[Mesa-dev] [PATCH] gallium/radeon: implement ARB_clear_texture (v2)

Marek Olšák maraeo at gmail.com
Fri Aug 5 12:20:28 UTC 2016


On Aug 5, 2016 10:54 AM, "Nicolai Hähnle" <nhaehnle at gmail.com> wrote:
>
>
>
> On 04.08.2016 21:42, Marek Olšák wrote:
>>
>> From: Marek Olšák <marek.olsak at amd.com>
>>
>> Some ideas copied from Jakob Sinclair's implementation, but the color
>> clearing is completely different.
>>
>> v2: remove leftover code, disable conditional rendering
>> ---
>>  docs/GL3.txt                              |  2 +-
>>  docs/relnotes/12.1.0.html                 |  1 +
>>  src/gallium/drivers/r600/r600_blit.c      |  6 ++-
>>  src/gallium/drivers/r600/r600_pipe.c      |  2 +-
>>  src/gallium/drivers/radeon/r600_texture.c | 66
+++++++++++++++++++++++++++++++
>>  src/gallium/drivers/radeonsi/si_blit.c    |  6 ++-
>>  src/gallium/drivers/radeonsi/si_pipe.c    |  2 +-
>>  7 files changed, 80 insertions(+), 5 deletions(-)
>>
>> diff --git a/docs/GL3.txt b/docs/GL3.txt
>> index c185c69..5dcfc31 100644
>> --- a/docs/GL3.txt
>> +++ b/docs/GL3.txt
>> @@ -185,21 +185,21 @@ GL 4.3, GLSL 4.30 -- all DONE: nvc0, radeonsi
>>    GL_ARB_texture_query_levels                           DONE (all
drivers that support GLSL 1.30)
>>    GL_ARB_texture_storage_multisample                    DONE (all
drivers that support GL_ARB_texture_multisample)
>>    GL_ARB_texture_view                                   DONE (i965,
nv50, r600, llvmpipe, softpipe, swr)
>>    GL_ARB_vertex_attrib_binding                          DONE (all
drivers)
>>
>>
>>  GL 4.4, GLSL 4.40:
>>
>>    GL_MAX_VERTEX_ATTRIB_STRIDE                           DONE (all
drivers)
>>    GL_ARB_buffer_storage                                 DONE (i965,
nv50, nvc0, r600, radeonsi)
>> -  GL_ARB_clear_texture                                  DONE (i965,
nv50, nvc0)
>> +  GL_ARB_clear_texture                                  DONE (i965,
nv50, nvc0, r600, radeonsi)
>>    GL_ARB_enhanced_layouts                               DONE (i965)
>>    - compile-time constant expressions                   DONE
>>    - explicit byte offsets for blocks                    DONE
>>    - forced alignment within blocks                      DONE
>>    - specified vec4-slot component numbers               DONE (i965)
>>    - specified transform/feedback layout                 DONE
>>    - input/output block locations                        DONE
>>    GL_ARB_multi_bind                                     DONE (all
drivers)
>>    GL_ARB_query_buffer_object                            DONE
(i965/hsw+, nvc0)
>>    GL_ARB_texture_mirror_clamp_to_edge                   DONE (i965,
nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr)
>> diff --git a/docs/relnotes/12.1.0.html b/docs/relnotes/12.1.0.html
>> index 3935bb0..ed98d13 100644
>> --- a/docs/relnotes/12.1.0.html
>> +++ b/docs/relnotes/12.1.0.html
>> @@ -37,20 +37,21 @@ TBD.
>>  </pre>
>>
>>
>>  <h2>New features</h2>
>>
>>  <p>
>>  Note: some of the new features are only available with certain drivers.
>>  </p>
>>
>>  <ul>
>> +<li>GL_ARB_clear_texture on r600, radeonsi</li>
>>  <li>GL_ARB_enhanced_layouts on i965</li>
>>  <li>GL_ARB_shader_group_vote on nvc0</li>
>>  <li>GL_ARB_ES3_1_compatibility on i965</li>
>>  <li>GL_EXT_window_rectangles on nv50, nvc0</li>
>>  <li>GL_KHR_texture_compression_astc_sliced_3d on i965</li>
>>  </ul>
>>
>>  <h2>Bug fixes</h2>
>>
>>  TBD.
