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llvmpipe: replace GET_A0() macro w/ inline function

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And GET_DADX(), GET_DADY(), GET_PLANES().  This is a bit more
readable, making the expected parameter types explicit.

Signed-off-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17062>
This commit is contained in:
Brian Paul 2022-06-03 09:02:18 -06:00
parent 26775d7ca7
commit 53cd3f331f
1 changed files with 37 additions and 4 deletions
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41
src/gallium/drivers/llvmpipe/lp_rast.h
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@ -188,11 +188,44 @@ struct lp_rast_clear_rb {
};
#define GET_A0(inputs) ((float (*)[4])((inputs)+1))
#define GET_DADX(inputs) ((float (*)[4])((char *)((inputs) + 1) + (inputs)->stride))
#define GET_DADY(inputs) ((float (*)[4])((char *)((inputs) + 1) + 2 * (inputs)->stride))
#define GET_PLANES(tri) ((struct lp_rast_plane *)((char *)(&(tri)->inputs + 1) + 3 * (tri)->inputs.stride))
/*
* Return the address (as float[][4]) of the FS input values which
* are immediately after the 'inputs' object.
*/
static inline float(*
GET_A0(const struct lp_rast_shader_inputs *inputs))[4]
{
return (float (*)[4]) (inputs + 1);
}
/*
* Return the address (as float[][4]) of the FS input partial derivatives
* (w.r.t. X) which are after the 'inputs' object.
*/
static inline float(*
GET_DADX(const struct lp_rast_shader_inputs *inputs))[4]
{
const uint8_t *p = (const uint8_t *) (inputs + 1);
return (float (*)[4]) (p + 1 * inputs->stride);
}
/*
* Return the address (as float[][4]) of the FS input partial derivatives
* (w.r.t. Y) which are after the 'inputs' object.
*/
static inline float(*
GET_DADY(const struct lp_rast_shader_inputs *inputs))[4]
{
const uint8_t *p = (const uint8_t *) (inputs + 1);
return (float (*)[4]) (p + 2 * inputs->stride);
}
static inline struct lp_rast_plane *
GET_PLANES(const struct lp_rast_triangle *tri)
{
const uint8_t *p = (const uint8_t *) (&tri->inputs + 1);
return (struct lp_rast_plane *) (p + 3 * tri->inputs.stride);
}
struct lp_rasterizer *