diff options
Diffstat (limited to 'libs/cairo-1.16.0/src/drm/cairo-drm-i965-private.h')
| -rw-r--r-- | libs/cairo-1.16.0/src/drm/cairo-drm-i965-private.h | 737 |
1 files changed, 737 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/drm/cairo-drm-i965-private.h b/libs/cairo-1.16.0/src/drm/cairo-drm-i965-private.h new file mode 100644 index 0000000..79568a6 --- /dev/null +++ b/libs/cairo-1.16.0/src/drm/cairo-drm-i965-private.h @@ -0,0 +1,737 @@ +#ifndef CAIRO_DRM_I965_PRIVATE_H +#define CAIRO_DRM_I965_PRIVATE_H + +#include "cairo-drm-intel-private.h" + +#include "cairo-hash-private.h" +#include "cairo-freelist-private.h" + +#include "cairo-drm-intel-brw-defines.h" + +#include <setjmp.h> + +#define BRW_MI_GLOBAL_SNAPSHOT_RESET (1 << 3) + +/* + * New regs for broadwater -- we need to split this file up sensibly somehow. + */ +#define BRW_3D(Pipeline,Opcode,Subopcode) ((3 << 29) | \ + ((Pipeline) << 27) | \ + ((Opcode) << 24) | \ + ((Subopcode) << 16)) + +#define BRW_URB_FENCE BRW_3D(0, 0, 0) +#define BRW_CS_URB_STATE BRW_3D(0, 0, 1) +#define BRW_CONSTANT_BUFFER BRW_3D(0, 0, 2) +#define BRW_STATE_PREFETCH BRW_3D(0, 0, 3) + +#define BRW_STATE_BASE_ADDRESS BRW_3D(0, 1, 1) +#define BRW_STATE_SIP BRW_3D(0, 1, 2) +#define BRW_PIPELINE_SELECT BRW_3D(0, 1, 4) + +#define NEW_PIPELINE_SELECT BRW_3D(1, 1, 4) + +#define BRW_MEDIA_STATE_POINTERS BRW_3D(2, 0, 0) +#define BRW_MEDIA_OBJECT BRW_3D(2, 1, 0) + +#define BRW_3DSTATE_PIPELINED_POINTERS BRW_3D(3, 0, 0) +#define BRW_3DSTATE_BINDING_TABLE_POINTERS BRW_3D(3, 0, 1) +#define BRW_3DSTATE_VERTEX_BUFFERS BRW_3D(3, 0, 8) +#define BRW_3DSTATE_VERTEX_ELEMENTS BRW_3D(3, 0, 9) +#define BRW_3DSTATE_INDEX_BUFFER BRW_3D(3, 0, 0xa) +#define BRW_3DSTATE_VF_STATISTICS BRW_3D(3, 0, 0xb) + +#define BRW_3DSTATE_DRAWING_RECTANGLE BRW_3D(3, 1, 0) +#define BRW_3DSTATE_CONSTANT_COLOR BRW_3D(3, 1, 1) +#define BRW_3DSTATE_SAMPLER_PALETTE_LOAD BRW_3D(3, 1, 2) +#define BRW_3DSTATE_CHROMA_KEY BRW_3D(3, 1, 4) +#define BRW_3DSTATE_DEPTH_BUFFER BRW_3D(3, 1, 5) +#define BRW_3DSTATE_POLY_STIPPLE_OFFSET BRW_3D(3, 1, 6) +#define BRW_3DSTATE_POLY_STIPPLE_PATTERN BRW_3D(3, 1, 7) +#define BRW_3DSTATE_LINE_STIPPLE BRW_3D(3, 1, 8) +#define BRW_3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP BRW_3D(3, 1, 9) +/* These two are BLC and CTG only, not BW or CL */ +#define BRW_3DSTATE_AA_LINE_PARAMS BRW_3D(3, 1, 0xa) +#define BRW_3DSTATE_GS_SVB_INDEX BRW_3D(3, 1, 0xb) + +#define BRW_PIPE_CONTROL BRW_3D(3, 2, 0) + +#define BRW_3DPRIMITIVE BRW_3D(3, 3, 0) + +#define PIPELINE_SELECT_3D 0 +#define PIPELINE_SELECT_MEDIA 1 + +#define UF0_CS_REALLOC (1 << 13) +#define UF0_VFE_REALLOC (1 << 12) +#define UF0_SF_REALLOC (1 << 11) +#define UF0_CLIP_REALLOC (1 << 10) +#define UF0_GS_REALLOC (1 << 9) +#define UF0_VS_REALLOC (1 << 8) +#define UF1_CLIP_FENCE_SHIFT 20 +#define UF1_GS_FENCE_SHIFT 10 +#define UF1_VS_FENCE_SHIFT 0 +#define UF2_CS_FENCE_SHIFT 20 +#define UF2_VFE_FENCE_SHIFT 