| /************************************************************************** |
| * |
| * Copyright 2008 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * 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, sub license, 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 NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 "util/u_memory.h" |
| #include "util/u_math.h" |
| #include "util/u_cpu_detect.h" |
| #include "util/u_format.h" |
| #include "util/u_string.h" |
| #include "util/u_format_s3tc.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_screen.h" |
| #include "draw/draw_context.h" |
| #include "gallivm/lp_bld_type.h" |
| |
| #include "os/os_misc.h" |
| #include "util/os_time.h" |
| #include "lp_texture.h" |
| #include "lp_fence.h" |
| #include "lp_jit.h" |
| #include "lp_screen.h" |
| #include "lp_context.h" |
| #include "lp_debug.h" |
| #include "lp_public.h" |
| #include "lp_limits.h" |
| #include "lp_rast.h" |
| |
| #include "state_tracker/sw_winsys.h" |
| |
| #ifdef DEBUG |
| int LP_DEBUG = 0; |
| |
| static const struct debug_named_value lp_debug_flags[] = { |
| { "pipe", DEBUG_PIPE, NULL }, |
| { "tgsi", DEBUG_TGSI, NULL }, |
| { "tex", DEBUG_TEX, NULL }, |
| { "setup", DEBUG_SETUP, NULL }, |
| { "rast", DEBUG_RAST, NULL }, |
| { "query", DEBUG_QUERY, NULL }, |
| { "screen", DEBUG_SCREEN, NULL }, |
| { "counters", DEBUG_COUNTERS, NULL }, |
| { "scene", DEBUG_SCENE, NULL }, |
| { "fence", DEBUG_FENCE, NULL }, |
| { "mem", DEBUG_MEM, NULL }, |
| { "fs", DEBUG_FS, NULL }, |
| DEBUG_NAMED_VALUE_END |
| }; |
| #endif |
| |
| int LP_PERF = 0; |
| static const struct debug_named_value lp_perf_flags[] = { |
| { "texmem", PERF_TEX_MEM, NULL }, |
| { "no_mipmap", PERF_NO_MIPMAPS, NULL }, |
| { "no_linear", PERF_NO_LINEAR, NULL }, |
| { "no_mip_linear", PERF_NO_MIP_LINEAR, NULL }, |
| { "no_tex", PERF_NO_TEX, NULL }, |
| { "no_blend", PERF_NO_BLEND, NULL }, |
| { "no_depth", PERF_NO_DEPTH, NULL }, |
| { "no_alphatest", PERF_NO_ALPHATEST, NULL }, |
| DEBUG_NAMED_VALUE_END |
| }; |
| |
| |
| static const char * |
| llvmpipe_get_vendor(struct pipe_screen *screen) |
| { |
| return "VMware, Inc."; |
| } |
| |
| |
| static const char * |
| llvmpipe_get_name(struct pipe_screen *screen) |
| { |
| static char buf[100]; |
| util_snprintf(buf, sizeof(buf), "llvmpipe (LLVM %u.%u, %u bits)", |
| HAVE_LLVM >> 8, HAVE_LLVM & 0xff, |
| lp_native_vector_width ); |
| return buf; |
| } |
| |
| |
| static int |
| llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) |
| { |
| switch (param) { |
| case PIPE_CAP_NPOT_TEXTURES: |
| case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: |
| case PIPE_CAP_MIXED_COLOR_DEPTH_BITS: |
| return 1; |
| case PIPE_CAP_SM3: |
| return 1; |
| case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: |
| return 1; |
| case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: |
| return PIPE_MAX_SO_BUFFERS; |
| case PIPE_CAP_ANISOTROPIC_FILTER: |
| return 0; |
| case PIPE_CAP_POINT_SPRITE: |
| return 1; |
| case PIPE_CAP_MAX_RENDER_TARGETS: |
| return PIPE_MAX_COLOR_BUFS; |
| case PIPE_CAP_OCCLUSION_QUERY: |
| return 1; |
| case PIPE_CAP_QUERY_TIME_ELAPSED: |
| return 0; |
| case PIPE_CAP_QUERY_TIMESTAMP: |
| return 1; |
| case PIPE_CAP_QUERY_PIPELINE_STATISTICS: |
| return 1; |
| case PIPE_CAP_TEXTURE_MIRROR_CLAMP: |
| return 1; |
| case PIPE_CAP_TEXTURE_SWIZZLE: |
| return 1; |
| case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: |
| return 0; |
| case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: |
| return LP_MAX_TEXTURE_2D_LEVELS; |
| case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: |
| return LP_MAX_TEXTURE_3D_LEVELS; |
| case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: |
| return LP_MAX_TEXTURE_CUBE_LEVELS; |
| case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: |
| return LP_MAX_TEXTURE_ARRAY_LAYERS; |
| case PIPE_CAP_BLEND_EQUATION_SEPARATE: |
| return 1; |
| case PIPE_CAP_INDEP_BLEND_ENABLE: |
