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panfrost: Cleanup mali_viewport (clipping) code

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig
2019-02-15 06:45:07 +00:00
parent a94463732a
commit 49985cebea
2 changed files with 18 additions and 16 deletions
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src/gallium/drivers/panfrost/include/panfrost-job.h
+8 -3
View File
@@ -1186,10 +1186,15 @@ struct mali_sampler_descriptor {
*/
struct mali_viewport {
float floats[4];
/* XY clipping planes */
float clip_minx;
float clip_miny;
float clip_maxx;
float clip_maxy;
float depth_range_n;
float depth_range_f;
/* Depth clipping planes */
float clip_minz;
float clip_maxz;
u16 viewport0[2];
u16 viewport1[2];
src/gallium/drivers/panfrost/pan_context.c
+10 -13
View File
@@ -548,25 +548,22 @@ panfrost_attach_vt_framebuffer(struct panfrost_context *ctx)
static void
panfrost_viewport(struct panfrost_context *ctx,
float depth_range_n,
float depth_range_f,
float depth_clip_near,
float depth_clip_far,
int viewport_x0, int viewport_y0,
int viewport_x1, int viewport_y1)
{
/* Viewport encoding is asymmetric. Purpose of the floats is unknown? */
/* Clip bounds are encoded as floats. The viewport itself is encoded as
* (somewhat) asymmetric ints. */
struct mali_viewport ret = {
.floats = {
#if 0
-inff, -inff,
inff, inff,
#endif
0.0, 0.0,
2048.0, 1600.0,
},
.clip_minx = viewport_x0,
.clip_miny = viewport_y0,
.clip_maxx = viewport_x1,
.clip_maxy = viewport_x1,
.depth_range_n = depth_range_n,
.depth_range_f = depth_range_f,
.clip_minz = depth_clip_near,
.clip_maxz = depth_clip_far,
.viewport0 = { viewport_x0, viewport_y0 },
.viewport1 = { MALI_POSITIVE(viewport_x1), MALI_POSITIVE(viewport_y1) },