nvc0: implement new stream output interface
[mesa.git] / src / gallium / drivers / r600 / r600_pipe.c
index 70e3619de4b3b79428170677fe1228a5a84ebe74..97c6808260d75f44092a97eda3dea9e0ebefbb67 100644 (file)
  */
 #include <stdio.h>
 #include <errno.h>
-#include <pipe/p_defines.h>
-#include <pipe/p_state.h>
-#include <pipe/p_context.h>
-#include <tgsi/tgsi_scan.h>
-#include <tgsi/tgsi_parse.h>
-#include <tgsi/tgsi_util.h>
-#include <util/u_blitter.h>
-#include <util/u_double_list.h>
+#include "pipe/p_defines.h"
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+#include "tgsi/tgsi_scan.h"
+#include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_util.h"
+#include "util/u_blitter.h"
+#include "util/u_double_list.h"
 #include "util/u_format.h"
-#include <util/u_format_s3tc.h>
-#include <util/u_transfer.h>
-#include <util/u_surface.h>
-#include <util/u_pack_color.h>
-#include <util/u_memory.h>
-#include <util/u_inlines.h>
+#include "util/u_format_s3tc.h"
+#include "util/u_transfer.h"
+#include "util/u_surface.h"
+#include "util/u_pack_color.h"
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
 #include "util/u_upload_mgr.h"
+#include "vl/vl_decoder.h"
+#include "vl/vl_video_buffer.h"
 #include "os/os_time.h"
-#include <pipebuffer/pb_buffer.h>
+#include "pipebuffer/pb_buffer.h"
 #include "r600.h"
 #include "r600d.h"
 #include "r600_resource.h"
 #include "r600_shader.h"
 #include "r600_pipe.h"
-#include "r600_state_inlines.h"
-#include "r600_video_context.h"
 
 /*
  * pipe_context
@@ -57,12 +57,15 @@ static struct r600_fence *r600_create_fence(struct r600_pipe_context *ctx)
 
        if (!ctx->fences.bo) {
                /* Create the shared buffer object */
-               ctx->fences.bo = r600_bo(ctx->radeon, 4096, 0, 0, 0);
+               ctx->fences.bo = (struct r600_resource*)
+                       pipe_buffer_create(&ctx->screen->screen, PIPE_BIND_CUSTOM,
+                                          PIPE_USAGE_STAGING, 4096);
                if (!ctx->fences.bo) {
                        R600_ERR("r600: failed to create bo for fence objects\n");
                        return NULL;
                }
-               ctx->fences.data = r600_bo_map(ctx->radeon, ctx->fences.bo, PB_USAGE_UNSYNCHRONIZED, NULL);
+               ctx->fences.data = ctx->ws->buffer_map(ctx->fences.bo->buf, ctx->ctx.cs,
+                                                      PIPE_TRANSFER_WRITE);
        }
 
        if (!LIST_IS_EMPTY(&ctx->fences.pool)) {
@@ -113,37 +116,42 @@ static struct r600_fence *r600_create_fence(struct r600_pipe_context *ctx)
        return fence;
 }
 
-static void r600_flush(struct pipe_context *ctx,
-                       struct pipe_fence_handle **fence)
+
+void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
+               unsigned flags)
 {
        struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
        struct r600_fence **rfence = (struct r600_fence**)fence;
-
-#if 0
-       static int dc = 0;
-       char dname[256];
-#endif
+       struct pipe_query *render_cond = NULL;
+       unsigned render_cond_mode = 0;
 
        if (rfence)
                *rfence = r600_create_fence(rctx);
 
-       if (!rctx->ctx.pm4_cdwords)
-               return;
+       /* Disable render condition. */
+       if (rctx->current_render_cond) {
+               render_cond = rctx->current_render_cond;
+               render_cond_mode = rctx->current_render_cond_mode;
+               ctx->render_condition(ctx, NULL, 0);
+       }
+
+       r600_context_flush(&rctx->ctx, flags);
 
-#if 0
-       sprintf(dname, "gallium-%08d.bof", dc);
-       if (dc < 20) {
-               r600_context_dump_bof(&rctx->ctx, dname);
-               R600_ERR("dumped %s\n", dname);
+       /* Re-enable render condition. */
+       if (render_cond) {
+               ctx->render_condition(ctx, render_cond, render_cond_mode);
        }
-       dc++;
-#endif
-       r600_context_flush(&rctx->ctx);
+}
 