| return 1; |
| case PIPE_CAP_INDEP_BLEND_FUNC: |
| return 1; |
| case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: |
| case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: |
| case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: |
| return 1; |
| case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: |
| return 0; |
| case PIPE_CAP_PRIMITIVE_RESTART: |
| return 1; |
| case PIPE_CAP_DEPTH_CLIP_DISABLE: |
| return 1; |
| case PIPE_CAP_SHADER_STENCIL_EXPORT: |
| return 1; |
| case PIPE_CAP_TGSI_INSTANCEID: |
| case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: |
| case PIPE_CAP_START_INSTANCE: |
| return 1; |
| case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: |
| return 0; |
| case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: |
| return 1; |
| case PIPE_CAP_SEAMLESS_CUBE_MAP: |
| case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: |
| return 1; |
| /* this is a lie could support arbitrary large offsets */ |
| case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: |
| case PIPE_CAP_MIN_TEXEL_OFFSET: |
| return -32; |
| case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: |
| case PIPE_CAP_MAX_TEXEL_OFFSET: |
| return 31; |
| case PIPE_CAP_CONDITIONAL_RENDER: |
| return 1; |
| case PIPE_CAP_TEXTURE_BARRIER: |
| return 0; |
| case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: |
| case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: |
| return 16*4; |
| case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: |
| case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: |
| return 1024; |
| case PIPE_CAP_MAX_VERTEX_STREAMS: |
| return 1; |
| case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: |
| return 2048; |
| case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: |
| case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: |
| return 1; |
| case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: |
| return 0; |
| case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: |
| case PIPE_CAP_VERTEX_COLOR_CLAMPED: |
| return 1; |
| case PIPE_CAP_GLSL_FEATURE_LEVEL: |
| return 330; |
| case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY: |
| return 140; |
| case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: |
| return 0; |
| case PIPE_CAP_COMPUTE: |
| return 0; |
| case PIPE_CAP_USER_VERTEX_BUFFERS: |
| return 1; |
| 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_TGSI_TEXCOORD: |
| return 0; |
| case PIPE_CAP_DRAW_INDIRECT: |
| return 1; |
| |
| case PIPE_CAP_CUBE_MAP_ARRAY: |
| return 1; |
| case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: |
| return 16; |
| case PIPE_CAP_TEXTURE_MULTISAMPLE: |
| return 0; |
| case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: |
| return 64; |
| case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: |
| return 65536; |
| case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: |
| return 1; |
| case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: |
| return 0; |
| case PIPE_CAP_MAX_VIEWPORTS: |
| return PIPE_MAX_VIEWPORTS; |
| case PIPE_CAP_ENDIANNESS: |
| return PIPE_ENDIAN_NATIVE; |
| case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: |
| return 1; |
| case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: |
| return 4; |
| case PIPE_CAP_TEXTURE_GATHER_SM5: |
| case PIPE_CAP_SAMPLE_SHADING: |
| case PIPE_CAP_TEXTURE_GATHER_OFFSETS: |
| return 0; |
| case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: |
| return 1; |
| case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: |
| case PIPE_CAP_TGSI_TEX_TXF_LZ: |
| return 0; |
| case PIPE_CAP_SAMPLER_VIEW_TARGET: |
| return 1; |
| case PIPE_CAP_FAKE_SW_MSAA: |
| return 1; |
| case PIPE_CAP_TEXTURE_QUERY_LOD: |
| case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: |
| case PIPE_CAP_TGSI_ARRAY_COMPONENTS: |
| case PIPE_CAP_DOUBLES: |
| case PIPE_CAP_INT64: |
| case PIPE_CAP_INT64_DIVMOD: |
| case PIPE_CAP_QUERY_SO_OVERFLOW: |
| return 1; |
| |
| case PIPE_CAP_VENDOR_ID: |
| return 0xFFFFFFFF; |
| case PIPE_CAP_DEVICE_ID: |
| return 0xFFFFFFFF; |
| case PIPE_CAP_ACCELERATED: |
| return 0; |
| case PIPE_CAP_VIDEO_MEMORY: { |
| /* XXX: Do we want to return the full amount fo system memory ? */ |
| uint64_t system_memory; |
| |
| if (!os_get_total_physical_memory(&system_memory)) |
| return 0; |
| |
| if (sizeof(void *) == 4) |
| /* Cap to 2 GB on 32 bits system. We do this because llvmpipe does |
| * eat application memory, which is quite limited on 32 bits. App |
| * shouldn't expect too much available memory. */ |
| system_memory = MIN2(system_memory, 2048 << 20); |
| |
| return (int)(system_memory >> 20); |
| } |
| case PIPE_CAP_UMA: |
| return 0; |
| case PIPE_CAP_CLIP_HALFZ: |
| return 1; |
| case PIPE_CAP_VERTEXID_NOBASE: |
| return 0; |
| case PIPE_CAP_POLYGON_OFFSET_CLAMP: |
| case PIPE_CAP_TEXTURE_FLOAT_LINEAR: |
| case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: |
| return 1; |
| case PIPE_CAP_CULL_DISTANCE: |
| return 1; |
| case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: |
| return 1; |
| case PIPE_CAP_CLEAR_TEXTURE: |
| return 1; |
| 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_DEPTH_BOUNDS_TEST: |
| case PIPE_CAP_TGSI_TXQS: |
| case PIPE_CAP_FORCE_PERSAMPLE_INTERP: |
| case PIPE_CAP_SHAREABLE_SHADERS: |
| 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: |
| case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: |
| case PIPE_CAP_INVALIDATE_BUFFER: |
| case PIPE_CAP_GENERATE_MIPMAP: |
| case PIPE_CAP_STRING_MARKER: |
| case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: |
| 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_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_CAN_READ_OUTPUTS: |
| case PIPE_CAP_NATIVE_FENCE_FD: |
| case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: |
| case PIPE_CAP_TGSI_FS_FBFETCH: |
| case PIPE_CAP_TGSI_MUL_ZERO_WINS: |
| 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: |
| case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION: |
| case PIPE_CAP_POST_DEPTH_COVERAGE: |
| case PIPE_CAP_BINDLESS_TEXTURE: |
| case PIPE_CAP_NIR_SAMPLERS_AS_DEREF: |
| case PIPE_CAP_MEMOBJ: |
| case PIPE_CAP_LOAD_CONSTBUF: |
| case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS: |
| case PIPE_CAP_TILE_RASTER_ORDER: |
| case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES: |
| 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_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE: |
| case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS: |
| case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS: |
| return 0; |
| } |
| /* should only get here on unhandled cases */ |
| debug_printf("Unexpected PIPE_CAP %d query\n", param); |
| return 0; |
| } |
| |
| static int |
| llvmpipe_get_shader_param(struct pipe_screen *screen, |
| enum pipe_shader_type shader, |
| enum pipe_shader_cap param) |
| { |
| switch(shader) |
| { |
| case PIPE_SHADER_FRAGMENT: |
| switch (param) { |
| default: |
| return gallivm_get_shader_param(param); |
| } |
| case PIPE_SHADER_VERTEX: |
| case PIPE_SHADER_GEOMETRY: |
| switch (param) { |
| case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: |
| /* At this time, the draw module and llvmpipe driver only |
| * support vertex shader texture lookups when LLVM is enabled in |
| * the draw module. |
| */ |
| if (debug_get_bool_option("DRAW_USE_LLVM", TRUE)) |
| return PIPE_MAX_SAMPLERS; |
| else |
| return 0; |
| case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS: |
| if (debug_get_bool_option("DRAW_USE_LLVM", TRUE)) |
| return PIPE_MAX_SHADER_SAMPLER_VIEWS; |
| else |
| return 0; |
| default: |
| return draw_get_shader_param(shader, param); |
| } |
| default: |
| return 0; |
| } |
| } |
| |
| static float |
| llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param) |
| { |
| switch (param) { |
| case PIPE_CAPF_MAX_LINE_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_LINE_WIDTH_AA: |
