[Mesa-dev] [PATCH 2/2] i965: Allow blorp to make decisions about the formats that it supports where it can
Mark Mueller
markkmueller at gmail.com
Thu Nov 14 17:39:04 PST 2013
On Thu, Nov 14, 2013 at 5:18 PM, Chris Forbes <chrisf at ijw.co.nz> wrote:
> Why does this affect that piglit test?
>
Oh wait, it was patch 1/2 that fixed that test. Do I still need to answer
the question? :)
1/2 made no significant functional changes so I don't have an explanation,
but I will do some checking and get back....
> -- Chris
>
> On Fri, Nov 15, 2013 at 2:01 PM, Mark Mueller <markkmueller at gmail.com>
> wrote:
> > fixed subject line
> >
> >
> > On Thu, Nov 14, 2013 at 4:15 PM, Mark Mueller <markkmueller at gmail.com>
> > wrote:
> >>
> >> This patch consolidates the decision about formats that blorp_blt does
> and
> >> does not support to blorp instead of leaving that decision to callers.
> >> This
> >> opens the door to adding more functionality to blorp, including support
> >> for
> >> using GPU acceleration of processing and loading textures.
> >>
> >> This patch fixes piglit generated_tests/spec/glsl-1.50/compiler/-
> >> built-in-functions/op-div-mat4x3-float.geom.
> >>
> >>
> >> Signed-off-by: Mark Mueller <MarkKMueller at gmail.com>
> >> ---
> >> src/mesa/drivers/dri/i965/brw_blorp.h | 8 +-
> >> src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 149
> >> ++++++++++++++--------
> >> src/mesa/drivers/dri/i965/brw_state.h | 5 +-
> >> src/mesa/drivers/dri/i965/brw_surface_formats.c | 26 ++--
> >> src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 12 +-
> >> src/mesa/drivers/dri/i965/gen7_wm_surface_state.c | 4 +-
> >> 6 files changed, 131 insertions(+), 73 deletions(-)
> >>
> >> diff --git a/src/mesa/drivers/dri/i965/brw_blorp.h
> >> b/src/mesa/drivers/dri/i965/brw_blorp.h
> >> index 85bf099..5344851 100644
> >> --- a/src/mesa/drivers/dri/i965/brw_blorp.h
> >> +++ b/src/mesa/drivers/dri/i965/brw_blorp.h
> >> @@ -34,8 +34,7 @@ struct brw_context;
> >> extern "C" {
> >> #endif
> >>
> >> -void
> >> -brw_blorp_blit_miptrees(struct brw_context *brw,
> >> +bool brw_blorp_blit_miptrees(struct brw_context *brw,
> >> struct intel_mipmap_tree *src_mt,
> >> unsigned src_level, unsigned src_layer,
> >> struct intel_mipmap_tree *dst_mt,
> >> @@ -356,8 +355,13 @@ public:
> >> virtual uint32_t get_wm_prog(struct brw_context *brw,
> >> brw_blorp_prog_data **prog_data) const;
> >>
> >> + bool is_valid() {
> >> + return valid_parameters;
> >> + }
> >> +
> >> private:
> >> brw_blorp_blit_prog_key wm_prog_key;
> >> + bool valid_parameters;
> >> };
> >>
> >> /**
> >> diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> >> b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> >> index d54b926..00461a4 100644
> >> --- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> >> +++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
> >> @@ -123,7 +123,7 @@ find_miptree(GLbitfield buffer_bit, struct
> >> intel_renderbuffer *irb)
> >> return mt;
> >> }
> >>
> >> -void
> >> +bool
> >> brw_blorp_blit_miptrees(struct brw_context *brw,
> >> struct intel_mipmap_tree *src_mt,
> >> unsigned src_level, unsigned src_layer,
> >> @@ -135,16 +135,6 @@ brw_blorp_blit_miptrees(struct brw_context *brw,
> >> float dst_x1, float dst_y1,
> >> GLenum filter, bool mirror_x, bool mirror_y)
> >> {
> >> - /* Get ready to blit. This includes depth resolving the src and dst
> >> - * buffers if necessary. Note: it's not necessary to do a color
> >> resolve on
> >> - * the destination buffer because we use the standard render path to
> >> render
> >> - * to destination color buffers, and the standard render path is
> >> - * fast-color-aware.
