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vc4: add hash table look-up for exported dmabufs
[android-x86/external-mesa.git] / src / gallium / drivers / vc4 / vc4_screen.c
index db88eaa..d8fb3bf 100644 (file)
@@ -30,6 +30,7 @@
 #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 "vc4_screen.h"
@@ -43,6 +44,8 @@ static const struct debug_named_value debug_options[] = {
           "Dump generated QPU instructions" },
         { "qir",      VC4_DEBUG_QIR,
           "Dump QPU IR during program compile" },
+        { "nir",      VC4_DEBUG_NIR,
+          "Dump NIR during program compile" },
         { "tgsi",     VC4_DEBUG_TGSI,
           "Dump TGSI during program compile" },
         { "shaderdb", VC4_DEBUG_SHADERDB,
@@ -55,6 +58,10 @@ static const struct debug_named_value debug_options[] = {
           "Flush after each draw call" },
         { "always_sync", VC4_DEBUG_ALWAYS_SYNC,
           "Wait for finish after each flush" },
+#if USE_VC4_SIMULATOR
+        { "dump", VC4_DEBUG_DUMP,
+          "Write a GPU command stream trace file" },
+#endif
         { NULL }
 };
 
@@ -76,7 +83,10 @@ vc4_screen_get_vendor(struct pipe_screen *pscreen)
 static void
 vc4_screen_destroy(struct pipe_screen *pscreen)
 {
+        struct vc4_screen *screen = vc4_screen(pscreen);
+
         vc4_bufmgr_destroy(pscreen);
+        close(screen->fd);
         ralloc_free(pscreen);
 }
 
@@ -85,13 +95,19 @@ vc4_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_USER_INDEX_BUFFERS:
+        case PIPE_CAP_TEXTURE_MULTISAMPLE:
+        case PIPE_CAP_TEXTURE_SWIZZLE:
                 return 1;
 
                 /* lying for GL 2.0 */
@@ -118,9 +134,9 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
                 /* 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_TEXTURE_SWIZZLE:
         case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
         case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
         case PIPE_CAP_SEAMLESS_CUBE_MAP:
@@ -137,7 +153,6 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         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:
@@ -147,10 +162,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         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:
@@ -165,6 +177,8 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_MAX_TEXEL_OFFSET:
         case PIPE_CAP_MAX_VERTEX_STREAMS:
         case PIPE_CAP_DRAW_INDIRECT:
+        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:
@@ -172,6 +186,35 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         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_SHADER_BUFFER_OFFSET_ALIGNMENT:
+        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:
                 return 0;
 
                 /* Stream output. */
@@ -316,12 +359,23 @@ vc4_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
         case PIPE_SHADER_CAP_INTEGERS:
                 return 1;
         case PIPE_SHADER_CAP_DOUBLES:
+        case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
+        case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
                 return 0;
         case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
         case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
                 return VC4_MAX_TEXTURE_SAMPLERS;
         case PIPE_SHADER_CAP_PREFERRED_IR:
                 return PIPE_SHADER_IR_TGSI;
+        case PIPE_SHADER_CAP_SUPPORTED_IRS:
+                return 0;
+       case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
+               return 32;
+        case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
+        case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
+                return 0;
         default:
                 fprintf(stderr, "unknown shader param %d\n", param);
                 return 0;
@@ -338,8 +392,10 @@ vc4_screen_is_format_supported(struct pipe_screen *pscreen,
 {
         unsigned retval = 0;
 
+        if (sample_count > 1 && sample_count != VC4_MAX_SAMPLES)
+                return FALSE;
+
         if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
-            (sample_count > 1) ||
             !util_format_is_supported(format, usage)) {
                 return FALSE;
         }
@@ -403,7 +459,7 @@ vc4_screen_is_format_supported(struct pipe_screen *pscreen,
         }
 
         if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
-            (vc4_tex_format_supported(format))) {
+            vc4_tex_format_supported(format)) {
                 retval |= PIPE_BIND_SAMPLER_VIEW;
         }
 
@@ -436,6 +492,18 @@ vc4_screen_is_format_supported(struct pipe_screen *pscreen,
         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);
+}
+
 struct pipe_screen *
 vc4_screen_create(int fd)
 {
@@ -452,7 +520,9 @@ vc4_screen_create(int fd)
         pscreen->is_format_supported = vc4_screen_is_format_supported;
 
         screen->fd = fd;
-        make_empty_list(&screen->bo_cache.time_list);
+        list_inithead(&screen->bo_cache.time_list);
+        pipe_mutex_init(screen->bo_handles_mutex);
+        screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
 
         vc4_fence_init(screen);
 
@@ -468,6 +538,7 @@ vc4_screen_create(int fd)
 
         pscreen->get_name = vc4_screen_get_name;
         pscreen->get_vendor = vc4_screen_get_vendor;
+        pscreen->get_device_vendor = vc4_screen_get_vendor;
 
         return pscreen;
 }
@@ -480,6 +551,12 @@ vc4_screen_bo_get_handle(struct pipe_screen *pscreen,
 {
         whandle->stride = stride;
 
+        /* If we're passing some reference to our BO out to some other part of
+         * the system, then we can't do any optimizations about only us being
+         * the ones seeing it (like BO caching or shadow update avoidance).
+         */
+        bo->private = false;
+
         switch (whandle->type) {
         case DRM_API_HANDLE_TYPE_SHARED:
                 return vc4_bo_flink(bo, &whandle->handle);
@@ -500,6 +577,13 @@ vc4_screen_bo_from_handle(struct pipe_screen *pscreen,
 {
         struct vc4_screen *screen = vc4_screen(pscreen);
 
+        if (whandle->offset != 0) {
+                fprintf(stderr,
+                        "Attempt to import unsupported winsys offset %u\n",
+                        whandle->offset);
+                return NULL;
+        }
+
         switch (whandle->type) {
         case DRM_API_HANDLE_TYPE_SHARED:
                 return vc4_bo_open_name(screen, whandle->handle, whandle->stride);