diff options
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_texture.c | 25 | ||||
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_winsys.h | 1 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_be_device.c | 42 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_be_device.h | 4 |
4 files changed, 58 insertions, 14 deletions
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c index ca8e87af8d..ac38bb50ac 100644 --- a/src/gallium/drivers/i915simple/i915_texture.c +++ b/src/gallium/drivers/i915simple/i915_texture.c @@ -160,10 +160,10 @@ i915_miptree_set_image_offset(struct i915_texture *tex, /** - * Special case to deal with display targets. + * Special case to deal with scanout textures. */ static boolean -i915_displaytarget_layout(struct i915_texture *tex) +i915_scanout_layout(struct i915_texture *tex) { struct pipe_texture *pt = &tex->base; @@ -177,9 +177,13 @@ i915_displaytarget_layout(struct i915_texture *tex) i915_miptree_set_image_offset( tex, 0, 0, 0, 0 ); if (tex->base.width[0] >= 128) { +#if 0 tex->stride = power_of_two(tex->base.nblocksx[0] * pt->block.size); +#else + tex->stride = 2048 * 4; /* TODO fix when backend is smarter */ +#endif tex->total_nblocksy = round_up(tex->base.nblocksy[0], 8); -#if 0 /* used for tiled display targets */ +#if 0 /* used for tiled textures */ tex->tiled = 1; #endif } else { @@ -209,9 +213,9 @@ i945_miptree_layout_2d( struct i915_texture *tex ) unsigned nblocksx = pt->nblocksx[0]; unsigned nblocksy = pt->nblocksy[0]; - /* used for tiled display targets */ - if (0) - if (i915_displaytarget_layout(tex)) + /* used for scanouts that need special layouts */ + if (tex->base.tex_usage & PIPE_TEXTURE_USAGE_PRIMARY) + if (i915_scanout_layout(tex)) return; tex->stride = round_up(pt->nblocksx[0] * pt->block.size, 4); @@ -584,6 +588,7 @@ i915_texture_create(struct pipe_screen *screen, struct i915_screen *i915screen = i915_screen(screen); struct i915_texture *tex = CALLOC_STRUCT(i915_texture); size_t tex_size; + unsigned buf_usage = 0; if (!tex) return NULL; @@ -605,9 +610,11 @@ i915_texture_create(struct pipe_screen *screen, tex_size = tex->stride * tex->total_nblocksy; - tex->buffer = screen->buffer_create(screen, 64, - PIPE_BUFFER_USAGE_PIXEL, - tex_size); + buf_usage = PIPE_BUFFER_USAGE_PIXEL; + if (templat->tex_usage & PIPE_TEXTURE_USAGE_PRIMARY) + buf_usage |= I915_BUFFER_USAGE_SCANOUT; + + tex->buffer = screen->buffer_create(screen, 64, buf_usage, tex_size); if (!tex->buffer) goto fail; diff --git a/src/gallium/drivers/i915simple/i915_winsys.h b/src/gallium/drivers/i915simple/i915_winsys.h index ff5b34f193..711db91c36 100644 --- a/src/gallium/drivers/i915simple/i915_winsys.h +++ b/src/gallium/drivers/i915simple/i915_winsys.h @@ -109,6 +109,7 @@ struct i915_winsys { #define I915_BUFFER_ACCESS_READ 0x2 #define I915_BUFFER_USAGE_LIT_VERTEX (PIPE_BUFFER_USAGE_CUSTOM << 0) +#define I915_BUFFER_USAGE_SCANOUT (PIPE_BUFFER_USAGE_CUSTOM << 1) /** diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.c b/src/gallium/winsys/drm/intel/gem/intel_be_device.c index e3630f5d12..c7e88271ec 100644 --- a/src/gallium/winsys/drm/intel/gem/intel_be_device.c +++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.c @@ -16,6 +16,8 @@ #include "intel_be_api.h" #include <stdio.h> +#define I915_TILING_X 1 + /* * Buffer */ @@ -25,9 +27,10 @@ intel_be_buffer_map(struct pipe_winsys *winsys, struct pipe_buffer *buf, unsigned flags) { + struct intel_be_buffer *buffer = intel_be_buffer(buf); drm_intel_bo *bo = intel_bo(buf); int write = 0; - int ret; + int ret = 0; if (flags & PIPE_BUFFER_USAGE_DONTBLOCK) { /* Remove this when drm_intel_bo_map supports DONTBLOCK @@ -38,19 +41,37 @@ intel_be_buffer_map(struct pipe_winsys *winsys, if (flags & PIPE_BUFFER_USAGE_CPU_WRITE) write = 1; - ret = drm_intel_bo_map(bo, write); + if (buffer->map_count) + goto out; + + if (buffer->map_gtt) + ret = drm_intel_gem_bo_map_gtt(bo); + else + ret = drm_intel_bo_map(bo, write); + + buffer->ptr = bo->virtual; +out: if (ret) return NULL; - return bo->virtual; + buffer->map_count++; + return buffer->ptr; } static void intel_be_buffer_unmap(struct pipe_winsys *winsys, struct pipe_buffer *buf) { - drm_intel_bo_unmap(intel_bo(buf)); + struct intel_be_buffer *buffer = intel_be_buffer(buf); + + if (--buffer->map_count) + return; + + if (buffer->map_gtt) + drm_intel_gem_bo_unmap_gtt(intel_bo(buf)); + else + drm_intel_bo_unmap(intel_bo(buf)); } static void @@ -80,8 +101,13 @@ intel_be_buffer_create(struct pipe_winsys *winsys, buffer->base.size = size; buffer->flinked = FALSE; buffer->flink = 0; + buffer->map_gtt = FALSE; - if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) { + if (usage & I915_BUFFER_USAGE_SCANOUT) { + /* Scanout buffer */ + name = "gallium3d_scanout"; + pool = dev->pools.gem; + } else if (usage & (PIPE_BUFFER_USAGE_VERTEX | PIPE_BUFFER_USAGE_CONSTANT)) { /* Local buffer */ name = "gallium3d_local"; pool = dev->pools.gem; @@ -96,6 +122,12 @@ intel_be_buffer_create(struct pipe_winsys *winsys, } buffer->bo = drm_intel_bo_alloc(pool, name, size, alignment); + if (usage & I915_BUFFER_USAGE_SCANOUT) { + unsigned tiling = I915_TILING_X; + unsigned stride = 2048 * 4; /* TODO do something smarter here */ + drm_intel_bo_set_tiling(buffer->bo, &tiling, stride); + buffer->map_gtt = TRUE; + } if (!buffer->bo) goto err; diff --git a/src/gallium/winsys/drm/intel/gem/intel_be_device.h b/src/gallium/winsys/drm/intel/gem/intel_be_device.h index 56d95bd7fe..3f3f2a76a3 100644 --- a/src/gallium/winsys/drm/intel/gem/intel_be_device.h +++ b/src/gallium/winsys/drm/intel/gem/intel_be_device.h @@ -47,6 +47,10 @@ intel_be_init_device(struct intel_be_device *device, int fd, unsigned id); struct intel_be_buffer { struct pipe_buffer base; + void *ptr; + unsigned map_count; + boolean map_gtt; + drm_intel_bo *bo; boolean flinked; unsigned flink; |