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Merge branch 'upstream-master'
[android-x86/external-minigbm.git] / drv.c
diff --git a/drv.c b/drv.c
index 3ccf16e..bc1f782 100644 (file)
--- a/drv.c
+++ b/drv.c
 #include <unistd.h>
 #include <xf86drm.h>
 
+#ifdef __ANDROID__
+#include <cutils/log.h>
+#include <libgen.h>
+#endif
+
 #include "drv_priv.h"
 #include "helpers.h"
 #include "util.h"
 
 #ifdef DRV_AMDGPU
-extern struct backend backend_amdgpu;
+extern const struct backend backend_amdgpu;
 #endif
-extern struct backend backend_cirrus;
-extern struct backend backend_evdi;
+extern const struct backend backend_evdi;
 #ifdef DRV_EXYNOS
-extern struct backend backend_exynos;
+extern const struct backend backend_exynos;
 #endif
-extern struct backend backend_gma500;
 #ifdef DRV_I915
-extern struct backend backend_i915;
+extern const struct backend backend_i915;
 #endif
 #ifdef DRV_MARVELL
-extern struct backend backend_marvell;
+extern const struct backend backend_marvell;
 #endif
 #ifdef DRV_MEDIATEK
-extern struct backend backend_mediatek;
+extern const struct backend backend_mediatek;
+#endif
+#ifdef DRV_MESON
+extern const struct backend backend_meson;
 #endif
-extern struct backend backend_nouveau;
+#ifdef DRV_MSM
+extern const struct backend backend_msm;
+#endif
+extern const struct backend backend_nouveau;
 #ifdef DRV_RADEON
-extern struct backend backend_radeon;
+extern const struct backend backend_radeon;
 #endif
 #ifdef DRV_ROCKCHIP
-extern struct backend backend_rockchip;
+extern const struct backend backend_rockchip;
 #endif
 #ifdef DRV_TEGRA
-extern struct backend backend_tegra;
+extern const struct backend backend_tegra;
 #endif
-extern struct backend backend_udl;
+extern const struct backend backend_udl;
 #ifdef DRV_VC4
-extern struct backend backend_vc4;
+extern const struct backend backend_vc4;
 #endif
-extern struct backend backend_vgem;
-extern struct backend backend_virtio_gpu;
+extern const struct backend backend_vgem;
+extern const struct backend backend_virtio_gpu;
 
-static struct backend *drv_get_backend(int fd)
+static const struct backend *drv_get_backend(int fd)
 {
        drmVersionPtr drm_version;
        unsigned int i;
@@ -65,15 +74,14 @@ static struct backend *drv_get_backend(int fd)
        if (!drm_version)
                return NULL;
 
-       struct backend *backend_list[] = {
+       const struct backend *backend_list[] = {
 #ifdef DRV_AMDGPU
                &backend_amdgpu,
 #endif
-               &backend_cirrus,   &backend_evdi,
+               &backend_evdi,
 #ifdef DRV_EXYNOS
                &backend_exynos,
 #endif
-               &backend_gma500,
 #ifdef DRV_I915
                &backend_i915,
 #endif
@@ -83,6 +91,12 @@ static struct backend *drv_get_backend(int fd)
 #ifdef DRV_MEDIATEK
                &backend_mediatek,
 #endif
+#ifdef DRV_MESON
+               &backend_meson,
+#endif
+#ifdef DRV_MSM
+               &backend_msm,
+#endif
                &backend_nouveau,
 #ifdef DRV_RADEON
                &backend_radeon,
@@ -133,30 +147,26 @@ struct driver *drv_create(int fd)
        if (!drv->buffer_table)
                goto free_lock;
 
-       drv->map_table = drmHashCreate();
-       if (!drv->map_table)
+       drv->mappings = drv_array_init(sizeof(struct mapping));
+       if (!drv->mappings)
                goto free_buffer_table;
 
-       /* Start with a power of 2 number of allocations. */
-       drv->combos.allocations = 2;
-       drv->combos.size = 0;
-
-       drv->combos.data = calloc(drv->combos.allocations, sizeof(struct combination));
-       if (!drv->combos.data)
-               goto free_map_table;
+       drv->combos = drv_array_init(sizeof(struct combination));
+       if (!drv->combos)
+               goto free_mappings;
 
        if (drv->backend->init) {
                ret = drv->backend->init(drv);
                if (ret) {
-                       free(drv->combos.data);
-                       goto free_map_table;
+                       drv_array_destroy(drv->combos);
+                       goto free_mappings;
                }
        }
 
        return drv;
 
-free_map_table:
-       drmHashDestroy(drv->map_table);
+free_mappings:
+       drv_array_destroy(drv->mappings);
 free_buffer_table:
        drmHashDestroy(drv->buffer_table);
 free_lock:
@@ -174,9 +184,8 @@ void drv_destroy(struct driver *drv)
                drv->backend->close(drv);
 
        drmHashDestroy(drv->buffer_table);
-       drmHashDestroy(drv->map_table);
-
-       free(drv->combos.data);
+       drv_array_destroy(drv->mappings);
+       drv_array_destroy(drv->combos);
 
        pthread_mutex_unlock(&drv->driver_lock);
        pthread_mutex_destroy(&drv->driver_lock);
@@ -203,8 +212,8 @@ struct combination *drv_get_combination(struct driver *drv, uint32_t format, uin
 
        best = NULL;
        uint32_t i;
-       for (i = 0; i < drv->combos.size; i++) {
-               curr = &drv->combos.data[i];
+       for (i = 0; i < drv_array_size(drv->combos); i++) {
+               curr = drv_array_at_idx(drv->combos, i);
                if ((format == curr->format) && use_flags == (curr->use_flags & use_flags))
                        if (!best || best->metadata.priority < curr->metadata.priority)
                                best = curr;
@@ -326,7 +335,7 @@ void drv_bo_destroy(struct bo *bo)
        pthread_mutex_unlock(&drv->driver_lock);
 
        if (total == 0) {
-               assert(drv_map_info_destroy(bo) == 0);
+               assert(drv_mapping_destroy(bo) == 0);
                bo->drv->backend->bo_destroy(bo);
        }
 
@@ -358,7 +367,7 @@ struct bo *drv_bo_import(struct driver *drv, struct drv_import_fd_data *data)
 
                seek_end = lseek(data->fds[plane], 0, SEEK_END);
                if (seek_end == (off_t)(-1)) {
-                       fprintf(stderr, "drv: lseek() failed with %s\n", strerror(errno));
+                       drv_log("lseek() failed with %s\n", strerror(errno));
                        goto destroy_bo;
                }
 
@@ -369,7 +378,7 @@ struct bo *drv_bo_import(struct driver *drv, struct drv_import_fd_data *data)
                        bo->sizes[plane] = data->offsets[plane + 1] - data->offsets[plane];
 
                if ((int64_t)bo->offsets[plane] + bo->sizes[plane] > seek_end) {
-                       fprintf(stderr, "drv: buffer size is too large.\n");
+                       drv_log("buffer size is too large.\n");
                        goto destroy_bo;
                }
 
@@ -383,99 +392,134 @@ destroy_bo:
        return NULL;
 }
 
-void *drv_bo_map(struct bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height,
-                uint32_t map_flags, struct map_info **map_data, size_t plane)
+void *drv_bo_map(struct bo *bo, const struct rectangle *rect, uint32_t map_flags,
+                struct mapping **map_data, size_t plane)
 {
-       void *ptr;
+       uint32_t i;
        uint8_t *addr;
-       size_t offset;
-       struct map_info *data;
+       struct mapping mapping;
 
-       assert(width > 0);
-       assert(height > 0);
-       assert(x + width <= drv_bo_get_width(bo));
-       assert(y + height <= drv_bo_get_height(bo));
+       assert(rect->width >= 0);
+       assert(rect->height >= 0);
+       assert(rect->x + rect->width <= drv_bo_get_width(bo));
+       assert(rect->y + rect->height <= drv_bo_get_height(bo));
        assert(BO_MAP_READ_WRITE & map_flags);
        /* No CPU access for protected buffers. */
        assert(!(bo->use_flags & BO_USE_PROTECTED));
 
+       memset(&mapping, 0, sizeof(mapping));
+       mapping.rect = *rect;
+       mapping.refcount = 1;
+
        pthread_mutex_lock(&bo->drv->driver_lock);
 
-       if (!drmHashLookup(bo->drv->map_table, bo->handles[plane].u32, &ptr)) {
-               data = (struct map_info *)ptr;
-               /* TODO(gsingh): support mapping same buffer with different flags. */
-               assert(data->map_flags == map_flags);
-               data->refcount++;
+       for (i = 0; i < drv_array_size(bo->drv->mappings); i++) {
+               struct mapping *prior = (struct mapping *)drv_array_at_idx(bo->drv->mappings, i);
+               if (prior->vma->handle != bo->handles[plane].u32 ||
+                   prior->vma->map_flags != map_flags)
+                       continue;
+
+               if (rect->x != prior->rect.x || rect->y != prior->rect.y ||
+                   rect->width != prior->rect.width || rect->height != prior->rect.height)
+                       continue;
+
+               prior->refcount++;
+               *map_data = prior;
+               goto exact_match;
+       }
+
+       for (i = 0; i < drv_array_size(bo->drv->mappings); i++) {
+               struct mapping *prior = (struct mapping *)drv_array_at_idx(bo->drv->mappings, i);
+               if (prior->vma->handle != bo->handles[plane].u32 ||
+                   prior->vma->map_flags != map_flags)
+                       continue;
+
+               prior->vma->refcount++;
+               mapping.vma = prior->vma;
                goto success;
        }
 
