gallium: rename read-outputs cap

This cap is no longer TGSI-specific, so let's update the name to reflect
reality.

Reviewed-by: Adam Jackson <ajax@redhat.com>
Acked-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15316>

docs/gallium/screen.rst

@@ -408,7 +408,7 @@ The integer capabilities:
 * ``PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS``: Whether interleaved stream
   output mode is able to interleave across buffers. This is required for
   ARB_transform_feedback3.
-* ``PIPE_CAP_TGSI_CAN_READ_OUTPUTS``: Whether every TGSI shader stage can read
+* ``PIPE_CAP_SHADER_CAN_READ_OUTPUTS``: Whether every TGSI shader stage can read
   from the output file.
 * ``PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY``: Tell the GLSL compiler to use
   the minimum amount of optimizations just to be able to do all the linking

src/gallium/auxiliary/util/u_screen.c

@@ -285,7 +285,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
    case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
-   case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+   case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
    case PIPE_CAP_NATIVE_FENCE_FD:
       return 0;
 

src/gallium/drivers/nouveau/nv30/nv30_screen.c

@@ -216,7 +216,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
    case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
    case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
-   case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+   case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
    case PIPE_CAP_NATIVE_FENCE_FD:
    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
    case PIPE_CAP_FBFETCH:

src/gallium/drivers/nouveau/nv50/nv50_screen.c

@@ -328,7 +328,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TGSI_VOTE:
    case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
-   case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+   case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
    case PIPE_CAP_NATIVE_FENCE_FD:
    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
    case PIPE_CAP_FBFETCH:

src/gallium/drivers/nouveau/nvc0/nvc0_screen.c

@@ -382,7 +382,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_PCI_BUS:
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
-   case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+   case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
    case PIPE_CAP_NATIVE_FENCE_FD:
    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
    case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:

src/gallium/drivers/radeonsi/si_get.c

@@ -127,7 +127,7 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_CLEAR_TEXTURE:
    case PIPE_CAP_CULL_DISTANCE:
    case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
-   case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+   case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
    case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
    case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
    case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:

src/gallium/drivers/v3d/v3d_screen.c

@@ -132,7 +132,7 @@ v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_MULTI_DRAW_INDIRECT:
         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
-        case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
+        case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
         case PIPE_CAP_SHADER_PACK_HALF_FLOAT:
         case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
         case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:

src/gallium/include/pipe/p_defines.h

@@ -885,7 +885,7 @@ enum pipe_cap
    PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
    PIPE_CAP_SHADER_ARRAY_COMPONENTS,
    PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
-   PIPE_CAP_TGSI_CAN_READ_OUTPUTS,
+   PIPE_CAP_SHADER_CAN_READ_OUTPUTS,
    PIPE_CAP_NATIVE_FENCE_FD,
    PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY,
    PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS,

src/mesa/state_tracker/st_glsl_to_nir.cpp

@@ -376,7 +376,7 @@ st_nir_preprocess(struct st_context *st, struct gl_program *prog,
                  nir_shader_get_entrypoint(nir),
                  true, true);
    } else if (nir->info.stage == MESA_SHADER_FRAGMENT ||
-              !screen->get_param(screen, PIPE_CAP_TGSI_CAN_READ_OUTPUTS)) {
+              !screen->get_param(screen, PIPE_CAP_SHADER_CAN_READ_OUTPUTS)) {
       NIR_PASS_V(nir, nir_lower_io_to_temporaries,
                  nir_shader_get_entrypoint(nir),
                  true, false);

src/mesa/state_tracker/st_glsl_to_tgsi.cpp

@@ -7264,7 +7264,7 @@ get_mesa_program_tgsi(struct gl_context *ctx,
                                          prog->Parameters);
 
    /* Remove reads from output registers. */
-   if (!pscreen->get_param(pscreen, PIPE_CAP_TGSI_CAN_READ_OUTPUTS))
+   if (!pscreen->get_param(pscreen, PIPE_CAP_SHADER_CAN_READ_OUTPUTS))
       lower_output_reads(shader->Stage, shader->ir);
 
    /* Emit intermediate IR for main(). */