diff options
Diffstat (limited to 'src/gallium/drivers/failover')
| -rw-r--r-- | src/gallium/drivers/failover/Makefile | 11 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/SConscript | 13 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/fo_context.c | 182 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/fo_context.h | 125 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/fo_state.c | 481 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/fo_state_emit.c | 117 | ||||
| -rw-r--r-- | src/gallium/drivers/failover/fo_winsys.h | 45 |
7 files changed, 974 insertions, 0 deletions
diff --git a/src/gallium/drivers/failover/Makefile b/src/gallium/drivers/failover/Makefile new file mode 100644 index 0000000000..dfb7f5dcf6 --- /dev/null +++ b/src/gallium/drivers/failover/Makefile @@ -0,0 +1,11 @@ +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = failover + +C_SOURCES = \ + fo_state.c \ + fo_state_emit.c \ + fo_context.c + +include ../../Makefile.template diff --git a/src/gallium/drivers/failover/SConscript b/src/gallium/drivers/failover/SConscript new file mode 100644 index 0000000000..f8e9b1b491 --- /dev/null +++ b/src/gallium/drivers/failover/SConscript @@ -0,0 +1,13 @@ +Import('*') + +env = env.Clone() + +failover = env.ConvenienceLibrary( + target = 'failover', + source = [ + 'fo_state.c', + 'fo_state_emit.c', + 'fo_context.c', + ]) + +Export('failover') diff --git a/src/gallium/drivers/failover/fo_context.c b/src/gallium/drivers/failover/fo_context.c new file mode 100644 index 0000000000..37184eac7b --- /dev/null +++ b/src/gallium/drivers/failover/fo_context.c @@ -0,0 +1,182 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + +#include "pipe/p_defines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "util/u_memory.h" +#include "pipe/p_context.h" + +#include "fo_context.h" +#include "fo_winsys.h" + + + +static void failover_destroy( struct pipe_context *pipe ) +{ + struct failover_context *failover = failover_context( pipe ); + + free( failover ); +} + + + +static boolean failover_draw_elements( struct pipe_context *pipe, + struct pipe_buffer *indexBuffer, + unsigned indexSize, + unsigned prim, unsigned start, unsigned count) +{ + struct failover_context *failover = failover_context( pipe ); + + /* If there has been any statechange since last time, try hardware + * rendering again: + */ + if (failover->dirty) { + failover->mode = FO_HW; + } + + /* Try hardware: + */ + if (failover->mode == FO_HW) { + if (!failover->hw->draw_elements( failover->hw, + indexBuffer, + indexSize, + prim, + start, + count )) { + + failover->hw->flush( failover->hw, ~0, NULL ); + failover->mode = FO_SW; + } + } + + /* Possibly try software: + */ + if (failover->mode == FO_SW) { + + if (failover->dirty) + failover_state_emit( failover ); + + failover->sw->draw_elements( failover->sw, + indexBuffer, + indexSize, + prim, + start, + count ); + + /* Be ready to switch back to hardware rendering without an + * intervening flush. Unlikely to be much performance impact to + * this: + */ + failover->sw->flush( failover->sw, ~0, NULL ); + } + + return TRUE; +} + + +static boolean failover_draw_arrays( struct pipe_context *pipe, + unsigned prim, unsigned start, unsigned count) +{ + return failover_draw_elements(pipe, NULL, 0, prim, start, count); +} + +static unsigned int +failover_is_texture_referenced( struct pipe_context *_pipe, + struct pipe_texture *texture, + unsigned face, unsigned level) +{ + struct failover_context *failover = failover_context( _pipe ); + struct pipe_context *pipe = (failover->mode == FO_HW) ? + failover->hw : failover->sw; + + return pipe->is_texture_referenced(pipe, texture, face, level); +} + +static unsigned int +failover_is_buffer_referenced( struct pipe_context *_pipe, + struct