> >> - */
> >> - intel_miptree_resolve_color(brw, src_mt);
> >> - intel_miptree_slice_resolve_depth(brw, src_mt, src_level,
> src_layer);
> >> - intel_miptree_slice_resolve_depth(brw, dst_mt, dst_level,
> dst_layer);
> >> -
> >> DBG("%s from %s mt %p %d %d (%f,%f) (%f,%f)"
> >> "to %s mt %p %d %d (%f,%f) (%f,%f) (flip %d,%d)\n",
> >> __FUNCTION__,
> >> @@ -162,12 +152,28 @@ brw_blorp_blit_miptrees(struct brw_context *brw,
> >> dst_x0, dst_y0,
> >> dst_x1, dst_y1,
> >> filter, mirror_x, mirror_y);
> >> +
> >> + if (!params.is_valid()) {
> >> + return false;
> >> + }
> >> +
> >> + /* Get ready to blit. This includes depth resolving the src and dst
> >> + * buffers if necessary. Note: it's not necessary to do a color
> >> resolve on
> >> + * the destination buffer because we use the standard render path to
> >> render
> >> + * to destination color buffers, and the standard render path is
> >> + * fast-color-aware.
> >> + */
> >> + intel_miptree_resolve_color(brw, src_mt);
> >> + intel_miptree_slice_resolve_depth(brw, src_mt, src_level,
> src_layer);
> >> + intel_miptree_slice_resolve_depth(brw, dst_mt, dst_level,
> dst_layer);
> >> +
> >> brw_blorp_exec(brw, ¶ms);
> >>
> >> intel_miptree_slice_set_needs_hiz_resolve(dst_mt, dst_level,
> >> dst_layer);
> >> + return true;
> >> }
> >>
> >> -static void
> >> +static bool
> >> do_blorp_blit(struct brw_context *brw, GLbitfield buffer_bit,
> >> struct intel_renderbuffer *src_irb,
> >> struct intel_renderbuffer *dst_irb,
> >> @@ -180,14 +186,17 @@ do_blorp_blit(struct brw_context *brw, GLbitfield
> >> buffer_bit,
> >> struct intel_mipmap_tree *dst_mt = find_miptree(buffer_bit,
> dst_irb);
> >>
> >> /* Do the blit */
> >> - brw_blorp_blit_miptrees(brw,
> >> - src_mt, src_irb->mt_level,
> src_irb->mt_layer,
> >> - dst_mt, dst_irb->mt_level,
> dst_irb->mt_layer,
> >> - srcX0, srcY0, srcX1, srcY1,
> >> - dstX0, dstY0, dstX1, dstY1,
> >> - filter, mirror_x, mirror_y);
> >> + if (!brw_blorp_blit_miptrees(brw,
> >> + src_mt, src_irb->mt_level,
> >> src_irb->mt_layer,
> >> + dst_mt, dst_irb->mt_level,
> >> dst_irb->mt_layer,
> >> + srcX0, srcY0, srcX1, srcY1,
> >> + dstX0, dstY0, dstX1, dstY1,
> >> + filter, mirror_x, mirror_y)) {
> >> + return false;
> >> + }
> >>
> >> intel_renderbuffer_set_needs_downsample(dst_irb);
> >> + return true;
> >> }
> >>
> >> static bool
> >> @@ -293,10 +302,13 @@ try_blorp_blit(struct brw_context *brw,
> >> }
> >> for (unsigned i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers;
> >> ++i) {
> >> dst_irb =
> >> intel_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[i]);
> >> - if (dst_irb)
> >> - do_blorp_blit(brw, buffer_bit, src_irb, dst_irb, srcX0,
> >> srcY0,
> >> - srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
> >> - filter, mirror_x, mirror_y);
> >> + if (dst_irb) {
> >> + if (!do_blorp_blit(brw, buffer_bit, src_irb, dst_irb,
> srcX0,
> >> srcY0,
> >> + srcX1, srcY1, dstX0, dstY0, dstX1,
> dstY1,
> >> + filter, mirror_x, mirror_y)) {
> >> + return false;
> >> + }
> >> + }
> >> }
> >> break;
> >> case GL_DEPTH_BUFFER_BIT:
> >> @@ -306,9 +318,11 @@ try_blorp_blit(struct brw_context *brw,
> >>
> >> intel_renderbuffer(draw_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
> >> if (!formats_match(buffer_bit, src_irb, dst_irb))
> >> return false;
> >> - do_blorp_blit(brw, buffer_bit, src_irb, dst_irb, srcX0, srcY0,
> >> - srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
> >> - filter, mirror_x, mirror_y);
> >> + if (!do_blorp_blit(brw, buffer_bit, src_irb, dst_irb, srcX0,
> srcY0,
> >> + srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
> >> + filter, mirror_x, mirror_y)) {
> >> + return false;
> >> + }
> >> break;
> >> case GL_STENCIL_BUFFER_BIT:
> >> src_irb =
> >> @@ -317,9 +331,11 @@ try_blorp_blit(struct brw_context *brw,
> >>
> >> intel_renderbuffer(draw_fb->Attachment[BUFFER_STENCIL].Renderbuffer);
> >> if (!formats_match(buffer_bit, src_irb, dst_irb))
> >> return false;
> >> - do_blorp_blit(brw, buffer_bit, src_irb, dst_irb, srcX0, srcY0,
> >> - srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
> >> - filter, mirror_x, mirror_y);
> >> + if (!do_blorp_blit(brw, buffer_bit, src_irb, dst_irb, srcX0,
> srcY0,
> >> + srcX1, srcY1, dstX0, dstY0, dstX1, dstY1,
> >> + filter, mirror_x, mirror_y)) {
> >> + return false;
> >> + }
> >> break;
> >> default:
> >> assert(false);
> >> @@ -349,27 +365,11 @@ brw_blorp_copytexsubimage(struct brw_context *brw,
> >> struct intel_mipmap_tree *src_mt = src_irb->mt;
> >> struct intel_mipmap_tree *dst_mt = intel_image->mt;
> >>
> >> - /* BLORP is not supported before Gen6. */
> >> - if (brw->gen < 6)
> >> - return false;
> >> -
> >> if (_mesa_get_format_base_format(src_mt->format) !=
> >> _mesa_get_format_base_format(dst_mt->format)) {
> >> return false;
> >> }
> >>
> >> - /* We can't handle format conversions between Z24 and other formats
> >> since
> >> - * we have to lie about the surface format. See the comments in
> >> - * brw_blorp_surface_info::set().
> >> - */
> >> - if ((src_mt->format == MESA_FORMAT_X8_Z24) !=
> >> - (dst_mt->format == MESA_FORMAT_X8_Z24)) {
> >> - return false;
> >> - }
> >> -
> >> - if (!brw->format_supported_as_render_target[dst_mt->format])
> >> - return false;
> >> -
> >> /* Source clipping shouldn't be necessary, since copytexsubimage (in
> >> * src/mesa/main/teximage.c) calls _mesa_clip_copytexsubimage()
> which
> >> * takes care of it.
