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zink: implement ARB_draw_indirect

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other than the vaguely gross case of primitive restart with incompatible
draw modes and/or restart index, this is no trouble since the buffer formats
are compatible

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7191>
This commit is contained in:
Mike Blumenkrantz
2020-07-11 11:46:21 -04:00
committed by Marge Bot
parent 3e3b6e995f
commit 7c5129985b
3 changed files with 15 additions and 6 deletions
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2
docs/features.txt
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@@ -114,7 +114,7 @@ GL 3.3, GLSL 3.30 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, soft
GL 4.0, GLSL 4.00 --- all DONE: i965/gen7+, nvc0, r600, radeonsi, llvmpipe, virgl
GL_ARB_draw_buffers_blend DONE (freedreno, i965/gen6+, nv50, softpipe, swr, zink, panfrost)
GL_ARB_draw_indirect DONE (freedreno, i965/gen7+, softpipe, swr, v3d)
GL_ARB_draw_indirect DONE (freedreno, i965/gen7+, softpipe, swr, v3d, zink)
GL_ARB_gpu_shader5 DONE (i965/gen7+)
- 'precise' qualifier DONE (softpipe)
- Dynamically uniform sampler array indices DONE (softpipe)

12
src/gallium/drivers/zink/zink_draw.c
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@@ -509,6 +509,11 @@ zink_draw_vbo(struct pipe_context *pctx,
struct zink_resource *res = zink_resource(index_buffer);
vkCmdBindIndexBuffer(batch->cmdbuf, res->buffer, index_offset, index_type);
zink_batch_reference_resource_rw(batch, res, false);
if (dinfo->indirect) {
struct zink_resource *indirect = zink_resource(dinfo->indirect->buffer);
zink_batch_reference_resource_rw(batch, indirect, false);
vkCmdDrawIndexedIndirect(batch->cmdbuf, indirect->buffer, dinfo->indirect->offset, dinfo->indirect->draw_count, dinfo->indirect->stride);
} else
vkCmdDrawIndexed(batch->cmdbuf,
dinfo->count, dinfo->instance_count,
need_index_buffer_unref ? 0 : dinfo->start, dinfo->index_bias, dinfo->start_instance);
@@ -518,8 +523,11 @@ zink_draw_vbo(struct pipe_context *pctx,
screen->vk_CmdDrawIndirectByteCountEXT(batch->cmdbuf, dinfo->instance_count, dinfo->start_instance,
zink_resource(so_target->counter_buffer)->buffer, so_target->counter_buffer_offset, 0,
MIN2(so_target->stride, screen->info.tf_props.maxTransformFeedbackBufferDataStride));
}
else
} else if (dinfo->indirect) {
struct zink_resource *indirect = zink_resource(dinfo->indirect->buffer);
zink_batch_reference_resource_rw(batch, indirect, false);
vkCmdDrawIndirect(batch->cmdbuf, indirect->buffer, dinfo->indirect->offset, dinfo->indirect->draw_count, dinfo->indirect->stride);
} else
vkCmdDraw(batch->cmdbuf, dinfo->count, dinfo->instance_count, dinfo->start, dinfo->start_instance);
}

1
src/gallium/drivers/zink/zink_screen.c
View File

@@ -97,6 +97,7 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
switch (param) {
case PIPE_CAP_NPOT_TEXTURES:
case PIPE_CAP_TGSI_TEXCOORD:
case PIPE_CAP_DRAW_INDIRECT:
return 1;
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: