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  1. /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
  2.  
  3. /*
  4.  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the "Software"),
  8.  * to deal in the Software without restriction, including without limitation
  9.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10.  * and/or sell copies of the Software, and to permit persons to whom the
  11.  * Software is furnished to do so, subject to the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the next
  14.  * paragraph) shall be included in all copies or substantial portions of the
  15.  * Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23.  * SOFTWARE.
  24.  *
  25.  * Authors:
  26.  *    Rob Clark <robclark@freedesktop.org>
  27.  */
  28.  
  29.  
  30. #include "pipe/p_defines.h"
  31. #include "pipe/p_screen.h"
  32. #include "pipe/p_state.h"
  33.  
  34. #include "util/u_memory.h"
  35. #include "util/u_inlines.h"
  36. #include "util/u_format.h"
  37. #include "util/u_format_s3tc.h"
  38. #include "util/u_string.h"
  39. #include "util/u_debug.h"
  40.  
  41. #include "os/os_time.h"
  42.  
  43. #include <stdio.h>
  44. #include <errno.h>
  45. #include <stdlib.h>
  46.  
  47. #include "freedreno_screen.h"
  48. #include "freedreno_resource.h"
  49. #include "freedreno_fence.h"
  50. #include "freedreno_query.h"
  51. #include "freedreno_util.h"
  52.  
  53. #include "a2xx/fd2_screen.h"
  54. #include "a3xx/fd3_screen.h"
  55. #include "a4xx/fd4_screen.h"
  56.  
  57. /* XXX this should go away */
  58. #include "state_tracker/drm_driver.h"
  59.  
  60. static const struct debug_named_value debug_options[] = {
  61.                 {"msgs",      FD_DBG_MSGS,   "Print debug messages"},
  62.                 {"disasm",    FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
  63.                 {"dclear",    FD_DBG_DCLEAR, "Mark all state dirty after clear"},
  64.                 {"flush",     FD_DBG_FLUSH,  "Force flush after every draw"},
  65.                 {"noscis",    FD_DBG_NOSCIS, "Disable scissor optimization"},
  66.                 {"direct",    FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
  67.                 {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
  68.                 {"fraghalf",  FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
  69.                 {"nobin",     FD_DBG_NOBIN,  "Disable hw binning"},
  70.                 {"optmsgs",   FD_DBG_OPTMSGS,"Enable optimizer debug messages"},
  71.                 {"optdump",   FD_DBG_OPTDUMP,"Dump shader DAG to .dot files"},
  72.                 {"glsl120",   FD_DBG_GLSL120,"Temporary flag to force GLSL 120 (rather than 130) on a3xx+"},
  73.                 {"nocp",      FD_DBG_NOCP,   "Disable copy-propagation"},
  74.                 {"nir",       FD_DBG_NIR,    "Enable experimental NIR compiler"},
  75.                 DEBUG_NAMED_VALUE_END
  76. };
  77.  
  78. DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
  79.  
  80. int fd_mesa_debug = 0;
  81. bool fd_binning_enabled = true;
  82. static bool glsl120 = false;
  83.  
  84. static const char *
  85. fd_screen_get_name(struct pipe_screen *pscreen)
  86. {
  87.         static char buffer[128];
  88.         util_snprintf(buffer, sizeof(buffer), "FD%03d",
  89.                         fd_screen(pscreen)->device_id);
  90.         return buffer;
  91. }
  92.  
  93. static const char *
  94. fd_screen_get_vendor(struct pipe_screen *pscreen)
  95. {
  96.         return "freedreno";
  97. }
  98.  
  99. static const char *
  100. fd_screen_get_device_vendor(struct pipe_screen *pscreen)
  101. {
  102.         return "Qualcomm";
  103. }
  104.  
  105.  
  106. static uint64_t
  107. fd_screen_get_timestamp(struct pipe_screen *pscreen)
  108. {
  109.         int64_t cpu_time = os_time_get() * 1000;
  110.         return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta;
  111. }
  112.  
  113. static void
  114. fd_screen_destroy(struct pipe_screen *pscreen)
  115. {
  116.         struct fd_screen *screen = fd_screen(pscreen);
  117.  
  118.         if (screen->pipe)
  119.                 fd_pipe_del(screen->pipe);
  120.  
  121.         if (screen->dev)
  122.                 fd_device_del(screen->dev);
  123.  
  124.         free(screen);
  125. }
  126.  
  127. /*
  128. TODO either move caps to a2xx/a3xx specific code, or maybe have some
  129. tables for things that differ if the delta is not too much..
  130.  */
  131. static int
  132. fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
  133. {
  134.         struct fd_screen *screen = fd_screen(pscreen);
  135.  
  136.         /* this is probably not totally correct.. but it's a start: */
  137.         switch (param) {
  138.         /* Supported features (boolean caps). */
  139.         case PIPE_CAP_NPOT_TEXTURES:
  140.         case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
  141.         case PIPE_CAP_TWO_SIDED_STENCIL:
  142.         case PIPE_CAP_ANISOTROPIC_FILTER:
  143.         case PIPE_CAP_POINT_SPRITE:
  144.         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  145.         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  146.         case PIPE_CAP_TEXTURE_SWIZZLE:
  147.         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
  148.         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
  149.         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
  150.         case PIPE_CAP_SEAMLESS_CUBE_MAP:
  151.         case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
  152.         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
  153.         case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
  154.         case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
  155.         case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
  156.         case PIPE_CAP_USER_CONSTANT_BUFFERS:
  157.         case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
  158.         case PIPE_CAP_VERTEXID_NOBASE:
  159.                 return 1;
  160.  
  161.         case PIPE_CAP_SHADER_STENCIL_EXPORT:
  162.         case PIPE_CAP_TGSI_TEXCOORD:
  163.         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
  164.         case PIPE_CAP_CONDITIONAL_RENDER:
  165.         case PIPE_CAP_TEXTURE_MULTISAMPLE:
  166.         case PIPE_CAP_TEXTURE_BARRIER:
  167.         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  168.         case PIPE_CAP_CUBE_MAP_ARRAY:
  169.         case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
  170.         case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
  171.         case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
  172.         case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
  173.         case PIPE_CAP_START_INSTANCE:
  174.         case PIPE_CAP_COMPUTE:
  175.                 return 0;
  176.  
  177.         case PIPE_CAP_SM3:
  178.         case PIPE_CAP_PRIMITIVE_RESTART:
  179.         case PIPE_CAP_TGSI_INSTANCEID:
  180.         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
  181.                 return is_a3xx(screen) || is_a4xx(screen);
  182.  
  183.         case PIPE_CAP_INDEP_BLEND_ENABLE:
  184.         case PIPE_CAP_INDEP_BLEND_FUNC:
  185.         case PIPE_CAP_DEPTH_CLIP_DISABLE:
  186.                 return is_a3xx(screen);
  187.  
  188.         case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
  189.                 return 256;
  190.  
  191.         case PIPE_CAP_GLSL_FEATURE_LEVEL:
  192.                 if (glsl120)
  193.                         return 120;
  194.                 return (is_a3xx(screen) || is_a4xx(screen)) ? 130 : 120;
  195.  
  196.         /* Unsupported features. */
  197.         case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
  198.         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
  199.         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
  200.         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
  201.         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
  202.         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
  203.         case PIPE_CAP_USER_VERTEX_BUFFERS:
  204.         case PIPE_CAP_USER_INDEX_BUFFERS:
  205.         case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
  206.         case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
  207.         case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
  208.         case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
  209.         case PIPE_CAP_TEXTURE_GATHER_SM5:
  210.         case PIPE_CAP_FAKE_SW_MSAA:
  211.         case PIPE_CAP_TEXTURE_QUERY_LOD:
  212.         case PIPE_CAP_SAMPLE_SHADING:
  213.         case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
  214.         case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
  215.         case PIPE_CAP_DRAW_INDIRECT:
  216.         case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
  217.         case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
  218.         case PIPE_CAP_SAMPLER_VIEW_TARGET:
  219.         case PIPE_CAP_CLIP_HALFZ:
  220.         case PIPE_CAP_POLYGON_OFFSET_CLAMP:
  221.         case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
  222.         case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
  223.         case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
  224.                 return 0;
  225.  
  226.         case PIPE_CAP_MAX_VIEWPORTS:
  227.                 return 1;
  228.  
  229.         /* Stream output. */
  230.         case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
  231.         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
  232.         case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
  233.         case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
  234.                 return 0;
  235.  
  236.         /* Geometry shader output, unsupported. */
  237.         case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
  238.         case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
  239.         case PIPE_CAP_MAX_VERTEX_STREAMS:
  240.                 return 0;
  241.  
  242.         case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
  243.                 return 2048;
  244.  
  245.         /* Texturing. */
  246.         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  247.         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  248.                 return MAX_MIP_LEVELS;
  249.         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  250.                 return 11;
  251.  
  252.         case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
  253.                 return (is_a3xx(screen) || is_a4xx(screen)) ? 256 : 0;
  254.  
  255.         /* Render targets. */
  256.         case PIPE_CAP_MAX_RENDER_TARGETS:
  257.                 return screen->max_rts;
  258.  
  259.         /* Queries. */
  260.         case PIPE_CAP_QUERY_TIME_ELAPSED:
  261.         case PIPE_CAP_QUERY_TIMESTAMP:
  262.                 return 0;
  263.         case PIPE_CAP_OCCLUSION_QUERY:
  264.                 /* TODO still missing on a4xx, but we lie to get gl2..
  265.                  * it's not a feature, it's a bug!
  266.                  */
  267.                 return is_a3xx(screen) || is_a4xx(screen);
  268.  
  269.         case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
  270.         case PIPE_CAP_MIN_TEXEL_OFFSET:
  271.                 return -8;
  272.  
  273.         case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
  274.         case PIPE_CAP_MAX_TEXEL_OFFSET:
  275.                 return 7;
  276.  
  277.         case PIPE_CAP_ENDIANNESS:
  278.                 return PIPE_ENDIAN_LITTLE;
  279.  
  280.         case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
  281.                 return 64;
  282.  
  283.         case PIPE_CAP_VENDOR_ID:
  284.                 return 0x5143;
  285.         case PIPE_CAP_DEVICE_ID:
  286.                 return 0xFFFFFFFF;
  287.         case PIPE_CAP_ACCELERATED:
  288.                 return 1;
  289.         case PIPE_CAP_VIDEO_MEMORY:
  290.                 DBG("FINISHME: The value returned is incorrect\n");
  291.                 return 10;
  292.         case PIPE_CAP_UMA:
  293.                 return 1;
  294.         }
  295.         debug_printf("unknown param %d\n", param);
  296.         return 0;
  297. }
  298.  
  299. static float
  300. fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
  301. {
  302.         switch (param) {
  303.         case PIPE_CAPF_MAX_LINE_WIDTH:
  304.         case PIPE_CAPF_MAX_LINE_WIDTH_AA:
  305.         case PIPE_CAPF_MAX_POINT_WIDTH:
  306.         case PIPE_CAPF_MAX_POINT_WIDTH_AA:
  307.                 return 4092.0f;
  308.         case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
  309.                 return 16.0f;
  310.         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
  311.                 return 15.0f;
  312.         case PIPE_CAPF_GUARD_BAND_LEFT:
  313.         case PIPE_CAPF_GUARD_BAND_TOP:
  314.         case PIPE_CAPF_GUARD_BAND_RIGHT:
  315.         case PIPE_CAPF_GUARD_BAND_BOTTOM:
  316.                 return 0.0f;
  317.         }
  318.         debug_printf("unknown paramf %d\n", param);
  319.         return 0;
  320. }
  321.  
  322. static int
  323. fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
  324.                 enum pipe_shader_cap param)
  325. {
  326.         struct fd_screen *screen = fd_screen(pscreen);
  327.  
  328.         switch(shader)
  329.         {
  330.         case PIPE_SHADER_FRAGMENT:
  331.         case PIPE_SHADER_VERTEX:
  332.                 break;
  333.         case PIPE_SHADER_COMPUTE:
  334.         case PIPE_SHADER_GEOMETRY:
  335.                 /* maye we could emulate.. */
  336.                 return 0;
  337.         default:
  338.                 DBG("unknown shader type %d", shader);
  339.                 return 0;
  340.         }
  341.  