> >> @@ -396,12 +396,14 @@ brw_blorp_copytexsubimage(struct brw_context *brw,
> >> mirror_y = true;
> >> }
> >>
> >> - brw_blorp_blit_miptrees(brw,
> >> - src_mt, src_irb->mt_level,
> src_irb->mt_layer,
> >> - dst_mt, dst_image->Level, dst_image->Face +
> >> slice,
> >> - srcX0, srcY0, srcX1, srcY1,
> >> - dstX0, dstY0, dstX1, dstY1,
> >> - GL_NEAREST, false, mirror_y);
> >> + if (!brw_blorp_blit_miptrees(brw,
> >> + src_mt, src_irb->mt_level,
> >> src_irb->mt_layer,
> >> + dst_mt, dst_image->Level,
> dst_image->Face
> >> + slice,
> >> + srcX0, srcY0, srcX1, srcY1,
> >> + dstX0, dstY0, dstX1, dstY1,
> >> + GL_NEAREST, false, mirror_y)) {
> >> + return false;
> >> + }
> >>
> >> /* If we're copying to a packed depth stencil texture and the source
> >> * framebuffer has separate stencil, we need to also copy the
> stencil
> >> data
> >> @@ -2069,10 +2071,52 @@
> >> brw_blorp_blit_params::brw_blorp_blit_params(struct brw_context *brw,
> >> GLfloat dst_x1, GLfloat
> >> dst_y1,
> >> GLenum filter,
> >> bool mirror_x, bool
> >> mirror_y)
> >> + : valid_parameters(false)
> >> {
> >> struct gl_context *ctx = &brw->ctx;
> >> - const struct gl_framebuffer *read_fb = ctx->ReadBuffer;
> >>
> >> + /* BLORP is not supported before Gen6. */
> >> + if (brw->gen < 6)
> >> + return;
> >> +
> >> + if (MESA_FORMAT_NONE == src_mt->format || MESA_FORMAT_COUNT <=
> >> src_mt->format) {
> >> + perf_debug("%s: Blorp doesn't yet support provided source
> >> format.\n", __FUNCTION__);
> >> + return;
> >> + }
> >> +
> >> + /* We can't handle format conversions between Z24 and other formats
> >> since
> >> + * we have to lie about the surface format. See the comments in
> >> + * brw_blorp_surface_info::set().
> >> + */
> >> + if ((src_mt->format == MESA_FORMAT_X8_Z24) !=
> >> + (dst_mt->format == MESA_FORMAT_X8_Z24)) {
> >> + return;
> >> + }
> >> +
> >> + /* blorp lies about some formats to placate the GPU. */
> >> + const GLint srcFormatTranslated = translate_tex_format(brw,
> >> src_mt->format, 0, true);
> >> + const GLint dstFormatTranslated = translate_tex_format(brw,
> >> dst_mt->format, 0, true);
> >> + if (0 == srcFormatTranslated || 0 == dstFormatTranslated) {
> >> + perf_debug("%s: compatible brw_surface format not found for
> source
> >> or target "
> >> + "texture mip tree. Source: %s Target: %s\n",
> >> + __FUNCTION__, _mesa_get_format_name(src_mt->format),
> >> + _mesa_get_format_name(dst_mt->format));
> >> + return;
> >> + }
> >> +
> >> + if (!brw->format_supported_as_render_target[dst_mt->format]) {
> >> + perf_debug("%s: The translated target miptree format is not
> >> supported as a render target: %s.\n",
> >> + __FUNCTION__, _mesa_get_format_name(dst_mt->format));
> >> + return;
> >> + }
> >> +
> >> + if (!brw_format_for_sampling(brw, srcFormatTranslated)) {
> >> + perf_debug("%s: The translated source miptree format is not
> >> supported for sampling: %s.\n",
> >> + __FUNCTION__, _mesa_get_format_name(src_mt->format));
> >> + return;
> >> + }
> >> +
> >> + const struct gl_framebuffer *read_fb = ctx->ReadBuffer;
> >> src.set(brw, src_mt, src_level, src_layer, false);
> >> dst.set(brw, dst_mt, dst_level, dst_layer, true);
> >>
> >> @@ -2123,7 +2167,7 @@
> brw_blorp_blit_params::brw_blorp_blit_params(struct
> >> brw_context *brw,
> >> wm_prog_key.texture_data_type = BRW_REGISTER_TYPE_D;
> >> break;
> >> default:
> >> - assert(!"Unrecognized blorp format");
> >> + _mesa_debug(&brw->ctx, "Unrecognized blorp format");
> >> break;
> >> }
> >>
> >> @@ -2329,6 +2373,7 @@
> brw_blorp_blit_params::brw_blorp_blit_params(struct
> >> brw_context *brw,
> >> src.x_offset *= 2;
> >> src.y_offset /= 2;
> >> }
> >> + valid_parameters = true;
> >> }
> >>
> >> uint32_t
> >> diff --git a/src/mesa/drivers/dri/i965/brw_state.h
> >> b/src/mesa/drivers/dri/i965/brw_state.h
> >> index 471f1da..49b02b6 100644
> >> --- a/src/mesa/drivers/dri/i965/brw_state.h
> >> +++ b/src/mesa/drivers/dri/i965/brw_state.h
> >> @@ -188,13 +188,14 @@ uint32_t brw_get_surface_tiling_bits(uint32_t
> >> tiling);
> >> uint32_t brw_get_surface_num_multisamples(unsigned num_samples);
> >>
> >> uint32_t brw_format_for_mesa_format(gl_format mesa_format);
> >> +bool brw_format_for_sampling(struct brw_context *brw, const unsigned
> >> brw_surface_sel);
> >>
> >> GLuint translate_tex_target(GLenum target);
> >>
> >> GLuint translate_tex_format(struct brw_context *brw,
> >> gl_format mesa_format,
> >> - GLenum depth_mode,
> >> - GLenum srgb_decode);
> >> + GLenum srgb_decode,
> >> + bool for_render);
> >>
> >> int brw_get_texture_swizzle(const struct gl_context *ctx,
> >> const struct gl_texture_object *t);
> >> diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> >> b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> >> index 7afca79..c9715a7 100644
> >> --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
> >> +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
> >> @@ -306,6 +306,13 @@ const struct surface_format_info surface_formats[]
> =
> >> {
> >> SF( x, x, x, x, x, x, x, x, x,
> BRW_SURFACEFORMAT_R8G8B8_UINT)
> >> SF( x, x, x, x, x, x, x, x, x,
> BRW_SURFACEFORMAT_R8G8B8_SINT)
> >> };
> >> +
> >> +bool
> >> +brw_format_for_sampling(struct brw_context *brw, const unsigned
> >> brw_surface_sel)
> >> +{
> >> + return (brw_surface_sel && surface_formats[brw_surface_sel].sampling
> >> <= brw->gen * 10);
> >> +}
> >> +
> >> #undef x
> >> #undef Y
> >>
> >> @@ -686,24 +693,26 @@ brw_render_target_supported(struct brw_context
> *brw,
> >> GLuint
> >> translate_tex_format(struct brw_context *brw,
> >> gl_format mesa_format,
> >> - GLenum depth_mode,
> >> - GLenum srgb_decode)
> >> + GLenum srgb_decode,
> >> + bool for_render)
> >> {
> >> - struct gl_context *ctx = &brw->ctx;
> >> if (srgb_decode == GL_SKIP_DECODE_EXT)
> >> mesa_format = _mesa_get_srgb_format_linear(mesa_format);
> >>
> >> switch( mesa_format ) {
> >>
> >> + case MESA_FORMAT_S8:
> >> + return BRW_SURFACEFORMAT_R8_UNORM;
> >> +
> >> case MESA_FORMAT_Z16:
> >> - return BRW_SURFACEFORMAT_I16_UNORM;
> >> + return for_render ? BRW_SURFACEFORMAT_R16_UNORM :
> >> BRW_SURFACEFORMAT_I16_UNORM;
> >>
> >> case MESA_FORMAT_S8_Z24:
> >> case MESA_FORMAT_X8_Z24:
> >> - return BRW_SURFACEFORMAT_I24X8_UNORM;
> >> + return for_render ? BRW_SURFACEFORMAT_B8G8R8A8_UNORM :
> >> BRW_SURFACEFORMAT_I24X8_UNORM;
> >>
> >> case MESA_FORMAT_Z32_FLOAT:
> >> - return BRW_SURFACEFORMAT_I32_FLOAT;
> >> + return for_render ? BRW_SURFACEFORMAT_R32_FLOAT :
> >> BRW_SURFACEFORMAT_I32_FLOAT;
> >>
> >> case MESA_FORMAT_Z32_FLOAT_X24S8:
> >> return BRW_SURFACEFORMAT_R32G32_FLOAT;
> >> @@ -712,7 +721,7 @@ translate_tex_format(struct brw_context *brw,
> >> /* The value of this BRW_SURFACEFORMAT is 0, which tricks the
> >> * assertion below.
