[Mesa-dev] [PATCH 2/2] r300g: small code cleanup

Marek Olšák maraeo at gmail.com
Fri Feb 6 09:16:50 PST 2015


You can update MAX_PREDS in this patch.

I proposed removing predicates a long time ago, but some people disagreed.

Marek

On Fri, Feb 6, 2015 at 5:19 PM, David Heidelberg <david at ixit.cz> wrote:
> Should I incorporate PIPE_SHADER_CAP_MAX_PREDS change in this patch or send
> another with idea of dropping PIPE_SHADER_CAP_MAX_PREDS completly from
> gallium, if there is no use?
>
> David
>
>
> On 02/06/2015 04:41 PM, Marek Olšák wrote:
>>
>> This looks good with one exception: MAX_PREDS should be 0 for all
>> shader stages. It has never been supported and never will be. With
>> that done, this patch is:
>>
>> Reviewed-by: Marek Olšák <marek.olsak at amd.com>
>>
>> Marek
>>
>> On Thu, Feb 5, 2015 at 11:56 PM, David Heidelberg <david at ixit.cz> wrote:
>>>
>>> Signed-off-by: David Heidelberg <david at ixit.cz>
>>> ---
>>>   src/gallium/drivers/r300/r300_reg.h    | 22 ++--------------------
>>>   src/gallium/drivers/r300/r300_screen.c |  4 +---
>>>   src/gallium/drivers/r300/r300_state.c  |  1 -
>>>   3 files changed, 3 insertions(+), 24 deletions(-)
>>>
>>> diff --git a/src/gallium/drivers/r300/r300_reg.h
>>> b/src/gallium/drivers/r300/r300_reg.h
>>> index 46aeba0..8a0728d 100644
>>> --- a/src/gallium/drivers/r300/r300_reg.h
>>> +++ b/src/gallium/drivers/r300/r300_reg.h
>>> @@ -191,7 +191,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
>>>   #      define R300_VAP_TCL_BYPASS              (1 << 8)
>>>   /* Read only flag if TCL engine is busy. */
>>>   #      define R300_VAP_PVS_BUSY                (1 << 11)
>>> -/* TODO: gap for MAX_MPS */
>>>   /* Read only flag if the vertex store is busy. */
>>>   #      define R300_VAP_VS_BUSY                 (1 << 24)
>>>   /* Read only flag if the reciprocal engine is busy. */
>>> @@ -921,9 +920,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
>>>    *
>>>    * The line width is given in multiples of 6.
>>>    * In default mode lines are classified as vertical lines.
>>> - * HO: horizontal
>>> - * VE: vertical or horizontal
>>> - * HO & VE: no classification
>>>    */
>>>   #define R300_GA_LINE_CNTL                             0x4234
>>>   #       define R300_GA_LINE_CNTL_WIDTH_SHIFT       0
>>> @@ -934,12 +930,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
>>>   #      define R300_GA_LINE_CNTL_END_TYPE_COMP     (3 << 16) /* Computed
>>> (perpendicular to slope) */
>>>   #      define R500_GA_LINE_CNTL_SORT_NO           (0 << 18)
>>>   #      define R500_GA_LINE_CNTL_SORT_MINX_MINY    (1 << 18)
>>> -/** TODO: looks wrong */
>>> -#       define R300_LINESIZE_MAX
>>> (R300_GA_LINE_CNTL_WIDTH_MASK / 6)
>>> -/** TODO: looks wrong */
>>> -#       define R300_LINE_CNT_HO               (1 << 16)
>>> -/** TODO: looks wrong */
>>> -#       define R300_LINE_CNT_VE               (1 << 17)
>>>
>>>   /* Line Stipple configuration information. */
>>>   #define R300_GA_LINE_STIPPLE_CONFIG                   0x4238
>>> @@ -1278,8 +1268,6 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
>>>   #define R300_RS_IP_1                                   0x4314
>>>   #define R300_RS_IP_2                                   0x4318
>>>   #define R300_RS_IP_3                                   0x431C
>>> -#       define R300_RS_INTERP_SRC_SHIFT          2 /* TODO: check for
>>> removal */
>>> -#       define R300_RS_INTERP_SRC_MASK           (7 << 2) /* TODO: check
>>> for removal */
>>>   #      define R300_RS_TEX_PTR(x)                       (x << 0)
>>>   #      define R300_RS_COL_PTR(x)                       ((x) << 6)
