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radv: Expose radv_get_viewport_xform in radv_private.h

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We need to emit viewport transform information for culling shaders.
This is used for small primitive culling.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10525>
This commit is contained in:
Timur Kristóf 2021-06-07 23:43:27 +02:00 • committed by Marge Bot
parent e97f0463a8
commit ed163a44b6
2 changed files with 8 additions and 5 deletions
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3
src/amd/vulkan/radv_private.h
View file

@ -1637,6 +1637,9 @@ radv_get_descriptors_state(struct radv_cmd_buffer *cmd_buffer, VkPipelineBindPoi
}
}
void
radv_get_viewport_xform(const VkViewport *viewport, float scale[3], float translate[3]);
/*
* Takes x,y,z as exact numbers of invocations, instead of blocks.
*

10
src/amd/vulkan/si_cmd_buffer.c
View file

@ -648,8 +648,8 @@ fail:
device->ws->cs_destroy(cs);
}
static void
get_viewport_xform(const VkViewport *viewport, float scale[3], float translate[3])
void
radv_get_viewport_xform(const VkViewport *viewport, float scale[3], float translate[3])
{
float x = viewport->x;
float y = viewport->y;
@ -678,7 +678,7 @@ si_write_viewport(struct radeon_cmdbuf *cs, int first_vp, int count, const VkVie
for (i = 0; i < count; i++) {
float scale[3], translate[3];
get_viewport_xform(&viewports[i], scale, translate);
radv_get_viewport_xform(&viewports[i], scale, translate);
radeon_emit(cs, fui(scale[0]));
radeon_emit(cs, fui(translate[0]));
radeon_emit(cs, fui(scale[1]));
@ -702,7 +702,7 @@ si_scissor_from_viewport(const VkViewport *viewport)
float scale[3], translate[3];
VkRect2D rect;
get_viewport_xform(viewport, scale, translate);
radv_get_viewport_xform(viewport, scale, translate);
rect.offset.x = translate[0] - fabsf(scale[0]);
rect.offset.y = translate[1] - fabsf(scale[1]);
@ -740,7 +740,7 @@ si_write_scissors(struct radeon_cmdbuf *cs, int first, int count, const VkRect2D
VkRect2D viewport_scissor = si_scissor_from_viewport(viewports + i);
VkRect2D scissor = si_intersect_scissor(&scissors[i], &viewport_scissor);
get_viewport_xform(viewports + i, scale, translate);
radv_get_viewport_xform(viewports + i, scale, translate);
scale[0] = fabsf(scale[0]);
scale[1] = fabsf(scale[1]);