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buildroot/package/mesa3d/0017-gbm-add-gbm_bo_blit.patch

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From 4e73467f49320e7647ec8e95a754f7574733838f Mon Sep 17 00:00:00 2001
From: Imagination Technologies <powervr@imgtec.com>
Date: Tue, 28 Nov 2017 16:27:38 +0000
Subject: [PATCH 017/168] gbm: add gbm_bo_blit
For the GBM DRI backend, gbm_bo_blit is a wrapper around blitImage in
the DRI Image extension.
---
src/gbm/backends/dri/gbm_dri.c | 33 +++++++++++++++++++++++++++++++++
src/gbm/main/gbm.c | 31 +++++++++++++++++++++++++++++++
src/gbm/main/gbm.h | 21 +++++++++++++++++++++
src/gbm/main/gbm_abi_check.c | 20 +++++++++++++++++++-
src/gbm/main/gbm_backend_abi.h | 8 ++++++++
5 files changed, 112 insertions(+), 1 deletion(-)
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index 36cee87a2fd..6dad8d97d17 100644
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -1412,6 +1412,37 @@ gbm_dri_surface_destroy(struct gbm_surface *_surf)
free(surf);
}
+static int
+gbm_dri_bo_blit(struct gbm_bo *_dst_bo, struct gbm_bo *_src_bo,
+ int dst_x0, int dst_y0, int dst_width, int dst_height,
+ int src_x0, int src_y0, int src_width, int src_height,
+ enum gbm_blit_flags flags)
+{
+ struct gbm_dri_device *dri = gbm_dri_device(_dst_bo->gbm);
+ struct gbm_dri_bo *dst_bo = gbm_dri_bo(_dst_bo);
+ struct gbm_dri_bo *src_bo = gbm_dri_bo(_src_bo);
+
+ if (!dri->image || dri->image->base.version < 9 || !dri->image->blitImage) {
+ errno = ENOSYS;
+ return 0;
+ }
+
+ mtx_lock(&dri->mutex);
+ if (!dri->context)
+ dri->context = dri->dri2->createNewContext(dri->screen, NULL,
+ NULL, NULL);
+ assert(dri->context);
+ mtx_unlock(&dri->mutex);
+
+ /* GBM flags and DRI flags are the same, so just pass them on */
+ dri->image->blitImage(dri->context, dst_bo->image, src_bo->image,
+ dst_x0, dst_y0, dst_width, dst_height,
+ src_x0, src_y0, src_width, src_height,
+ flags);
+
+ return 1;
+}
+
static void
dri_destroy(struct gbm_device *gbm)
{
@@ -1473,6 +1504,8 @@ dri_device_create(int fd, uint32_t gbm_backend_version)
dri->base.v0.name = "drm";
+ dri->base.v1.bo_blit = gbm_dri_bo_blit;
+
dri->visual_table = gbm_dri_visuals_table;
dri->num_visuals = ARRAY_SIZE(gbm_dri_visuals_table);
diff --git a/src/gbm/main/gbm.c b/src/gbm/main/gbm.c
index 599f7aae9b6..27e9f5bcd03 100644
--- a/src/gbm/main/gbm.c
+++ b/src/gbm/main/gbm.c
@@ -827,6 +827,37 @@ gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc)
return desc->name;
}
+/**
+ * Blit from one buffer object to another
+ *
+ * \param dst_bo The destination buffer object
+ * \param src_bo The source buffer object
+ * \param dst_x0 The X coordinate (top left origin) of the destination rectangle
+ * \param dst_y0 The Y coordinate (top left origin) of the destination rectangle
+ * \param dst_width The width of the destination rectangle
+ * \param dst_height The height of the destination rectangle
+ * \param src_x0 The X coordinate (top left origin) of the source rectangle
+ * \param src_y0 The Y coordinate (top left origin) of the source rectangle
+ * \param src_width The width of the source rectangle
+ * \param src_height The height of the source rectangle
+ * \param flags The flags for the blit
+ * \return 1 on success, 0 otherwise
+ */
+GBM_EXPORT int
+gbm_bo_blit(struct gbm_bo *dst_bo, struct gbm_bo *src_bo,
+ int dst_x0, int dst_y0, int dst_width, int dst_height,
+ int src_x0, int src_y0, int src_width, int src_height,
+ enum gbm_blit_flags flags)
+{
+ if (dst_bo->gbm->v0.backend_version >= 1)
+ return dst_bo->gbm->v1.bo_blit(dst_bo, src_bo,
+ dst_x0, dst_y0, dst_width, dst_height,
+ src_x0, src_y0, src_width, src_height,
+ flags);
+ else
+ return 0;
+}
+
/**
* A global table of functions and global variables defined in the core GBM
* code that need to be accessed directly by GBM backends.
diff --git a/src/gbm/main/gbm.h b/src/gbm/main/gbm.h
index 1a1e2caecb4..207b6cf9d74 100644
--- a/src/gbm/main/gbm.h
+++ b/src/gbm/main/gbm.h
@@ -266,6 +266,21 @@ enum gbm_bo_flags {
GBM_BO_USE_FRONT_RENDERING = (1 << 6),
};
+/**
+ * Flags to control the behaviour of a blit - these are passed to
+ * gbm_bo_blit().
+ */
+enum gbm_blit_flags {
+ /**
+ * Force blit execution in finite time
+ */
+ GBM_BLIT_FLAG_FLUSH = 0x0001,
+ /**
+ * Flush, and wait for the blit to complete
+ */
+ GBM_BLIT_FLAG_FINISH = 0x0002
+};
+
int
gbm_device_get_fd(struct gbm_device *gbm);
@@ -462,6 +477,12 @@ gbm_surface_destroy(struct gbm_surface *surface);
char *
gbm_format_get_name(uint32_t gbm_format, struct gbm_format_name_desc *desc);
+int
+gbm_bo_blit(struct gbm_bo *dst_bo, struct gbm_bo *src_bo,
+ int dst_x0, int dst_y0, int dst_width, int dst_height,
+ int src_x0, int src_y0, int src_width, int src_height,
+ enum gbm_blit_flags flags);
+
#ifdef __cplusplus
}
#endif
diff --git a/src/gbm/main/gbm_abi_check.c b/src/gbm/main/gbm_abi_check.c
index feca0998d9d..0153b5a8754 100644
--- a/src/gbm/main/gbm_abi_check.c
+++ b/src/gbm/main/gbm_abi_check.c
@@ -106,6 +106,21 @@ struct gbm_device_abi0 {
struct gbm_device_v0_abi0 v0;
};
+#define GBM_BACKEND_ABI_VERSION_abi1 1
+struct gbm_device_v1_abi1 {
+ int (*bo_blit)(struct gbm_bo *dst_bo, struct gbm_bo *src_bo,
+ int dst_x0, int dst_y0, int dst_width, int dst_height,
+ int src_x0, int src_y0, int src_width, int src_height,
+ enum gbm_blit_flags flags);
+};
+
+struct gbm_device_abi1 {
+ /* Hack to make a gbm_device detectable by its first element. */
+ struct gbm_device *(*dummy)(int);
+ struct gbm_device_v0_abi0 v0;
+ struct gbm_device_v1_abi1 v1;
+};
+
/**
* GBM buffer object interface corresponding to GBM_BACKEND_ABI_VERSION = 0
*
@@ -364,8 +379,11 @@ int main(int argc, char **argv)
CHECK_MEMBER_CURRENT(gbm_device_v0, _abi0, surface_has_free_buffers);
CHECK_MEMBER_CURRENT(gbm_device_v0, _abi0, surface_destroy);
+ CHECK_MEMBER_CURRENT(gbm_device_v1, _abi1, bo_blit);
+
/* Size of ABI-versioned substructures verified by above member checks */
- CHECK_SIZE_CURRENT (gbm_device, _abi0);
+ CHECK_SIZE (gbm_device, _abi0, _abi1);
+ CHECK_SIZE_CURRENT (gbm_device, _abi1);
/* Check current gbm_bo ABI against gbm_bo_abi0*/
diff --git a/src/gbm/main/gbm_backend_abi.h b/src/gbm/main/gbm_backend_abi.h
index 222ce3404cb..17f5e0ca808 100644
--- a/src/gbm/main/gbm_backend_abi.h
+++ b/src/gbm/main/gbm_backend_abi.h
@@ -157,6 +157,13 @@ struct gbm_device_v0 {
void (*surface_destroy)(struct gbm_surface *surface);
};
+struct gbm_device_v1 {
+ int (*bo_blit)(struct gbm_bo *dst_bo, struct gbm_bo *src_bo,
+ int dst_x0, int dst_y0, int dst_width, int dst_height,
+ int src_x0, int src_y0, int src_width, int src_height,
+ enum gbm_blit_flags flags);
+};
+
/**
* The device used for the memory allocation.
*
@@ -169,6 +176,7 @@ struct gbm_device {
/* Hack to make a gbm_device detectable by its first element. */
struct gbm_device *(*dummy)(int);
struct gbm_device_v0 v0;
+ struct gbm_device_v1 v1;
};
/**
--
2.17.1
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