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-rw-r--r--src/gallium/drivers/i915/i915_winsys.h14
-rw-r--r--src/gallium/winsys/i915/drm/i915_drm_buffer.c68
-rw-r--r--src/gallium/winsys/i915/sw/i915_sw_buffer.c31
-rw-r--r--src/gallium/winsys/i915/sw/i915_sw_winsys.h3
4 files changed, 102 insertions, 14 deletions
diff --git a/src/gallium/drivers/i915/i915_winsys.h b/src/gallium/drivers/i915/i915_winsys.h
index 3d5627045bc..59b7220e592 100644
--- a/src/gallium/drivers/i915/i915_winsys.h
+++ b/src/gallium/drivers/i915/i915_winsys.h
@@ -134,6 +134,20 @@ struct i915_winsys {
enum i915_winsys_buffer_type type);
/**
+ * Create a tiled buffer.
+ *
+ * *stride, height are in bytes. The winsys tries to allocate the buffer with
+ * the tiling mode provide in *tiling. If tiling is no possible, *tiling will
+ * be set to I915_TILE_NONE. The calculated stride (incorporateing hw/kernel
+ * requirements) is always returned in *stride.
+ */
+ struct i915_winsys_buffer *
+ (*buffer_create_tiled)(struct i915_winsys *iws,
+ unsigned *stride, unsigned height,
+ enum i915_winsys_buffer_tile *tiling,
+ enum i915_winsys_buffer_type type);
+
+ /**
* Creates a buffer from a handle.
* Used to implement pipe_screen::resource_from_handle.
* Also provides the stride information needed for the
diff --git a/src/gallium/winsys/i915/drm/i915_drm_buffer.c b/src/gallium/winsys/i915/drm/i915_drm_buffer.c
index ab1e12529e4..537bd737c53 100644
--- a/src/gallium/winsys/i915/drm/i915_drm_buffer.c
+++ b/src/gallium/winsys/i915/drm/i915_drm_buffer.c
@@ -5,6 +5,24 @@
#include "i915_drm.h"
+static char *i915_drm_type_to_name(enum i915_winsys_buffer_type type)
+{
+ char *name;
+
+ if (type == I915_NEW_TEXTURE) {
+ name = "gallium3d_texture";
+ } else if (type == I915_NEW_VERTEX) {
+ name = "gallium3d_vertex";
+ } else if (type == I915_NEW_SCANOUT) {
+ name = "gallium3d_scanout";
+ } else {
+ assert(0);
+ name = "gallium3d_unknown";
+ }
+
+ return name;
+}
+
static struct i915_winsys_buffer *
i915_drm_buffer_create(struct i915_winsys *iws,
unsigned size,
@@ -12,7 +30,6 @@ i915_drm_buffer_create(struct i915_winsys *iws,
{
struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
struct i915_drm_winsys *idws = i915_drm_winsys(iws);
- char *name;
if (!buf)
return NULL;
@@ -21,22 +38,48 @@ i915_drm_buffer_create(struct i915_winsys *iws,
buf->flinked = FALSE;
buf->flink = 0;
- if (type == I915_NEW_TEXTURE) {
- name = "gallium3d_texture";
- } else if (type == I915_NEW_VERTEX) {
- name = "gallium3d_vertex";
- } else if (type == I915_NEW_SCANOUT) {
- name = "gallium3d_scanout";
- } else {
- assert(0);
- name = "gallium3d_unknown";
- }
+ buf->bo = drm_intel_bo_alloc(idws->gem_manager,
+ i915_drm_type_to_name(type), size, 0);
+
+ if (!buf->bo)
+ goto err;
+
+ return (struct i915_winsys_buffer *)buf;
+
+err:
+ assert(0);
+ FREE(buf);
+ return NULL;
+}
+
+static struct i915_winsys_buffer *
+i915_drm_buffer_create_tiled(struct i915_winsys *iws,
+ unsigned *stride, unsigned height,
+ enum i915_winsys_buffer_tile *tiling,
