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panfrost: Drop union mali_attr 

Now replaced by the XML translation. I left the comment explaining
instancing since this is still very good information about how to
calculate these fields.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6326>
This commit is contained in:
Alyssa Rosenzweig 2020-08-14 16:04:47 -04:00 committed by Marge Bot
parent 4e3fe54e2e
commit 7a13351234
1 changed files with 0 additions and 58 deletions
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58
src/panfrost/include/panfrost-job.h
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@ -653,66 +653,8 @@ struct mali_payload_write_value {
* 3. If e <= 2^shift, then we need to use the round-down algorithm. Set
* magic_divisor = m - 1 and extra_flags = 1.
* 4. Otherwise, set magic_divisor = m and extra_flags = 0.
*
* Unrelated to instancing/actual attributes, images (the OpenCL kind) are
* implemented as special attributes, denoted by MALI_ATTR_IMAGE. For images,
* let shift=extra_flags=0. Stride is set to the image format's bytes-per-pixel
* (*NOT the row stride*). Size is set to the size of the image itself.
*
* Special internal attribtues and varyings (gl_VertexID, gl_FrontFacing, etc)
* use particular fixed addresses with modified structures.
*/
enum mali_attr_mode {
MALI_ATTR_UNUSED = 0,
MALI_ATTR_LINEAR = 1,
MALI_ATTR_POT_DIVIDE = 2,
MALI_ATTR_MODULO = 3,
MALI_ATTR_NPOT_DIVIDE = 4,
MALI_ATTR_IMAGE = 5,
};
/* Pseudo-address for gl_VertexID, gl_FragCoord, gl_FrontFacing */
#define MALI_ATTR_VERTEXID (0x22)
#define MALI_ATTR_INSTANCEID (0x24)
#define MALI_VARYING_FRAG_COORD (0x25)
#define MALI_VARYING_FRONT_FACING (0x26)
/* This magic "pseudo-address" is used as `elements` to implement
* gl_PointCoord. When read from a fragment shader, it generates a point
* coordinate per the OpenGL ES 2.0 specification. Flipped coordinate spaces
* require an affine transformation in the shader. */
#define MALI_VARYING_POINT_COORD (0x61)
/* Used for comparison to check if an address is special. Mostly a guess, but
* it doesn't really matter. */
#define MALI_RECORD_SPECIAL (0x100)
union mali_attr {
/* This is used for actual attributes. */
struct {
/* The bottom 3 bits are the mode */
mali_ptr elements : 64 - 8;
u32 shift : 5;
u32 extra_flags : 3;
u32 stride;
u32 size;
};
/* The entry after an NPOT_DIVIDE entry has this format. It stores
* extra information that wouldn't fit in a normal entry.
*/
struct {
u32 unk; /* = 0x20 */
u32 magic_divisor;
u32 zero;
/* This is the original, GL-level divisor. */
u32 divisor;
};
} __attribute__((packed));
#define FBD_MASK (~0x3f)
/* MFBD, rather than SFBD */