| return 255.0; /* arbitrary */ |
| case PIPE_CAPF_MAX_POINT_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_POINT_WIDTH_AA: |
| return 255.0; /* arbitrary */ |
| case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: |
| return 16.0; /* not actually signficant at this time */ |
| case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: |
| return 16.0; /* arbitrary */ |
| case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE: |
| return 0.0; |
| case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE: |
| return 0.0; |
| case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY: |
| return 0.0; |
| } |
| /* should only get here on unhandled cases */ |
| debug_printf("Unexpected PIPE_CAP %d query\n", param); |
| return 0.0; |
| } |
| |
| |
| /** |
| * Query format support for creating a texture, drawing surface, etc. |
| * \param format the format to test |
| * \param type one of PIPE_TEXTURE, PIPE_SURFACE |
| */ |
| static boolean |
| llvmpipe_is_format_supported( struct pipe_screen *_screen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned sample_count, |
| unsigned storage_sample_count, |
| unsigned bind) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct sw_winsys *winsys = screen->winsys; |
| const struct util_format_description *format_desc; |
| |
| format_desc = util_format_description(format); |
| if (!format_desc) |
| return FALSE; |
| |
| assert(target == PIPE_BUFFER || |
| target == PIPE_TEXTURE_1D || |
| target == PIPE_TEXTURE_1D_ARRAY || |
| target == PIPE_TEXTURE_2D || |
| target == PIPE_TEXTURE_2D_ARRAY || |
| target == PIPE_TEXTURE_RECT || |
| target == PIPE_TEXTURE_3D || |
| target == PIPE_TEXTURE_CUBE || |
| target == PIPE_TEXTURE_CUBE_ARRAY); |
| |
| if (sample_count > 1) |
| return FALSE; |
| |
| if (MAX2(1, sample_count) != MAX2(1, storage_sample_count)) |
| return false; |
| |
| if (bind & PIPE_BIND_RENDER_TARGET) { |
| if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { |
| /* this is a lie actually other formats COULD exist where we would fail */ |
| if (format_desc->nr_channels < 3) |
| return FALSE; |
| } |
| else if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB) |
| return FALSE; |
| |
| if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN && |
| format != PIPE_FORMAT_R11G11B10_FLOAT) |
| return FALSE; |
| |
| assert(format_desc->block.width == 1); |
| assert(format_desc->block.height == 1); |
| |
| if (format_desc->is_mixed) |
| return FALSE; |
| |
| if (!format_desc->is_array && !format_desc->is_bitmask && |
| format != PIPE_FORMAT_R11G11B10_FLOAT) |
| return FALSE; |
| } |
| |
| if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) && |
| ((bind & PIPE_BIND_DISPLAY_TARGET) == 0)) { |
| /* Disable all 3-channel formats, where channel size != 32 bits. |
| * In some cases we run into crashes (in generate_unswizzled_blend()), |
| * for 3-channel RGB16 variants, there was an apparent LLVM bug. |
| * In any case, disabling the shallower 3-channel formats avoids a |
| * number of issues with GL_ARB_copy_image support. |
| */ |
| if (format_desc->is_array && |
| format_desc->nr_channels == 3 && |
| format_desc->block.bits != 96) { |
| return FALSE; |
| } |
| } |
| |
| if (bind & PIPE_BIND_DISPLAY_TARGET) { |
| if(!winsys->is_displaytarget_format_supported(winsys, bind, format)) |
| return FALSE; |
| } |
| |
| if (bind & PIPE_BIND_DEPTH_STENCIL) { |
| if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) |
| return FALSE; |
| |
| if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) |
| return FALSE; |
| |
| /* TODO: Support stencil-only formats */ |
| if (format_desc->swizzle[0] == PIPE_SWIZZLE_NONE) { |
| return FALSE; |
| } |
| } |
| |
| if (format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) { |
| /* Software decoding is not hooked up. */ |
| return FALSE; |
| } |
| |
| if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC && |
| format != PIPE_FORMAT_ETC1_RGB8) |
| return FALSE; |