10 +#define UF2_SF_FENCE_SHIFT 0 + +/* for BRW_STATE_BASE_ADDRESS */ +#define BASE_ADDRESS_MODIFY (1 << 0) + +/* for BRW_3DSTATE_PIPELINED_POINTERS */ +#define BRW_GS_DISABLE 0 +#define BRW_GS_ENABLE 1 +#define BRW_CLIP_DISABLE 0 +#define BRW_CLIP_ENABLE 1 + +/* for BRW_PIPE_CONTROL */ +#define BRW_PIPE_CONTROL_NOWRITE (0 << 14) +#define BRW_PIPE_CONTROL_WRITE_QWORD (1 << 14) +#define BRW_PIPE_CONTROL_WRITE_DEPTH (2 << 14) +#define BRW_PIPE_CONTROL_WRITE_TIME (3 << 14) +#define BRW_PIPE_CONTROL_DEPTH_STALL (1 << 13) +#define BRW_PIPE_CONTROL_WC_FLUSH (1 << 12) +#define BRW_PIPE_CONTROL_IS_FLUSH (1 << 11) +#define BRW_PIPE_CONTROL_NOTIFY_ENABLE (1 << 8) +#define BRW_PIPE_CONTROL_GLOBAL_GTT (1 << 2) +#define BRW_PIPE_CONTROL_LOCAL_PGTT (0 << 2) + +/* VERTEX_BUFFER_STATE Structure */ +#define VB0_BUFFER_INDEX_SHIFT 27 +#define VB0_VERTEXDATA (0 << 26) +#define VB0_INSTANCEDATA (1 << 26) +#define VB0_BUFFER_PITCH_SHIFT 0 + +/* VERTEX_ELEMENT_STATE Structure */ +#define VE0_VERTEX_BUFFER_INDEX_SHIFT 27 +#define VE0_VALID (1 << 26) +#define VE0_FORMAT_SHIFT 16 +#define VE0_OFFSET_SHIFT 0 +#define VE1_VFCOMPONENT_0_SHIFT 28 +#define VE1_VFCOMPONENT_1_SHIFT 24 +#define VE1_VFCOMPONENT_2_SHIFT 20 +#define VE1_VFCOMPONENT_3_SHIFT 16 +#define VE1_DESTINATION_ELEMENT_OFFSET_SHIFT 0 + +/* 3DPRIMITIVE bits */ +#define BRW_3DPRIMITIVE_VERTEX_SEQUENTIAL (0 << 15) +#define BRW_3DPRIMITIVE_VERTEX_RANDOM (1 << 15) +/* Primitive types are in brw_defines.h */ +#define BRW_3DPRIMITIVE_TOPOLOGY_SHIFT 10 + +#define BRW_SVG_CTL 0x7400 + +#define BRW_SVG_CTL_GS_BA (0 << 8) +#define BRW_SVG_CTL_SS_BA (1 << 8) +#define BRW_SVG_CTL_IO_BA (2 << 8) +#define BRW_SVG_CTL_GS_AUB (3 << 8) +#define BRW_SVG_CTL_IO_AUB (4 << 8) +#define BRW_SVG_CTL_SIP (5 << 8) + +#define BRW_SVG_RDATA 0x7404 +#define BRW_SVG_WORK_CTL 0x7408 + +#define BRW_VF_CTL 0x7500 + +#define BRW_VF_CTL_SNAPSHOT_COMPLETE (1 << 31) +#define BRW_VF_CTL_SNAPSHOT_MUX_SELECT_THREADID (0 << 8) +#define BRW_VF_CTL_SNAPSHOT_MUX_SELECT_VF_DEBUG (1 << 8) +#define BRW_VF_CTL_SNAPSHOT_TYPE_VERTEX_SEQUENCE (0 << 4) +#define BRW_VF_CTL_SNAPSHOT_TYPE_VERTEX_INDEX (1 << 4) +#define BRW_VF_CTL_SKIP_INITIAL_PRIMITIVES (1 << 3) +#define BRW_VF_CTL_MAX_PRIMITIVES_LIMIT_ENABLE (1 << 2) +#define BRW_VF_CTL_VERTEX_RANGE_LIMIT_ENABLE (1 << 1) +#define BRW_VF_CTL_SNAPSHOT_ENABLE (1 << 0) + +#define BRW_VF_STRG_VAL 0x7504 +#define BRW_VF_STR_VL_OVR 0x7508 +#define BRW_VF_VC_OVR 0x750c +#define BRW_VF_STR_PSKIP 0x7510 +#define BRW_VF_MAX_PRIM 0x7514 +#define BRW_VF_RDATA 0x7518 + +#define BRW_VS_CTL 0x7600 +#define BRW_VS_CTL_SNAPSHOT_COMPLETE (1 << 31) +#define BRW_VS_CTL_SNAPSHOT_MUX_VERTEX_0 (0 << 8) +#define BRW_VS_CTL_SNAPSHOT_MUX_VERTEX_1 (1 << 8) +#define BRW_VS_CTL_SNAPSHOT_MUX_VALID_COUNT (2 << 8) +#define BRW_VS_CTL_SNAPSHOT_MUX_VS_KERNEL_POINTER (3 << 8) +#define BRW_VS_CTL_SNAPSHOT_ALL_THREADS (1 << 2) +#define BRW_VS_CTL_THREAD_SNAPSHOT_ENABLE (1 << 1) +#define BRW_VS_CTL_SNAPSHOT_ENABLE (1 << 0) + +#define BRW_VS_STRG_VAL 0x7604 +#define BRW_VS_RDATA 0x7608 + +#define BRW_SF_CTL 0x7b00 +#define BRW_SF_CTL_SNAPSHOT_COMPLETE (1 << 31) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_0_FF_ID (0 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_0_REL_COUNT (1 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_1_FF_ID (2 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_1_REL_COUNT (3 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_2_FF_ID (4 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_2_REL_COUNT (5 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_VERTEX_COUNT (6 << 8) +#define BRW_SF_CTL_SNAPSHOT_MUX_SF_KERNEL_POINTER (7 << 8) +#define BRW_SF_CTL_MIN_MAX_PRIMITIVE_RANGE_ENABLE (1 << 4) +#define BRW_SF_CTL_DEBUG_CLIP_RECTANGLE_ENABLE (1 << 3) +#define BRW_SF_CTL_SNAPSHOT_ALL_THREADS (1 << 2) +#define BRW_SF_CTL_THREAD_SNAPSHOT_ENABLE (1 << 1) +#define BRW_SF_CTL_SNAPSHOT_ENABLE (1 << 0) + +#define BRW_SF_STRG_VAL 0x7b04 +#define BRW_SF_RDATA 0x7b18 + +#define BRW_WIZ_CTL 0x7c00 +#define BRW_WIZ_CTL_SNAPSHOT_COMPLETE (1 << 31) +#define BRW_WIZ_CTL_SUBSPAN_INSTANCE_SHIFT 16 +#define BRW_WIZ_CTL_SNAPSHOT_MUX_WIZ_KERNEL_POINTER (0 << 8) +#define BRW_WIZ_CTL_SNAPSHOT_MUX_SUBSPAN_INSTANCE (1 << 8) +#define BRW_WIZ_CTL_SNAPSHOT_MUX_PRIMITIVE_SEQUENCE (2 << 8) +#define BRW_WIZ_CTL_SINGLE_SUBSPAN_DISPATCH (1 << 6) +#define BRW_WIZ_CTL_IGNORE_COLOR_SCOREBOARD_STALLS (1 << 5) +#define BRW_WIZ_CTL_ENABLE_SUBSPAN_INSTANCE_COMPARE (1 << 4) +#define BRW_WIZ_CTL_USE_UPSTREAM_SNAPSHOT_FLAG (1 << 3) +#define BRW_WIZ_CTL_SNAPSHOT_ALL_THREADS (1 << 2) +#define BRW_WIZ_CTL_THREAD_SNAPSHOT_ENABLE (1 << 1) +#define BRW_WIZ_CTL_SNAPSHOT_ENABLE (1 << 0) + +#define BRW_WIZ_STRG_VAL 0x7c04 +#define BRW_WIZ_RDATA 0x7c18 + +#define BRW_TS_CTL 0x7e00 +#define BRW_TS_CTL_SNAPSHOT_COMPLETE (1 << 31) +#define BRW_TS_CTL_SNAPSHOT_MESSAGE_ERROR (0 << 8) +#define BRW_TS_CTL_SNAPSHOT_INTERFACE_DESCRIPTOR (3 << 8) +#define BRW_TS_CTL_SNAPSHOT_ALL_CHILD_THREADS (1 << 2) +#define BRW_TS_CTL_SNAPSHOT_ALL_ROOT_THREADS (1 << 1) +#define BRW_TS_CTL_SNAPSHOT_ENABLE (1 << 0) + +#define BRW_TS_STRG_VAL 0x7e04 +#define BRW_TS_RDATA 0x7e08 + +#define BRW_TD_CTL 0x8000 +#define BRW_TD_CTL_MUX_SHIFT 8 +#define BRW_TD_CTL_EXTERNAL_HALT_R0_DEBUG_MATCH (1 << 7) +#define BRW_TD_CTL_FORCE_EXTERNAL_HALT (1 << 6) +#define BRW_TD_CTL_EXCEPTION_MASK_OVERRIDE (1 << 5) +#define BRW_TD_CTL_FORCE_THREAD_BREAKPOINT_ENABLE (1 << 4) +#define BRW_TD_CTL_BREAKPOINT_ENABLE (1 << 2) +#define BRW_TD_CTL2 0x8004 +#define BRW_TD_CTL2_ILLEGAL_OPCODE_EXCEPTION_OVERRIDE (1 << 28) +#define BRW_TD_CTL2_MASKSTACK_EXCEPTION_OVERRIDE (1 << 26) +#define BRW_TD_CTL2_SOFTWARE_EXCEPTION_OVERRIDE (1 << 25) +#define BRW_TD_CTL2_ACTIVE_THREAD_LIMIT_SHIFT 16 +#define BRW_TD_CTL2_ACTIVE_THREAD_LIMIT_ENABLE (1 << 8) +#define BRW_TD_CTL2_THREAD_SPAWNER_EXECUTION_MASK_ENABLE (1 << 7) +#define BRW_TD_CTL2_WIZ_EXECUTION_MASK_ENABLE (1 << 6) +#define BRW_TD_CTL2_SF_EXECUTION_MASK_ENABLE (1 << 5) +#define BRW_TD_CTL2_CLIPPER_EXECUTION_MASK_ENABLE (1 << 4) +#define BRW_TD_CTL2_GS_EXECUTION_MASK_ENABLE (1 << 3) +#define BRW_TD_CTL2_VS_EXECUTION_MASK_ENABLE (1 << 0) +#define BRW_TD_VF_VS_EMSK 0x8008 +#define BRW_TD_GS_EMSK 0x800c +#define BRW_TD_CLIP_EMSK 0x8010 +#define BRW_TD_SF_EMSK 0x8014 +#define BRW_TD_WIZ_EMSK 0x8018 +#define BRW_TD_0_6_EHTRG_VAL 0x801c +#define BRW_TD_0_7_EHTRG_VAL 0x8020 +#define BRW_TD_0_6_EHTRG_MSK 0x8024 +#define BRW_TD_0_7_EHTRG_MSK 0x8028 +#define BRW_TD_RDATA 0x802c +#define BRW_TD_TS_EMSK 0x8030 + +#define BRW_EU_CTL 0x8800 +#define BRW_EU_CTL_SELECT_SHIFT 16 +#define BRW_EU_CTL_DATA_MUX_SHIFT 8 +#define BRW_EU_ATT_0 0x8810 +#define BRW_EU_ATT_1 0x8814 +#define BRW_EU_ATT_DATA_0 0x8820 +#define BRW_EU_ATT_DATA_1 0x8824 +#define BRW_EU_ATT_CLR_0 0x8830 +#define BRW_EU_ATT_CLR_1 0x8834 +#define BRW_EU_RDATA 0x8840 + +typedef struct i965_device i965_device_t; +typedef struct i965_surface i965_surface_t; +typedef struct i965_shader i965_shader_t; +typedef struct i965_stream i965_stream_t; + +struct i965_sf_state { + cairo_hash_entry_t entry; + uint32_t offset; +}; + +cairo_private cairo_bool_t +i965_sf_state_equal (const void *, const void *); + +struct i965_cc_state { + cairo_hash_entry_t entry; + uint32_t offset; +}; + +cairo_private cairo_bool_t +i965_cc_state_equal (const void *, const void *); + +struct i965_wm_kernel { + cairo_hash_entry_t entry; + uint32_t offset; +}; + +struct i965_wm_state { + cairo_hash_entry_t entry; + uint32_t kernel; + uint32_t sampler; + uint32_t offset; +}; + +cairo_private cairo_bool_t +i965_wm_state_equal (const void *, const void *); + +struct i965_wm_binding { + cairo_hash_entry_t entry; + uint32_t table[4]; + int size; + uint32_t offset; +}; + +cairo_private cairo_bool_t +i965_wm_binding_equal (const void *, const void *); + +struct i965_sampler { + cairo_hash_entry_t entry; + uint32_t offset; +}; + +struct i965_vbo { + struct i965_vbo *next; + intel_bo_t *bo; + unsigned int count; +}; + +struct i965_surface { + intel_surface_t intel; + + uint32_t stream; + uint32_t offset; +}; + +struct i965_pending_relocation { + uint32_t offset; + uint32_t read_domains; + uint32_t write_domain; + uint32_t delta; +}; + +struct i965_stream { + uint32_t used; + uint32_t committed; + uint32_t size; + uint8_t *data; + uint32_t serial; + + int num_pending_relocations; + int max_pending_relocations; + struct i965_pending_relocation *pending_relocations; + + int num_relocations; + int max_relocations; + struct drm_i915_gem_relocation_entry *relocations; +}; + +#define I965_BATCH_SIZE (16 * 4096) +#define I965_GENERAL_SIZE (16 * 4096) +#define I965_SURFACE_SIZE (32 * 4096) +#define I965_VERTEX_SIZE (128 * 4096) + +#define I965_TILING_DEFAULT I915_TILING_Y + + +struct i965_device { + intel_device_t intel; + + cairo_bool_t is_g4x; + + i965_shader_t *shader; /* note: only valid during geometry emission */ + + /* track state changes */ + struct i965_sf_state sf_state; + struct i965_cc_state cc_state; + struct i965_wm_state wm_state; + struct i965_wm_binding wm_binding; + + i965_surface_t *target; + uint32_t target_offset; + + intel_bo_t *source; + uint32_t source_offset; + + intel_bo_t *mask; + uint32_t mask_offset; + + intel_bo_t *clip; + uint32_t clip_offset; + + uint32_t draw_rectangle; + + uint32_t vs_offset; + uint32_t border_color_offset; + cairo_hash_table_t *sf_states; + cairo_hash_table_t *cc_states; + cairo_hash_table_t *wm_kernels; + cairo_hash_table_t *wm_states; + cairo_hash_table_t *wm_bindings; + cairo_hash_table_t *samplers; + intel_bo_t *general_state; + + cairo_freelist_t sf_freelist; + cairo_freelist_t cc_freelist; + cairo_freelist_t wm_kernel_freelist; + cairo_freelist_t wm_state_freelist; + cairo_freelist_t wm_binding_freelist; + cairo_freelist_t sampler_freelist; + + uint32_t vertex_type; + uint32_t vertex_size; + uint32_t rectangle_size; + uint32_t last_vertex_size; + + float *constants; /* 4 x matrix + 2 x source */ + unsigned constants_size; + cairo_bool_t have_urb_fences; + + i965_stream_t batch; + uint8_t batch_base[I965_BATCH_SIZE]; + struct drm_i915_gem_relocation_entry batch_relocations[2048]; + + i965_stream_t surface; + uint8_t surface_base[I965_SURFACE_SIZE]; + struct i965_pending_relocation surface_pending_relocations[1]; + struct drm_i915_gem_relocation_entry surface_relocations[1024]; + + i965_stream_t general; + uint8_t general_base[I965_GENERAL_SIZE]; + struct i965_pending_relocation general_pending_relocations[1]; + + i965_stream_t vertex; + uint8_t vertex_base[I965_VERTEX_SIZE]; + struct i965_pending_relocation vertex_pending_relocations[512]; + + struct { + size_t gtt_size; + + intel_bo_t *bo[1024]; + int count; + + struct drm_i915_gem_exec_object2 exec[1024]; + } exec; + cairo_list_t flush; +}; + +typedef enum { + VS_NONE = 0, + VS_GLYPHS, + VS_SPANS, +} i965_vertex_shader_t; + +typedef enum { + FS_NONE = 0, + FS_CONSTANT, + FS_LINEAR, + FS_RADIAL, + FS_SURFACE, + FS_GLYPHS, + FS_SPANS, +} i965_fragment_shader_t; + +typedef enum { + PATTERN_BASE, + PATTERN_SOLID, + PATTERN_LINEAR, + PATTERN_RADIAL, + PATTERN_SURFACE, +} i965_shader_channel_t; +#define PATTERN_NONE (i965_shader_channel_t)-1 + +struct i965_shader { + i965_device_t *device; + i965_surface_t *target; + + cairo_operator_t op; + + cairo_bool_t committed; + cairo_bool_t need_combine; + + float constants[4*8 + 2*8]; /* 4 x matrix + 2 x source */ + unsigned constants_size; + + union i965_shader_channel { + struct { + i965_vertex_shader_t vertex; + i965_fragment_shader_t fragment; + i965_shader_channel_t pattern; + } type; + struct i965_shader_base { + i965_vertex_shader_t vertex; + i965_fragment_shader_t fragment; + i965_shader_channel_t pattern; + + uint32_t