diff options
Diffstat (limited to 'src/gallium/winsys/drm/i965/gem')
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/Makefile | 14 | ||||
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/SConscript | 15 | ||||
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_api.c | 243 | ||||
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c | 427 | ||||
-rw-r--r-- | src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h | 64 |
5 files changed, 763 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/i965/gem/Makefile b/src/gallium/winsys/drm/i965/gem/Makefile new file mode 100644 index 0000000000..6a7497b6be --- /dev/null +++ b/src/gallium/winsys/drm/i965/gem/Makefile @@ -0,0 +1,14 @@ +TOP = ../../../../../.. +include $(TOP)/configs/current + +LIBNAME = i965drm + +C_SOURCES = \ + i965_drm_buffer.c \ + i965_drm_api.c + +LIBRARY_INCLUDES = $(shell pkg-config libdrm --cflags-only-I) + +LIBRARY_DEFINES = $(shell pkg-config libdrm --cflags-only-other) + +include ../../../../Makefile.template diff --git a/src/gallium/winsys/drm/i965/gem/SConscript b/src/gallium/winsys/drm/i965/gem/SConscript new file mode 100644 index 0000000000..6256ec6eaf --- /dev/null +++ b/src/gallium/winsys/drm/i965/gem/SConscript @@ -0,0 +1,15 @@ +Import('*') + +env = drienv.Clone() + +i965drm_sources = [ + 'i965_drm_api.c', + 'i965_drm_buffer.c', +] + +i965drm = env.ConvenienceLibrary( + target ='i965drm', + source = i965drm_sources, +) + +Export('i965drm') diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c new file mode 100644 index 0000000000..fc9678d2b6 --- /dev/null +++ b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c @@ -0,0 +1,243 @@ + +#include <stdio.h> +#include "state_tracker/drm_api.h" + +#include "i965_drm_winsys.h" +#include "util/u_memory.h" + +#include "i965/brw_context.h" /* XXX: shouldn't be doing this */ +#include "i965/brw_screen.h" /* XXX: shouldn't be doing this */ + +#include "trace/tr_drm.h" + +/* + * Helper functions + */ + + +static void +i965_libdrm_get_device_id(unsigned int *device_id) +{ + char path[512]; + FILE *file; + void *shutup_gcc; + + /* + * FIXME: Fix this up to use a drm ioctl or whatever. + */ + + snprintf(path, sizeof(path), "/sys/class/drm/card0/device/device"); + file = fopen(path, "r"); + if (!file) { + return; + } + + shutup_gcc = fgets(path, sizeof(path), file); + sscanf(path, "%x", device_id); + fclose(file); +} + +static struct i965_libdrm_buffer * +i965_libdrm_buffer_from_handle(struct i965_libdrm_winsys *idws, + const char* name, unsigned handle) +{ + struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer); + uint32_t swizzle = 0; + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + if (!buf) + return NULL; + pipe_reference_init(&buf->base.reference, 1); + buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, name, handle); + buf->base.size = buf->bo->size; + buf->base.sws = &idws->base; + buf->flinked = TRUE; + buf->flink = handle; + + + if (!buf->bo) + goto err; + + drm_intel_bo_get_tiling(buf->bo, &buf->tiling, &swizzle); + if (buf->tiling != 0) + buf->map_gtt = TRUE; + + return buf; + +err: + FREE(buf); + return NULL; +} + + +/* + * Exported functions + */ + + +static struct pipe_texture * +i965_libdrm_texture_from_shared_handle(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *template, + const char* name, + unsigned pitch, + unsigned handle) +{ + /* XXX: this is silly -- there should be a way to get directly from + * the "drm_api" struct to ourselves, without peering into + * unrelated code: + */ + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(brw_screen(screen)->sws); + struct i965_libdrm_buffer *buffer; + + if (BRW_DUMP) + debug_printf("%s %s pitch %d handle 0x%x\n", __FUNCTION__, + name, pitch, handle); + + buffer = i965_libdrm_buffer_from_handle(idws, name, handle); + if (!buffer) + return NULL; + + return brw_texture_blanket_winsys_buffer(screen, template, pitch, + buffer->tiling, + &buffer->base); +} + + +static boolean +i965_libdrm_shared_handle_from_texture(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned *pitch, + unsigned *handle) +{ + struct i965_libdrm_buffer *buf = NULL; + struct brw_winsys_buffer *buffer = NULL; + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch)) + return FALSE; + + buf = i965_libdrm_buffer(buffer); + if (!buf->flinked) { + if (drm_intel_bo_flink(buf->bo, &buf->flink)) + return FALSE; + buf->flinked = TRUE; + } + + *handle = buf->flink; + + if (BRW_DUMP) + debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle); + + return TRUE; +} + +static boolean +i965_libdrm_local_handle_from_texture(struct drm_api *api, + struct pipe_screen *screen, + struct pipe_texture *texture, + unsigned *pitch, + unsigned *handle) +{ + struct brw_winsys_buffer *buffer = NULL; + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch)) + return FALSE; + + *handle = i965_libdrm_buffer(buffer)->bo->handle; + + if (BRW_DUMP) + debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle); + + return TRUE; +} + +static void +i965_libdrm_winsys_destroy(struct brw_winsys_screen *iws) +{ + struct i965_libdrm_winsys *idws = i965_libdrm_winsys(iws); + + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + + drm_intel_bufmgr_destroy(idws->gem); + + FREE(idws); +} + +static struct pipe_screen * +i965_libdrm_create_screen(struct drm_api *api, int drmFD, + struct drm_create_screen_arg *arg) +{ + struct i965_libdrm_winsys *idws; + unsigned int deviceID; + + debug_printf("%s\n", __FUNCTION__); + + if (arg != NULL) { + switch(arg->mode) { + case DRM_CREATE_NORMAL: + break; + default: + return NULL; + } + } + + idws = CALLOC_STRUCT(i965_libdrm_winsys); + if (!idws) + return NULL; + + i965_libdrm_get_device_id(&deviceID); + + i965_libdrm_winsys_init_buffer_functions(idws); + + idws->fd = drmFD; + idws->id = deviceID; + + idws->base.destroy = i965_libdrm_winsys_destroy; + + idws->gem = drm_intel_bufmgr_gem_init(idws->fd, BRW_BATCH_SIZE); + drm_intel_bufmgr_gem_enable_reuse(idws->gem); + + idws->send_cmd = !debug_get_bool_option("BRW_NO_HW", FALSE); + + return brw_create_screen(&idws->base, deviceID); +} + +static struct pipe_context * +i965_libdrm_create_context(struct drm_api *api, struct pipe_screen *screen) +{ + return brw_create_context(screen); +} + +static void +destroy(struct drm_api *api) +{ + if (BRW_DUMP) + debug_printf("%s\n", __FUNCTION__); + +} + +struct drm_api i965_libdrm_api = +{ + .create_context = i965_libdrm_create_context, + .create_screen = i965_libdrm_create_screen, + .texture_from_shared_handle = i965_libdrm_texture_from_shared_handle, + .shared_handle_from_texture = i965_libdrm_shared_handle_from_texture, + .local_handle_from_texture = i965_libdrm_local_handle_from_texture, + .destroy = destroy, +}; + +struct drm_api * +drm_api_create() +{ + return trace_drm_create(&i965_libdrm_api); +} 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 0000000000..a4a72b372d --- /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; +} diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h b/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h new file mode 100644 index 0000000000..c6a7d4a8c5 --- /dev/null +++ b/src/gallium/winsys/drm/i965/gem/i965_drm_winsys.h @@ -0,0 +1,64 @@ + +#ifndef INTEL_DRM_WINSYS_H +#define INTEL_DRM_WINSYS_H + +#include "i965/brw_winsys.h" + +#include "drm.h" +#include "intel_bufmgr.h" + + + +/* + * Winsys + */ + + +struct i965_libdrm_winsys +{ + struct brw_winsys_screen base; + drm_intel_bufmgr *gem; + + boolean send_cmd; + + int fd; /**< Drm file discriptor */ + + unsigned id; +}; + +static INLINE struct i965_libdrm_winsys * +i965_libdrm_winsys(struct brw_winsys_screen *iws) +{ + return (struct i965_libdrm_winsys *)iws; +} + +struct i965_libdrm_winsys *i965_libdrm_winsys_create(int fd, unsigned pci_id); + +void i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws); + + +/* Buffer. + */ +struct i965_libdrm_buffer { + struct brw_winsys_buffer base; + + drm_intel_bo *bo; + + void *ptr; + unsigned map_count; + unsigned data_type; /* valid while mapped */ + unsigned tiling; + + boolean map_gtt; + boolean flinked; + unsigned flink; +}; + +static INLINE struct i965_libdrm_buffer * +i965_libdrm_buffer(struct brw_winsys_buffer *buffer) +{ + return (struct i965_libdrm_buffer *)buffer; +} + + +#endif |