| |
| /* |
| * Everything can be supported by u_format |
| * (those without fetch_rgba_float might be not but shouldn't hit that) |
| */ |
| |
| return TRUE; |
| } |
| |
| |
| |
| |
| static void |
| llvmpipe_flush_frontbuffer(struct pipe_screen *_screen, |
| struct pipe_resource *resource, |
| unsigned level, unsigned layer, |
| void *context_private, |
| struct pipe_box *sub_box) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct sw_winsys *winsys = screen->winsys; |
| struct llvmpipe_resource *texture = llvmpipe_resource(resource); |
| |
| assert(texture->dt); |
| if (texture->dt) |
| winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box); |
| } |
| |
| static void |
| llvmpipe_destroy_screen( struct pipe_screen *_screen ) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct sw_winsys *winsys = screen->winsys; |
| |
| if (screen->rast) |
| lp_rast_destroy(screen->rast); |
| |
| lp_jit_screen_cleanup(screen); |
| |
| if(winsys->destroy) |
| winsys->destroy(winsys); |
| |
| mtx_destroy(&screen->rast_mutex); |
| |
| FREE(screen); |
| } |
| |
| |
| |
| |
| /** |
| * Fence reference counting. |
| */ |
| static void |
| llvmpipe_fence_reference(struct pipe_screen *screen, |
| struct pipe_fence_handle **ptr, |
| struct pipe_fence_handle *fence) |
| { |
| struct lp_fence **old = (struct lp_fence **) ptr; |
| struct lp_fence *f = (struct lp_fence *) fence; |
| |
| lp_fence_reference(old, f); |
| } |
| |
| |
| /** |
| * Wait for the fence to finish. |
| */ |
| static boolean |
| llvmpipe_fence_finish(struct pipe_screen *screen, |
| struct pipe_context *ctx, |
| struct pipe_fence_handle *fence_handle, |
| uint64_t timeout) |
| { |
| struct lp_fence *f = (struct lp_fence *) fence_handle; |
| |
| if (!timeout) |
| return lp_fence_signalled(f); |
| |
| lp_fence_wait(f); |
| return TRUE; |
| } |
| |
| static uint64_t |
| llvmpipe_get_timestamp(struct pipe_screen *_screen) |
| { |
| return os_time_get_nano(); |
| } |
| |
| /** |
| * Create a new pipe_screen object |
| * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen). |
| */ |
| struct pipe_screen * |
| llvmpipe_create_screen(struct sw_winsys *winsys) |
| { |
| struct llvmpipe_screen *screen; |
| |
| util_cpu_detect(); |
| |
| #ifdef DEBUG |
| LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 ); |
| #endif |
| |
| LP_PERF = debug_get_flags_option("LP_PERF", lp_perf_flags, 0 ); |
| |
| screen = CALLOC_STRUCT(llvmpipe_screen); |
| if (!screen) |
| return NULL; |
| |
| if (!lp_jit_screen_init(screen)) { |
| FREE(screen); |
| return NULL; |
| } |
| |
| screen->winsys = winsys; |
| |
| screen->base.destroy = llvmpipe_destroy_screen; |
| |
| screen->base.get_name = llvmpipe_get_name; |
| screen->base.get_vendor = llvmpipe_get_vendor; |
| screen->base.get_device_vendor = llvmpipe_get_vendor; // TODO should be the CPU vendor |
| screen->base.get_param = llvmpipe_get_param; |
| screen->base.get_shader_param = llvmpipe_get_shader_param; |
| screen->base.get_paramf = llvmpipe_get_paramf; |
| screen->base.is_format_supported = llvmpipe_is_format_supported; |
| |
| screen->base.context_create = llvmpipe_create_context; |
| screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer; |
| screen->base.fence_reference = llvmpipe_fence_reference; |
| screen->base.fence_finish = llvmpipe_fence_finish; |
| |
| screen->base.get_timestamp = llvmpipe_get_timestamp; |
| |
| llvmpipe_init_screen_resource_funcs(&screen->base); |
| |
| screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0; |
| #ifdef PIPE_SUBSYSTEM_EMBEDDED |
| screen->num_threads = 0; |
| #endif |
| screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads); |
| screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS); |
| |
| screen->rast = lp_rast_create(screen->num_threads); |
| if (!screen->rast) { |
| lp_jit_screen_cleanup(screen); |
| FREE(screen); |
| return NULL; |
| } |
| (void) mtx_init(&screen->rast_mutex, mtx_plain); |
| |
| return &screen->base; |
| } |
