diff options
Diffstat (limited to 'hwc2/hwc2_gralloc.cpp')
| -rw-r--r-- | hwc2/hwc2_gralloc.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/hwc2/hwc2_gralloc.cpp b/hwc2/hwc2_gralloc.cpp index 9301b3d..0b82b45 100644 --- a/hwc2/hwc2_gralloc.cpp +++ b/hwc2/hwc2_gralloc.cpp @@ -16,9 +16,32 @@ #include <cutils/log.h> #include <dlfcn.h> +#include <tegra_adf.h> #include "hwc2.h" +#define NVGR_PIXEL_FORMAT_YUV420 0x100 +#define NVGR_PIXEL_FORMAT_YUV422 0x101 +#define NVGR_PIXEL_FORMAT_YUV422R 0x102 +#define NVGR_PIXEL_FORMAT_UYVY 0x104 +#define NVGR_PIXEL_FORMAT_NV12 0x106 + +#define NVGR_SURFACE_LAYOUT_PITCH 1 +#define NVGR_SURFACE_LAYOUT_TILED 2 +#define NVGR_SURFACE_LAYOUT_BLOCK_LINEAR 3 + +#define NVGR_SURFACE_SIZE 56 + +#define NVGR_GET_SURFACE(surfaces, idx) \ + ((void*)((char *) surfaces + (idx * NVGR_SURFACE_SIZE))) + +/* The surface struct is defined in an NVIDIA binary. Accesses to the struct + * will be done using member offsets */ +#define NVGR_GET_STRUCT_MEMBER(ptr, member_type, member_offset) \ + (*((member_type *)((char *) ptr + member_offset))) + +#define NVGR_SURFACE_OFFSET_LAYOUT 12 + hwc2_gralloc::hwc2_gralloc() { nvgr = dlopen("gralloc.tegra132.so", RTLD_LOCAL | RTLD_LAZY); @@ -27,6 +50,20 @@ hwc2_gralloc::hwc2_gralloc() *(void **)(&nvgr_is_valid) = dlsym(nvgr, "nvgr_is_valid"); LOG_ALWAYS_FATAL_IF(!nvgr_is_valid, "failed to find nvgr_is_valid symbol"); + *(void **)(&nvgr_is_stereo) = dlsym(nvgr, "nvgr_is_stereo"); + LOG_ALWAYS_FATAL_IF(!nvgr_is_stereo, "failed to find nvgr_is_stereo" + " symbol"); + + *(void **)(&nvgr_is_yuv) = dlsym(nvgr, "nvgr_is_yuv"); + LOG_ALWAYS_FATAL_IF(!nvgr_is_stereo, "failed to find nvgr_is_yuv symbol"); + + *(void **)(&nvgr_get_format) = dlsym(nvgr, "nvgr_get_format"); + LOG_ALWAYS_FATAL_IF(!nvgr_get_format, "failed to find nvgr_get_format" + " symbol"); + + *(void **)(&nvgr_get_surfaces) = dlsym(nvgr, "nvgr_get_surfaces"); + LOG_ALWAYS_FATAL_IF(!nvgr_get_surfaces, "failed to find nvgr_get_surfaces" + " symbol"); } hwc2_gralloc::~hwc2_gralloc() @@ -44,3 +81,59 @@ bool hwc2_gralloc::is_valid(buffer_handle_t handle) const { return nvgr_is_valid(handle); } + +bool hwc2_gralloc::is_stereo(buffer_handle_t handle) const +{ + return nvgr_is_stereo(handle); +} + +bool hwc2_gralloc::is_yuv(buffer_handle_t handle) const +{ + return nvgr_is_yuv(handle); +} + +int hwc2_gralloc::get_format(buffer_handle_t handle) const +{ + int format = nvgr_get_format(handle); + + switch (format) { + case HAL_PIXEL_FORMAT_RGB_565: + return DRM_FORMAT_BGR565; + case NVGR_PIXEL_FORMAT_YUV420: + return DRM_FORMAT_YUV420; + case NVGR_PIXEL_FORMAT_YUV422: + return DRM_FORMAT_YUV422; + case NVGR_PIXEL_FORMAT_YUV422R: + return TEGRA_ADF_FORMAT_YCbCr422R; + case NVGR_PIXEL_FORMAT_UYVY: + return DRM_FORMAT_UYVY; + case NVGR_PIXEL_FORMAT_NV12: + return DRM_FORMAT_NV12; + default: + return adf_fourcc_for_hal_pixel_format(format); + } +} + +void hwc2_gralloc::get_surfaces(buffer_handle_t handle, + const void **surf, size_t *surf_cnt) const +{ + nvgr_get_surfaces(handle, surf, surf_cnt); +} + +int32_t hwc2_gralloc::get_layout(const void *surf, uint32_t surf_idx) const +{ + uint32_t layout = NVGR_GET_STRUCT_MEMBER(NVGR_GET_SURFACE(surf, surf_idx), + uint32_t, NVGR_SURFACE_OFFSET_LAYOUT); + + switch (layout) { + case NVGR_SURFACE_LAYOUT_PITCH: + return HWC2_WINDOW_CAP_PITCH; + case NVGR_SURFACE_LAYOUT_TILED: + return HWC2_WINDOW_CAP_TILED; + case NVGR_SURFACE_LAYOUT_BLOCK_LINEAR: + return HWC2_WINDOW_CAP_BLOCK_LINEAR; + default: + ALOGE("Unrecognized layout"); + return -1; + } +} |