From: Chad Versace <chad.vers...@intel.com>
With this patch series, depth writes, tests, and reads all work when rendering
to an FBO with renderbuffer attachments. I have not yet tested the same when
rendering to an FBO with texture attachments.
This series differ from my first hiz series in that hiz enablement is a
property of
the renderbuffer rather than the context. I also added support for rendering to
depth textures with hiz, though I haven't wrote the Piglit tests for that yet.
I obtained the following piglit results on Gen5 with `env INTEL_HIZ=1`:
pass: general/hiz
pass: hiz/hiz-depth-test-fbo-d24
pass: hiz/hiz-depth-test-fbo-d24-s8
pass: hiz/hiz-depth-test-fbo-d24s8
crash: hiz/hiz-depth-test-stencil0
crash: hiz/hiz-depth-test-stencil1
And the test results when INTEL_HIZ is unset:
pass: general/hiz
pass: hiz/hiz-depth-test-fbo-d24
skip: hiz/hiz-depth-test-fbo-d24-s8
pass: hiz/hiz-depth-test-fbo-d24s8
crash: hiz/hiz-depth-test-stencil0
crash: hiz/hiz-depth-test-stencil1
(The crashes are not particular to my patches; master also crashes on those
tests.)
These patches live on my public hiz branch.
Chad Versace (14):
intel: Add flag intel_context.has_hiz
intel: Override intel_context.has_hiz with env var INTEL_HIZ
intel: Add is_hiz_depth_format() to intel_contex.vtbl
mesa/main: Add MESA_FORMAT_X8_Z24 to _mesa_choose_tex_format
intel: Change supported texture formats in intel_context for HiZ
intel: Add hiz_region to intel_renderbuffer
intel: Refactor the wrapping of textures with renderbuffers
intel: Add hiz_region to intel_mipmap_tree
i965: Change FBO completeness criteria when HiZ is enabled
i965: Refactor prepare_depthbuffer() and emit_depthbuffer()
i965: Emit 3D_STATE_HIER_DEPTH_BUFFER
i965: Define tracked state for separate stencil buffer
intel: Change signature of intel_context.vtbl.set_draw_region
i965: Update cached stencil region pointer when updating draw buffers
src/mesa/drivers/dri/i915/i915_vtbl.c | 12 ++
src/mesa/drivers/dri/i965/brw_context.h | 5 +
src/mesa/drivers/dri/i965/brw_misc_state.c | 118 ++++++++++++++++++----
src/mesa/drivers/dri/i965/brw_state.h | 1 +
src/mesa/drivers/dri/i965/brw_state_upload.c | 2 +
src/mesa/drivers/dri/i965/brw_vtbl.c | 21 ++++
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 3 +-
src/mesa/drivers/dri/intel/intel_buffers.c | 27 +++--
src/mesa/drivers/dri/intel/intel_context.c | 32 ++++++
src/mesa/drivers/dri/intel/intel_context.h | 6 +
src/mesa/drivers/dri/intel/intel_fbo.c | 103 +++++++++++++++-----
src/mesa/drivers/dri/intel/intel_fbo.h | 27 +++++
src/mesa/drivers/dri/intel/intel_mipmap_tree.c | 1 +
src/mesa/drivers/dri/intel/intel_mipmap_tree.h | 13 +++
src/mesa/drivers/dri/intel/intel_span.c | 1 +
src/mesa/drivers/dri/intel/intel_tex_format.c | 1 +
src/mesa/main/texformat.c | 2 +
17 files changed, 322 insertions(+), 53 deletions(-)
--
1.7.5
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