>>>   #      define R300_RS_COL_FMT(x)                       ((x) << 9)
>>> @@ -3300,7 +3288,7 @@ enum {
>>>   #   define R500_INST_ALPHA_PRED_SEL_GGGG               (3 << 25)
>>>   #   define R500_INST_ALPHA_PRED_SEL_BBBB               (4 << 25)
>>>   #   define R500_INST_ALPHA_PRED_SEL_AAAA               (5 << 25)
>>> -/* XXX next four are kind of guessed */
>>> +/* Next four are guessed, documentation doesn't mention order. */
>>>   #   define R500_INST_STAT_WE_R                         (1 << 28)
>>>   #   define R500_INST_STAT_WE_G                         (1 << 29)
>>>   #   define R500_INST_STAT_WE_B                         (1 << 30)
>>> @@ -3546,19 +3534,13 @@ enum {
>>>   /*
>>>    * CP type-3 packets
>>>    */
>>> -#define R300_CP_CMD_BITBLT_MULTI       0xC0009B00
>>> -
>>> -/* XXX Corbin's stuff from radeon and r200 */
>>> -
>>>   #define RADEON_WAIT_UNTIL                   0x1720
>>>   #       define RADEON_WAIT_CRTC_PFLIP       (1 << 0)
>>>   #       define RADEON_WAIT_2D_IDLECLEAN     (1 << 16)
>>>   #       define RADEON_WAIT_3D_IDLECLEAN     (1 << 17)
>>>   #       define RADEON_WAIT_HOST_IDLECLEAN   (1 << 18)
>>>
>>> -#define R200_3D_DRAW_IMMD_2      0xC0003500
>>> -
>>> -#define RADEON_CP_PACKET0 0x0 /* XXX stolen from radeon_reg.h */
>>> +#define RADEON_CP_PACKET0                           0x00000000
>>>   #define RADEON_CP_PACKET3                           0xC0000000
>>>
>>>   #define RADEON_ONE_REG_WR        (1 << 15)
>>> diff --git a/src/gallium/drivers/r300/r300_screen.c
>>> b/src/gallium/drivers/r300/r300_screen.c
>>> index 640d547..0a0ad16 100644
>>> --- a/src/gallium/drivers/r300/r300_screen.c
>>> +++ b/src/gallium/drivers/r300/r300_screen.c
>>> @@ -321,7 +321,7 @@ static int r300_get_shader_param(struct pipe_screen
>>> *pscreen, unsigned shader, e
>>>           case PIPE_SHADER_CAP_MAX_TEMPS:
>>>               return 32;
>>>           case PIPE_SHADER_CAP_MAX_PREDS:
>>> -            return is_r500 ? 4 : 0; /* XXX guessed. */
>>> +            return is_r500 ? 4 : 0;
>>>           case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
>>>               return 1;
>>>           case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
>>> @@ -372,8 +372,6 @@ static float r300_get_paramf(struct pipe_screen*
>>> pscreen,
>>>           case PIPE_CAPF_GUARD_BAND_TOP:
>>>           case PIPE_CAPF_GUARD_BAND_RIGHT:
>>>           case PIPE_CAPF_GUARD_BAND_BOTTOM:
>>> -            /* XXX I don't know what these should be but the least we
>>> can do is
>>> -             * silence the potential error message */
>>>               return 0.0f;
>>>           default:
>>>               debug_printf("r300: Warning: Unknown CAP %d in
>>> get_paramf.\n",
>>> diff --git a/src/gallium/drivers/r300/r300_state.c
>>> b/src/gallium/drivers/r300/r300_state.c
>>> index 6ce0329..e886df8 100644
>>> --- a/src/gallium/drivers/r300/r300_state.c
>>> +++ b/src/gallium/drivers/r300/r300_state.c
>>> @@ -1156,7 +1156,6 @@ static void r300_delete_fs_state(struct
>>> pipe_context* pipe, void* shader)
>>>   static void r300_set_polygon_stipple(struct pipe_context* pipe,
>>>                                        const struct pipe_poly_stipple*
>>> state)
>>>   {
>>> -    /* XXX no idea how to set this up, but not terribly important */
>>>   }
>>>
>>>   /* Create a new rasterizer state based on the CSO rasterizer state.
>>> --
>>> 2.2.2
>>>
>>> _______________________________________________
>>> mesa-dev mailing list
>>> mesa-dev at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
>


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