  342.         /* this is probably not totally correct.. but it's a start: */
  343.         switch (param) {
  344.         case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
  345.         case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
  346.         case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
  347.         case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
  348.                 return 16384;
  349.         case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
  350.                 return 8; /* XXX */
  351.         case PIPE_SHADER_CAP_MAX_INPUTS:
  352.         case PIPE_SHADER_CAP_MAX_OUTPUTS:
  353.                 return 16;
  354.         case PIPE_SHADER_CAP_MAX_TEMPS:
  355.                 return 64; /* Max native temporaries. */
  356.         case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
  357.                 /* NOTE: seems to be limit for a3xx is actually 512 but
  358.                  * split between VS and FS.  Use lower limit of 256 to
  359.                  * avoid getting into impossible situations:
  360.                  */
  361.                 return ((is_a3xx(screen) || is_a4xx(screen)) ? 4096 : 64) * sizeof(float[4]);
  362.         case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
  363.                 return (is_a3xx(screen) || is_a4xx(screen)) ? 16 : 1;
  364.         case PIPE_SHADER_CAP_MAX_PREDS:
  365.                 return 0; /* nothing uses this */
  366.         case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
  367.                 return 1;
  368.         case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
  369.         case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
  370.         case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
  371.         case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
  372.                 return 1;
  373.         case PIPE_SHADER_CAP_SUBROUTINES:
  374.         case PIPE_SHADER_CAP_DOUBLES:
  375.         case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
  376.         case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
  377.         case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
  378.                 return 0;
  379.         case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
  380.                 return 1;
  381.         case PIPE_SHADER_CAP_INTEGERS:
  382.                 if (glsl120)
  383.                         return 0;
  384.                 return (is_a3xx(screen) || is_a4xx(screen)) ? 1 : 0;
  385.         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
  386.         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
  387.                 return 16;
  388.         case PIPE_SHADER_CAP_PREFERRED_IR:
  389.                 return PIPE_SHADER_IR_TGSI;
  390.         }
  391.         debug_printf("unknown shader param %d\n", param);
  392.         return 0;
  393. }
  394.  
  395. boolean
  396. fd_screen_bo_get_handle(struct pipe_screen *pscreen,
  397.                 struct fd_bo *bo,
  398.                 unsigned stride,
  399.                 struct winsys_handle *whandle)
  400. {
  401.         whandle->stride = stride;
  402.  
  403.         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
  404.                 return fd_bo_get_name(bo, &whandle->handle) == 0;
  405.         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
  406.                 whandle->handle = fd_bo_handle(bo);
  407.                 return TRUE;
  408.         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
  409.                 whandle->handle = fd_bo_dmabuf(bo);
  410.                 return TRUE;
  411.         } else {
  412.                 return FALSE;
  413.         }
  414. }
  415.  
  416. struct fd_bo *
  417. fd_screen_bo_from_handle(struct pipe_screen *pscreen,
  418.                 struct winsys_handle *whandle,
  419.                 unsigned *out_stride)
  420. {
  421.         struct fd_screen *screen = fd_screen(pscreen);
  422.         struct fd_bo *bo;
  423.  
  424.         if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
  425.                 bo = fd_bo_from_name(screen->dev, whandle->handle);
  426.         } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
  427.                 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
  428.         } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
  429.                 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
  430.         } else {
  431.                 DBG("Attempt to import unsupported handle type %d", whandle->type);
  432.                 return NULL;
  433.         }
  434.  
  435.         if (!bo) {
  436.                 DBG("ref name 0x%08x failed", whandle->handle);
  437.                 return NULL;
  438.         }
  439.  
  440.         *out_stride = whandle->stride;
  441.  
  442.         return bo;
  443. }
  444.  
  445. struct pipe_screen *
  446. fd_screen_create(struct fd_device *dev)
  447. {
  448.         struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
  449.         struct pipe_screen *pscreen;
  450.         uint64_t val;
  451.  
  452.         fd_mesa_debug = debug_get_option_fd_mesa_debug();
  453.  