mode; + + float constants[8]; + unsigned constants_size; + + intel_bo_t *bo; + cairo_format_t format; + cairo_content_t content; + int width, height, stride; + int filter, extend; + cairo_matrix_t matrix; + cairo_bool_t has_component_alpha; + } base; + struct i965_shader_solid { + struct i965_shader_base base; + } solid; + struct i965_shader_linear { + struct i965_shader_base base; + } linear; + struct i965_shader_radial { + struct i965_shader_base base; + } radial; + struct i965_shader_surface { + struct i965_shader_base base; + cairo_surface_t *surface; + } surface; + } source, mask, clip, dst; + + jmp_buf unwind; +}; + +enum i965_shader_linear_mode { + /* XXX REFLECT */ + LINEAR_TEXTURE, + LINEAR_NONE, + LINEAR_REPEAT, + LINEAR_PAD, +}; + +enum i965_shader_radial_mode { + RADIAL_ONE, + RADIAL_TWO +}; + +typedef cairo_status_t +(*i965_spans_func_t) (void *closure, + cairo_span_renderer_t *renderer, + const cairo_rectangle_int_t *extents); + +static inline i965_device_t * +i965_device (i965_surface_t *surface) +{ + return (i965_device_t *) surface->intel.drm.base.device; +} + +cairo_private void +i965_emit_relocation (i965_device_t *device, + i965_stream_t *stream, + intel_bo_t *target, + uint32_t target_offset, + uint32_t read_domains, + uint32_t write_domain, + uint32_t offset); + +static cairo_always_inline uint32_t +i965_stream_emit (i965_stream_t *stream, const void *data, size_t size) +{ + uint32_t offset; + + offset = stream->used; + assert (offset + size <= stream->size); + memcpy (stream->data + offset, data, size); + stream->used += size; + + return offset; +} + +static cairo_always_inline void +i965_stream_align (i965_stream_t *stream, uint32_t size) +{ + stream->used = (stream->used + size - 1) & -size; +} + +static cairo_always_inline void * +i965_stream_alloc (i965_stream_t *stream, uint32_t align, uint32_t size) +{ + void *ptr; + + if (align) + i965_stream_align (stream, align); + + assert (stream->used + size <= stream->size); + ptr = stream->data + stream->used; + stream->used += size; + + return ptr; +} + +static cairo_always_inline uint32_t +i965_stream_offsetof (i965_stream_t *stream, const void *ptr) +{ + return (char *) ptr - (char *) stream->data; +} + +cairo_private void +i965_stream_commit (i965_device_t *device, + i965_stream_t *stream); + +cairo_private void +i965_general_state_reset (i965_device_t *device); + +static inline void +i965_batch_emit_dword (i965_device_t *device, uint32_t dword) +{ + *(uint32_t *) (device->batch.data + device->batch.used) = dword; + device->batch.used += 4; +} + +#define OUT_BATCH(dword) i965_batch_emit_dword(device, dword) + +cairo_private void +i965_clipped_vertices (i965_device_t *device, + struct i965_vbo *vbo, + cairo_region_t *clip_region); + +cairo_private void +i965_flush_vertices (i965_device_t *device); + +cairo_private void +i965_finish_vertices (i965_device_t *device); + +static inline float * +i965_add_rectangle (i965_device_t *device) +{ + float *vertices; + uint32_t size; + + size = device->rectangle_size; + if (unlikely (device->vertex.used + size > device->vertex.size)) + i965_finish_vertices (device); + + vertices = (float *) (device->vertex.data + device->vertex.used); + device->vertex.used += size; + + return vertices; +} + +static inline void +i965_shader_add_rectangle (const i965_shader_t *shader, + int x, int y, + int w, int h) +{ + float *v; + + v= i965_add_rectangle (shader->device); + + /* bottom-right */ + *v++ = x + w; + *v++ = y + h; + + /* bottom-left */ + *v++ = x; + *v++ = y + h; + + /* top-left */ + *v++ = x; + *v++ = y; +} + +cairo_private cairo_surface_t * +i965_surface_create_internal (cairo_drm_device_t *base_dev, + cairo_format_t format, + int width, int height, + uint32_t tiling, + cairo_bool_t gpu_target); + +cairo_private cairo_status_t +i965_clip_and_composite_spans (i965_surface_t *dst, + cairo_operator_t op, + const cairo_pattern_t *pattern, + cairo_antialias_t antialias, + i965_spans_func_t draw_func, + void *draw_closure, + const cairo_composite_rectangles_t*extents, + cairo_clip_t *clip); + +cairo_private cairo_int_status_t +i965_surface_glyphs (void *abstract_surface, + cairo_operator_t op, + const cairo_pattern_t *source, + cairo_glyph_t *glyphs, + int num_glyphs, + cairo_scaled_font_t *scaled_font, + cairo_clip_t *clip, + int *num_remaining); + +cairo_private void +i965_shader_init (i965_shader_t *shader, + i965_surface_t *dst, + cairo_operator_t op); + +cairo_private cairo_status_t +i965_shader_acquire_pattern (i965_shader_t *shader, + union i965_shader_channel *src, + const cairo_pattern_t *pattern, + const cairo_rectangle_int_t *extents); + +cairo_private void +i965_shader_set_clip (i965_shader_t *shader, + cairo_clip_t *clip); + +cairo_private cairo_status_t +i965_shader_commit (i965_shader_t *shader, + i965_device_t *device); + +cairo_private void +i965_shader_fini (i965_shader_t *shader); + +cairo_private cairo_status_t +i965_device_flush (i965_device_t *device); + +cairo_private cairo_status_t +i965_fixup_unbounded (i965_surface_t *dst, + const cairo_composite_rectangles_t *extents, + cairo_clip_t *clip); + +static inline int +i965_filter (cairo_filter_t filter) +{ + switch (filter) { + default: + case CAIRO_FILTER_FAST: + case CAIRO_FILTER_NEAREST: + return BRW_MAPFILTER_NEAREST; + + case CAIRO_FILTER_GOOD: + case CAIRO_FILTER_BEST: + case CAIRO_FILTER_BILINEAR: + case CAIRO_FILTER_GAUSSIAN: + return BRW_MAPFILTER_LINEAR; + } +} + +static inline int +i965_extend (cairo_extend_t extend) +{ + switch (extend) { + default: + case CAIRO_EXTEND_NONE: + return BRW_TEXCOORDMODE_CLAMP_BORDER; + case CAIRO_EXTEND_REPEAT: + return BRW_TEXCOORDMODE_WRAP; + case CAIRO_EXTEND_PAD: + return BRW_TEXCOORDMODE_CLAMP; + case CAIRO_EXTEND_REFLECT: + return BRW_TEXCOORDMODE_MIRROR; + } +} + +#endif /* CAIRO_DRM_I965_PRIVATE_H */ |