X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgbm%2Fmain%2Fgbm.h;h=4c6ab3776995dc74e43568764b19242a9225115a;hb=272f9cfe6a19212354c89dc443959473ac5d398e;hp=67548206c40373e9c89395032cb0881713f5f64d;hpb=f9567ab435217a72cbae628336ead84dc0b2a803;p=mesa.git

diff --git a/src/gbm/main/gbm.h b/src/gbm/main/gbm.h
index 67548206c40..4c6ab377699 100644
--- a/src/gbm/main/gbm.h
+++ b/src/gbm/main/gbm.h
@@ -77,6 +77,12 @@ enum gbm_bo_format {
    GBM_BO_FORMAT_ARGB8888
 };
 
+
+/**
+ * The FourCC format codes are taken from the drm_fourcc.h definition, and
+ * re-namespaced. New GBM formats must not be added, unless they are
+ * identical ports from drm_fourcc.
+ */
 #define __gbm_fourcc_code(a,b,c,d) ((uint32_t)(a) | ((uint32_t)(b) << 8) | \
 			      ((uint32_t)(c) << 16) | ((uint32_t)(d) << 24))
 
@@ -144,6 +150,15 @@ enum gbm_bo_format {
 #define GBM_FORMAT_RGBA1010102	__gbm_fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
 #define GBM_FORMAT_BGRA1010102	__gbm_fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
 
+/*
+ * Floating point 64bpp RGB
+ * IEEE 754-2008 binary16 half-precision float
+ * [15:0] sign:exponent:mantissa 1:5:10
+ */
+#define GBM_FORMAT_XBGR16161616F __gbm_fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
+#define GBM_FORMAT_ABGR16161616F __gbm_fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
+
 /* packed YCbCr */
 #define GBM_FORMAT_YUYV		__gbm_fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
 #define GBM_FORMAT_YVYU		__gbm_fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
@@ -184,6 +199,9 @@ enum gbm_bo_format {
 #define GBM_FORMAT_YUV444	__gbm_fourcc_code('Y', 'U', '2', '4') /* non-subsampled Cb (1) and Cr (2) planes */
 #define GBM_FORMAT_YVU444	__gbm_fourcc_code('Y', 'V', '2', '4') /* non-subsampled Cr (1) and Cb (2) planes */
 
+struct gbm_format_name_desc {
+   char name[5];
+};
 
 /**
  * Flags to indicate the intended use for the buffer - these are passed into
@@ -232,6 +250,11 @@ int
 gbm_device_is_format_supported(struct gbm_device *gbm,
                                uint32_t format, uint32_t usage);
 
+int
+gbm_device_get_format_modifier_plane_count(struct gbm_device *gbm,
+                                           uint32_t format,
+                                           uint64_t modifier);
+
 void
 gbm_device_destroy(struct gbm_device *gbm);
 
@@ -243,9 +266,16 @@ gbm_bo_create(struct gbm_device *gbm,
               uint32_t width, uint32_t height,
               uint32_t format, uint32_t flags);
 
+struct gbm_bo *
+gbm_bo_create_with_modifiers(struct gbm_device *gbm,
+                             uint32_t width, uint32_t height,
+                             uint32_t format,
+                             const uint64_t *modifiers,
+                             const unsigned int count);
 #define GBM_BO_IMPORT_WL_BUFFER         0x5501
 #define GBM_BO_IMPORT_EGL_IMAGE         0x5502
 #define GBM_BO_IMPORT_FD                0x5503
+#define GBM_BO_IMPORT_FD_MODIFIER       0x5504
 
 struct gbm_import_fd_data {
    int fd;
@@ -255,6 +285,17 @@ struct gbm_import_fd_data {
    uint32_t format;
 };
 
+struct gbm_import_fd_modifier_data {
+   uint32_t width;
+   uint32_t height;
+   uint32_t format;
+   uint32_t num_fds;
+   int fds[4];
+   int strides[4];
+   int offsets[4];
+   uint64_t modifier;
+};
+
 struct gbm_bo *
 gbm_bo_import(struct gbm_device *gbm, uint32_t type,
               void *buffer, uint32_t usage);
@@ -303,9 +344,18 @@ gbm_bo_get_height(struct gbm_bo *bo);
 uint32_t
 gbm_bo_get_stride(struct gbm_bo *bo);
 
+uint32_t
+gbm_bo_get_stride_for_plane(struct gbm_bo *bo, int plane);
+
 uint32_t
 gbm_bo_get_format(struct gbm_bo *bo);
 
+uint32_t
+gbm_bo_get_bpp(struct gbm_bo *bo);
+
+uint32_t
+gbm_bo_get_offset(struct gbm_bo *bo, int plane);
+
 struct gbm_device *
 gbm_bo_get_device(struct gbm_bo *bo);
 
@@ -315,6 +365,9 @@ gbm_bo_get_handle(struct gbm_bo *bo);
 int
 gbm_bo_get_fd(struct gbm_bo *bo);
 
+uint64_t
+gbm_bo_get_modifier(struct gbm_bo *bo);
+
 int
 gbm_bo_get_plane_count(struct gbm_bo *bo);
 
@@ -339,8 +392,12 @@ gbm_surface_create(struct gbm_device *gbm,
                    uint32_t width, uint32_t height,
 		   uint32_t format, uint32_t flags);
 
-int
-gbm_surface_needs_lock_front_buffer(struct gbm_surface *surface);
+struct gbm_surface *
+gbm_surface_create_with_modifiers(struct gbm_device *gbm,
+                                  uint32_t width, uint32_t height,
+                                  uint32_t format,
+                                  const uint64_t *modifiers,
+                                  const unsigned int count);
 
 struct gbm_bo *
 gbm_surface_lock_front_buffer(struct gbm_surface *surface);
@@ -354,6 +411,9 @@ gbm_surface_has_free_buffers(struct gbm_surface *surface);
 void
 gbm_surface_destroy(struct gbm_surface *surface);
 
+char *
+gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc);
+
 #ifdef __cplusplus
 }
 #endif