> >> */
> >> - return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
> >> + return for_render ? BRW_SURFACEFORMAT_B8G8R8A8_UNORM :
> >> BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
> >>
> >> case MESA_FORMAT_SRGB_DXT1:
> >> if (brw->gen == 4 && !brw->is_g4x) {
> >> @@ -720,13 +729,12 @@ translate_tex_format(struct brw_context *brw,
> >> * skipping SRGB decode. It's not worth not supporting sRGB
> in
> >> * general to prevent this.
> >> */
> >> + struct gl_context *ctx = &brw->ctx;
> >> WARN_ONCE(true, "Demoting sRGB DXT1 texture to non-sRGB\n");
> >> mesa_format = MESA_FORMAT_RGB_DXT1;
> >> }
> >> - return brw_format_for_mesa_format(mesa_format);
> >>
> >> default:
> >> - assert(brw_format_for_mesa_format(mesa_format) != 0);
> >> return brw_format_for_mesa_format(mesa_format);
> >> }
> >> }
> >> diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> >> b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> >> index 662c975..4873353 100644
> >> --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> >> +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
> >> @@ -285,13 +285,13 @@ brw_update_texture_surface(struct gl_context *ctx,
> >> (void) for_gather; /* no w/a to apply for this gen */
> >>
> >> surf[0] = (translate_tex_target(tObj->Target) <<
> >> BRW_SURFACE_TYPE_SHIFT |
> >> - BRW_SURFACE_MIPMAPLAYOUT_BELOW <<
> >> BRW_SURFACE_MIPLAYOUT_SHIFT |
> >> - BRW_SURFACE_CUBEFACE_ENABLES |
> >> - (translate_tex_format(brw,
> >> + BRW_SURFACE_MIPMAPLAYOUT_BELOW <<
> >> BRW_SURFACE_MIPLAYOUT_SHIFT |
> >> + BRW_SURFACE_CUBEFACE_ENABLES |
> >> + (translate_tex_format(brw,
> >> mt->format,
> >> - tObj->DepthMode,
> >> - sampler->sRGBDecode) <<
> >> - BRW_SURFACE_FORMAT_SHIFT));
> >> + sampler->sRGBDecode,
> >> + false) <<
> >> + BRW_SURFACE_FORMAT_SHIFT));
> >>
> >> surf[1] = intelObj->mt->region->bo->offset + intelObj->mt->offset;
> /*
> >> reloc */
> >>
> >> diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
> >> b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
> >> index 3f4817d..13065ec 100644
> >> --- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
> >> +++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
> >> @@ -291,8 +291,8 @@ gen7_update_texture_surface(struct gl_context *ctx,
> >>
> >> uint32_t tex_format = translate_tex_format(brw,
> >> mt->format,
> >> - tObj->DepthMode,
> >> - sampler->sRGBDecode);
> >> + sampler->sRGBDecode,
> >> + false);
> >>
> >> if (for_gather && tex_format == BRW_SURFACEFORMAT_R32G32_FLOAT)
> >> tex_format = BRW_SURFACEFORMAT_R32G32_FLOAT_LD;
> >> --
> >> 1.8.3.1
> >>
> >
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >
>
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