-       /* XXX This shouldn't be really necessary, but removing it breaks some tests.
-        * Needless buffer reallocations may significantly increase memory consumption,
-        * so getting rid of this call is important. */
-       u_upload_flush(rctx->vbuf_mgr->uploader);
+static void r600_flush_from_st(struct pipe_context *ctx,
+                              struct pipe_fence_handle **fence)
+{
+       r600_flush(ctx, fence, 0);
+}
+
+static void r600_flush_from_winsys(void *ctx, unsigned flags)
+{
+       r600_flush((struct pipe_context*)ctx, NULL, flags);
 }
 
 static void r600_update_num_contexts(struct r600_screen *rscreen, int diff)
@@ -180,7 +188,7 @@ static void r600_destroy_context(struct pipe_context *context)
                free(rctx->states[i]);
        }
 
-       u_vbuf_mgr_destroy(rctx->vbuf_mgr);
+       u_vbuf_destroy(rctx->vbuf_mgr);
        util_slab_destroy(&rctx->pool_transfers);
 
        if (rctx->fences.bo) {
@@ -191,8 +199,8 @@ static void r600_destroy_context(struct pipe_context *context)
                        FREE(entry);
                }
 
-               r600_bo_unmap(rctx->radeon, rctx->fences.bo);
-               r600_bo_reference(rctx->radeon, &rctx->fences.bo, NULL);
+               rctx->ws->buffer_unmap(rctx->fences.bo->buf);
+               pipe_resource_reference((struct pipe_resource**)&rctx->fences.bo, NULL);
        }
 
        r600_update_num_contexts(rctx->screen, -1);
@@ -204,7 +212,6 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
 {
        struct r600_pipe_context *rctx = CALLOC_STRUCT(r600_pipe_context);
        struct r600_screen* rscreen = (struct r600_screen *)screen;
-       enum chip_class class;
 
        if (rctx == NULL)
                return NULL;
@@ -215,12 +222,13 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
        rctx->context.screen = screen;
        rctx->context.priv = priv;
        rctx->context.destroy = r600_destroy_context;
-       rctx->context.flush = r600_flush;
+       rctx->context.flush = r600_flush_from_st;
 
        /* Easy accessing of screen/winsys. */
        rctx->screen = rscreen;
-       rctx->radeon = rscreen->radeon;
-       rctx->family = r600_get_family(rctx->radeon);
+       rctx->ws = rscreen->ws;
+       rctx->family = rscreen->family;
+       rctx->chip_class = rscreen->chip_class;
 
        rctx->fences.bo = NULL;
        rctx->fences.data = NULL;
@@ -234,56 +242,45 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
        r600_init_surface_functions(rctx);
        rctx->context.draw_vbo = r600_draw_vbo;
 
-       switch (r600_get_family(rctx->radeon)) {
-       case CHIP_R600:
-       case CHIP_RV610:
-       case CHIP_RV630:
-       case CHIP_RV670:
-       case CHIP_RV620:
-       case CHIP_RV635:
-       case CHIP_RS780:
-       case CHIP_RS880:
-       case CHIP_RV770:
-       case CHIP_RV730:
-       case CHIP_RV710:
-       case CHIP_RV740:
+       rctx->context.create_video_decoder = vl_create_decoder;
+       rctx->context.create_video_buffer = vl_video_buffer_create;
+
+       switch (rctx->chip_class) {
+       case R600:
+       case R700:
                r600_init_state_functions(rctx);
-               if (r600_context_init(&rctx->ctx, rctx->radeon)) {
+               if (r600_context_init(&rctx->ctx, rctx->screen)) {
                        r600_destroy_context(&rctx->context);
                        return NULL;
                }
                r600_init_config(rctx);
+               rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
                break;
-       case CHIP_CEDAR:
-       case CHIP_REDWOOD:
-       case CHIP_JUNIPER:
-       case CHIP_CYPRESS:
-       case CHIP_HEMLOCK:
-       case CHIP_PALM:
-       case CHIP_SUMO:
-       case CHIP_SUMO2:
-       case CHIP_BARTS:
-       case CHIP_TURKS:
-       case CHIP_CAICOS:
-       case CHIP_CAYMAN:
+       case EVERGREEN:
+       case CAYMAN:
                evergreen_init_state_functions(rctx);
-               if (evergreen_context_init(&rctx->ctx, rctx->radeon)) {
+               if (evergreen_context_init(&rctx->ctx, rctx->screen)) {
                        r600_destroy_context(&rctx->context);
                        return NULL;
                }
                evergreen_init_config(rctx);
+               rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
                break;
        default:
-               R600_ERR("unsupported family %d\n", r600_get_family(rctx->radeon));
+               R600_ERR("Unsupported chip class %d.\n", rctx->chip_class);
                r600_destroy_context(&rctx->context);
                return NULL;
        }
 
