| /************************************************************************** |
| * |
| * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef I915_CONTEXT_H |
| #define I915_CONTEXT_H |
| |
| |
| #include "pipe/p_context.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_state.h" |
| |
| #include "draw/draw_vertex.h" |
| |
| #include "tgsi/tgsi_scan.h" |
| |
| #include "util/u_slab.h" |
| #include "util/u_blitter.h" |
| |
| |
| struct i915_winsys; |
| struct i915_winsys_buffer; |
| struct i915_winsys_batchbuffer; |
| |
| |
| #define I915_TEX_UNITS 8 |
| |
| #define I915_DYNAMIC_MODES4 0 |
| #define I915_DYNAMIC_DEPTHSCALE_0 1 /* just the header */ |
| #define I915_DYNAMIC_DEPTHSCALE_1 2 |
| #define I915_DYNAMIC_IAB 3 |
| #define I915_DYNAMIC_BC_0 4 /* just the header */ |
| #define I915_DYNAMIC_BC_1 5 |
| #define I915_DYNAMIC_BFO_0 6 |
| #define I915_DYNAMIC_BFO_1 7 |
| #define I915_DYNAMIC_STP_0 8 |
| #define I915_DYNAMIC_STP_1 9 |
| #define I915_DYNAMIC_SC_ENA_0 10 |
| #define I915_DYNAMIC_SC_RECT_0 11 |
| #define I915_DYNAMIC_SC_RECT_1 12 |
| #define I915_DYNAMIC_SC_RECT_2 13 |
| #define I915_MAX_DYNAMIC 14 |
| |
| |
| #define I915_IMMEDIATE_S0 0 |
| #define I915_IMMEDIATE_S1 1 |
| #define I915_IMMEDIATE_S2 2 |
| #define I915_IMMEDIATE_S3 3 |
| #define I915_IMMEDIATE_S4 4 |
| #define I915_IMMEDIATE_S5 5 |
| #define I915_IMMEDIATE_S6 6 |
| #define I915_IMMEDIATE_S7 7 |
| #define I915_MAX_IMMEDIATE 8 |
| |
| /* These must mach the order of LI0_STATE_* bits, as they will be used |
| * to generate hardware packets: |
| */ |
| #define I915_CACHE_STATIC 0 |
| #define I915_CACHE_DYNAMIC 1 /* handled specially */ |
| #define I915_CACHE_SAMPLER 2 |
| #define I915_CACHE_MAP 3 |
| #define I915_CACHE_PROGRAM 4 |
| #define I915_CACHE_CONSTANTS 5 |
| #define I915_MAX_CACHE 6 |
| |
| #define I915_MAX_CONSTANT 32 |
| |
| |
| /** See constant_flags[] below */ |
| #define I915_CONSTFLAG_USER 0x1f |
| |
| |
| /** |
| * Subclass of pipe_shader_state |
| */ |
| struct i915_fragment_shader |
| { |
| struct pipe_shader_state state; |
| |
| struct tgsi_shader_info info; |
| |
| struct draw_fragment_shader *draw_data; |
| |
| uint *decl; |
| uint decl_len; |
| |
| uint *program; |
| uint program_len; |
| |
| /** |
| * constants introduced during translation. |
| * These are placed at the end of the constant buffer and grow toward |
| * the beginning (eg: slot 31, 30 29, ...) |
| * User-provided constants start at 0. |
| * This allows both types of constants to co-exist (until there's too many) |
| * and doesn't require regenerating/changing the fragment program to |
| * shuffle constants around. |
| */ |
| uint num_constants; |
| float constants[I915_MAX_CONSTANT][4]; |
| |
| /** |
| * Status of each constant |
| * if I915_CONSTFLAG_PARAM, the value must be taken from the corresponding |
| * slot of the user's constant buffer. (set by pipe->set_constant_buffer()) |
| * Else, the bitmask indicates which components are occupied by immediates. |
| */ |
| ubyte constant_flags[I915_MAX_CONSTANT]; |
| |
| /** |
| * The mapping between generics and hw texture coords. |
| * We need to share this between the vertex and fragment stages. |
| **/ |
| int generic_mapping[I915_TEX_UNITS]; |
| }; |
| |
| |
| struct i915_cache_context; |
| |
| /* Use to calculate differences between state emitted to hardware and |
| * current driver-calculated state. |
| */ |
| struct i915_state |
| { |
| unsigned immediate[I915_MAX_IMMEDIATE]; |
| unsigned dynamic[I915_MAX_DYNAMIC]; |
| |
| /** number of constants passed in through a constant buffer */ |
| uint num_user_constants[PIPE_SHADER_TYPES]; |
| |
| /* texture sampler state */ |
| unsigned sampler[I915_TEX_UNITS][3]; |
| unsigned sampler_enable_flags; |
| unsigned sampler_enable_nr; |
| boolean sampler_srgb[I915_TEX_UNITS]; |
| int srgb_const_offset; |
| |
| /* texture image buffers */ |
| unsigned texbuffer[I915_TEX_UNITS][2]; |
| |
| /** Describes the current hardware vertex layout */ |
| struct vertex_info vertex_info; |
| |
| /* static state (dst/depth buffer state) */ |