>> diff --git a/src/gallium/drivers/r600/r600_blit.c
b/src/gallium/drivers/r600/r600_blit.c
>> index a6c5b44..8f2e2a6 100644
>> --- a/src/gallium/drivers/r600/r600_blit.c
>> +++ b/src/gallium/drivers/r600/r600_blit.c
>> @@ -29,21 +29,25 @@
>>
>>  enum r600_blitter_op /* bitmask */
>>  {
>>         R600_SAVE_FRAGMENT_STATE = 1,
>>         R600_SAVE_TEXTURES       = 2,
>>         R600_SAVE_FRAMEBUFFER    = 4,
>>         R600_DISABLE_RENDER_COND = 8,
>>
>>         R600_CLEAR         = R600_SAVE_FRAGMENT_STATE,
>>
>> -       R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE |
R600_SAVE_FRAMEBUFFER,
>> +       /* GL_ARB_clear_texture should ignore the render condition, but
>> +        * Gallium shouldn't. Follow OpenGL.
>> +        */
>> +       R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE |
R600_SAVE_FRAMEBUFFER |
>> +                            R600_DISABLE_RENDER_COND,
>
>
> It's annoying, but doesn't this break conditional rendering of glClear?

glClear doesn't use these clear functions.

Marek

>
> Nicolai
>
>
>>
>>         R600_COPY_BUFFER   = R600_DISABLE_RENDER_COND,
>>
>>         R600_COPY_TEXTURE  = R600_SAVE_FRAGMENT_STATE |
R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
>>                              R600_DISABLE_RENDER_COND,
>>
>>         R600_BLIT          = R600_SAVE_FRAGMENT_STATE |
R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES,
>>
>>         R600_DECOMPRESS    = R600_SAVE_FRAGMENT_STATE |
R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
>>
>> diff --git a/src/gallium/drivers/r600/r600_pipe.c
b/src/gallium/drivers/r600/r600_pipe.c
>> index 39a310a..5f69a5d 100644
>> --- a/src/gallium/drivers/r600/r600_pipe.c
>> +++ b/src/gallium/drivers/r600/r600_pipe.c
>> @@ -276,20 +276,21 @@ static int r600_get_param(struct pipe_screen*
pscreen, enum pipe_cap param)
>>         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
>>         case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
>>         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
>>         case PIPE_CAP_TGSI_TXQS:
>>         case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
>>         case PIPE_CAP_INVALIDATE_BUFFER:
>>         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
>>         case PIPE_CAP_QUERY_MEMORY_INFO:
>>         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
>>         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>> +       case PIPE_CAP_CLEAR_TEXTURE:
>>                 return 1;
>>
>>         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
>>                 return rscreen->b.info.drm_major == 2 &&
rscreen->b.info.drm_minor >= 43;
>>
>>         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
>>                 return !R600_BIG_ENDIAN && rscreen->b.info.has_userptr;
>>
>>         case PIPE_CAP_COMPUTE:
>>                 return rscreen->b.chip_class > R700;
>> @@ -348,21 +349,20 @@ static int r600_get_param(struct pipe_screen*
pscreen, enum pipe_cap param)
>>         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
>>         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
>>         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
>>         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
>>         case PIPE_CAP_USER_VERTEX_BUFFERS:
>>         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
>>         case PIPE_CAP_VERTEXID_NOBASE:
>>         case PIPE_CAP_DEPTH_BOUNDS_TEST:
>>         case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
>>         case PIPE_CAP_SHAREABLE_SHADERS:
>> -       case PIPE_CAP_CLEAR_TEXTURE:
>>         case PIPE_CAP_DRAW_PARAMETERS:
>>         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
>>         case PIPE_CAP_MULTI_DRAW_INDIRECT:
>>         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
>>         case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
>>         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
>>         case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
>>         case PIPE_CAP_GENERATE_MIPMAP:
>>         case PIPE_CAP_STRING_MARKER:
>>         case PIPE_CAP_QUERY_BUFFER_OBJECT:
>> diff --git a/src/gallium/drivers/radeon/r600_texture.c
b/src/gallium/drivers/radeon/r600_texture.c
>> index f7c2f80..0b13f36 100644
>> --- a/src/gallium/drivers/radeon/r600_texture.c
>> +++ b/src/gallium/drivers/radeon/r600_texture.c
>> @@ -23,20 +23,21 @@
>>   * Authors:
>>   *      Jerome Glisse
