#include "brw_defines.h"
#include "brw_wm.h"
-/**
- * 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 uint32_t
-gen6_update_renderbuffer_surface(struct brw_context *brw,
- 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_mipmap_tree *mt = irb->mt;
- uint32_t *surf;
- uint32_t format = 0;
- uint32_t offset;
- /* _NEW_BUFFERS */
- mesa_format rb_format = _mesa_get_render_format(ctx, intel_rb_format(irb));
- uint32_t surftype;
- int depth = MAX2(irb->layer_count, 1);
- const GLenum gl_target =
- rb->TexImage ? rb->TexImage->TexObject->Target : GL_TEXTURE_2D;
-
- intel_miptree_used_for_rendering(irb->mt);
-
- surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE, 6 * 4, 32, &offset);
-
- 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",
- __func__, _mesa_get_format_name(rb_format));
- }
-
- switch (gl_target) {
- case GL_TEXTURE_CUBE_MAP_ARRAY:
- case GL_TEXTURE_CUBE_MAP:
- surftype = BRW_SURFACE_2D;
- depth *= 6;
- break;
- case GL_TEXTURE_3D:
- depth = MAX2(irb->mt->logical_depth0, 1);
- /* fallthrough */
- default:
- surftype = translate_tex_target(gl_target);
- break;
- }
-
- const int min_array_element = irb->mt_layer;
- assert(!layered || irb->mt_layer == 0);
-
- surf[0] = SET_FIELD(surftype, BRW_SURFACE_TYPE) |
- SET_FIELD(format, BRW_SURFACE_FORMAT);
-
- /* reloc */
- assert(mt->offset % mt->cpp == 0);
- surf[1] = mt->bo->offset64 + mt->offset;
-
- /* In the gen6 PRM Volume 1 Part 1: Graphics Core, Section 7.18.3.7.1
- * (Surface Arrays For all surfaces other than separate stencil buffer):
- *
- * "[DevSNB] Errata: Sampler MSAA Qpitch will be 4 greater than the value
- * calculated in the equation above , for every other odd Surface Height
- * starting from 1 i.e. 1,5,9,13"
- *
- * Since this Qpitch errata only impacts the sampler, we have to adjust the
- * input for the rendering surface to achieve the same qpitch. For the
- * affected heights, we increment the height by 1 for the rendering
- * surface.
- */
- int height0 = irb->mt->logical_height0;
- if (brw->gen == 6 && irb->mt->num_samples > 1 && (height0 % 4) == 1)
- height0++;
-
- surf[2] = SET_FIELD(mt->logical_width0 - 1, BRW_SURFACE_WIDTH) |
- SET_FIELD(height0 - 1, BRW_SURFACE_HEIGHT) |
- SET_FIELD(irb->mt_level - irb->mt->first_level, BRW_SURFACE_LOD);
-
- surf[3] = brw_get_surface_tiling_bits(mt->tiling) |
- SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) |
- SET_FIELD(mt->pitch - 1, BRW_SURFACE_PITCH);
-
- surf[4] = brw_get_surface_num_multisamples(mt->num_samples) |
- SET_FIELD(min_array_element, BRW_SURFACE_MIN_ARRAY_ELEMENT) |
- SET_FIELD(depth - 1, BRW_SURFACE_RENDER_TARGET_VIEW_EXTENT);
-
- surf[5] = (mt->valign == 4 ? BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0);
-
- drm_intel_bo_emit_reloc(brw->batch.bo,
- offset + 4,
- mt->bo,
- surf[1] - mt->bo->offset64,
- I915_GEM_DOMAIN_RENDER,
- I915_GEM_DOMAIN_RENDER);
-
- return offset;
-}
-
void
gen6_init_vtable_surface_functions(struct brw_context *brw)
{
gen4_init_vtable_surface_functions(brw);
- brw->vtbl.update_renderbuffer_surface = gen6_update_renderbuffer_surface;
+ brw->vtbl.update_renderbuffer_surface = brw_update_renderbuffer_surface;
}