diff options
Diffstat (limited to 'src/gallium/drivers/vc5/vc5_screen.c')
| -rw-r--r-- | src/gallium/drivers/vc5/vc5_screen.c | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc5/vc5_screen.c b/src/gallium/drivers/vc5/vc5_screen.c new file mode 100644 index 00000000000..d3c9f0962e3 --- /dev/null +++ b/src/gallium/drivers/vc5/vc5_screen.c @@ -0,0 +1,620 @@ +/* + * 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 "vc5_drm.h" +#include "vc5_screen.h" +#include "vc5_context.h" +#include "vc5_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) +{ + 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_USER_CONSTANT_BUFFERS: + case PIPE_CAP_TEXTURE_SHADOW_MAP: + case PIPE_CAP_BLEND_EQUATION_SEPARATE: + case PIPE_CAP_TWO_SIDED_STENCIL: + case PIPE_CAP_TEXTURE_MULTISAMPLE: + case PIPE_CAP_TEXTURE_SWIZZLE: + case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: + case PIPE_CAP_TGSI_INSTANCEID: + case PIPE_CAP_SM3: + case PIPE_CAP_INDEP_BLEND_ENABLE: /* XXX */ + 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_STREAM_OUTPUT_INTERLEAVE_BUFFERS: + case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION: + case PIPE_CAP_COMPUTE: + case PIPE_CAP_DRAW_INDIRECT: + return 1; + + 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: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: + return 1; + + case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: + 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_MIXED_COLORBUFFER_FORMATS: + case PIPE_CAP_SEAMLESS_CUBE_MAP: + case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: + 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_START_INSTANCE: + 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_FS_COORD_ORIGIN_LOWER_LEFT: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: + 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_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: + 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: + return VC5_MAX_MIP_LEVELS; + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + return 256; + 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 0.0f; + 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; + 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: + return shader == PIPE_SHADER_FRAGMENT ? 4 : 8; + 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: + 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) +{ + unsigned retval = 0; + + 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: + retval |= PIPE_BIND_VERTEX_BUFFER; + break; + default: + break; + } + } + + if ((usage & PIPE_BIND_RENDER_TARGET) && + vc5_rt_format_supported(format)) { + retval |= PIPE_BIND_RENDER_TARGET; + } + + if ((usage & PIPE_BIND_SAMPLER_VIEW) && + vc5_tex_format_supported(format)) { + retval |= PIPE_BIND_SAMPLER_VIEW; + } + + 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)) { + retval |= PIPE_BIND_DEPTH_STENCIL; + } + + if ((usage & PIPE_BIND_INDEX_BUFFER) && + (format == PIPE_FORMAT_I8_UINT || + format == PIPE_FORMAT_I16_UINT || + format == PIPE_FORMAT_I32_UINT)) { + retval |= PIPE_BIND_INDEX_BUFFER; + } + +#if 0 + if (retval != usage) { + fprintf(stderr, + "not supported: format=%s, target=%d, sample_count=%d, " + "usage=0x%x, retval=0x%x\n", util_format_name(format), + target, sample_count, usage, retval); + } +#endif + + return retval == usage; +} + +#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_vc5_get_param ident0 = { + .param = DRM_VC5_PARAM_V3D_CORE0_IDENT0, + }; + struct drm_vc5_get_param ident1 = { + .param = DRM_VC5_PARAM_V3D_CORE0_IDENT1, + }; + int ret; + + ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_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_VC5_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; + + if (screen->devinfo.ver != 33) { + 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 * +vc5_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_VC5_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; +} |