| struct i915_winsys_buffer *cbuf_bo; |
| unsigned cbuf_flags; |
| struct i915_winsys_buffer *depth_bo; |
| unsigned depth_flags; |
| unsigned dst_buf_vars; |
| uint32_t draw_offset; |
| uint32_t draw_size; |
| uint32_t target_fixup_format; |
| uint32_t fixup_swizzle; |
| |
| unsigned id; /* track lost context events */ |
| }; |
| |
| struct i915_blend_state { |
| unsigned iab; |
| unsigned modes4; |
| unsigned LIS5; |
| unsigned LIS6; |
| }; |
| |
| struct i915_depth_stencil_state { |
| unsigned stencil_modes4; |
| unsigned bfo[2]; |
| unsigned stencil_LIS5; |
| unsigned depth_LIS6; |
| }; |
| |
| struct i915_rasterizer_state { |
| struct pipe_rasterizer_state templ; |
| |
| unsigned light_twoside : 1; |
| unsigned st; |
| enum interp_mode color_interp; |
| |
| unsigned LIS4; |
| unsigned LIS7; |
| unsigned sc[1]; |
| |
| union { float f; unsigned u; } ds[2]; |
| }; |
| |
| struct i915_sampler_state { |
| struct pipe_sampler_state templ; |
| unsigned state[3]; |
| unsigned minlod; |
| unsigned maxlod; |
| }; |
| |
| struct i915_velems_state { |
| unsigned count; |
| struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; |
| }; |
| |
| |
| struct i915_context { |
| struct pipe_context base; |
| |
| struct i915_winsys *iws; |
| |
| struct draw_context *draw; |
| |
| /* The most recent drawing state as set by the driver: |
| */ |
| const struct i915_blend_state *blend; |
| const struct i915_sampler_state *sampler[PIPE_MAX_SAMPLERS]; |
| struct pipe_sampler_state *vertex_samplers[PIPE_MAX_SAMPLERS]; |
| const struct i915_depth_stencil_state *depth_stencil; |
| const struct i915_rasterizer_state *rasterizer; |
| |
| struct i915_fragment_shader *fs; |
| |
| struct pipe_blend_color blend_color; |
| struct pipe_stencil_ref stencil_ref; |
| struct pipe_clip_state clip; |
| struct pipe_resource *constants[PIPE_SHADER_TYPES]; |
| struct pipe_framebuffer_state framebuffer; |
| struct pipe_poly_stipple poly_stipple; |
| struct pipe_scissor_state scissor; |
| struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS]; |
| struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_SAMPLERS]; |
| struct pipe_viewport_state viewport; |
| struct pipe_index_buffer index_buffer; |
| |
| unsigned dirty; |
| |
| struct pipe_resource *mapped_vs_tex[PIPE_MAX_SAMPLERS]; |
| struct i915_winsys_buffer* mapped_vs_tex_buffer[PIPE_MAX_SAMPLERS]; |
| |
| unsigned num_samplers; |
| unsigned num_fragment_sampler_views; |
| unsigned num_vertex_samplers; |
| unsigned num_vertex_sampler_views; |
| |
| struct i915_winsys_batchbuffer *batch; |
| |
| /** Vertex buffer */ |
| struct i915_winsys_buffer *vbo; |
| size_t vbo_offset; |
| unsigned vbo_flushed; |
| |
| struct i915_state current; |
| unsigned hardware_dirty; |
| unsigned immediate_dirty : I915_MAX_IMMEDIATE; |
| unsigned dynamic_dirty : I915_MAX_DYNAMIC; |
| unsigned static_dirty : 4; |
| unsigned flush_dirty : 2; |
| |
| struct i915_winsys_buffer *validation_buffers[2 + 1 + I915_TEX_UNITS]; |
| int num_validation_buffers; |
| |
| struct util_slab_mempool transfer_pool; |
| struct util_slab_mempool texture_transfer_pool; |
| |
| /* state for tracking flushes */ |
| int last_fired_vertices; |
| int fired_vertices; |
| int queued_vertices; |
| |
| /** blitter/hw-clear */ |
| struct blitter_context* blitter; |
| |
| /** State tracking needed by u_blitter for save/restore. */ |
| void *saved_fs; |
| void (*saved_bind_fs_state)(struct pipe_context *pipe, void *shader); |
| void *saved_vs; |
| struct pipe_clip_state saved_clip; |
| struct i915_velems_state *saved_velems; |
| unsigned saved_nr_vertex_buffers; |
| struct pipe_vertex_buffer saved_vertex_buffers[PIPE_MAX_ATTRIBS]; |
| unsigned saved_nr_samplers; |
| void *saved_samplers[PIPE_MAX_SAMPLERS]; |
| void (*saved_bind_sampler_states)(struct pipe_context *pipe, |
| unsigned num, void **sampler); |
| unsigned saved_nr_sampler_views; |
| struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS]; |
| void (*saved_set_sampler_views)(struct pipe_context *pipe, |
