v3d: Rename the driver files from "vc5" to "v3d".

1 files changed, 648 insertions, 0 deletions

diff --git a/src/gallium/drivers/v3d/v3d_screen.c b/src/gallium/drivers/v3d/v3d_screen.c
new file mode 100644
index 00000000000..95e6a6907f4
--- /dev/null
+++ b/src/gallium/drivers/v3d/v3d_screen.c
@@ -0,0 +1,648 @@
+/*
+ * Copyright © 2014-2017 Broadcom
+ * Copyright (C) 2012 Rob Clark <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "os/os_misc.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+
+#include "util/u_debug.h"
+#include "util/u_memory.h"
+#include "util/u_format.h"
+#include "util/u_hash_table.h"
+#include "util/ralloc.h"
+
+#include <xf86drm.h>
+#include "v3d_screen.h"
+#include "v3d_context.h"
+#include "v3d_resource.h"
+#include "compiler/v3d_compiler.h"
+
+static const char *
+vc5_screen_get_name(struct pipe_screen *pscreen)
+{
+        struct vc5_screen *screen = vc5_screen(pscreen);
+
+        if (!screen->name) {
+                screen->name = ralloc_asprintf(screen,
+                                               "VC5 V3D %d.%d",
+                                               screen->devinfo.ver / 10,
+                                               screen->devinfo.ver % 10);
+        }
+
+        return screen->name;
+}
+
+static const char *
+vc5_screen_get_vendor(struct pipe_screen *pscreen)
+{
+        return "Broadcom";
+}
+
+static void
+vc5_screen_destroy(struct pipe_screen *pscreen)
+{
+        struct vc5_screen *screen = vc5_screen(pscreen);
+
+        util_hash_table_destroy(screen->bo_handles);
+        vc5_bufmgr_destroy(pscreen);
+        slab_destroy_parent(&screen->transfer_pool);
+
+        if (using_vc5_simulator)
+                vc5_simulator_destroy(screen);
+
+        v3d_compiler_free(screen->compiler);
+
+        close(screen->fd);
+        ralloc_free(pscreen);
+}
+
+static int
+vc5_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
+{
+        struct vc5_screen *screen = vc5_screen(pscreen);
+
+        switch (param) {
+                /* Supported features (boolean caps). */
+        case PIPE_CAP_VERTEX_COLOR_CLAMPED:
+        case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
+        case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
+        case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
+        case PIPE_CAP_NPOT_TEXTURES:
+        case PIPE_CAP_SHAREABLE_SHADERS:
+        case PIPE_CAP_BLEND_EQUATION_SEPARATE:
+        case PIPE_CAP_TEXTURE_MULTISAMPLE:
+        case PIPE_CAP_TEXTURE_SWIZZLE:
+        case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
+        case PIPE_CAP_START_INSTANCE:
+        case PIPE_CAP_TGSI_INSTANCEID:
+        case PIPE_CAP_SM3:
+        case PIPE_CAP_TEXTURE_QUERY_LOD:
+        case PIPE_CAP_PRIMITIVE_RESTART:
+        case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
+        case PIPE_CAP_OCCLUSION_QUERY:
+        case PIPE_CAP_POINT_SPRITE:
+        case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
+        case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
+        case PIPE_CAP_COMPUTE:
+        case PIPE_CAP_DRAW_INDIRECT:
+        case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+        case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
+                return 1;
+
+        case PIPE_CAP_INDEP_BLEND_ENABLE:
+                return screen->devinfo.ver >= 40;
+
+        case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
+                return 256;
+
+        case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
+                return 4;
+
+        case PIPE_CAP_GLSL_FEATURE_LEVEL:
+                return 400;
+
+        case PIPE_CAP_MAX_VIEWPORTS:
+                return 1;
+
+        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
+                return 1;
+        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
+                return 0;
+        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
+                if (screen->devinfo.ver >= 40)
+                        return 0;
+                else
+                        return 1;
+        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
+                if (screen->devinfo.ver >= 40)
+                        return 1;
+                else
+                        return 0;
+
+        case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
+        case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
+        case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
+                return 1;
+
+
+                /* Stream output. */
+        case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+                return 4;
+        case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
+        case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
+                return 64;
+