>>   *      Corbin Simpson
>>   */
>>  #include "r600_pipe_common.h"
>>  #include "r600_cs.h"
>>  #include "r600_query.h"
>>  #include "util/u_format.h"
>>  #include "util/u_memory.h"
>>  #include "util/u_pack_color.h"
>> +#include "util/u_surface.h"
>>  #include "os/os_time.h"
>>  #include <errno.h>
>>  #include <inttypes.h>
>>
>>  static void r600_texture_discard_cmask(struct r600_common_screen
*rscreen,
>>                                        struct r600_texture *rtex);
>>  static unsigned r600_choose_tiling(struct r600_common_screen *rscreen,
>>                                    const struct pipe_resource *templ);
>>
>>
>> @@ -1689,20 +1690,84 @@ static struct pipe_surface
*r600_create_surface(struct pipe_context *pipe,
>>  static void r600_surface_destroy(struct pipe_context *pipe,
>>                                  struct pipe_surface *surface)
>>  {
>>         struct r600_surface *surf = (struct r600_surface*)surface;
>>         r600_resource_reference(&surf->cb_buffer_fmask, NULL);
>>         r600_resource_reference(&surf->cb_buffer_cmask, NULL);
>>         pipe_resource_reference(&surface->texture, NULL);
>>         FREE(surface);
>>  }
>>
>> +static void r600_clear_texture(struct pipe_context *pipe,
>> +                              struct pipe_resource *tex,
>> +                              unsigned level,
>> +                              const struct pipe_box *box,
>> +                              const void *data)
>> +{
>> +       struct pipe_screen *screen = pipe->screen;
>> +       struct r600_texture *rtex = (struct r600_texture*)tex;
>> +       struct pipe_surface tmpl = {{0}}, *sf;
>> +       const struct util_format_description *desc =
>> +               util_format_description(tex->format);
>> +
>> +       tmpl.format = tex->format;
>> +       tmpl.u.tex.first_layer = box->z;
>> +       tmpl.u.tex.last_layer = box->z + box->depth - 1;
>> +       tmpl.u.tex.level = level;
>> +       sf = pipe->create_surface(pipe, tex, &tmpl);
>> +       if (!sf)
>> +               return;
>> +
>> +       if (rtex->is_depth) {
>> +               unsigned clear;
>> +               float depth;
>> +               uint8_t stencil = 0;
>> +
>> +               /* Depth is always present. */
>> +               clear = PIPE_CLEAR_DEPTH;
>> +               desc->unpack_z_float(&depth, 0, data, 0, 1, 1);
>> +
>> +               if (rtex->surface.flags & RADEON_SURF_SBUFFER) {
>> +                       clear |= PIPE_CLEAR_STENCIL;
>> +                       desc->unpack_s_8uint(&stencil, 0, data, 0, 1, 1);
>> +               }
>> +
>> +               pipe->clear_depth_stencil(pipe, sf, clear, depth,
stencil,
>> +                                         box->x, box->y,
>> +                                         box->width, box->height);
>> +       } else {
>> +               union pipe_color_union color;
>> +
>> +               /* pipe_color_union requires the full vec4
representation. */
>> +               if (util_format_is_pure_uint(tex->format))
>> +                       desc->unpack_rgba_uint(color.ui, 0, data, 0, 1,
1);
>> +               else if (util_format_is_pure_sint(tex->format))
>> +                       desc->unpack_rgba_sint(color.i, 0, data, 0, 1,
1);
>> +               else
>> +                       desc->unpack_rgba_float(color.f, 0, data, 0, 1,
1);
>> +
>> +               if (screen->is_format_supported(screen, tex->format,
>> +                                               tex->target, 0,
>> +
 PIPE_BIND_RENDER_TARGET)) {
>> +                       pipe->clear_render_target(pipe, sf, &color,
>> +                                                 box->x, box->y,
>> +                                                 box->width,
box->height);
>> +               } else {
>> +                       /* Software fallback - just for R9G9B9E5_FLOAT */
>> +                       util_clear_render_target(pipe, sf, &color,
>> +                                                box->x, box->y,
>> +                                                box->width,
box->height);
>> +               }
>> +       }
>> +       pipe_surface_reference(&sf, NULL);
>> +}
>> +
>>  unsigned r600_translate_colorswap(enum pipe_format format, bool
do_endian_swap)
>>  {
>>         const struct util_format_description *desc =
util_format_description(format);
>>
>>  #define HAS_SWIZZLE(chan,swz) (desc->swizzle[chan] ==
PIPE_SWIZZLE_##swz)
>>