| unsigned num, struct pipe_sampler_view **views); |
| }; |
| |
| /* A flag for each state_tracker state object: |
| */ |
| #define I915_NEW_VIEWPORT 0x1 |
| #define I915_NEW_RASTERIZER 0x2 |
| #define I915_NEW_FS 0x4 |
| #define I915_NEW_BLEND 0x8 |
| #define I915_NEW_CLIP 0x10 |
| #define I915_NEW_SCISSOR 0x20 |
| #define I915_NEW_STIPPLE 0x40 |
| #define I915_NEW_FRAMEBUFFER 0x80 |
| #define I915_NEW_ALPHA_TEST 0x100 |
| #define I915_NEW_DEPTH_STENCIL 0x200 |
| #define I915_NEW_SAMPLER 0x400 |
| #define I915_NEW_SAMPLER_VIEW 0x800 |
| #define I915_NEW_VS_CONSTANTS 0x1000 |
| #define I915_NEW_FS_CONSTANTS 0x2000 |
| #define I915_NEW_GS_CONSTANTS 0x4000 |
| #define I915_NEW_VBO 0x8000 |
| #define I915_NEW_VS 0x10000 |
| |
| |
| /* Driver's internally generated state flags: |
| */ |
| #define I915_NEW_VERTEX_FORMAT 0x10000 |
| |
| |
| /* Dirty flags for hardware emit |
| */ |
| #define I915_HW_STATIC (1<<I915_CACHE_STATIC) |
| #define I915_HW_DYNAMIC (1<<I915_CACHE_DYNAMIC) |
| #define I915_HW_SAMPLER (1<<I915_CACHE_SAMPLER) |
| #define I915_HW_MAP (1<<I915_CACHE_MAP) |
| #define I915_HW_PROGRAM (1<<I915_CACHE_PROGRAM) |
| #define I915_HW_CONSTANTS (1<<I915_CACHE_CONSTANTS) |
| #define I915_HW_IMMEDIATE (1<<(I915_MAX_CACHE+0)) |
| #define I915_HW_INVARIANT (1<<(I915_MAX_CACHE+1)) |
| #define I915_HW_FLUSH (1<<(I915_MAX_CACHE+1)) |
| |
| /* hw flush handling */ |
| #define I915_FLUSH_CACHE 1 |
| #define I915_PIPELINE_FLUSH 2 |
| |
| /* split up static state */ |
| #define I915_DST_BUF_COLOR 1 |
| #define I915_DST_BUF_DEPTH 2 |
| #define I915_DST_VARS 4 |
| #define I915_DST_RECT 8 |
| |
| static INLINE |
| void i915_set_flush_dirty(struct i915_context *i915, unsigned flush) |
| { |
| i915->hardware_dirty |= I915_HW_FLUSH; |
| i915->flush_dirty |= flush; |
| } |
| |
| |
| /*********************************************************************** |
| * i915_prim_emit.c: |
| */ |
| struct draw_stage *i915_draw_render_stage( struct i915_context *i915 ); |
| |
| |
| /*********************************************************************** |
| * i915_prim_vbuf.c: |
| */ |
| struct draw_stage *i915_draw_vbuf_stage( struct i915_context *i915 ); |
| |
| |
| /*********************************************************************** |
| * i915_state.c: |
| */ |
| void i915_prepare_vertex_sampling(struct i915_context *i915); |
| void i915_cleanup_vertex_sampling(struct i915_context *i915); |
| |
| |
| |
| /*********************************************************************** |
| * i915_state_emit.c: |
| */ |
| void i915_emit_hardware_state(struct i915_context *i915 ); |
| |
| |
| |
| /*********************************************************************** |
| * i915_clear.c: |
| */ |
| void i915_clear_blitter(struct pipe_context *pipe, unsigned buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil); |
| void i915_clear_render(struct pipe_context *pipe, unsigned buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil); |
| void i915_clear_emit(struct pipe_context *pipe, unsigned buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil, |
| unsigned destx, unsigned desty, unsigned width, unsigned height); |
| |
| |
| /*********************************************************************** |
| * |
| */ |
| void i915_init_state_functions( struct i915_context *i915 ); |
| void i915_init_fixup_state_functions( struct i915_context *i915 ); |
| void i915_init_flush_functions( struct i915_context *i915 ); |
| void i915_init_string_functions( struct i915_context *i915 ); |
| |
| |
| /************************************************************************ |
| * i915_context.c |
| */ |
| struct pipe_context *i915_create_context(struct pipe_screen *screen, |
| void *priv); |
| |
| |
| /*********************************************************************** |
| * Inline conversion functions. These are better-typed than the |
| * macros used previously: |
| */ |
| static INLINE struct i915_context * |
| i915_context( struct pipe_context *pipe ) |
| { |
| return (struct i915_context *)pipe; |
| } |
| |
| |
| #endif |