+        case PIPE_CAP_MIN_TEXEL_OFFSET:
+        case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
+                return -8;
+        case PIPE_CAP_MAX_TEXEL_OFFSET:
+        case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
+                return 7;
+
+                /* Unsupported features. */
+        case PIPE_CAP_ANISOTROPIC_FILTER:
+        case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
+        case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
+        case PIPE_CAP_CUBE_MAP_ARRAY:
+        case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
+        case PIPE_CAP_SEAMLESS_CUBE_MAP:
+        case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
+        case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+        case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
+        case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
+        case PIPE_CAP_SHADER_STENCIL_EXPORT:
+        case PIPE_CAP_TGSI_TEXCOORD:
+        case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
+        case PIPE_CAP_CONDITIONAL_RENDER:
+        case PIPE_CAP_TEXTURE_BARRIER:
+        case PIPE_CAP_INDEP_BLEND_FUNC:
+        case PIPE_CAP_DEPTH_CLIP_DISABLE:
+        case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
+        case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
+        case PIPE_CAP_USER_VERTEX_BUFFERS:
+        case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
+        case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
+        case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
+        case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
+        case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
+        case PIPE_CAP_TEXTURE_GATHER_SM5:
+        case PIPE_CAP_FAKE_SW_MSAA:
+        case PIPE_CAP_SAMPLE_SHADING:
+        case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
+        case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
+        case PIPE_CAP_MAX_VERTEX_STREAMS:
+        case PIPE_CAP_MULTI_DRAW_INDIRECT:
+        case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
+        case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
+        case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
+        case PIPE_CAP_SAMPLER_VIEW_TARGET:
+        case PIPE_CAP_CLIP_HALFZ:
+        case PIPE_CAP_VERTEXID_NOBASE:
+        case PIPE_CAP_POLYGON_OFFSET_CLAMP:
+        case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
+        case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
+        case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
+        case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
+        case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
+        case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
+        case PIPE_CAP_DEPTH_BOUNDS_TEST:
+        case PIPE_CAP_TGSI_TXQS:
+        case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
+        case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
+        case PIPE_CAP_CLEAR_TEXTURE:
+        case PIPE_CAP_DRAW_PARAMETERS:
+        case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
+        case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
+        case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
+        case PIPE_CAP_INVALIDATE_BUFFER:
+        case PIPE_CAP_GENERATE_MIPMAP:
+        case PIPE_CAP_STRING_MARKER:
+        case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
+        case PIPE_CAP_QUERY_BUFFER_OBJECT:
+        case PIPE_CAP_QUERY_MEMORY_INFO:
+        case PIPE_CAP_PCI_GROUP:
+        case PIPE_CAP_PCI_BUS:
+        case PIPE_CAP_PCI_DEVICE:
+        case PIPE_CAP_PCI_FUNCTION:
+        case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
+        case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
+        case PIPE_CAP_CULL_DISTANCE:
+        case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
+        case PIPE_CAP_TGSI_VOTE:
+        case PIPE_CAP_MAX_WINDOW_RECTANGLES:
+        case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
+        case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
+        case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
+        case PIPE_CAP_TGSI_FS_FBFETCH:
+        case PIPE_CAP_INT64:
+        case PIPE_CAP_INT64_DIVMOD:
+        case PIPE_CAP_DOUBLES:
+        case PIPE_CAP_BINDLESS_TEXTURE:
+        case PIPE_CAP_POST_DEPTH_COVERAGE:
+        case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
+        case PIPE_CAP_TGSI_BALLOT:
+        case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
+        case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
+        case PIPE_CAP_TGSI_CLOCK:
+        case PIPE_CAP_TGSI_TEX_TXF_LZ:
+        case PIPE_CAP_NATIVE_FENCE_FD:
+        case PIPE_CAP_FENCE_SIGNAL:
+        case PIPE_CAP_TGSI_MUL_ZERO_WINS:
+        case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
+        case PIPE_CAP_QUERY_SO_OVERFLOW:
+        case PIPE_CAP_MEMOBJ:
+        case PIPE_CAP_LOAD_CONSTBUF:
+        case PIPE_CAP_TILE_RASTER_ORDER:
+        case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
+        case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
+        case PIPE_CAP_CONTEXT_PRIORITY_MASK:
+        case PIPE_CAP_CONSTBUF0_FLAGS:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
+        case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
+        case PIPE_CAP_PACKED_UNIFORMS:
+                return 0;
+
+                /* Geometry shader output, unsupported. */
+        case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
+        case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
+                return 0;
+
+                /* Texturing. */
+        case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+        case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+        case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+                return VC5_MAX_MIP_LEVELS;
+        case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
+                return 2048;
+
+                /* Render targets. */
+        case PIPE_CAP_MAX_RENDER_TARGETS:
+                return 4;
+
+                /* Queries. */
+        case PIPE_CAP_QUERY_TIME_ELAPSED:
+        case PIPE_CAP_QUERY_TIMESTAMP:
+                return 0;
+
+        case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
+                return 2048;
+
+        case PIPE_CAP_ENDIANNESS:
+                return PIPE_ENDIAN_LITTLE;
+
+        case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
+                return 64;
+
+        case PIPE_CAP_VENDOR_ID:
+                return 0x14E4;
+        case PIPE_CAP_DEVICE_ID:
+                return 0xFFFFFFFF;
+        case PIPE_CAP_ACCELERATED:
+                return 1;
+        case PIPE_CAP_VIDEO_MEMORY: {
+                uint64_t system_memory;
+
+                if (!os_get_total_physical_memory(&system_memory))
+                        return 0;
+
+                return (int)(system_memory >> 20);
+        }
+        case PIPE_CAP_UMA:
+                return 1;
+
+        default:
+                fprintf(stderr, "unknown param %d\n", param);
+                return 0;
+        }
+}
+
+static float
+vc5_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
+{
+        switch (param) {
+        case PIPE_CAPF_MAX_LINE_WIDTH:
+        case PIPE_CAPF_MAX_LINE_WIDTH_AA:
+                return 32;
+
+        case PIPE_CAPF_MAX_POINT_WIDTH:
+        case PIPE_CAPF_MAX_POINT_WIDTH_AA:
+                return 512.0f;
+
+        case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
+                return 0.0f;
+        case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
+                return 16.0f;
+
+        case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
+        case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
+        case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
+                return 0.0f;
+        default:
+                fprintf(stderr, "unknown paramf %d\n", param);
+                return 0;
+        }
+}
+
+static int
+vc5_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
+                           enum pipe_shader_cap param)
+{
+        if (shader != PIPE_SHADER_VERTEX &&
+            shader != PIPE_SHADER_FRAGMENT) {
+                return 0;
+        }
+
+        /* this is probably not totally correct.. but it's a start: */
+        switch (param) {
+        case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
+        case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
+        case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
+        case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
+                return 16384;
+
+        case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
+                return UINT_MAX;
+
+        case PIPE_SHADER_CAP_MAX_INPUTS:
+                if (shader == PIPE_SHADER_FRAGMENT)
+                        return VC5_MAX_FS_INPUTS / 4;
+                else
+                        return 16;
+        case PIPE_SHADER_CAP_MAX_OUTPUTS:
+                if (shader == PIPE_SHADER_FRAGMENT)
+                        return 4;
+                else
+                        return VC5_MAX_FS_INPUTS / 4;
+        case PIPE_SHADER_CAP_MAX_TEMPS:
+                return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
+        case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
+                return 16 * 1024 * sizeof(float);
+        case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
+                return 16;
