diff options
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_screen.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_screen.c | 439 |
1 files changed, 439 insertions, 0 deletions
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c new file mode 100644 index 00000000000..7c7ed4ca6eb --- /dev/null +++ b/src/gallium/drivers/vc4/vc4_screen.c @@ -0,0 +1,439 @@ +/* + * Copyright © 2014 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 <stdio.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 "vc4_screen.h" +#include "vc4_context.h" +#include "vc4_resource.h" + +static const struct debug_named_value debug_options[] = { + {"cl", VC4_DBG_CL, "Dump command list during creation"}, +}; + +static const char * +vc4_screen_get_name(struct pipe_screen *pscreen) +{ + return "VC4"; +} + +static const char * +vc4_screen_get_vendor(struct pipe_screen *pscreen) +{ + return "Broadcom"; +} + +static void +vc4_screen_destroy(struct pipe_screen *pscreen) +{ + free(pscreen); +} + +static int +vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) +{ + switch (param) { + /* Supported features (boolean caps). */ + case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: + case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: + case PIPE_CAP_NPOT_TEXTURES: + case PIPE_CAP_USER_CONSTANT_BUFFERS: + case PIPE_CAP_TEXTURE_SHADOW_MAP: + case PIPE_CAP_BLEND_EQUATION_SEPARATE: + case PIPE_CAP_TWO_SIDED_STENCIL: + return 1; + + /* lying for GL 2.0 */ + case PIPE_CAP_OCCLUSION_QUERY: + case PIPE_CAP_POINT_SPRITE: + return 1; + + case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: + return 256; + + case PIPE_CAP_GLSL_FEATURE_LEVEL: + return 120; + + case PIPE_CAP_MAX_VIEWPORTS: + return 1; + + /* Unsupported features. */ + case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: + case PIPE_CAP_ANISOTROPIC_FILTER: + case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: + case PIPE_CAP_CUBE_MAP_ARRAY: + case PIPE_CAP_TEXTURE_MIRROR_CLAMP: + case PIPE_CAP_TEXTURE_SWIZZLE: + case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: + 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_SEAMLESS_CUBE_MAP: + case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: + case PIPE_CAP_TGSI_INSTANCEID: + 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_COMPUTE: + 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_PRIMITIVE_RESTART: + case PIPE_CAP_TEXTURE_MULTISAMPLE: + case PIPE_CAP_TEXTURE_BARRIER: + case PIPE_CAP_SM3: + case PIPE_CAP_INDEP_BLEND_ENABLE: + 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_FRAGMENT_COLOR_CLAMPED: + case PIPE_CAP_VERTEX_COLOR_CLAMPED: + case PIPE_CAP_USER_VERTEX_BUFFERS: + case PIPE_CAP_USER_INDEX_BUFFERS: + case PIPE_CAP_QUERY_PIPELINE_STATISTICS: + case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: + case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: + case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: + case PIPE_CAP_TEXTURE_GATHER_SM5: + case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: + case PIPE_CAP_SAMPLE_SHADING: + case PIPE_CAP_TEXTURE_GATHER_OFFSETS: + case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: + case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: + case PIPE_CAP_MAX_TEXEL_OFFSET: + case PIPE_CAP_MAX_VERTEX_STREAMS: + case PIPE_CAP_DRAW_INDIRECT: + return 0; + + /* Stream output. */ + case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: + case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: + case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: + case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: + 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 VC4_MAX_MIP_LEVELS; + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + return 1; + case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: + return 0; + + /* Render targets. */ + case PIPE_CAP_MAX_RENDER_TARGETS: + return 1; + + /* Queries. */ + case PIPE_CAP_QUERY_TIME_ELAPSED: + case PIPE_CAP_QUERY_TIMESTAMP: + return 0; + + case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: + case PIPE_CAP_MIN_TEXEL_OFFSET: + return 0; + + case PIPE_CAP_ENDIANNESS: + return PIPE_ENDIAN_LITTLE; + + case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: + return 64; + + default: + fprintf(stderr, "unknown param %d\n", param); + return 0; + } +} + +static float +vc4_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: + case PIPE_CAPF_MAX_POINT_WIDTH: + case PIPE_CAPF_MAX_POINT_WIDTH_AA: + return 8192.0f; + 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 +vc4_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 0; + case PIPE_SHADER_CAP_MAX_INPUTS: + return 16; + case PIPE_SHADER_CAP_MAX_TEMPS: + return 64; /* Max native temporaries. */ + case PIPE_SHADER_CAP_MAX_ADDRS: + return 1; /* Max