| /************************************************************************** |
| * |
| * 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> |
| * Brian Paul |
| */ |
| |
| #include "util/u_memory.h" |
| #include "pipe/p_inlines.h" |
| #include "draw/draw_context.h" |
| #include "cell_context.h" |
| #include "cell_flush.h" |
| #include "cell_pipe_state.h" |
| #include "cell_state.h" |
| #include "cell_texture.h" |
| |
| |
| |
| static void * |
| cell_create_blend_state(struct pipe_context *pipe, |
| const struct pipe_blend_state *blend) |
| { |
| return mem_dup(blend, sizeof(*blend)); |
| } |
| |
| |
| static void |
| cell_bind_blend_state(struct pipe_context *pipe, void *blend) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| draw_flush(cell->draw); |
| |
| cell->blend = (struct pipe_blend_state *) blend; |
| cell->dirty |= CELL_NEW_BLEND; |
| } |
| |
| |
| static void |
| cell_delete_blend_state(struct pipe_context *pipe, void *blend) |
| { |
| FREE(blend); |
| } |
| |
| |
| static void |
| cell_set_blend_color(struct pipe_context *pipe, |
| const struct pipe_blend_color *blend_color) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| draw_flush(cell->draw); |
| |
| cell->blend_color = *blend_color; |
| |
| cell->dirty |= CELL_NEW_BLEND; |
| } |
| |
| |
| |
| |
| static void * |
| cell_create_depth_stencil_alpha_state(struct pipe_context *pipe, |
| const struct pipe_depth_stencil_alpha_state *dsa) |
| { |
| return mem_dup(dsa, sizeof(*dsa)); |
| } |
| |
| |
| static void |
| cell_bind_depth_stencil_alpha_state(struct pipe_context *pipe, |
| void *dsa) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| draw_flush(cell->draw); |
| |
| cell->depth_stencil = (struct pipe_depth_stencil_alpha_state *) dsa; |
| cell->dirty |= CELL_NEW_DEPTH_STENCIL; |
| } |
| |
| |
| static void |
| cell_delete_depth_stencil_alpha_state(struct pipe_context *pipe, void *dsa) |
| { |
| FREE(dsa); |
| } |
| |
| |
| static void |
| cell_set_clip_state(struct pipe_context *pipe, |
| const struct pipe_clip_state *clip) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| /* pass the clip state to the draw module */ |
| draw_set_clip_state(cell->draw, clip); |
| } |
| |
| |
| |
| /* Called when driver state tracker notices changes to the viewport |
| * matrix: |
| */ |
| static void |
| cell_set_viewport_state( struct pipe_context *pipe, |
| const struct pipe_viewport_state *viewport ) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| cell->viewport = *viewport; /* struct copy */ |
| cell->dirty |= CELL_NEW_VIEWPORT; |
| |
| /* pass the viewport info to the draw module */ |
| draw_set_viewport_state(cell->draw, viewport); |
| |
| /* Using tnl/ and vf/ modules is temporary while getting started. |
| * Full pipe will have vertex shader, vertex fetch of its own. |
| */ |
| } |
| |
| |
| static void |
| cell_set_scissor_state( struct pipe_context *pipe, |
| const struct pipe_scissor_state *scissor ) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| memcpy( &cell->scissor, scissor, sizeof(*scissor) ); |
| cell->dirty |= CELL_NEW_SCISSOR; |
| } |
| |
| |
| static void |
| cell_set_polygon_stipple( struct pipe_context *pipe, |
| const struct pipe_poly_stipple *stipple ) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| memcpy( &cell->poly_stipple, stipple, sizeof(*stipple) ); |
