gallium: rename PIPE_CAP_MAX_SHADER_BUFFER_SIZE -> *_UINT

to imply the maximum of 4GB - 1.

Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16881>

docs/gallium/screen.rst

@@ -520,8 +520,8 @@ The integer capabilities:
   ```set_sample_locations```.
 * ``PIPE_CAP_MAX_GS_INVOCATIONS``: Maximum supported value of
   TGSI_PROPERTY_GS_INVOCATIONS.
-* ``PIPE_CAP_MAX_SHADER_BUFFER_SIZE``: Maximum supported size for binding
+* ``PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT``: Maximum supported size for binding
-  with set_shader_buffers.
+  with set_shader_buffers. This is unsigned integer with the maximum of 4GB - 1.
 * ``PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS``: Maximum total number of shader
   buffers. A value of 0 means the sum of all per-shader stage maximums (see
   ``PIPE_SHADER_CAP_MAX_SHADER_BUFFERS``).

src/gallium/auxiliary/util/u_screen.c

@@ -375,7 +375,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
 
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
 
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:

src/gallium/drivers/crocus/crocus_screen.c

@@ -294,7 +294,7 @@ crocus_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return CROCUS_MAP_BUFFER_ALIGNMENT;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return devinfo->ver >= 7 ? 4 : 0;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return devinfo->ver >= 7 ? (1 << 27) : 0;
    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
       return 16; // XXX: u_screen says 256 is the minimum value...

src/gallium/drivers/i915/i915_screen.c

@@ -423,7 +423,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
 
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
 
    case PIPE_CAP_MAX_VIEWPORTS:

src/gallium/drivers/iris/iris_screen.c

@@ -335,7 +335,7 @@ iris_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return IRIS_MAP_BUFFER_ALIGNMENT;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
       return 16; // XXX: u_screen says 256 is the minimum value...

src/gallium/drivers/llvmpipe/lp_screen.c

@@ -339,7 +339,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return LP_MAX_TGSI_SHADER_BUFFER_SIZE;
    case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
    case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE:

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

@@ -258,7 +258,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_VENDOR_ID:
       return 0x10de;

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

@@ -155,7 +155,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 0;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
       return 2048;

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

@@ -162,7 +162,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return 4;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
       return 2048;

src/gallium/drivers/r300/r300_screen.c

@@ -180,7 +180,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
         case PIPE_CAP_MAX_GS_INVOCATIONS:
             return 32;
-       case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+       case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
             return 1 << 27;
 
         /* SWTCL-only features. */

src/gallium/drivers/r600/r600_pipe.c

@@ -405,7 +405,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 		return 32;
 
 	/* shader buffer objects */
-	case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+	case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
 		return 1 << 27;
 	case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
 		return 8;

src/gallium/drivers/radeonsi/si_get.c

@@ -234,7 +234,7 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       return 4096 * 1024;
 
    case PIPE_CAP_MAX_TEXEL_BUFFER_ELEMENTS_UINT:
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       /* Allow max 512 MB to pass CTS with a 32-bit build. */
       return MIN2(sscreen->info.max_alloc_size, 512 * 1024 * 1024);
    case PIPE_CAP_MAX_TEXTURE_MB:

src/gallium/drivers/softpipe/sp_screen.c

@@ -304,7 +304,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 0;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
       return 4;

src/gallium/drivers/svga/svga_screen.c

@@ -455,7 +455,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return 1;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    /* Verify this once protocol is finalized. Setting it to minimum value. */
    case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:

src/gallium/drivers/virgl/virgl_screen.c

@@ -322,7 +322,7 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_CLIP_HALFZ;
    case PIPE_CAP_MAX_GS_INVOCATIONS:
       return 32;
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       return 1 << 27;
    case PIPE_CAP_VENDOR_ID:
       return 0x1af4;

src/gallium/drivers/zink/zink_screen.c

@@ -735,7 +735,7 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
       /* gallium handles this automatically */
       return 0;
 
-   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
+   case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
       /* 1<<27 is required by VK spec */
       assert(screen->info.props.limits.maxStorageBufferRange >= 1 << 27);
       /* but Gallium can't handle values that are too big, so clamp to VK spec minimum */

src/gallium/frontends/lavapipe/lvp_device.c

@@ -260,7 +260,7 @@ lvp_physical_device_init(struct lvp_physical_device *device,
       .maxImageArrayLayers                      = device->pscreen->get_param(device->pscreen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS),
       .maxTexelBufferElements                   = device->pscreen->get_param(device->pscreen, PIPE_CAP_MAX_TEXEL_BUFFER_ELEMENTS_UINT),
       .maxUniformBufferRange                    = min_shader_param(device->pscreen, PIPE_SHADER_CAP_MAX_CONST_BUFFER0_SIZE),
-      .maxStorageBufferRange                    = device->pscreen->get_param(device->pscreen, PIPE_CAP_MAX_SHADER_BUFFER_SIZE),
+      .maxStorageBufferRange                    = device->pscreen->get_param(device->pscreen, PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT),
       .maxPushConstantsSize                     = MAX_PUSH_CONSTANTS_SIZE,
       .maxMemoryAllocationCount                 = UINT32_MAX,
       .maxSamplerAllocationCount                = 32 * 1024,

src/gallium/include/pipe/p_defines.h

@@ -925,7 +925,7 @@ enum pipe_cap
    PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE,
    PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS,
    PIPE_CAP_MAX_GS_INVOCATIONS,
-   PIPE_CAP_MAX_SHADER_BUFFER_SIZE,
+   PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT,
    PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE,
    PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS,
    PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS,

src/mesa/state_tracker/st_extensions.c

@@ -547,7 +547,7 @@ void st_init_limits(struct pipe_screen *screen,
       c->MaxCombinedShaderOutputResources +=
          c->MaxCombinedShaderStorageBlocks;
       c->MaxShaderStorageBlockSize =
-         screen->get_param(screen, PIPE_CAP_MAX_SHADER_BUFFER_SIZE);
+         screen->get_param(screen, PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT);
       if (c->Program[MESA_SHADER_FRAGMENT].MaxShaderStorageBlocks)
          extensions->ARB_shader_storage_buffer_object = GL_TRUE;
    }