radeonsi: increase the maximum UBO size to 2 GB

Same as the closed driver.

This causes a failure in GL45-CTS.compute_shader.max, which has a trivial
bug.

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>

diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index a282b69a87b104f6122a9eb8c6173ad4fef3e4f3..47368fb7c91992ba56bd635514a862d6efa0fde9 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -397,7 +397,7 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
        case PIPE_SHADER_CAP_MAX_TEMPS:
                return 256; /* Max native temporaries. */
        case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
-               return 4096 * sizeof(float[4]); /* actually only memory limits this */
+               return MIN2(sscreen->info.max_alloc_size, INT_MAX - 3); /* aligned to 4 */
        case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
                return SI_NUM_CONST_BUFFERS;
        case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: