+static int
+v3d_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
+ enum pipe_compute_cap param, void *ret)
+{
+ struct v3d_screen *screen = v3d_screen(pscreen);
+
+ if (!screen->has_csd)
+ return 0;
+
+#define RET(x) do { \
+ if (ret) \
+ memcpy(ret, x, sizeof(x)); \
+ return sizeof(x); \
+ } while (0)
+
+ switch (param) {
+ case PIPE_COMPUTE_CAP_ADDRESS_BITS:
+ RET((uint32_t []) { 32 });
+ break;
+
+ case PIPE_COMPUTE_CAP_IR_TARGET:
+ sprintf(ret, "v3d");
+ return strlen(ret);
+
+ case PIPE_COMPUTE_CAP_GRID_DIMENSION:
+ RET((uint64_t []) { 3 });
+
+ case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
+ /* GL_MAX_COMPUTE_SHADER_WORK_GROUP_COUNT: The CSD has a
+ * 16-bit field for the number of workgroups in each
+ * dimension.
+ */
+ RET(((uint64_t []) { 65535, 65535, 65535 }));
+
+ case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
+ /* GL_MAX_COMPUTE_WORK_GROUP_SIZE */
+ RET(((uint64_t []) { 256, 256, 256 }));
+
+ case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
+ case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
+ /* GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS: This is
+ * limited by WG_SIZE in the CSD.
+ */
+ RET((uint64_t []) { 256 });
+
+ case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
+ RET((uint64_t []) { 1024 * 1024 * 1024 });
+
+ case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
+ /* GL_MAX_COMPUTE_SHARED_MEMORY_SIZE */
+ RET((uint64_t []) { 32768 });
+
+ case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
+ case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
+ RET((uint64_t []) { 4096 });
+
+ case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: {
+ struct sysinfo si;
+ sysinfo(&si);
+ RET((uint64_t []) { si.totalram });
+ }
+
+ case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
+ /* OpenCL only */
+ RET((uint32_t []) { 0 });
+
+ case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
+ RET((uint32_t []) { 1 });
+
+ case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
+ RET((uint32_t []) { 1 });
+
+ case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
+ RET((uint32_t []) { 16 });
+
+ }
+
+ return 0;
+}
+
+static bool