>>         if (format == PIPE_FORMAT_R11G11B10_FLOAT) /* isn't plain */
>>                 return V_0280A0_SWAP_STD;
>>
>>         if (desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
>> @@ -2325,11 +2390,12 @@ void evergreen_do_fast_color_clear(struct
r600_common_context *rctx,
>>  void r600_init_screen_texture_functions(struct r600_common_screen
*rscreen)
>>  {
>>         rscreen->b.resource_from_handle = r600_texture_from_handle;
>>         rscreen->b.resource_get_handle = r600_texture_get_handle;
>>  }
>>
>>  void r600_init_context_texture_functions(struct r600_common_context
*rctx)
>>  {
>>         rctx->b.create_surface = r600_create_surface;
>>         rctx->b.surface_destroy = r600_surface_destroy;
>> +       rctx->b.clear_texture = r600_clear_texture;
>>  }
>> diff --git a/src/gallium/drivers/radeonsi/si_blit.c
b/src/gallium/drivers/radeonsi/si_blit.c
>> index 38a19d5..6fcf0f0 100644
>> --- a/src/gallium/drivers/radeonsi/si_blit.c
>> +++ b/src/gallium/drivers/radeonsi/si_blit.c
>> @@ -28,21 +28,25 @@
>>
>>  enum si_blitter_op /* bitmask */
>>  {
>>         SI_SAVE_TEXTURES      = 1,
>>         SI_SAVE_FRAMEBUFFER   = 2,
>>         SI_SAVE_FRAGMENT_STATE = 4,
>>         SI_DISABLE_RENDER_COND = 8,
>>
>>         SI_CLEAR         = SI_SAVE_FRAGMENT_STATE,
>>
>> -       SI_CLEAR_SURFACE = SI_SAVE_FRAMEBUFFER | SI_SAVE_FRAGMENT_STATE,
>> +       /* GL_ARB_clear_texture should ignore the render condition, but
>> +        * Gallium shouldn't. Follow OpenGL.
>> +        */
>> +       SI_CLEAR_SURFACE = SI_SAVE_FRAMEBUFFER | SI_SAVE_FRAGMENT_STATE |
>> +                          SI_DISABLE_RENDER_COND,
>>
>>         SI_COPY          = SI_SAVE_FRAMEBUFFER | SI_SAVE_TEXTURES |
>>                            SI_SAVE_FRAGMENT_STATE |
SI_DISABLE_RENDER_COND,
>>
>>         SI_BLIT          = SI_SAVE_FRAMEBUFFER | SI_SAVE_TEXTURES |
>>                            SI_SAVE_FRAGMENT_STATE,
>>
>>         SI_DECOMPRESS    = SI_SAVE_FRAMEBUFFER | SI_SAVE_FRAGMENT_STATE |
>>                            SI_DISABLE_RENDER_COND,
>>
>> diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
>> index e33823d..c1c2a9a 100644
>> --- a/src/gallium/drivers/radeonsi/si_pipe.c
>> +++ b/src/gallium/drivers/radeonsi/si_pipe.c
>> @@ -379,20 +379,21 @@ static int si_get_param(struct pipe_screen*
pscreen, enum pipe_cap param)
>>         case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
>>         case PIPE_CAP_INVALIDATE_BUFFER:
>>         case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
>>         case PIPE_CAP_QUERY_MEMORY_INFO:
>>         case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
>>         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
>>         case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
>>         case PIPE_CAP_GENERATE_MIPMAP:
>>         case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
>>         case PIPE_CAP_STRING_MARKER:
>> +       case PIPE_CAP_CLEAR_TEXTURE:
>>                 return 1;
>>
>>         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
>>                 return !SI_BIG_ENDIAN && sscreen->b.info.has_userptr;
>>
>>         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
>>                 return (sscreen->b.info.drm_major == 2 &&
>>                         sscreen->b.info.drm_minor >= 43) ||
>>                        sscreen->b.info.drm_major == 3;
>>
>> @@ -427,21 +428,20 @@ static int si_get_param(struct pipe_screen*
pscreen, enum pipe_cap param)
>>         case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
>>                 return 0;
>>
>>         /* Unsupported features. */
>>         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
>>         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
>>         case PIPE_CAP_USER_VERTEX_BUFFERS:
>>         case PIPE_CAP_FAKE_SW_MSAA:
>>         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
>>         case PIPE_CAP_VERTEXID_NOBASE:
>> -       case PIPE_CAP_CLEAR_TEXTURE:
>>         case PIPE_CAP_DRAW_PARAMETERS:
>>         case PIPE_CAP_MULTI_DRAW_INDIRECT:
>>         case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
>>         case PIPE_CAP_QUERY_BUFFER_OBJECT:
>>         case PIPE_CAP_CULL_DISTANCE:
>>         case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
>>         case PIPE_CAP_TGSI_VOTE:
>>         case PIPE_CAP_MAX_WINDOW_RECTANGLES:
>>                 return 0;
>>
>>
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