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crocus/gen8: add viewport support

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11507>
This commit is contained in:
Dave Airlie 2021-06-22 05:19:38 +10:00 • committed by Marge Bot
parent d12a9eda72
commit 524eae8b78
1 changed files with 25 additions and 5 deletions
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30
src/gallium/drivers/crocus/crocus_state.c
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@ -3299,6 +3299,14 @@ crocus_set_stencil_ref(struct pipe_context *ctx,
ice->state.dirty |= CROCUS_DIRTY_COLOR_CALC_STATE;
}
#if GFX_VER == 8
static float
viewport_extent(const struct pipe_viewport_state *state, int axis, float sign)
{
return copysignf(state->scale[axis], sign) + state->translate[axis];
}
#endif
/**
* The pipe->set_viewport_states() driver hook.
*
@ -5856,7 +5864,7 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
if (dirty & CROCUS_DIRTY_SF_CL_VIEWPORT) {
struct pipe_framebuffer_state *cso_fb = &ice->state.framebuffer;
#if GFX_VER == 7
#if GFX_VER >= 7
uint32_t sf_cl_vp_address;
uint32_t *vp_map =
stream_state(batch,
@ -5877,11 +5885,17 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
const struct pipe_viewport_state *state = &ice->state.viewports[i];
float gb_xmin, gb_xmax, gb_ymin, gb_ymax;
#if GFX_VER == 8
float vp_xmin = viewport_extent(state, 0, -1.0f);
float vp_xmax = viewport_extent(state, 0, 1.0f);
float vp_ymin = viewport_extent(state, 1, -1.0f);
float vp_ymax = viewport_extent(state, 1, 1.0f);
#endif
intel_calculate_guardband_size(cso_fb->width, cso_fb->height,
state->scale[0], state->scale[1],
state->translate[0], state->translate[1],
&gb_xmin, &gb_xmax, &gb_ymin, &gb_ymax);
#if GFX_VER == 7
#if GFX_VER >= 7
crocus_pack_state(GENX(SF_CLIP_VIEWPORT), vp_map, vp)
#else
crocus_pack_state(GENX(SF_VIEWPORT), vp_map, vp)
@ -5902,11 +5916,17 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
vp.ScissorRectangle.ScissorRectangleYMax = scissor.maxy;
#endif
#if GFX_VER == 7
#if GFX_VER >= 7
vp.XMinClipGuardband = gb_xmin;
vp.XMaxClipGuardband = gb_xmax;
vp.YMinClipGuardband = gb_ymin;
vp.YMaxClipGuardband = gb_ymax;
#endif
#if GFX_VER == 8
vp.XMinViewPort = MAX2(vp_xmin, 0);
vp.XMaxViewPort = MIN2(vp_xmax, cso_fb->width) - 1;
vp.YMinViewPort = MAX2(vp_ymin, 0);
vp.YMaxViewPort = MIN2(vp_ymax, cso_fb->height) - 1;
#endif
}
#if GFX_VER < 7
@ -5917,14 +5937,14 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
clip.YMaxClipGuardband = gb_ymax;
}
#endif
#if GFX_VER == 7
#if GFX_VER >= 7
vp_map += GENX(SF_CLIP_VIEWPORT_length);
#else
vp_map += GENX(SF_VIEWPORT_length);
clip_map += GENX(CLIP_VIEWPORT_length);
#endif
}
#if GFX_VER == 7
#if GFX_VER >= 7
crocus_emit_cmd(batch, GENX(3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP), ptr) {
ptr.SFClipViewportPointer = sf_cl_vp_address;
}