  454.         if (fd_mesa_debug & FD_DBG_NOBIN)
  455.                 fd_binning_enabled = false;
  456.  
  457.         glsl120 = !!(fd_mesa_debug & FD_DBG_GLSL120);
  458.  
  459.         if (!screen)
  460.                 return NULL;
  461.  
  462.         pscreen = &screen->base;
  463.  
  464.         screen->dev = dev;
  465.  
  466.         // maybe this should be in context?
  467.         screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
  468.         if (!screen->pipe) {
  469.                 DBG("could not create 3d pipe");
  470.                 goto fail;
  471.         }
  472.  
  473.         if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
  474.                 DBG("could not get GMEM size");
  475.                 goto fail;
  476.         }
  477.         screen->gmemsize_bytes = val;
  478.  
  479.         if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
  480.                 DBG("could not get device-id");
  481.                 goto fail;
  482.         }
  483.         screen->device_id = val;
  484.  
  485.         if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
  486.                 DBG("could not get gpu-id");
  487.                 goto fail;
  488.         }
  489.         screen->gpu_id = val;
  490.  
  491.         if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
  492.                 DBG("could not get chip-id");
  493.                 /* older kernels may not have this property: */
  494.                 unsigned core  = screen->gpu_id / 100;
  495.                 unsigned major = (screen->gpu_id % 100) / 10;
  496.                 unsigned minor = screen->gpu_id % 10;
  497.                 unsigned patch = 0;  /* assume the worst */
  498.                 val = (patch & 0xff) | ((minor & 0xff) << 8) |
  499.                         ((major & 0xff) << 16) | ((core & 0xff) << 24);
  500.         }
  501.         screen->chip_id = val;
  502.  
  503.         DBG("Pipe Info:");
  504.         DBG(" GPU-id:          %d", screen->gpu_id);
  505.         DBG(" Chip-id:         0x%08x", screen->chip_id);
  506.         DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
  507.  
  508.         /* explicitly checking for GPU revisions that are known to work.  This
  509.          * may be overly conservative for a3xx, where spoofing the gpu_id with
  510.          * the blob driver seems to generate identical cmdstream dumps.  But
  511.          * on a2xx, there seem to be small differences between the GPU revs
  512.          * so it is probably better to actually test first on real hardware
  513.          * before enabling:
  514.          *
  515.          * If you have a different adreno version, feel free to add it to one
  516.          * of the cases below and see what happens.  And if it works, please
  517.          * send a patch ;-)
  518.          */
  519.         switch (screen->gpu_id) {
  520.         case 220:
  521.                 fd2_screen_init(pscreen);
  522.                 break;
  523.         case 307:
  524.         case 320:
  525.         case 330:
  526.                 fd3_screen_init(pscreen);
  527.                 break;
  528.         case 420:
  529.                 fd4_screen_init(pscreen);
  530.                 break;
  531.         default:
  532.                 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
  533.                 goto fail;
  534.         }
  535.  
  536.         pscreen->destroy = fd_screen_destroy;
  537.         pscreen->get_param = fd_screen_get_param;
  538.         pscreen->get_paramf = fd_screen_get_paramf;
  539.         pscreen->get_shader_param = fd_screen_get_shader_param;
  540.  
  541.         fd_resource_screen_init(pscreen);
  542.         fd_query_screen_init(pscreen);
  543.  
  544.         pscreen->get_name = fd_screen_get_name;
  545.         pscreen->get_vendor = fd_screen_get_vendor;
  546.         pscreen->get_device_vendor = fd_screen_get_device_vendor;
  547.  
  548.         pscreen->get_timestamp = fd_screen_get_timestamp;
  549.  
  550.         pscreen->fence_reference = fd_screen_fence_ref;
  551.         pscreen->fence_signalled = fd_screen_fence_signalled;
  552.         pscreen->fence_finish = fd_screen_fence_finish;
  553.  
  554.         util_format_s3tc_init();
  555.  
  556.         return pscreen;
  557.  
  558. fail:
  559.         fd_screen_destroy(pscreen);
  560.         return NULL;
  561. }
  562.