Mesa (master): gallium/radeon: implement ARB_clear_texture (v3)
Marek Olšák
mareko at kemper.freedesktop.org
Tue Aug 9 23:32:09 UTC 2016
Module: Mesa
Branch: master
Commit: 739d526b0757fb544322d3e03447d11de9a51b40
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=739d526b0757fb544322d3e03447d11de9a51b40
Author: Marek Olšák <marek.olsak at amd.com>
Date: Thu Aug 4 19:04:02 2016 +0200
gallium/radeon: implement ARB_clear_texture (v3)
Some ideas copied from Jakob Sinclair's implementation, but the color
clearing is completely different.
v2: remove leftover code, disable conditional rendering
disable render condition cleanly
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
docs/GL3.txt | 2 +-
docs/relnotes/12.1.0.html | 1 +
src/gallium/drivers/r600/r600_pipe.c | 2 +-
src/gallium/drivers/radeon/r600_texture.c | 67 +++++++++++++++++++++++++++++++
src/gallium/drivers/radeonsi/si_pipe.c | 2 +-
5 files changed, 71 insertions(+), 3 deletions(-)
diff --git a/docs/GL3.txt b/docs/GL3.txt
index 0ba5a25..6597984 100644
--- a/docs/GL3.txt
+++ b/docs/GL3.txt
@@ -192,7 +192,7 @@ 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
diff --git a/docs/relnotes/12.1.0.html b/docs/relnotes/12.1.0.html
index 1204038..2324972 100644
--- a/docs/relnotes/12.1.0.html
+++ b/docs/relnotes/12.1.0.html
@@ -44,6 +44,7 @@ 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_indirect_parameters on radeonsi</li>
<li>GL_ARB_shader_draw_parameters on radeonsi</li>
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
@@ -283,6 +283,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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:
@@ -355,7 +356,6 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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:
diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
index f7c2f80..ddfa135 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -30,6 +30,7 @@
#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>
@@ -1696,6 +1697,71 @@ static void r600_surface_destroy(struct pipe_context *pipe,
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}};
+ struct pipe_surface *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, false);
+ } 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, false);
+ } 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);
@@ -2332,4 +2398,5 @@ 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_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 86d7632..62b62db 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -386,6 +386,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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:
@@ -434,7 +435,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
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_QUERY_BUFFER_OBJECT:
case PIPE_CAP_CULL_DISTANCE:
case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
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