-       data = calloc(1, sizeof(*data));
-       addr = bo->drv->backend->bo_map(bo, data, plane, map_flags);
+       mapping.vma = calloc(1, sizeof(*mapping.vma));
+       memcpy(mapping.vma->map_strides, bo->strides, sizeof(mapping.vma->map_strides));
+       addr = bo->drv->backend->bo_map(bo, mapping.vma, plane, map_flags);
        if (addr == MAP_FAILED) {
                *map_data = NULL;
-               free(data);
+               free(mapping.vma);
                pthread_mutex_unlock(&bo->drv->driver_lock);
                return MAP_FAILED;
        }
 
-       data->refcount = 1;
-       data->addr = addr;
-       data->handle = bo->handles[plane].u32;
-       data->map_flags = map_flags;
-       drmHashInsert(bo->drv->map_table, bo->handles[plane].u32, (void *)data);
+       mapping.vma->refcount = 1;
+       mapping.vma->addr = addr;
+       mapping.vma->handle = bo->handles[plane].u32;
+       mapping.vma->map_flags = map_flags;
 
 success:
-       drv_bo_invalidate(bo, data);
-       *map_data = data;
-       offset = drv_bo_get_plane_stride(bo, plane) * y;
-       offset += drv_stride_from_format(bo->format, x, plane);
-       addr = (uint8_t *)data->addr;
-       addr += drv_bo_get_plane_offset(bo, plane) + offset;
+       *map_data = drv_array_append(bo->drv->mappings, &mapping);
+exact_match:
+       drv_bo_invalidate(bo, *map_data);
+       addr = (uint8_t *)((*map_data)->vma->addr);
+       addr += drv_bo_get_plane_offset(bo, plane);
        pthread_mutex_unlock(&bo->drv->driver_lock);
-
        return (void *)addr;
 }
 
-int drv_bo_unmap(struct bo *bo, struct map_info *data)
+int drv_bo_unmap(struct bo *bo, struct mapping *mapping)
 {
-       int ret = drv_bo_flush(bo, data);
-       if (ret)
-               return ret;
+       uint32_t i;
+       int ret = 0;
 
        pthread_mutex_lock(&bo->drv->driver_lock);
 
-       if (!--data->refcount) {
-               ret = bo->drv->backend->bo_unmap(bo, data);
-               drmHashDelete(bo->drv->map_table, data->handle);
-               free(data);
+       if (--mapping->refcount)
+               goto out;
+
+       if (!--mapping->vma->refcount) {
+               ret = bo->drv->backend->bo_unmap(bo, mapping->vma);
+               free(mapping->vma);
        }
 
-       pthread_mutex_unlock(&bo->drv->driver_lock);
+       for (i = 0; i < drv_array_size(bo->drv->mappings); i++) {
+               if (mapping == (struct mapping *)drv_array_at_idx(bo->drv->mappings, i)) {
+                       drv_array_remove(bo->drv->mappings, i);
+                       break;
+               }
+       }
 
+out:
+       pthread_mutex_unlock(&bo->drv->driver_lock);
        return ret;
 }
 
-int drv_bo_invalidate(struct bo *bo, struct map_info *data)
+int drv_bo_invalidate(struct bo *bo, struct mapping *mapping)
 {
        int ret = 0;
-       assert(data);
-       assert(data->refcount >= 0);
+
+       assert(mapping);
+       assert(mapping->vma);
+       assert(mapping->refcount > 0);
+       assert(mapping->vma->refcount > 0);
 
        if (bo->drv->backend->bo_invalidate)
-               ret = bo->drv->backend->bo_invalidate(bo, data);
+               ret = bo->drv->backend->bo_invalidate(bo, mapping);
 
        return ret;
 }
 
-int drv_bo_flush(struct bo *bo, struct map_info *data)
+int drv_bo_flush_or_unmap(struct bo *bo, struct mapping *mapping)
 {
        int ret = 0;
-       assert(data);
-       assert(data->refcount >= 0);
+
+       assert(mapping);
+       assert(mapping->vma);
+       assert(mapping->refcount > 0);
+       assert(mapping->vma->refcount > 0);
        assert(!(bo->use_flags & BO_USE_PROTECTED));
 
        if (bo->drv->backend->bo_flush)
-               ret = bo->drv->backend->bo_flush(bo, data);
+               ret = bo->drv->backend->bo_flush(bo, mapping);
+       else
+               ret = drv_bo_unmap(bo, mapping);
 
        return ret;
 }
@@ -517,6 +561,10 @@ int drv_bo_get_plane_fd(struct bo *bo, size_t plane)
 
        ret = drmPrimeHandleToFD(bo->drv->fd, bo->handles[plane].u32, DRM_CLOEXEC | DRM_RDWR, &fd);
 
