diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_screen.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_screen.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_screen.c b/src/gallium/auxiliary/util/u_screen.c new file mode 100644 index 00000000000..8c0a1297f2a --- /dev/null +++ b/src/gallium/auxiliary/util/u_screen.c @@ -0,0 +1,325 @@ +/* + * Copyright © 2018 Broadcom + * + * 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 "pipe/p_screen.h" +#include "util/u_screen.h" + +/** + * Helper to use from a pipe_screen->get_param() implementation to return + * default values for unsupported PIPE_CAPs. + * + * Call this function from your pipe_screen->get_param() implementation's + * default case, so that implementors of new pipe caps don't need to + */ +int +u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen, + enum pipe_cap param) +{ + /* Let's keep these sorted by position in p_defines.h. */ + switch (param) { + case PIPE_CAP_NPOT_TEXTURES: + case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: + case PIPE_CAP_ANISOTROPIC_FILTER: + case PIPE_CAP_POINT_SPRITE: + return 0; + + case PIPE_CAP_MAX_RENDER_TARGETS: + return 1; + + case PIPE_CAP_OCCLUSION_QUERY: + case PIPE_CAP_QUERY_TIME_ELAPSED: + case PIPE_CAP_TEXTURE_SWIZZLE: + return 0; + + case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: + unreachable("driver must implement these."); + + case PIPE_CAP_TEXTURE_MIRROR_CLAMP: + case PIPE_CAP_BLEND_EQUATION_SEPARATE: + case PIPE_CAP_SM3: + case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: /* enables EXT_transform_feedback */ + case PIPE_CAP_PRIMITIVE_RESTART: + case PIPE_CAP_INDEP_BLEND_ENABLE: + case PIPE_CAP_INDEP_BLEND_FUNC: + return 0; + + case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: + unreachable("driver must implement these."); + + case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: + case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: + case PIPE_CAP_DEPTH_CLIP_DISABLE: + case PIPE_CAP_SHADER_STENCIL_EXPORT: + case PIPE_CAP_TGSI_INSTANCEID: + case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: + case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: + case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: + case PIPE_CAP_SEAMLESS_CUBE_MAP: + case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: + return 0; + + case PIPE_CAP_MIN_TEXEL_OFFSET: + /* GL 3.x minimum value. */ + return -8; + case PIPE_CAP_MAX_TEXEL_OFFSET: + return 7; + + case PIPE_CAP_CONDITIONAL_RENDER: + case PIPE_CAP_TEXTURE_BARRIER: + return 0; + + case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: + /* GL_EXT_transform_feedback minimum value. */ + return 4; + case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: + return 64; + + case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: + case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: + case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: + case PIPE_CAP_VERTEX_COLOR_CLAMPED: + return 0; + + case PIPE_CAP_GLSL_FEATURE_LEVEL: + case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY: + /* Minimum GLSL level implemented by gallium drivers. */ + return 120; + + case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: + case PIPE_CAP_USER_VERTEX_BUFFERS: + 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: + return 0; + + case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: + /* GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT default value. */ + return 1; + + case PIPE_CAP_START_INSTANCE: + case PIPE_CAP_QUERY_TIMESTAMP: + case PIPE_CAP_TEXTURE_MULTISAMPLE: + return 0; + + case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: + /* GL_ARB_map_buffer_alignment minimum value. All drivers expose the + * extension. + */ + return 64; + + case PIPE_CAP_CUBE_MAP_ARRAY: + case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: + return 0; + + case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: + /* GL_EXT_texture_buffer minimum value. */ + return 256; + + case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: + case PIPE_CAP_TGSI_TEXCOORD: + return 0; + + case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: + return 1; + + case PIPE_CAP_QUERY_PIPELINE_STATISTICS: + case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: + return 0; + + case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: + /* GL_EXT_texture_buffer minimum value. */ + return 65536; + + case PIPE_CAP_MAX_VIEWPORTS: + return 1; + + case PIPE_CAP_ENDIANNESS: + return PIPE_ENDIAN_LITTLE; + + case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: + case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: + case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: + case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: + case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: /* Enables ARB_texture_gather */ + case PIPE_CAP_TEXTURE_GATHER_SM5: + case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: + case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: + return 0; + + case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: + return -8; + case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: + return 7; + + 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_DRAW_INDIRECT: + case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: + return 0; + + case PIPE_CAP_VENDOR_ID: + case PIPE_CAP_DEVICE_ID: + return 0xffffffff; + + case PIPE_CAP_ACCELERATED: + case PIPE_CAP_VIDEO_MEMORY: + case PIPE_CAP_UMA: + unreachable("driver must implement these."); + + case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: + return 0; + + case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: + /* GL minimum value */ + return 2048; + + 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_SHAREABLE_SHADERS: + 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_MULTI_DRAW_INDIRECT: + case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: + case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL: + case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL: + return 0; + + case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: + /* Enables GL_ARB_shader_storage_buffer_object */ + return 0; + + 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: /* Enables GL_ATI_meminfo */ + return 0; + + case PIPE_CAP_PCI_GROUP: + case PIPE_CAP_PCI_BUS: + case PIPE_CAP_PCI_DEVICE: + case PIPE_CAP_PCI_FUNCTION: + unreachable("driver must implement these."); + + 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: /* Enables EXT_window_rectangles */ + case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED: + case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS: + case PIPE_CAP_MIXED_COLOR_DEPTH_BITS: + case PIPE_CAP_TGSI_ARRAY_COMPONENTS: + case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: + case PIPE_CAP_TGSI_CAN_READ_OUTPUTS: + case PIPE_CAP_NATIVE_FENCE_FD: + return 0; + + case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: + return 1; + + case PIPE_CAP_TGSI_FS_FBFETCH: + case PIPE_CAP_TGSI_MUL_ZERO_WINS: + case PIPE_CAP_DOUBLES: + case PIPE_CAP_INT64: + case PIPE_CAP_INT64_DIVMOD: + case PIPE_CAP_TGSI_TEX_TXF_LZ: + case PIPE_CAP_TGSI_CLOCK: + case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE: + case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE: + case PIPE_CAP_TGSI_BALLOT: + case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT: + case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX: + return 0; + + case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION: + /* Drivers generally support this, and it reduces GL overhead just to + * throw an error when buffers are mapped. + */ + return 1; + + case PIPE_CAP_POST_DEPTH_COVERAGE: + case PIPE_CAP_BINDLESS_TEXTURE: + 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_TGSI_ANY_REG_AS_ADDRESS: + case PIPE_CAP_TILE_RASTER_ORDER: + return 0; + + case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES: + /* nonzero overrides defaults */ + return 0; + + case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS: + case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET: + case PIPE_CAP_CONTEXT_PRIORITY_MASK: + case PIPE_CAP_FENCE_SIGNAL: + case PIPE_CAP_CONSTBUF0_FLAGS: + case PIPE_CAP_PACKED_UNIFORMS: + 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_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS: + case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE: + case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS: + return 0; + + case PIPE_CAP_MAX_GS_INVOCATIONS: + return 32; + + case PIPE_CAP_MAX_SHADER_BUFFER_SIZE: + return 1 << 27; + + case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE: + return 0; + + default: + unreachable("bad PIPE_CAP_*"); + } +} |