native address registers */ + case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: + return 64 * sizeof(float[4]); + case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: + return 1; + case PIPE_SHADER_CAP_MAX_PREDS: + return 0; /* nothing uses this */ + 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: + case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: + return 0; + case PIPE_SHADER_CAP_SUBROUTINES: + return 0; + case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED: + return 0; + case PIPE_SHADER_CAP_INTEGERS: + case PIPE_SHADER_CAP_DOUBLES: + return 0; + case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: + case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS: + return 16; + case PIPE_SHADER_CAP_PREFERRED_IR: + return PIPE_SHADER_IR_TGSI; + default: + fprintf(stderr, "unknown shader param %d\n", param); + return 0; + } + return 0; +} + +uint8_t +vc4_get_texture_format(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_B8G8R8A8_UNORM: + return 0; + case PIPE_FORMAT_B8G8R8X8_UNORM: + return 1; + case PIPE_FORMAT_R8G8B8A8_UNORM: + return 0; + case PIPE_FORMAT_R8G8B8X8_UNORM: + return 1; + case PIPE_FORMAT_A8R8G8B8_UNORM: + return 0; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return 1; + case PIPE_FORMAT_A8B8G8R8_UNORM: + return 0; + case PIPE_FORMAT_X8B8G8R8_UNORM: + return 1; +/* + case PIPE_FORMAT_R4G4B4A4_UNORM: + return 2; + case PIPE_FORMAT_R5G5B5A1_UNORM: + return 3; + case PIPE_FORMAT_R5G6B5_UNORM: + return 4; +*/ + case PIPE_FORMAT_L8_UNORM: + return 5; + case PIPE_FORMAT_A8_UNORM: + return 6; + case PIPE_FORMAT_L8A8_UNORM: + return 7; + /* XXX: ETC1 and more*/ + default: + return ~0; + } +} + +static boolean +vc4_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 ((target >= PIPE_MAX_TEXTURE_TYPES) || + (sample_count > 1) || + !util_format_is_supported(format, usage)) { + return FALSE; + } + + if (usage & PIPE_BIND_VERTEX_BUFFER) + retval |= PIPE_BIND_VERTEX_BUFFER; /* XXX */ + + if ((usage & PIPE_BIND_RENDER_TARGET) && + (format == PIPE_FORMAT_B8G8R8A8_UNORM || + format == PIPE_FORMAT_B8G8R8X8_UNORM || /* XXX: really? */ + format == PIPE_FORMAT_R8G8B8A8_UNORM || + format == PIPE_FORMAT_R8G8B8X8_UNORM || /* XXX: really? */ + format == PIPE_FORMAT_A8B8G8R8_UNORM || + format == PIPE_FORMAT_X8B8G8R8_UNORM || /* XXX: really? */ + format == PIPE_FORMAT_A8R8G8B8_UNORM || + format == PIPE_FORMAT_X8R8G8B8_UNORM || /* XXX: really? */ + format == PIPE_FORMAT_R16G16B16A16_FLOAT)) { + retval |= PIPE_BIND_RENDER_TARGET; + } + + if ((usage & PIPE_BIND_SAMPLER_VIEW) && + (vc4_get_texture_format(format) != ~0)) { + retval |= usage & (PIPE_BIND_SAMPLER_VIEW | + PIPE_BIND_VERTEX_BUFFER); + } + + if ((usage & PIPE_BIND_DEPTH_STENCIL) && + (format == PIPE_FORMAT_Z24_UNORM_S8_UINT || + format == PIPE_FORMAT_Z24X8_UNORM)) { + retval |= PIPE_BIND_DEPTH_STENCIL; + } + + if ((usage & PIPE_BIND_INDEX_BUFFER) && + (format == PIPE_FORMAT_I8_UINT || + format == PIPE_FORMAT_I16_UINT)) { + retval |= PIPE_BIND_INDEX_BUFFER; + } + + 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; +} + +struct pipe_screen * +vc4_screen_create(int fd) +{ + struct vc4_screen *screen = CALLOC_STRUCT(vc4_screen); + struct pipe_screen *pscreen; + + pscreen = &screen->base; + + pscreen->destroy = vc4_screen_destroy; + pscreen->get_param = vc4_screen_get_param; + pscreen->get_paramf = vc4_screen_get_paramf; + pscreen->get_shader_param = vc4_screen_get_shader_param; + pscreen->context_create = vc4_context_create; + pscreen->is_format_supported = vc4_screen_is_format_supported; + + screen->fd = fd; + +#if USE_VC4_SIMULATOR + vc4_simulator_init(screen); +#endif + + vc4_resource_screen_init(pscreen); + + pscreen->get_name = vc4_screen_get_name; + pscreen->get_vendor = vc4_screen_get_vendor; + + return pscreen; +} + +boolean +vc4_screen_bo_get_handle(struct pipe_screen *pscreen, + struct vc4_bo *bo, + unsigned stride, + struct winsys_handle *whandle) +{ + whandle->stride = stride; + + switch (whandle->type) { + case DRM_API_HANDLE_TYPE_SHARED: + return vc4_bo_flink(bo, &whandle->handle); + case DRM_API_HANDLE_TYPE_KMS: + whandle->handle = bo->handle; + return TRUE; + } + + return FALSE; +} + +struct vc4_bo * +vc4_screen_bo_from_handle(struct pipe_screen *pscreen, + struct winsys_handle *whandle, + unsigned *out_stride) +{ + struct vc4_screen *screen = vc4_screen(pscreen); + struct vc4_bo *bo; + + if (whandle->type != DRM_API_HANDLE_TYPE_SHARED) { + fprintf(stderr, + "Attempt to import unsupported handle type %d\n", + whandle->type); + return NULL; + } + + bo = vc4_bo_open_name(screen, whandle->handle, whandle->stride); + if (!bo) { + fprintf(stderr, "Open name %d failed\n", whandle->handle); + return NULL; + } + + *out_stride = whandle->stride; + + return bo; +} |