pipe_buffer *buf) +{ + struct failover_context *failover = failover_context( _pipe ); + struct pipe_context *pipe = (failover->mode == FO_HW) ? + failover->hw : failover->sw; + + return pipe->is_buffer_referenced(pipe, buf); +} + +struct pipe_context *failover_create( struct pipe_context *hw, + struct pipe_context *sw ) +{ + struct failover_context *failover = CALLOC_STRUCT(failover_context); + if (failover == NULL) + return NULL; + + failover->hw = hw; + failover->sw = sw; + failover->pipe.winsys = hw->winsys; + failover->pipe.screen = hw->screen; + failover->pipe.destroy = failover_destroy; +#if 0 + failover->pipe.is_format_supported = hw->is_format_supported; + failover->pipe.get_name = hw->get_name; + failover->pipe.get_vendor = hw->get_vendor; + failover->pipe.get_param = hw->get_param; + failover->pipe.get_paramf = hw->get_paramf; +#endif + + failover->pipe.draw_arrays = failover_draw_arrays; + failover->pipe.draw_elements = failover_draw_elements; + failover->pipe.clear = hw->clear; + + /* No software occlusion fallback (or other optional functionality) + * at this point - if the hardware doesn't support it, don't + * advertise it to the application. + */ + failover->pipe.begin_query = hw->begin_query; + failover->pipe.end_query = hw->end_query; + + failover_init_state_functions( failover ); + + failover->pipe.surface_copy = hw->surface_copy; + failover->pipe.surface_fill = hw->surface_fill; + +#if 0 + failover->pipe.texture_create = hw->texture_create; + failover->pipe.texture_destroy = hw->texture_destroy; + failover->pipe.get_tex_surface = hw->get_tex_surface; + failover->pipe.texture_update = hw->texture_update; +#endif + + failover->pipe.flush = hw->flush; + failover->pipe.is_texture_referenced = failover_is_texture_referenced; + failover->pipe.is_buffer_referenced = failover_is_buffer_referenced; + + failover->dirty = 0; + + return &failover->pipe; +} + diff --git a/src/gallium/drivers/failover/fo_context.h b/src/gallium/drivers/failover/fo_context.h new file mode 100644 index 0000000000..9ba86ba866 --- /dev/null +++ b/src/gallium/drivers/failover/fo_context.h @@ -0,0 +1,125 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ + +#ifndef FO_CONTEXT_H +#define FO_CONTEXT_H + +#include "pipe/p_state.h" +#include "pipe/p_context.h" + + + +#define FO_NEW_VIEWPORT 0x1 +#define FO_NEW_RASTERIZER 0x2 +#define FO_NEW_FRAGMENT_SHADER 0x4 +#define FO_NEW_BLEND 0x8 +#define FO_NEW_CLIP 0x10 +#define FO_NEW_SCISSOR 0x20 +#define FO_NEW_STIPPLE 0x40 +#define FO_NEW_FRAMEBUFFER 0x80 +#define FO_NEW_ALPHA_TEST 0x100 +#define FO_NEW_DEPTH_STENCIL 0x200 +#define FO_NEW_SAMPLER 0x400 +#define FO_NEW_TEXTURE 0x800 +#define FO_NEW_VERTEX 0x2000 +#define FO_NEW_VERTEX_SHADER 0x4000 +#define FO_NEW_BLEND_COLOR 0x8000 +#define FO_NEW_CLEAR_COLOR 0x10000 +#define FO_NEW_VERTEX_BUFFER 0x20000 +#define FO_NEW_VERTEX_ELEMENT 0x40000 + + + +#define FO_HW 0 +#define FO_SW 1 + +struct fo_state { + void *sw_state; + void *hw_state; +}; +struct failover_context { + struct pipe_context pipe; /**< base class */ + + + /* The most recent drawing state as set by the driver: + */ + const struct fo_state *blend; + const struct fo_state *sampler[PIPE_MAX_SAMPLERS]; + const struct fo_state *depth_stencil; + const struct fo_state *rasterizer; + const struct fo_state *fragment_shader; + const struct fo_state *vertex_shader; + + struct pipe_blend_color blend_color; + struct pipe_clip_state clip; + struct pipe_framebuffer_state framebuffer; + struct pipe_poly_stipple poly_stipple; + struct pipe_scissor_state scissor; + struct pipe_texture *texture[PIPE_MAX_SAMPLERS]; + struct pipe_viewport_state viewport; + struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; + struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS]; + + uint num_vertex_buffers; + uint num_vertex_elements; + + void *sw_sampler_state[PIPE_MAX_SAMPLERS]; + void *hw_sampler_state[PIPE_MAX_SAMPLERS]; + + unsigned dirty; + + unsigned num_samplers; + unsigned num_textures; + + unsigned mode; + struct pipe_context *hw; + struct pipe_context *sw; +}; + + + +void failover_init_state_functions( struct failover_context *failover ); +void failover_state_emit( struct failover_context *failover ); + +static INLINE struct failover_context * +failover_context( struct pipe_context *pipe ) +{ + return (struct failover_context *)pipe; +} + +/* Internal functions + */ +void +failover_set_constant_buffer(struct pipe_context *pipe, + uint shader, uint index, + const struct pipe_constant_buffer *buf); + + +#endif /* FO_CONTEXT_H */ diff --git a/src/gallium/drivers/failover/fo_state.c b/src/gallium/drivers/failover/fo_state.c new file mode 100644 index 0000000000..c8eb926299 --- /dev/null +++ b/src/gallium/drivers/failover/fo_state.c @@ -0,0 +1,481 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "fo_context.h" + + +/* This looks like a lot of work at the moment - we're keeping a + * duplicate copy of the state up-to-date. + * + * This can change in two ways: + * - With constant state objects we would only need to save a pointer, + * not the whole object. + * - By adding a callback in the state tracker to re-emit state. The + * state tracker knows the current state already and can re-emit it + * without additional complexity. + * + * This works as a proof-of-concept, but a final version will have + * lower overheads. + */ + + + +static void * +failover_create_blend_state( struct pipe_context *pipe, + const struct pipe_blend_state *blend ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_blend_state(failover->sw, blend); + state->hw_state = failover->hw->create_blend_state(failover->hw, blend); + + return state; +} + +static void +failover_bind_blend_state( struct pipe_context *pipe, + void *blend ) +{ + struct failover_context *failover = failover_context(pipe); + struct fo_state *state = (struct fo_state *)blend; + failover->blend = state; + failover->dirty |= FO_NEW_BLEND; + failover->sw->bind_blend_state( failover->sw, state->sw_state ); + failover->hw->bind_blend_state( failover->hw, state->hw_state ); +} + +static void +failover_delete_blend_state( struct pipe_context *pipe, + void *blend ) +{ + struct fo_state *state = (struct fo_state*)blend; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_blend_state(failover->sw, state->sw_state); + failover->hw->delete_blend_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + +static void +failover_set_blend_color( struct pipe_context *pipe, + const struct pipe_blend_color *blend_color ) +{ + struct failover_context *failover = failover_context(pipe); + + failover->blend_color = *blend_color; + failover->dirty |= FO_NEW_BLEND_COLOR; + failover->sw->set_blend_color( failover->sw, blend_color ); + failover->hw->set_blend_color( failover->hw, blend_color ); +} + +static void +failover_set_clip_state( struct pipe_context *pipe, + const struct pipe_clip_state *clip ) +{ + struct failover_context *failover = failover_context(pipe); + + failover->clip = *clip; + failover->dirty |= FO_NEW_CLIP; + failover->sw->set_clip_state( failover->sw, clip ); + failover->hw->set_clip_state( failover->hw, clip ); +} + + +static void * +failover_create_depth_stencil_state(struct pipe_context *pipe, + const struct pipe_depth_stencil_alpha_state *templ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_depth_stencil_alpha_state(failover->sw, templ); + state->hw_state = failover->hw->create_depth_stencil_alpha_state(failover->hw, templ); + + return state; +} + +static void +failover_bind_depth_stencil_state(struct pipe_context *pipe, + void *depth_stencil) +{ + struct failover_context *failover = failover_context(pipe); + struct fo_state *state = (struct fo_state *)depth_stencil; + failover->depth_stencil = state; + failover->dirty |= FO_NEW_DEPTH_STENCIL; + failover->sw->bind_depth_stencil_alpha_state(failover->sw, state->sw_state); + failover->hw->bind_depth_stencil_alpha_state(failover->hw, state->hw_state); +} + +static void +failover_delete_depth_stencil_state(struct pipe_context *pipe, + void *ds) +{ + struct fo_state *state = (struct fo_state*)ds; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_depth_stencil_alpha_state(failover->sw, state->sw_state); + failover->hw->delete_depth_stencil_alpha_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + +static void +failover_set_framebuffer_state(struct pipe_context *pipe, + const struct pipe_framebuffer_state *framebuffer) +{ + struct failover_context *failover = failover_context(pipe); + + failover->framebuffer = *framebuffer; + failover->dirty |= FO_NEW_FRAMEBUFFER; + failover->sw->set_framebuffer_state( failover->sw, framebuffer ); + failover->hw->set_framebuffer_state( failover->hw, framebuffer ); +} + + +static void * +failover_create_fs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_fs_state(failover->sw, templ); + state->hw_state = failover->hw->create_fs_state(failover->hw, templ); + + return state; +} + +static void +failover_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct failover_context *failover = failover_context(pipe); + struct fo_state *state = (struct fo_state*)fs; + failover->fragment_shader = state; + failover->dirty |= FO_NEW_FRAGMENT_SHADER; + failover->sw->bind_fs_state(failover->sw, state->sw_state); + failover->hw->bind_fs_state(failover->hw, state->hw_state); +} + +static void +failover_delete_fs_state(struct pipe_context *pipe, + void *fs) +{ + struct fo_state *state = (struct fo_state*)fs; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_fs_state(failover->sw, state->sw_state); + failover->hw->delete_fs_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + +static void * +failover_create_vs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_vs_state(failover->sw, templ); + state->hw_state = failover->hw->create_vs_state(failover->hw, templ); + + return state; +} + +static void +failover_bind_vs_state(struct pipe_context *pipe, + void *vs) +{ + struct failover_context *failover = failover_context(pipe); + + struct fo_state *state = (struct fo_state*)vs; + failover->vertex_shader = state; + failover->dirty |= FO_NEW_VERTEX_SHADER; + failover->sw->bind_vs_state(failover->sw, state->sw_state); + failover->hw->bind_vs_state(failover->hw, state->hw_state); +} + +static void +failover_delete_vs_state(struct pipe_context *pipe, + void *vs) +{ + struct fo_state *state = (struct fo_state*)vs; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_vs_state(failover->sw, state->sw_state); + failover->hw->delete_vs_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + +static void +failover_set_polygon_stipple( struct pipe_context *pipe, + const struct pipe_poly_stipple *stipple ) +{ + struct failover_context *failover = failover_context(pipe); + + failover->poly_stipple = *stipple; + failover->dirty |= FO_NEW_STIPPLE; + failover->sw->set_polygon_stipple( failover->sw, stipple ); + failover->hw->set_polygon_stipple( failover->hw, stipple ); +} + + +static void * +failover_create_rasterizer_state(struct pipe_context *pipe, + const struct pipe_rasterizer_state *templ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_rasterizer_state(failover->sw, templ); + state->hw_state = failover->hw->create_rasterizer_state(failover->hw, templ); + + return state; +} + +static void +failover_bind_rasterizer_state(struct pipe_context *pipe, + void *raster) +{ + struct failover_context *failover = failover_context(pipe); + + struct fo_state *state = (struct fo_state*)raster; + failover->rasterizer = state; + failover->dirty |= FO_NEW_RASTERIZER; + failover->sw->bind_rasterizer_state(failover->sw, state->sw_state); + failover->hw->bind_rasterizer_state(failover->hw, state->hw_state); +} + +static void +failover_delete_rasterizer_state(struct pipe_context *pipe, + void *raster) +{ + struct fo_state *state = (struct fo_state*)raster; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_rasterizer_state(failover->sw, state->sw_state); + failover->hw->delete_rasterizer_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + + +static void +failover_set_scissor_state( struct pipe_context *pipe, + const struct pipe_scissor_state *scissor ) +{ + struct failover_context *failover = failover_context(pipe); + + failover->scissor = *scissor; + failover->dirty |= FO_NEW_SCISSOR; + failover->sw->set_scissor_state( failover->sw, scissor ); + failover->hw->set_scissor_state( failover->hw, scissor ); +} + + +static void * +failover_create_sampler_state(struct pipe_context *pipe, + const struct pipe_sampler_state *templ) +{ + struct fo_state *state = malloc(sizeof(struct fo_state)); + struct failover_context *failover = failover_context(pipe); + + state->sw_state = failover->sw->create_sampler_state(failover->sw, templ); + state->hw_state = failover->hw->create_sampler_state(failover->hw, templ); + + return state; +} + +static void +failover_bind_sampler_states(struct pipe_context *pipe, + unsigned num, void **sampler) +{ + struct failover_context *failover = failover_context(pipe); + struct fo_state *state = (struct fo_state*)sampler; + uint i; + assert(num <= PIPE_MAX_SAMPLERS); + /* Check for no-op */ + if (num == failover->num_samplers && + !memcmp(failover->sampler, sampler, num * sizeof(void *))) + return; + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + failover->sw_sampler_state[i] = i < num ? state[i].sw_state : NULL; + failover->hw_sampler_state[i] = i < num ? state[i].hw_state : NULL; + } + failover->dirty |= FO_NEW_SAMPLER; + failover->num_samplers = num; + failover->sw->bind_sampler_states(failover->sw, num, + failover->sw_sampler_state); + failover->hw->bind_sampler_states(failover->hw, num, + failover->hw_sampler_state); +} + +static void +failover_delete_sampler_state(struct pipe_context *pipe, void *sampler) +{ + struct fo_state *state = (struct fo_state*)sampler; + struct failover_context *failover = failover_context(pipe); + + failover->sw->delete_sampler_state(failover->sw, state->sw_state); + failover->hw->delete_sampler_state(failover->hw, state->hw_state); + state->sw_state = 0; + state->hw_state = 0; + free(state); +} + + +static void +failover_set_sampler_textures(struct pipe_context *pipe, + unsigned num, + struct pipe_texture **texture) +{ + struct failover_context *failover = failover_context(pipe); + uint i; + + assert(num <= PIPE_MAX_SAMPLERS); + + /* Check for no-op */ + if (num == failover->num_textures && + !memcmp(failover->texture, texture, num * sizeof(struct pipe_texture *))) + return; + for (i = 0; i < num; i++) + pipe_texture_reference((struct pipe_texture **) &failover->texture[i], + texture[i]); + for (i = num; i < failover->num_textures; i++) + pipe_texture_reference((struct pipe_texture **) &failover->texture[i], + NULL); + failover->dirty |= FO_NEW_TEXTURE; + failover->num_textures = num; + failover->sw->set_sampler_textures( failover->sw, num, texture ); + failover->hw->set_sampler_textures( failover->hw, num, texture ); +} + + +static void +failover_set_viewport_state( struct pipe_context *pipe, + const struct pipe_viewport_state *viewport ) +{ + struct failover_context *failover = failover_context(pipe); + + failover->viewport = *viewport; + failover->dirty |= FO_NEW_VIEWPORT; + failover->sw->set_viewport_state( failover->sw, viewport ); + failover->hw->set_viewport_state( failover->hw, viewport ); +} + + +static void +failover_set_vertex_buffers(struct pipe_context *pipe, + unsigned count, + const struct pipe_vertex_buffer *vertex_buffers) +{ + struct failover_context *failover = failover_context(pipe); + + memcpy(failover->vertex_buffers, vertex_buffers, + count * sizeof(vertex_buffers[0])); + failover->dirty |= FO_NEW_VERTEX_BUFFER; + failover->num_vertex_buffers = count; + failover->sw->set_vertex_buffers( failover->sw, count, vertex_buffers ); + failover->hw->set_vertex_buffers( failover->hw, count, vertex_buffers ); +} + + +static void +failover_set_vertex_elements(struct pipe_context *pipe, + unsigned count, + const struct pipe_vertex_element *vertex_elements) +{ + struct failover_context *failover = failover_context(pipe); + + memcpy(failover->vertex_elements, vertex_elements, + count * sizeof(vertex_elements[0])); + + failover->dirty |= FO_NEW_VERTEX_ELEMENT; + failover->num_vertex_elements = count; + failover->sw->set_vertex_elements( failover->sw, count, vertex_elements ); + failover->hw->set_vertex_elements( failover->hw, count, vertex_elements ); +} + +void +failover_set_constant_buffer(struct pipe_context *pipe, + uint shader, uint index, + const struct pipe_constant_buffer *buf) +{ + struct failover_context *failover = failover_context(pipe); + + assert(shader < PIPE_SHADER_TYPES); + assert(index == 0); + + failover->sw->set_constant_buffer(failover->sw, shader, index, buf); + failover->hw->set_constant_buffer(failover->hw, shader, index, buf); +} + + +void +failover_init_state_functions( struct failover_context *failover ) +{ + failover->pipe.create_blend_state = failover_create_blend_state; + failover->pipe.bind_blend_state = failover_bind_blend_state; + failover->pipe.delete_blend_state = failover_delete_blend_state; + failover->pipe.create_sampler_state = failover_create_sampler_state; + failover->pipe.bind_sampler_states = failover_bind_sampler_states; + failover->pipe.delete_sampler_state = failover_delete_sampler_state; + failover->pipe.create_depth_stencil_alpha_state = failover_create_depth_stencil_state; + failover->pipe.bind_depth_stencil_alpha_state = failover_bind_depth_stencil_state; + failover->pipe.delete_depth_stencil_alpha_state = failover_delete_depth_stencil_state; + failover->pipe.create_rasterizer_state = failover_create_rasterizer_state; + failover->pipe.bind_rasterizer_state = failover_bind_rasterizer_state; + failover->pipe.delete_rasterizer_state = failover_delete_rasterizer_state; + failover->pipe.create_fs_state = failover_create_fs_state; + failover->pipe.bind_fs_state = failover_bind_fs_state; + failover->pipe.delete_fs_state = failover_delete_fs_state; + failover->pipe.create_vs_state = failover_create_vs_state; + failover->pipe.bind_vs_state = failover_bind_vs_state; + failover->pipe.delete_vs_state = failover_delete_vs_state; + + failover->pipe.set_blend_color = failover_set_blend_color; + failover->pipe.set_clip_state = failover_set_clip_state; + failover->pipe.set_framebuffer_state = failover_set_framebuffer_state; + failover->pipe.set_polygon_stipple = failover_set_polygon_stipple; + failover->pipe.set_scissor_state = failover_set_scissor_state; + failover->pipe.set_sampler_textures = failover_set_sampler_textures; + failover->pipe.set_viewport_state = failover_set_viewport_state; + failover->pipe.set_vertex_buffers = failover_set_vertex_buffers; + failover->pipe.set_vertex_elements = failover_set_vertex_elements; + failover->pipe.set_constant_buffer = failover_set_constant_buffer; +} diff --git a/src/gallium/drivers/failover/fo_state_emit.c