+        case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
+                return 0;
+        case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
+        case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
+        case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
+                return 0;
+        case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
+                return 1;
+        case PIPE_SHADER_CAP_SUBROUTINES:
+                return 0;
+        case PIPE_SHADER_CAP_INTEGERS:
+                return 1;
+        case PIPE_SHADER_CAP_FP16:
+        case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
+        case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
+        case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
+        case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
+                return 0;
+        case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+        case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
+        case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
+        case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+                return VC5_MAX_TEXTURE_SAMPLERS;
+        case PIPE_SHADER_CAP_PREFERRED_IR:
+                return PIPE_SHADER_IR_NIR;
+        case PIPE_SHADER_CAP_SUPPORTED_IRS:
+                return 0;
+        case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
+                return 32;
+        case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
+        case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
+                return 0;
+        default:
+                fprintf(stderr, "unknown shader param %d\n", param);
+                return 0;
+        }
+        return 0;
+}
+
+static boolean
+vc5_screen_is_format_supported(struct pipe_screen *pscreen,
+                               enum pipe_format format,
+                               enum pipe_texture_target target,
+                               unsigned sample_count,
+                               unsigned usage)
+{
+        struct vc5_screen *screen = vc5_screen(pscreen);
+
+        if (sample_count > 1 && sample_count != VC5_MAX_SAMPLES)
+                return FALSE;
+
+        if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
+            !util_format_is_supported(format, usage)) {
+                return FALSE;
+        }
+
+        if (usage & PIPE_BIND_VERTEX_BUFFER) {
+                switch (format) {
+                case PIPE_FORMAT_R32G32B32A32_FLOAT:
+                case PIPE_FORMAT_R32G32B32_FLOAT:
+                case PIPE_FORMAT_R32G32_FLOAT:
+                case PIPE_FORMAT_R32_FLOAT:
+                case PIPE_FORMAT_R32G32B32A32_SNORM:
+                case PIPE_FORMAT_R32G32B32_SNORM:
+                case PIPE_FORMAT_R32G32_SNORM:
+                case PIPE_FORMAT_R32_SNORM:
+                case PIPE_FORMAT_R32G32B32A32_SSCALED:
+                case PIPE_FORMAT_R32G32B32_SSCALED:
+                case PIPE_FORMAT_R32G32_SSCALED:
+                case PIPE_FORMAT_R32_SSCALED:
+                case PIPE_FORMAT_R16G16B16A16_UNORM:
+                case PIPE_FORMAT_R16G16B16_UNORM:
+                case PIPE_FORMAT_R16G16_UNORM:
+                case PIPE_FORMAT_R16_UNORM:
+                case PIPE_FORMAT_R16G16B16A16_SNORM:
+                case PIPE_FORMAT_R16G16B16_SNORM:
+                case PIPE_FORMAT_R16G16_SNORM:
+                case PIPE_FORMAT_R16_SNORM:
+                case PIPE_FORMAT_R16G16B16A16_USCALED:
+                case PIPE_FORMAT_R16G16B16_USCALED:
+                case PIPE_FORMAT_R16G16_USCALED:
+                case PIPE_FORMAT_R16_USCALED:
+                case PIPE_FORMAT_R16G16B16A16_SSCALED:
+                case PIPE_FORMAT_R16G16B16_SSCALED:
+                case PIPE_FORMAT_R16G16_SSCALED:
+                case PIPE_FORMAT_R16_SSCALED:
+                case PIPE_FORMAT_R8G8B8A8_UNORM:
+                case PIPE_FORMAT_R8G8B8_UNORM:
+                case PIPE_FORMAT_R8G8_UNORM:
+                case PIPE_FORMAT_R8_UNORM:
+                case PIPE_FORMAT_R8G8B8A8_SNORM:
+                case PIPE_FORMAT_R8G8B8_SNORM:
+                case PIPE_FORMAT_R8G8_SNORM:
+                case PIPE_FORMAT_R8_SNORM:
+                case PIPE_FORMAT_R8G8B8A8_USCALED:
+                case PIPE_FORMAT_R8G8B8_USCALED:
+                case PIPE_FORMAT_R8G8_USCALED:
+                case PIPE_FORMAT_R8_USCALED:
+                case PIPE_FORMAT_R8G8B8A8_SSCALED:
+                case PIPE_FORMAT_R8G8B8_SSCALED:
+                case PIPE_FORMAT_R8G8_SSCALED:
+                case PIPE_FORMAT_R8_SSCALED:
+                case PIPE_FORMAT_R10G10B10A2_UNORM:
+                case PIPE_FORMAT_B10G10R10A2_UNORM:
+                case PIPE_FORMAT_R10G10B10A2_SNORM:
+                case PIPE_FORMAT_B10G10R10A2_SNORM:
+                case PIPE_FORMAT_R10G10B10A2_USCALED:
+                case PIPE_FORMAT_B10G10R10A2_USCALED:
+                case PIPE_FORMAT_R10G10B10A2_SSCALED:
+                case PIPE_FORMAT_B10G10R10A2_SSCALED:
+                        break;
+                default:
+                        return FALSE;
+                }
+        }
+
+        if ((usage & PIPE_BIND_RENDER_TARGET) &&
+            !vc5_rt_format_supported(&screen->devinfo, format)) {
+                return FALSE;
+        }
+
+        if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
+            !vc5_tex_format_supported(&screen->devinfo, format)) {
+                return FALSE;
+        }
+
+        if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
+            !(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
+              format == PIPE_FORMAT_X8Z24_UNORM ||
+              format == PIPE_FORMAT_Z16_UNORM ||
+              format == PIPE_FORMAT_Z32_FLOAT ||
+              format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
+                return FALSE;
+        }
+
+        if ((usage & PIPE_BIND_INDEX_BUFFER) &&
+            !(format == PIPE_FORMAT_I8_UINT ||
+              format == PIPE_FORMAT_I16_UINT ||
+              format == PIPE_FORMAT_I32_UINT)) {
+                return FALSE;
+        }
+
+        return TRUE;
+}
+
+#define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
+
+static unsigned handle_hash(void *key)
+{
+    return PTR_TO_UINT(key);
+}
+
+static int handle_compare(void *key1, void *key2)
+{
+    return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
+}
+
+static bool
+vc5_get_device_info(struct vc5_screen *screen)
+{
+        struct drm_v3d_get_param ident0 = {
+                .param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
+        };
+        struct drm_v3d_get_param ident1 = {
+                .param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
+        };
+        int ret;
+
+        ret = vc5_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
+        if (ret != 0) {
+                fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
+                        strerror(errno));
+                return false;
+        }
+        ret = vc5_ioctl(screen->fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
+        if (ret != 0) {
+                fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
+                        strerror(errno));
+                return false;
+        }
+
+        uint32_t major = (ident0.value >> 24) & 0xff;
+        uint32_t minor = (ident1.value >> 0) & 0xf;
+        screen->devinfo.ver = major * 10 + minor;
+
+        switch (screen->devinfo.ver) {
+        case 33:
+        case 41:
+        case 42:
+                break;
+        default:
+                fprintf(stderr,
+                        "V3D %d.%d not supported by this version of Mesa.\n",
+                        screen->devinfo.ver / 10,
+                        screen->devinfo.ver % 10);
+                return false;
+        }
+
+        return true;
+}
+
+static const void *
+vc5_screen_get_compiler_options(struct pipe_screen *pscreen,
+                                enum pipe_shader_ir ir, unsigned shader)
+{
+        return &v3d_nir_options;
+}
+
+struct pipe_screen *
+v3d_screen_create(int fd)
+{
+        struct vc5_screen *screen = rzalloc(NULL, struct vc5_screen);
+        struct pipe_screen *pscreen;
+
+        pscreen = &screen->base;
+
+        pscreen->destroy = vc5_screen_destroy;
+        pscreen->get_param = vc5_screen_get_param;
+        pscreen->get_paramf = vc5_screen_get_paramf;
+        pscreen->get_shader_param = vc5_screen_get_shader_param;
+        pscreen->context_create = vc5_context_create;
+        pscreen->is_format_supported = vc5_screen_is_format_supported;
+
+        screen->fd = fd;
+        list_inithead(&screen->bo_cache.time_list);
+        (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
+        screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
+
+#if defined(USE_V3D_SIMULATOR)
+        vc5_simulator_init(screen);
+#endif
+
+        if (!vc5_get_device_info(screen))
+                goto fail;
+
+        slab_create_parent(&screen->transfer_pool, sizeof(struct vc5_transfer), 16);
+
+        vc5_fence_init(screen);
+
+        v3d_process_debug_variable();
+
+        vc5_resource_screen_init(pscreen);
+
+        screen->compiler = v3d_compiler_init(&screen->devinfo);
+
+        pscreen->get_name = vc5_screen_get_name;
+        pscreen->get_vendor = vc5_screen_get_vendor;
+        pscreen->get_device_vendor = vc5_screen_get_vendor;
+        pscreen->get_compiler_options = vc5_screen_get_compiler_options;
+
+        return pscreen;
+
+fail:
+        close(fd);
+        ralloc_free(pscreen);
+        return NULL;
+}