| cell->dirty |= CELL_NEW_STIPPLE; |
| } |
| |
| |
| |
| static void * |
| cell_create_rasterizer_state(struct pipe_context *pipe, |
| const struct pipe_rasterizer_state *rasterizer) |
| { |
| return mem_dup(rasterizer, sizeof(*rasterizer)); |
| } |
| |
| |
| static void |
| cell_bind_rasterizer_state(struct pipe_context *pipe, void *rast) |
| { |
| struct pipe_rasterizer_state *rasterizer = |
| (struct pipe_rasterizer_state *) rast; |
| struct cell_context *cell = cell_context(pipe); |
| |
| /* pass-through to draw module */ |
| draw_set_rasterizer_state(cell->draw, rasterizer); |
| |
| cell->rasterizer = rasterizer; |
| |
| cell->dirty |= CELL_NEW_RASTERIZER; |
| } |
| |
| |
| static void |
| cell_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer) |
| { |
| FREE(rasterizer); |
| } |
| |
| |
| |
| static void * |
| cell_create_sampler_state(struct pipe_context *pipe, |
| const struct pipe_sampler_state *sampler) |
| { |
| return mem_dup(sampler, sizeof(*sampler)); |
| } |
| |
| |
| static void |
| cell_bind_sampler_states(struct pipe_context *pipe, |
| unsigned num, void **samplers) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| uint i, changed = 0x0; |
| |
| assert(num <= CELL_MAX_SAMPLERS); |
| |
| draw_flush(cell->draw); |
| |
| for (i = 0; i < CELL_MAX_SAMPLERS; i++) { |
| struct pipe_sampler_state *new_samp = i < num ? samplers[i] : NULL; |
| if (cell->sampler[i] != new_samp) { |
| cell->sampler[i] = new_samp; |
| changed |= (1 << i); |
| } |
| } |
| |
| if (changed) { |
| cell->dirty |= CELL_NEW_SAMPLER; |
| cell->dirty_samplers |= changed; |
| } |
| } |
| |
| |
| static void |
| cell_delete_sampler_state(struct pipe_context *pipe, |
| void *sampler) |
| { |
| FREE( sampler ); |
| } |
| |
| |
| |
| static void |
| cell_set_sampler_textures(struct pipe_context *pipe, |
| unsigned num, struct pipe_texture **texture) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| uint i, changed = 0x0; |
| |
| assert(num <= CELL_MAX_SAMPLERS); |
| |
| for (i = 0; i < CELL_MAX_SAMPLERS; i++) { |
| struct cell_texture *new_tex = cell_texture(i < num ? texture[i] : NULL); |
| struct cell_texture *old_tex = cell->texture[i]; |
| if (old_tex != new_tex) { |
| |
| pipe_texture_reference((struct pipe_texture **) &cell->texture[i], |
| (struct pipe_texture *) new_tex); |
| |
| changed |= (1 << i); |
| } |
| } |
| |
| cell->num_textures = num; |
| |
| if (changed) { |
| cell->dirty |= CELL_NEW_TEXTURE; |
| cell->dirty_textures |= changed; |
| } |
| } |
| |
| |
| /** |
| * Map color and z/stencil framebuffer surfaces. |
| */ |
| static void |
| cell_map_surfaces(struct cell_context *cell) |
| { |
| struct pipe_screen *screen = cell->pipe.screen; |
| uint i; |
| |
| for (i = 0; i < 1; i++) { |
| struct pipe_surface *ps = cell->framebuffer.cbufs[i]; |
| if (ps) { |
| struct cell_texture *ct = cell_texture(ps->texture); |
| cell->cbuf_map[i] = screen->buffer_map(screen, |
| ct->buffer, |
| (PIPE_BUFFER_USAGE_GPU_READ | |
| PIPE_BUFFER_USAGE_GPU_WRITE)); |
| } |
| } |
| |
| { |
| struct pipe_surface *ps = cell->framebuffer.zsbuf; |
| if (ps) { |
| struct cell_texture *ct = cell_texture(ps->texture); |
| cell->zsbuf_map = screen->buffer_map(screen, |
| ct->buffer, |
| (PIPE_BUFFER_USAGE_GPU_READ | |