+ enum i915_winsys_buffer_type type)
+{
+ struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
+ struct i915_drm_winsys *idws = i915_drm_winsys(iws);
+ unsigned long pitch = 0;
+ uint32_t tiling_mode = *tiling;
+
+ if (!buf)
+ return NULL;
+
+ buf->magic = 0xDEAD1337;
+ buf->flinked = FALSE;
+ buf->flink = 0;
- buf->bo = drm_intel_bo_alloc(idws->gem_manager, name, size, 0);
+ buf->bo = drm_intel_bo_alloc_tiled(idws->gem_manager,
+ i915_drm_type_to_name(type),
+ *stride, height, 1,
+ &tiling_mode, &pitch, 0);
if (!buf->bo)
goto err;
+ *stride = pitch;
+ *tiling = tiling_mode;
return (struct i915_winsys_buffer *)buf;
err:
@@ -190,6 +233,7 @@ void
i915_drm_winsys_init_buffer_functions(struct i915_drm_winsys *idws)
{
idws->base.buffer_create = i915_drm_buffer_create;
+ idws->base.buffer_create_tiled = i915_drm_buffer_create_tiled;
idws->base.buffer_from_handle = i915_drm_buffer_from_handle;
idws->base.buffer_get_handle = i915_drm_buffer_get_handle;
idws->base.buffer_set_fence_reg = i915_drm_buffer_set_fence_reg;
diff --git a/src/gallium/winsys/i915/sw/i915_sw_buffer.c b/src/gallium/winsys/i915/sw/i915_sw_buffer.c
index 321ef90d265..44466d1c661 100644
--- a/src/gallium/winsys/i915/sw/i915_sw_buffer.c
+++ b/src/gallium/winsys/i915/sw/i915_sw_buffer.c
@@ -27,6 +27,34 @@ err:
return NULL;
}
+static struct i915_winsys_buffer *
+i915_sw_buffer_create_tiled(struct i915_winsys *iws,
+ unsigned *stride, unsigned height,
+ enum i915_winsys_buffer_tile *tiling,
+ enum i915_winsys_buffer_type type)
+{
+ struct i915_sw_buffer *buf = CALLOC_STRUCT(i915_sw_buffer);
+
+ if (!buf)
+ return NULL;
+
+ buf->magic = 0xDEAD1337;
+ buf->type = type;
+ buf->ptr = CALLOC(*stride * height, 1);
+ buf->tiling = *tiling;
+ buf->stride = *stride;
+
+ if (!buf->ptr)
+ goto err;
+
+ return (struct i915_winsys_buffer *)buf;
+
+err:
+ assert(0);
+ FREE(buf);
+ return NULL;
+}
+
static int
i915_sw_buffer_set_fence_reg(struct i915_winsys *iws,
struct i915_winsys_buffer *buffer,
@@ -39,7 +67,7 @@ i915_sw_buffer_set_fence_reg(struct i915_winsys *iws,
assert(buf->map_count == 0);
}
- buf->tile = tile;
+ buf->tiling = tile;
return 0;
}
@@ -95,6 +123,7 @@ void
i915_sw_winsys_init_buffer_functions(struct i915_sw_winsys *isws)
{
isws->base.buffer_create = i915_sw_buffer_create;
+ isws->base.buffer_create_tiled = i915_sw_buffer_create_tiled;
isws->base.buffer_set_fence_reg = i915_sw_buffer_set_fence_reg;
isws->base.buffer_map = i915_sw_buffer_map;
isws->base.buffer_unmap = i915_sw_buffer_unmap;
diff --git a/src/gallium/winsys/i915/sw/i915_sw_winsys.h b/src/gallium/winsys/i915/sw/i915_sw_winsys.h
index cd2eebd1799..3af2548419e 100644
--- a/src/gallium/winsys/i915/sw/i915_sw_winsys.h
+++ b/src/gallium/winsys/i915/sw/i915_sw_winsys.h
@@ -43,7 +43,8 @@ struct i915_sw_buffer {
void *ptr;
unsigned map_count;
enum i915_winsys_buffer_type type;
- enum i915_winsys_buffer_tile tile;
+ enum i915_winsys_buffer_tile tiling;
+ unsigned stride;
};
static INLINE struct i915_sw_buffer *
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 17:32:24 +0000