+       rctx->ctx.pipe = &rctx->context;
+       rctx->ctx.flush = r600_flush_from_winsys;
+       rctx->ws->cs_set_flush_callback(rctx->ctx.cs, r600_flush_from_winsys, rctx);
+
        util_slab_create(&rctx->pool_transfers,
                         sizeof(struct pipe_transfer), 64,
                         UTIL_SLAB_SINGLETHREADED);
 
-       rctx->vbuf_mgr = u_vbuf_mgr_create(&rctx->context, 1024 * 1024, 256,
+       rctx->vbuf_mgr = u_vbuf_create(&rctx->context, 1024 * 1024, 256,
                                           PIPE_BIND_VERTEX_BUFFER |
                                           PIPE_BIND_INDEX_BUFFER |
                                           PIPE_BIND_CONSTANT_BUFFER,
@@ -292,6 +289,7 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
                r600_destroy_context(&rctx->context);
                return NULL;
        }
+       rctx->vbuf_mgr->caps.format_fixed32 = 0;
 
        rctx->blitter = util_blitter_create(&rctx->context);
        if (rctx->blitter == NULL) {
@@ -299,11 +297,7 @@ static struct pipe_context *r600_create_context(struct pipe_screen *screen, void
                return NULL;
        }
 
-       class = r600_get_family_class(rctx->radeon);
-       if (class == R600 || class == R700)
-               rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
-       else
-               rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
+       r600_get_backend_mask(&rctx->ctx); /* this emits commands and must be last */
 
        return &rctx->context;
 }
@@ -350,30 +344,26 @@ static const char *r600_get_family_name(enum radeon_family family)
 static const char* r600_get_name(struct pipe_screen* pscreen)
 {
        struct r600_screen *rscreen = (struct r600_screen *)pscreen;
-       enum radeon_family family = r600_get_family(rscreen->radeon);
 
-       return r600_get_family_name(family);
+       return r600_get_family_name(rscreen->family);
 }
 
 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 {
        struct r600_screen *rscreen = (struct r600_screen *)pscreen;
-       enum radeon_family family = r600_get_family(rscreen->radeon);
+       enum radeon_family family = rscreen->family;
 
        switch (param) {
        /* Supported features (boolean caps). */
        case PIPE_CAP_NPOT_TEXTURES:
        case PIPE_CAP_TWO_SIDED_STENCIL:
-       case PIPE_CAP_GLSL:
        case PIPE_CAP_DUAL_SOURCE_BLEND:
        case PIPE_CAP_ANISOTROPIC_FILTER:
        case PIPE_CAP_POINT_SPRITE:
        case PIPE_CAP_OCCLUSION_QUERY:
        case PIPE_CAP_TEXTURE_SHADOW_MAP:
        case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
-       case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
        case PIPE_CAP_BLEND_EQUATION_SEPARATE:
-       case PIPE_CAP_SM3:
        case PIPE_CAP_TEXTURE_SWIZZLE:
        case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
        case PIPE_CAP_DEPTH_CLAMP:
@@ -382,6 +372,12 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
+       case PIPE_CAP_SM3:
+       case PIPE_CAP_SEAMLESS_CUBE_MAP:
+       case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL:
+       case PIPE_CAP_PRIMITIVE_RESTART:
+       case PIPE_CAP_CONDITIONAL_RENDER:
+       case PIPE_CAP_TEXTURE_BARRIER:
                return 1;
 
        /* Supported except the original R600. */
@@ -391,23 +387,21 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                return family == CHIP_R600 ? 0 : 1;
 
        /* Supported on Evergreen. */
-       case PIPE_CAP_SEAMLESS_CUBE_MAP:
        case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
                return family >= CHIP_CEDAR ? 1 : 0;
 
        /* Unsupported features. */
-       case PIPE_CAP_STREAM_OUTPUT:
-       case PIPE_CAP_PRIMITIVE_RESTART:
-       case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL:
+       case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+       case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_ATTRIBS:
+       case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
+       case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
+       case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
        case PIPE_CAP_TGSI_INSTANCEID:
        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
+       case PIPE_CAP_SCALED_RESOLVE:
                return 0;
 
