On 08/05/2016 05:42 AM, Marek Olšák wrote:
> From: Marek Olšák <marek.ol...@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,
>
> 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;
This one line looks a little weird/non-explicit of correct intent.
with that clarity fix, this patch is
Reviewed-by: Edward O'Callaghan <funfunc...@folklore1984.net>
> + 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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