| PIPE_BUFFER_USAGE_GPU_WRITE)); |
| } |
| } |
| } |
| |
| |
| /** |
| * Unmap color and z/stencil framebuffer surfaces. |
| */ |
| static void |
| cell_unmap_surfaces(struct cell_context *cell) |
| { |
| struct pipe_screen *screen = cell->pipe.screen; |
| uint i; |
| |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| struct pipe_surface *ps = cell->framebuffer.cbufs[i]; |
| if (ps && cell->cbuf_map[i]) { |
| struct cell_texture *ct = cell_texture(ps->texture); |
| assert(ps->texture); |
| assert(ct->buffer); |
| |
| screen->buffer_unmap(screen, ct->buffer); |
| cell->cbuf_map[i] = NULL; |
| } |
| } |
| |
| { |
| struct pipe_surface *ps = cell->framebuffer.zsbuf; |
| if (ps && cell->zsbuf_map) { |
| struct cell_texture *ct = cell_texture(ps->texture); |
| screen->buffer_unmap(screen, ct->buffer); |
| cell->zsbuf_map = NULL; |
| } |
| } |
| } |
| |
| |
| static void |
| cell_set_framebuffer_state(struct pipe_context *pipe, |
| const struct pipe_framebuffer_state *fb) |
| { |
| struct cell_context *cell = cell_context(pipe); |
| |
| if (1 /*memcmp(&cell->framebuffer, fb, sizeof(*fb))*/) { |
| uint i; |
| |
| /* unmap old surfaces */ |
| cell_unmap_surfaces(cell); |
| |
| /* Finish any pending rendering to the current surface before |
| * installing a new surface! |
| */ |
| cell_flush_int(cell, CELL_FLUSH_WAIT); |
| |
| /* update my state |
| * (this is also where old surfaces will finally get freed) |
| */ |
| cell->framebuffer.width = fb->width; |
| cell->framebuffer.height = fb->height; |
| cell->framebuffer.nr_cbufs = fb->nr_cbufs; |
| for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
| pipe_surface_reference(&cell->framebuffer.cbufs[i], fb->cbufs[i]); |
| } |
| pipe_surface_reference(&cell->framebuffer.zsbuf, fb->zsbuf); |
| |
| /* map new surfaces */ |
| cell_map_surfaces(cell); |
| |
| cell->dirty |= CELL_NEW_FRAMEBUFFER; |
| } |
| } |
| |
| |
| |
| void |
| cell_init_state_functions(struct cell_context *cell) |
| { |
| cell->pipe.create_blend_state = cell_create_blend_state; |
| cell->pipe.bind_blend_state = cell_bind_blend_state; |
| cell->pipe.delete_blend_state = cell_delete_blend_state; |
| |
| cell->pipe.create_sampler_state = cell_create_sampler_state; |
| cell->pipe.bind_fragment_sampler_states = cell_bind_sampler_states; |
| cell->pipe.delete_sampler_state = cell_delete_sampler_state; |
| |
| cell->pipe.set_fragment_sampler_textures = cell_set_sampler_textures; |
| |
| cell->pipe.create_depth_stencil_alpha_state = cell_create_depth_stencil_alpha_state; |
| cell->pipe.bind_depth_stencil_alpha_state = cell_bind_depth_stencil_alpha_state; |
| cell->pipe.delete_depth_stencil_alpha_state = cell_delete_depth_stencil_alpha_state; |
| |
| cell->pipe.create_rasterizer_state = cell_create_rasterizer_state; |
| cell->pipe.bind_rasterizer_state = cell_bind_rasterizer_state; |
| cell->pipe.delete_rasterizer_state = cell_delete_rasterizer_state; |
| |
| cell->pipe.set_blend_color = cell_set_blend_color; |
| cell->pipe.set_clip_state = cell_set_clip_state; |
| |
| cell->pipe.set_framebuffer_state = cell_set_framebuffer_state; |
| |
| cell->pipe.set_polygon_stipple = cell_set_polygon_stipple; |
| cell->pipe.set_scissor_state = cell_set_scissor_state; |
| cell->pipe.set_viewport_state = cell_set_viewport_state; |
| } |