-       case PIPE_CAP_ARRAY_TEXTURES:
-               /* fix once the CS checker upstream is fixed */
-               return debug_get_bool_option("R600_ARRAY_TEXTURE", FALSE);
-
        /* Texturing. */
        case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
        case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
@@ -416,9 +410,9 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
                        return 15;
                else
                        return 14;
-       case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
-       case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
-               return 16;
+       case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
+               return rscreen->info.drm_minor >= 9 ?
+                       (family >= CHIP_CEDAR ? 16384 : 8192) : 0;
        case PIPE_CAP_MAX_COMBINED_SAMPLERS:
                return 32;
 
@@ -429,40 +423,48 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
        /* Timer queries, present when the clock frequency is non zero. */
        case PIPE_CAP_TIMER_QUERY:
-               return r600_get_clock_crystal_freq(rscreen->radeon) != 0;
+               return rscreen->info.r600_clock_crystal_freq != 0;
 
-       default:
-               R600_ERR("r600: unknown param %d\n", param);
-               return 0;
+       case PIPE_CAP_MIN_TEXEL_OFFSET:
+               return -8;
+
+       case PIPE_CAP_MAX_TEXEL_OFFSET:
+               return 7;
        }
+       return 0;
 }
 
-static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
+static float r600_get_paramf(struct pipe_screen* pscreen,
+                            enum pipe_capf param)
 {
        struct r600_screen *rscreen = (struct r600_screen *)pscreen;
-       enum radeon_family family = r600_get_family(rscreen->radeon);
+       enum radeon_family family = rscreen->family;
 
        switch (param) {
-       case PIPE_CAP_MAX_LINE_WIDTH:
-       case PIPE_CAP_MAX_LINE_WIDTH_AA:
-       case PIPE_CAP_MAX_POINT_WIDTH:
-       case PIPE_CAP_MAX_POINT_WIDTH_AA:
+       case PIPE_CAPF_MAX_LINE_WIDTH:
+       case PIPE_CAPF_MAX_LINE_WIDTH_AA:
+       case PIPE_CAPF_MAX_POINT_WIDTH:
+       case PIPE_CAPF_MAX_POINT_WIDTH_AA:
                if (family >= CHIP_CEDAR)
                        return 16384.0f;
                else
                        return 8192.0f;
-       case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+       case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
                return 16.0f;
-       case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+       case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
                return 16.0f;
-       default:
-               R600_ERR("r600: unsupported paramf %d\n", param);
+       case PIPE_CAPF_GUARD_BAND_LEFT:
+       case PIPE_CAPF_GUARD_BAND_TOP:
+       case PIPE_CAPF_GUARD_BAND_RIGHT:
+       case PIPE_CAPF_GUARD_BAND_BOTTOM:
                return 0.0f;
        }
+       return 0.0f;
 }
 
 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 {
+       struct r600_screen *rscreen = (struct r600_screen *)pscreen;
        switch(shader)
        {
        case PIPE_SHADER_FRAGMENT:
@@ -487,9 +489,9 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e
                return 8; /* FIXME */
        case PIPE_SHADER_CAP_MAX_INPUTS:
                if(shader == PIPE_SHADER_FRAGMENT)
-                       return 10;
+                       return 34;
                else
-                       return 16;
+                       return 32;
        case PIPE_SHADER_CAP_MAX_TEMPS:
                return 256; /* Max native temporaries. */
        case PIPE_SHADER_CAP_MAX_ADDRS:
@@ -510,67 +512,35 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e
                return 1;
        case PIPE_SHADER_CAP_SUBROUTINES:
                return 0;
-       default:
+       case PIPE_SHADER_CAP_INTEGERS:
+               if (rscreen->chip_class == EVERGREEN)
+                       return 1;
                return 0;
+       case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+               return 16;
+       case PIPE_SHADER_CAP_OUTPUT_READ:
+               return 1;
        }
+       return 0;
 }
 
-static boolean r600_is_format_supported(struct pipe_screen* screen,
-                                       enum pipe_format format,
-                                       enum pipe_texture_target target,
-                                       unsigned sample_count,
-                                        unsigned usage)
+static int r600_get_video_param(struct pipe_screen *screen,
+                               enum pipe_video_profile profile,
+                               enum pipe_video_cap param)
 {
-       unsigned retval = 0;
-       if (target >= PIPE_MAX_TEXTURE_TYPES) {
-               R600_ERR("r600: unsupported texture type %d\n", target);
-               return FALSE;
-       }
-
-        if (!util_format_is_supported(format, usage))
-                return FALSE;
-
-       /* Multisample */
-       if (sample_count > 1)
-               return FALSE;
-
-       if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
-           r600_is_sampler_format_supported(screen, format)) {
-               retval |= PIPE_BIND_SAMPLER_VIEW;
-       }
-
-       if ((usage & (PIPE_BIND_RENDER_TARGET |
-                       PIPE_BIND_DISPLAY_TARGET |
-                       PIPE_BIND_SCANOUT |
-                       PIPE_BIND_SHARED)) &&
-                       r600_is_colorbuffer_format_supported(format)) {
-               retval |= usage &
-                       (PIPE_BIND_RENDER_TARGET |
-                        PIPE_BIND_DISPLAY_TARGET |
-                        PIPE_BIND_SCANOUT |
-                        PIPE_BIND_SHARED);
-       }
-
-       if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
-           r600_is_zs_format_supported(format)) {
-               retval |= PIPE_BIND_DEPTH_STENCIL;
-       }
-
-       if (usage & PIPE_BIND_VERTEX_BUFFER) {
-               struct r600_screen *rscreen = (struct r600_screen *)screen;
-               enum radeon_family family = r600_get_family(rscreen->radeon);
-
-               if (r600_is_vertex_format_supported(format, family)) {
-                       retval |= PIPE_BIND_VERTEX_BUFFER;
-               }
+       switch (param) {
+       case PIPE_VIDEO_CAP_SUPPORTED:
+               return vl_profile_supported(screen, profile);
+       case PIPE_VIDEO_CAP_NPOT_TEXTURES:
+               return 1;
+       case PIPE_VIDEO_CAP_MAX_WIDTH:
+       case PIPE_VIDEO_CAP_MAX_HEIGHT:
+               return vl_video_buffer_max_size(screen);
+       case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED:
+               return vl_num_buffers_desired(screen, profile);
+       default:
+               return 0;
        }
-
-       if (usage & PIPE_BIND_TRANSFER_READ)
-               retval |= PIPE_BIND_TRANSFER_READ;
-       if (usage & PIPE_BIND_TRANSFER_WRITE)
-               retval |= PIPE_BIND_TRANSFER_WRITE;
-
-       return retval == usage;
 }
 
 static void r600_destroy_screen(struct pipe_screen* pscreen)
@@ -580,7 +550,7 @@ static void r600_destroy_screen(struct pipe_screen* pscreen)
        if (rscreen == NULL)
                return;
 
-       radeon_decref(rscreen->radeon);
+       rscreen->ws->destroy(rscreen->ws);
 
        util_slab_destroy(&rscreen->pool_buffers);
        pipe_mutex_destroy(rscreen->mutex_num_contexts);
@@ -644,36 +614,184 @@ static boolean r600_fence_finish(struct pipe_screen *pscreen,
        return TRUE;
 }
 
-struct pipe_screen *r600_screen_create(struct radeon *radeon)
+static int r600_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
+{
+       switch ((tiling_config & 0xe) >> 1) {
+       case 0:
+               rscreen->tiling_info.num_channels = 1;
+               break;
+       case 1:
+               rscreen->tiling_info.num_channels = 2;
+               break;
+       case 2:
+               rscreen->tiling_info.num_channels = 4;
+               break;
+       case 3:
+               rscreen->tiling_info.num_channels = 8;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch ((tiling_config & 0x30) >> 4) {
+       case 0:
+               rscreen->tiling_info.num_banks = 4;
+               break;
+       case 1:
+               rscreen->tiling_info.num_banks = 8;
+               break;
+       default:
+               return -EINVAL;
+
+       }
+       switch ((tiling_config & 0xc0) >> 6) {
+       case 0:
+               rscreen->tiling_info.group_bytes = 256;
+               break;
+       case 1:
+               rscreen->tiling_info.group_bytes = 512;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int evergreen_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
+{
+       switch (tiling_config & 0xf) {
+       case 0:
+               rscreen->tiling_info.num_channels = 1;
+               break;
+       case 1:
+               rscreen->tiling_info.num_channels = 2;
+               break;
+       case 2:
+               rscreen->tiling_info.num_channels = 4;
+               break;
+       case 3:
+               rscreen->tiling_info.num_channels = 8;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch ((tiling_config & 0xf0) >> 4) {
+       case 0:
+               rscreen->tiling_info.num_banks = 4;
+               break;
+       case 1:
+               rscreen->tiling_info.num_banks = 8;
+               break;
+       case 2:
+               rscreen->tiling_info.num_banks = 16;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch ((tiling_config & 0xf00) >> 8) {
+       case 0:
+               rscreen->tiling_info.group_bytes = 256;
+               break;
+       case 1:
+               rscreen->tiling_info.group_bytes = 512;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int r600_init_tiling(struct r600_screen *rscreen)
 {
-       struct r600_screen *rscreen;
+       uint32_t tiling_config = rscreen->info.r600_tiling_config;
+
+       /* set default group bytes, overridden by tiling info ioctl */
+       if (rscreen->chip_class <= R700) {
+               rscreen->tiling_info.group_bytes = 256;
+       } else {
+               rscreen->tiling_info.group_bytes = 512;
+       }
+
+       if (!tiling_config)
+               return 0;
+
+       if (rscreen->chip_class <= R700) {
+               return r600_interpret_tiling(rscreen, tiling_config);
+       } else {
+               return evergreen_interpret_tiling(rscreen, tiling_config);
+       }
+}
+
+static unsigned radeon_family_from_device(unsigned device)
+{
+       switch (device) {
+#define CHIPSET(pciid, name, family) case pciid: return CHIP_##family;
+#include "pci_ids/r600_pci_ids.h"
+#undef CHIPSET
+       default:
+               return CHIP_UNKNOWN;
+       }
+}
 
-       rscreen = CALLOC_STRUCT(r600_screen);
+struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
+{
+       struct r600_screen *rscreen = CALLOC_STRUCT(r600_screen);
        if (rscreen == NULL) {
                return NULL;
        }
 
-       rscreen->radeon = radeon;
-       rscreen->screen.winsys = (struct pipe_winsys*)radeon;
+       rscreen->ws = ws;
+       ws->query_info(ws, &rscreen->info);
+
+       rscreen->family = radeon_family_from_device(rscreen->info.pci_id);
+       if (rscreen->family == CHIP_UNKNOWN) {
+               fprintf(stderr, "r600: Unknown chipset 0x%04X\n", rscreen->info.pci_id);
+               FREE(rscreen);
+               return NULL;
+       }
+
+       /* setup class */
+       if (rscreen->family == CHIP_CAYMAN) {
+               rscreen->chip_class = CAYMAN;
+       } else if (rscreen->family >= CHIP_CEDAR) {
+               rscreen->chip_class = EVERGREEN;
+       } else if (rscreen->family >= CHIP_RV770) {
+               rscreen->chip_class = R700;
+       } else {
+               rscreen->chip_class = R600;
+       }
+
+       if (r600_init_tiling(rscreen)) {
+               FREE(rscreen);
+               return NULL;
+       }
+
+       rscreen->screen.winsys = (struct pipe_winsys*)ws;
        rscreen->screen.destroy = r600_destroy_screen;
        rscreen->screen.get_name = r600_get_name;
        rscreen->screen.get_vendor = r600_get_vendor;
        rscreen->screen.get_param = r600_get_param;
        rscreen->screen.get_shader_param = r600_get_shader_param;
        rscreen->screen.get_paramf = r600_get_paramf;
-       rscreen->screen.is_format_supported = r600_is_format_supported;
+       rscreen->screen.get_video_param = r600_get_video_param;
+       if (rscreen->chip_class >= EVERGREEN) {
+               rscreen->screen.is_format_supported = evergreen_is_format_supported;
+       } else {
+               rscreen->screen.is_format_supported = r600_is_format_supported;
+       }
+       rscreen->screen.is_video_format_supported = vl_video_buffer_is_format_supported;
        rscreen->screen.context_create = r600_create_context;
-       rscreen->screen.video_context_create = r600_video_create;
        rscreen->screen.fence_reference = r600_fence_reference;
        rscreen->screen.fence_signalled = r600_fence_signalled;
        rscreen->screen.fence_finish = r600_fence_finish;
        r600_init_screen_resource_functions(&rscreen->screen);
 
-       rscreen->tiling_info = r600_get_tiling_info(radeon);
        util_format_s3tc_init();
 
        util_slab_create(&rscreen->pool_buffers,
-                        sizeof(struct r600_resource_buffer), 64,
+                        sizeof(struct r600_resource), 64,
                         UTIL_SLAB_SINGLETHREADED);
 
        pipe_mutex_init(rscreen->mutex_num_contexts);