b/src/gallium/drivers/failover/fo_state_emit.c new file mode 100644 index 0000000000..bd4fce9d20 --- /dev/null +++ b/src/gallium/drivers/failover/fo_state_emit.c @@ -0,0 +1,117 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "fo_context.h" + +/* This looks like a lot of work at the moment - we're keeping a + * duplicate copy of the state up-to-date. + * + * This can change in two ways: + * - With constant state objects we would only need to save a pointer, + * not the whole object. + * - By adding a callback in the state tracker to re-emit state. The + * state tracker knows the current state already and can re-emit it + * without additional complexity. + * + * This works as a proof-of-concept, but a final version will have + * lower overheads. + */ + + +/* Bring the software pipe uptodate with current state. + * + * With constant state objects we would probably just send all state + * to both rasterizers all the time??? + */ +void +failover_state_emit( struct failover_context *failover ) +{ + if (failover->dirty & FO_NEW_BLEND) + failover->sw->bind_blend_state( failover->sw, + failover->blend->sw_state ); + + if (failover->dirty & FO_NEW_BLEND_COLOR) + failover->sw->set_blend_color( failover->sw, &failover->blend_color ); + + if (failover->dirty & FO_NEW_CLIP) + failover->sw->set_clip_state( failover->sw, &failover->clip ); + + if (failover->dirty & FO_NEW_DEPTH_STENCIL) + failover->sw->bind_depth_stencil_alpha_state( failover->sw, + failover->depth_stencil->sw_state ); + + if (failover->dirty & FO_NEW_FRAMEBUFFER) + failover->sw->set_framebuffer_state( failover->sw, &failover->framebuffer ); + + if (failover->dirty & FO_NEW_FRAGMENT_SHADER) + failover->sw->bind_fs_state( failover->sw, + failover->fragment_shader->sw_state ); + + if (failover->dirty & FO_NEW_VERTEX_SHADER) + failover->sw->bind_vs_state( failover->sw, + failover->vertex_shader->sw_state ); + + if (failover->dirty & FO_NEW_STIPPLE) + failover->sw->set_polygon_stipple( failover->sw, &failover->poly_stipple ); + + if (failover->dirty & FO_NEW_RASTERIZER) + failover->sw->bind_rasterizer_state( failover->sw, + failover->rasterizer->sw_state ); + + if (failover->dirty & FO_NEW_SCISSOR) + failover->sw->set_scissor_state( failover->sw, &failover->scissor ); + + if (failover->dirty & FO_NEW_VIEWPORT) + failover->sw->set_viewport_state( failover->sw, &failover->viewport ); + + if (failover->dirty & FO_NEW_SAMPLER) { + failover->sw->bind_sampler_states( failover->sw, failover->num_samplers, + failover->sw_sampler_state ); + } + + if (failover->dirty & FO_NEW_TEXTURE) { + failover->sw->set_sampler_textures( failover->sw, failover->num_textures, + failover->texture ); + } + + if (failover->dirty & FO_NEW_VERTEX_BUFFER) { + failover->sw->set_vertex_buffers( failover->sw, + failover->num_vertex_buffers, + failover->vertex_buffers ); + } + + if (failover->dirty & FO_NEW_VERTEX_ELEMENT) { + failover->sw->set_vertex_elements( failover->sw, + failover->num_vertex_elements, + failover->vertex_elements ); + } + + failover->dirty = 0; +} diff --git a/src/gallium/drivers/failover/fo_winsys.h b/src/gallium/drivers/failover/fo_winsys.h new file mode 100644 index 0000000000..a8ce997a1f --- /dev/null +++ b/src/gallium/drivers/failover/fo_winsys.h @@ -0,0 +1,45 @@ +/************************************************************************** + * + * Copyright 2007 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 FO_WINSYS_H +#define FO_WINSYS_H + + +/* This is the interface that failover requires any window system + * hosting it to implement. This is the only include file in failover + * which is public. + */ + + +struct pipe_context; + + +struct pipe_context *failover_create( struct pipe_context *hw, + struct pipe_context *sw ); + + +#endif /* FO_WINSYS_H */ |