[Mesa-dev] [PATCH] mesa: Use GL_RED for DEPTH_TEXTURE_MODE for #version 300 es shaders.
stereotype441 at gmail.com
Mon Jan 21 20:52:07 PST 2013
On 21 January 2013 14:48, Kenneth Graunke <kenneth at whitecape.org> wrote:
> On 01/21/2013 01:38 PM, Eric Anholt wrote:
>> Kenneth Graunke <kenneth at whitecape.org> writes:
>>> src/mesa/drivers/dri/i965/brw_**state.h | 3 ++-
>>> src/mesa/drivers/dri/i965/brw_**wm.c | 2 +-
>>> src/mesa/drivers/dri/i965/brw_**wm_surface_state.c | 8 ++++++--
>>> src/mesa/drivers/dri/i965/**gen7_wm_surface_state.c | 4 ++--
>>> 4 files changed, 11 insertions(+), 6 deletions(-)
>>> I believe the BRW_NEW_VERTEX_PROGRAM/BRW_**NEW_FRAGMENT_PROGRAM dirty
>>> on the brw_texture_surfaces atom should cover my new usage of shProg.
>>> Eric, can you confirm? I always get confused by _NEW_PROGRAM vs.
>>> CACHE_NEW_WM/VS_PROG vs. BRW_NEW_VERTEX/FRAGMENT_**PROGRAM. Thanks!
>> CACHE_NEW_*_PROG covers prog_data, BRW_NEW_*_PROGRAM covers the
>> brw_*_program and gl_shader_program structs, so that sounds good. But I
>> see an issue anyway...
>> diff --git a/src/mesa/drivers/dri/i965/**brw_wm_surface_state.c
>>> index 5e99592..b609b09 100644
>>> --- a/src/mesa/drivers/dri/i965/**brw_wm_surface_state.c
>>> +++ b/src/mesa/drivers/dri/i965/**brw_wm_surface_state.c
>>> @@ -685,8 +685,10 @@ brw_get_surface_num_**multisamples(unsigned
>>> * swizzling.
>>> -brw_get_texture_swizzle(const struct gl_texture_object *t)
>>> +brw_get_texture_swizzle(**struct gl_context *ctx,
>>> + const struct gl_texture_object *t)
>>> + const struct gl_shader_program *shProg = ctx->Shader._**
>> You're looking at the FS even if we're trying to set up textures for the
>> VS. I think the caller should pass in the particular program, and then
>> it'll be more obvious to the caller which state flag is right.
> Eric mentioned this on IRC:
> <anholt> Kayden: oh, I suppose my comment about looking at the wrong
> program in your depth change doesn't really matter since Version will be
> the same in both.
> which is true - otherwise the VS/FS link would have failed.
Is this still going to be true when we implement
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