+       // Older DRM implementations blocked DRM_RDWR, but gave a read/write mapping anyways
+       if (ret)
+               ret = drmPrimeHandleToFD(bo->drv->fd, bo->handles[plane].u32, DRM_CLOEXEC, &fd);
+
        return (ret) ? ret : fd;
 }
 
@@ -557,69 +605,6 @@ uint32_t drv_resolve_format(struct driver *drv, uint32_t format, uint64_t use_fl
        return format;
 }
 
-size_t drv_num_planes_from_format(uint32_t format)
-{
-       switch (format) {
-       case DRM_FORMAT_ABGR1555:
-       case DRM_FORMAT_ABGR2101010:
-       case DRM_FORMAT_ABGR4444:
-       case DRM_FORMAT_ABGR8888:
-       case DRM_FORMAT_ARGB1555:
-       case DRM_FORMAT_ARGB2101010:
-       case DRM_FORMAT_ARGB4444:
-       case DRM_FORMAT_ARGB8888:
-       case DRM_FORMAT_AYUV:
-       case DRM_FORMAT_BGR233:
-       case DRM_FORMAT_BGR565:
-       case DRM_FORMAT_BGR888:
-       case DRM_FORMAT_BGRA1010102:
-       case DRM_FORMAT_BGRA4444:
-       case DRM_FORMAT_BGRA5551:
-       case DRM_FORMAT_BGRA8888:
-       case DRM_FORMAT_BGRX1010102:
-       case DRM_FORMAT_BGRX4444:
-       case DRM_FORMAT_BGRX5551:
-       case DRM_FORMAT_BGRX8888:
-       case DRM_FORMAT_C8:
-       case DRM_FORMAT_GR88:
-       case DRM_FORMAT_R8:
-       case DRM_FORMAT_RG88:
-       case DRM_FORMAT_RGB332:
-       case DRM_FORMAT_RGB565:
-       case DRM_FORMAT_RGB888:
-       case DRM_FORMAT_RGBA1010102:
-       case DRM_FORMAT_RGBA4444:
-       case DRM_FORMAT_RGBA5551:
-       case DRM_FORMAT_RGBA8888:
-       case DRM_FORMAT_RGBX1010102:
-       case DRM_FORMAT_RGBX4444:
-       case DRM_FORMAT_RGBX5551:
-       case DRM_FORMAT_RGBX8888:
-       case DRM_FORMAT_UYVY:
-       case DRM_FORMAT_VYUY:
-       case DRM_FORMAT_XBGR1555:
-       case DRM_FORMAT_XBGR2101010:
-       case DRM_FORMAT_XBGR4444:
-       case DRM_FORMAT_XBGR8888:
-       case DRM_FORMAT_XRGB1555:
-       case DRM_FORMAT_XRGB2101010:
-       case DRM_FORMAT_XRGB4444:
-       case DRM_FORMAT_XRGB8888:
-       case DRM_FORMAT_YUYV:
-       case DRM_FORMAT_YVYU:
-               return 1;
-       case DRM_FORMAT_NV12:
-       case DRM_FORMAT_NV21:
-               return 2;
-       case DRM_FORMAT_YVU420:
-       case DRM_FORMAT_YVU420_ANDROID:
-               return 3;
-       }
-
-       fprintf(stderr, "drv: UNKNOWN FORMAT %d\n", format);
-       return 0;
-}
-
 uint32_t drv_num_buffers_per_bo(struct bo *bo)
 {
        uint32_t count = 0;
@@ -635,3 +620,19 @@ uint32_t drv_num_buffers_per_bo(struct bo *bo)
 
        return count;
 }
+
+void drv_log_prefix(const char *prefix, const char *file, int line, const char *format, ...)
+{
+       char buf[50];
+       snprintf(buf, sizeof(buf), "[%s:%s(%d)]", prefix, basename(file), line);
+
+       va_list args;
+       va_start(args, format);
+#ifdef __ANDROID__
+       __android_log_vprint(ANDROID_LOG_ERROR, buf, format, args);
+#else
+       fprintf(stderr, "%s ", buf);
+       vfprintf(stderr, format, args);
+#endif
+       va_end(args);
+}