctx = &brw->ctx;
- struct intel_renderbuffer *irb = intel_renderbuffer(rb);
- struct intel_mipmap_tree *mt = irb->mt;
- struct intel_mipmap_tree *aux_mt = NULL;
- uint32_t aux_mode = 0;
- unsigned width = mt->logical_width0;
- unsigned height = mt->logical_height0;
- unsigned pitch = mt->pitch;
- uint32_t tiling = mt->tiling;
- uint32_t format = 0;
- uint32_t surf_type;
- bool is_array = false;
- int depth = MAX2(irb->layer_count, 1);
- const int min_array_element = (mt->format == MESA_FORMAT_S_UINT8) ?
- irb->mt_layer : (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;
-
- intel_miptree_used_for_rendering(mt);
-
- switch (gl_target) {
- case GL_TEXTURE_CUBE_MAP_ARRAY:
- case GL_TEXTURE_CUBE_MAP:
- surf_type = BRW_SURFACE_2D;
- is_array = true;
- depth *= 6;
- break;
- case GL_TEXTURE_3D:
- depth = MAX2(irb->mt->logical_depth0, 1);
- /* fallthrough */
- default:
- surf_type = translate_tex_target(gl_target);
- is_array = _mesa_tex_target_is_array(gl_target);
- break;
- }
-
- /* _NEW_BUFFERS */
- /* Render targets can't use IMS layout. Stencil in turn gets configured as
- * single sampled and indexed manually by the program.
- */
- if (mt->format == MESA_FORMAT_S_UINT8) {
- brw_configure_w_tiled(mt, true, &width, &height, &pitch,
- &tiling, &format);
- } else {
- assert(mt->msaa_layout != INTEL_MSAA_LAYOUT_IMS);
- assert(brw_render_target_supported(brw, rb));
- mesa_format rb_format = _mesa_get_render_format(ctx,
- intel_rb_format(irb));
- 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));
- }
-
- if (mt->mcs_mt) {
- aux_mt = mt->mcs_mt;
- aux_mode = GEN8_SURFACE_AUX_MODE_MCS;
- }
-
- uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 13 * 4, 64,
- &brw->wm.base.surf_offset[surf_index]);
-
- surf[0] = (surf_type << BRW_SURFACE_TYPE_SHIFT) |
- (is_array ? GEN7_SURFACE_IS_ARRAY : 0) |
- (format << BRW_SURFACE_FORMAT_SHIFT) |
- vertical_alignment(mt) |
- horizontal_alignment(mt) |
- surface_tiling_mode(tiling);
-
- surf[1] = SET_FIELD(BDW_MOCS_WT, GEN8_SURFACE_MOCS) | mt->qpitch >> 2;
-
surf[2] = SET_FIELD(width - 1, GEN7_SURFACE_WIDTH) |
SET_FIELD(height - 1, GEN7_SURFACE_HEIGHT);
-
- surf[3] = (depth - 1) << BRW_SURFACE_DEPTH_SHIFT |
- (pitch - 1); /* Surface Pitch */
-
- surf[4] = min_array_element << GEN7_SURFACE_MIN_ARRAY_ELEMENT_SHIFT |
- (depth - 1) << GEN7_SURFACE_RENDER_TARGET_VIEW_EXTENT_SHIFT;
-
- if (mt->format != MESA_FORMAT_S_UINT8)
- surf[4] |= gen7_surface_msaa_bits(mt->num_samples, mt->msaa_layout);
-
- surf[5] = irb->mt_level - irb->mt->first_level;
-
- if (aux_mt) {
- surf[6] = SET_FIELD(mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
- SET_FIELD((aux_mt->pitch / 128) - 1, GEN8_SURFACE_AUX_PITCH) |
- aux_mode;
- } else {
- surf[6] = 0;
- }
-
- surf[7] = mt->fast_clear_color_value |
- SET_FIELD(HSW_SCS_RED, GEN7_SURFACE_SCS_R) |
- SET_FIELD(HSW_SCS_GREEN, GEN7_SURFACE_SCS_G) |
- SET_FIELD(HSW_SCS_BLUE, GEN7_SURFACE_SCS_B) |
- SET_FIELD(HSW_SCS_ALPHA, GEN7_SURFACE_SCS_A);
-
- *((uint64_t *) &surf[8]) = mt->bo->offset64; /* reloc */
-
- if (aux_mt) {
- *((uint64_t *) &surf[10]) = aux_mt->bo->offset64;
- drm_intel_bo_emit_reloc(brw->batch.bo,
- brw->wm.base.surf_offset[surf_index] + 10 * 4,
- aux_mt->bo, 0,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER);
- } else {
- surf[10] = 0;
- surf[11] = 0;
- }
- surf[12] = 0;
-
- drm_intel_bo_emit_reloc(brw->batch.bo,
- brw->wm.base.surf_offset[surf_index] + 8 * 4,
- mt->bo,
- 0,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER);
}
void
gen8_init_vtable_surface_functions(struct brw_context *brw)
{
- brw->vtbl.update_texture_surface = gen8_update_texture_surface;
- brw->vtbl.update_renderbuffer_surface = gen8_update_renderbuffer_surface;
- brw->vtbl.update_null_renderbuffer_surface =
- gen8_update_null_renderbuffer_surface;
- brw->vtbl.create_raw_surface = gen8_create_raw_surface;
- brw->vtbl.emit_buffer_surface_state = gen8_emit_buffer_surface_state;
+ brw->vtbl.update_renderbuffer_surface = brw_update_renderbuffer_surface;
+ brw->vtbl.emit_null_surface_state = gen8_emit_null_surface_state;
}