diff options
Diffstat (limited to 'src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c')
| -rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c | 427 |
1 files changed, 427 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c new file mode 100644 index 00000000000..a4a72b372dd --- /dev/null +++ b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c @@ -0,0 +1,427 @@ + +#include "i965_drm_winsys.h" +#include "util/u_memory.h" + +#include "i915_drm.h" +#include "intel_bufmgr.h" + + + +const char *names[BRW_BUFFER_TYPE_MAX] = { + "TEXTURE", + "SCANOUT", + "VERTEX", + "CURBE", + "QUERY", + "SHADER_CONSTANTS", + "WM_SCRATCH", + "BATCH", + "GENERAL_STATE", + "SURFACE_STATE", + "PIXEL", + "GENERIC", +}; + +const char *usages[BRW_USAGE_MAX] = { + "STATE", + "QUERY_RESULT", + "RENDER_TARGET", + "DEPTH_BUFFER", + "BLIT_SOURCE", + "BLIT_DEST", + "SAMPLER", + "VERTEX", + "SCRATCH" +}; + + +const char *data_types[BRW_DATA_MAX] = +{ + "GS: CC_VP", + "GS: CC_UNIT", + "GS: WM_PROG", + "GS: SAMPLER_DEFAULT_COLOR", + "GS: SAMPLER", + "GS: WM_UNIT", + "GS: SF_PROG", + "GS: SF_VP", + "GS: SF_UNIT", + "GS: VS_UNIT", + "GS: VS_PROG", + "GS: GS_UNIT", + "GS: GS_PROG", + "GS: CLIP_VP", + "GS: CLIP_UNIT", + "GS: CLIP_PROG", + "SS: SURFACE", + "SS: SURF_BIND", + "CONSTANT DATA", + "BATCH DATA", + "(untyped)" +}; + +static enum pipe_error +i965_libdrm_bo_alloc(struct brw_winsys_screen *sws, + enum brw_buffer_type type, + unsigned size, + unsigned alignment, + struct brw_winsys_buffer **bo_out) +{ + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(sws); + struct i965_libdrm_buffer *buf; + + if (BRW_DUMP) + debug_printf("%s type %s sz %d align %d\n", + __FUNCTION__, names[type], size, alignment ); + + buf = CALLOC_STRUCT(i965_libdrm_buffer); + if (!buf) + return PIPE_ERROR_OUT_OF_MEMORY; + + switch (type) { + case BRW_BUFFER_TYPE_TEXTURE: +/* case BRW_BUFFER_TYPE_SCANOUT:*/ + case BRW_BUFFER_TYPE_VERTEX: + case BRW_BUFFER_TYPE_CURBE: + case BRW_BUFFER_TYPE_QUERY: + case BRW_BUFFER_TYPE_SHADER_CONSTANTS: + case BRW_BUFFER_TYPE_SHADER_SCRATCH: + case BRW_BUFFER_TYPE_BATCH: + case BRW_BUFFER_TYPE_GENERAL_STATE: + case BRW_BUFFER_TYPE_SURFACE_STATE: + case BRW_BUFFER_TYPE_PIXEL: + case BRW_BUFFER_TYPE_GENERIC: + break; + case BRW_BUFFER_TYPE_SCANOUT: + buf->map_gtt = TRUE; + break; + default: + assert(0); + break; + } + + buf->bo = drm_intel_bo_alloc(idws->gem, + names[type], + size, + alignment); + + if (!buf->bo) + goto err; + + pipe_reference_init(&buf->base.reference, 1); + buf->base.size = size; + buf->base.sws = sws; + + *bo_out = &buf->base; + return PIPE_OK; + +err: + assert(0); + FREE(buf); + return PIPE_ERROR_OUT_OF_MEMORY; +} + +static void +i965_libdrm_bo_destroy(struct brw_winsys_buffer *buffer) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + drm_intel_bo_unreference(buf->bo); + FREE(buffer); +} + +static enum pipe_error +i965_libdrm_bo_emit_reloc(struct brw_winsys_buffer *buffer, + enum brw_buffer_usage usage, + unsigned delta, + unsigned offset, + struct brw_winsys_buffer *buffer2) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + struct i965_libdrm_buffer *buf2 = i965_libdrm_buffer(buffer2); + int read, write; + int ret; + + if (BRW_DUMP) + debug_printf("%s buf %p offset %x delta %x buf2 %p/%s/%s\n", + __FUNCTION__, (void *)buffer, + offset, delta, + (void *)buffer2, names[buf2->data_type], usages[usage]); + + switch (usage) { + case BRW_USAGE_STATE: + read = I915_GEM_DOMAIN_INSTRUCTION; + write = 0; + break; + case BRW_USAGE_QUERY_RESULT: + read = I915_GEM_DOMAIN_INSTRUCTION; + write = I915_GEM_DOMAIN_INSTRUCTION; + break; + case BRW_USAGE_RENDER_TARGET: + read = I915_GEM_DOMAIN_RENDER; + write = 0; + break; + case BRW_USAGE_DEPTH_BUFFER: + read = I915_GEM_DOMAIN_RENDER; + write = I915_GEM_DOMAIN_RENDER; + break; + case BRW_USAGE_BLIT_SOURCE: + read = 0; + write = I915_GEM_DOMAIN_RENDER; + break; + case BRW_USAGE_BLIT_DEST: + read = I915_GEM_DOMAIN_RENDER; + write = I915_GEM_DOMAIN_RENDER; + break; + case BRW_USAGE_SAMPLER: + read = I915_GEM_DOMAIN_SAMPLER; + write = 0; + break; + case BRW_USAGE_VERTEX: + read = I915_GEM_DOMAIN_VERTEX; + write = 0; + break; + case BRW_USAGE_SCRATCH: + read = 0; + write = 0; + break; + default: + assert(0); + return -1; + } + + /* Needed?? + ((uint32_t *)buf->bo->virtual)[offset/4] = (delta + + buf2->bo->offset); + */ + + ret = dri_bo_emit_reloc( buf->bo, read, write, delta, offset, buf2->bo ); + if (ret) + return -1; + + return 0; +} + +static enum pipe_error +i965_libdrm_bo_exec(struct brw_winsys_buffer *buffer, + unsigned bytes_used) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws); + int ret; + + if (BRW_DUMP) + debug_printf("execute buffer %p, bytes %d\n", (void *)buffer, bytes_used); + + if (idws->send_cmd) { + ret = dri_bo_exec(buf->bo, bytes_used, NULL, 0, 0); + if (ret) + return PIPE_ERROR; + } + + return PIPE_OK; +} + +static enum pipe_error +i965_libdrm_bo_subdata(struct brw_winsys_buffer *buffer, + enum brw_buffer_data_type data_type, + size_t offset, + size_t size, + const void *data, + const struct brw_winsys_reloc *reloc, + unsigned nr_reloc) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws); + int ret, i; + + (void)data_type; + + if (BRW_DUMP) + debug_printf("%s buf %p off %d sz %d %s relocs: %d\n", + __FUNCTION__, + (void *)buffer, offset, size, + data_types[data_type], + nr_reloc); + + if (BRW_DUMP) + brw_dump_data( idws->id, + data_type, + buf->bo->offset + offset, + data, size ); + + /* XXX: use bo_map_gtt/memcpy/unmap_gtt under some circumstances??? + */ + ret = drm_intel_bo_subdata(buf->bo, offset, size, (void*)data); + if (ret) + return PIPE_ERROR; + + for (i = 0; i < nr_reloc; i++) { + i965_libdrm_bo_emit_reloc(buffer, reloc[i].usage, reloc[i].delta, + reloc[i].offset, reloc[i].bo); + } + + return PIPE_OK; +} + +static boolean +i965_libdrm_bo_is_busy(struct brw_winsys_buffer *buffer) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + boolean ret; + + if (BRW_DUMP) + debug_printf("%s %p\n", __FUNCTION__, (void *)buffer); + + ret = drm_intel_bo_busy(buf->bo); + + if (BRW_DUMP) + debug_printf(" --> %d\n", ret); + + return ret; +} + +static boolean +i965_libdrm_bo_references(struct brw_winsys_buffer *a, + struct brw_winsys_buffer *b) +{ + struct i965_libdrm_buffer *bufa = i965_libdrm_buffer(a); + struct i965_libdrm_buffer *bufb = i965_libdrm_buffer(b); + boolean ret; + + if (BRW_DUMP) + debug_printf("%s %p %p\n", __FUNCTION__, (void *)a, (void *)b); + + ret = drm_intel_bo_references(bufa->bo, bufb->bo); + + if (BRW_DUMP) + debug_printf(" --> %d\n", ret); + + return ret; +} + +/* XXX: couldn't this be handled by returning true/false on + * bo_emit_reloc? + */ +static enum pipe_error +i965_libdrm_check_aperture_space(struct brw_winsys_screen *iws, + struct brw_winsys_buffer **buffers, + unsigned count) +{ + static drm_intel_bo *bos[128]; + int i; + int ret; + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + if (count > Elements(bos)) { + assert(0); + return FALSE; + } + + for (i = 0; i < count; i++) + bos[i] = i965_libdrm_buffer(buffers[i])->bo; + + /* XXX: converting from ??? to pipe_error: + */ + ret = dri_bufmgr_check_aperture_space(bos, count); + + if (BRW_DUMP) + debug_printf(" --> %d (ok == %d)\n", ret, PIPE_OK); + + return ret; +} + +static void * +i965_libdrm_bo_map(struct brw_winsys_buffer *buffer, + enum brw_buffer_data_type data_type, + unsigned offset, + unsigned length, + boolean write, + boolean discard, + boolean flush_explicit) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + int ret; + + + if (BRW_DUMP) + debug_printf("%s %p %s %s\n", __FUNCTION__, (void *)buffer, + write ? "read/write" : "read", + write ? data_types[data_type] : ""); + + if (!buf->map_count) { + if (buf->map_gtt) { + ret = drm_intel_gem_bo_map_gtt(buf->bo); + if (ret) + return NULL; + } + else { + ret = drm_intel_bo_map(buf->bo, write); + if (ret) + return NULL; + } + } + + buf->data_type = data_type; + buf->map_count++; + return buf->bo->virtual; +} + +static void +i965_libdrm_bo_flush_range(struct brw_winsys_buffer *buffer, + unsigned offset, + unsigned length) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(buffer->sws); + + if (BRW_DUMP) + debug_printf("%s %s offset %d len %d\n", __FUNCTION__, + data_types[buf->data_type], + offset, length); + + if (BRW_DUMP) + brw_dump_data( idws->id, + buf->data_type, + buf->bo->offset + offset, + buf->bo->virtual + offset, + length ); +} + +static void +i965_libdrm_bo_unmap(struct brw_winsys_buffer *buffer) +{ + struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer); + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + if (--buf->map_count > 0) + return; + + if (buf->map_gtt) + drm_intel_gem_bo_unmap_gtt(buf->bo); + else + drm_intel_bo_unmap(buf->bo); +} + +void +i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws) +{ + idws->base.bo_alloc = i965_libdrm_bo_alloc; + idws->base.bo_destroy = i965_libdrm_bo_destroy; + idws->base.bo_emit_reloc = i965_libdrm_bo_emit_reloc; + idws->base.bo_exec = i965_libdrm_bo_exec; + idws->base.bo_subdata = i965_libdrm_bo_subdata; + idws->base.bo_is_busy = i965_libdrm_bo_is_busy; + idws->base.bo_references = i965_libdrm_bo_references; + idws->base.check_aperture_space = i965_libdrm_check_aperture_space; + idws->base.bo_map = i965_libdrm_bo_map; + idws->base.bo_flush_range = i965_libdrm_bo_flush_range; + idws->base.bo_unmap = i965_libdrm_bo_unmap; +} |