diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_state_tss.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_state_tss.c | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_state_tss.c b/src/gallium/drivers/svga/svga_state_tss.c new file mode 100644 index 0000000..b313794 --- /dev/null +++ b/src/gallium/drivers/svga/svga_state_tss.c @@ -0,0 +1,279 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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_inlines.h" +#include "pipe/p_defines.h" +#include "util/u_math.h" + +#include "svga_screen_texture.h" +#include "svga_winsys.h" +#include "svga_context.h" +#include "svga_state.h" +#include "svga_cmd.h" + +#include "svga_hw_reg.h" + + +void svga_cleanup_tss_binding(struct svga_context *svga) +{ + int i; + unsigned count = MAX2( svga->curr.num_textures, + svga->state.hw_draw.num_views ); + + for (i = 0; i < count; i++) { + struct svga_hw_view_state *view = &svga->state.hw_draw.views[i]; + + svga_sampler_view_reference(&view->v, NULL); + pipe_texture_reference( &svga->curr.texture[i], NULL ); + pipe_texture_reference( &view->texture, NULL ); + + view->dirty = 1; + } +} + + +static int +update_tss_binding(struct svga_context *svga, + unsigned dirty ) +{ + unsigned i; + unsigned count = MAX2( svga->curr.num_textures, + svga->state.hw_draw.num_views ); + unsigned min_lod; + unsigned max_lod; + + + struct { + struct { + unsigned unit; + struct svga_hw_view_state *view; + } bind[PIPE_MAX_SAMPLERS]; + + unsigned bind_count; + } queue; + + queue.bind_count = 0; + + for (i = 0; i < count; i++) { + const struct svga_sampler_state *s = svga->curr.sampler[i]; + struct svga_hw_view_state *view = &svga->state.hw_draw.views[i]; + + /* get min max lod */ + if (svga->curr.texture[i]) { + min_lod = MAX2(s->view_min_lod, 0); + max_lod = MIN2(s->view_max_lod, svga->curr.texture[i]->last_level); + } else { + min_lod = 0; + max_lod = 0; + } + + if (view->texture != svga->curr.texture[i] || + view->min_lod != min_lod || + view->max_lod != max_lod) { + + svga_sampler_view_reference(&view->v, NULL); + pipe_texture_reference( &view->texture, svga->curr.texture[i] ); + + view->dirty = TRUE; + view->min_lod = min_lod; + view->max_lod = max_lod; + + if (svga->curr.texture[i]) + view->v = svga_get_tex_sampler_view(&svga->pipe, + svga->curr.texture[i], + min_lod, + max_lod); + } + + if (view->dirty) { + queue.bind[queue.bind_count].unit = i; + queue.bind[queue.bind_count].view = view; + queue.bind_count++; + } + else if (view->v) { + svga_validate_sampler_view(svga, view->v); + } + } + + svga->state.hw_draw.num_views = svga->curr.num_textures; + + if (queue.bind_count) { + SVGA3dTextureState *ts; + + if (SVGA3D_BeginSetTextureState( svga->swc, + &ts, + queue.bind_count ) != PIPE_OK) + goto fail; + + for (i = 0; i < queue.bind_count; i++) { + ts[i].stage = queue.bind[i].unit; + ts[i].name = SVGA3D_TS_BIND_TEXTURE; + + if (queue.bind[i].view->v) { + svga->swc->surface_relocation(svga->swc, + &ts[i].value, + queue.bind[i].view->v->handle, + PIPE_BUFFER_USAGE_GPU_READ); + } + else { + ts[i].value = SVGA3D_INVALID_ID; + } + + queue.bind[i].view->dirty = FALSE; + } + + SVGA_FIFOCommitAll( svga->swc ); + } + + return 0; + +fail: + return PIPE_ERROR_OUT_OF_MEMORY; +} + + +struct svga_tracked_state svga_hw_tss_binding = { + "texture binding emit", + SVGA_NEW_TEXTURE_BINDING | + SVGA_NEW_SAMPLER, + update_tss_binding +}; + + +/*********************************************************************** + */ + +struct ts_queue { + unsigned ts_count; + SVGA3dTextureState ts[PIPE_MAX_SAMPLERS*SVGA3D_TS_MAX]; +}; + + +#define EMIT_TS(svga, unit, val, token, fail) \ +do { \ + if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) { \ + svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val ); \ + svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val; \ + } \ +} while (0) + +#define EMIT_TS_FLOAT(svga, unit, fvalue, token, fail) \ +do { \ + unsigned val = fui(fvalue); \ + if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) { \ + svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val ); \ + svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val; \ + } \ +} while (0) + + +static INLINE void +svga_queue_tss( struct ts_queue *q, + unsigned unit, + unsigned tss, + unsigned value ) +{ + assert(q->ts_count < sizeof(q->ts)/sizeof(q->ts[0])); + q->ts[q->ts_count].stage = unit; + q->ts[q->ts_count].name = tss; + q->ts[q->ts_count].value = value; + q->ts_count++; +} + + +static int +update_tss(struct svga_context *svga, + unsigned dirty ) +{ + unsigned i; + struct ts_queue queue; + + queue.ts_count = 0; + for (i = 0; i < svga->curr.num_samplers; i++) { + if (svga->curr.sampler[i]) { + const struct svga_sampler_state *curr = svga->curr.sampler[i]; + + EMIT_TS(svga, i, curr->mipfilter, MIPFILTER, fail); + EMIT_TS(svga, i, curr->min_lod, TEXTURE_MIPMAP_LEVEL, fail); + EMIT_TS(svga, i, curr->magfilter, MAGFILTER, fail); + EMIT_TS(svga, i, curr->minfilter, MINFILTER, fail); + EMIT_TS(svga, i, curr->aniso_level, TEXTURE_ANISOTROPIC_LEVEL, fail); + EMIT_TS_FLOAT(svga, i, curr->lod_bias, TEXTURE_LOD_BIAS, fail); + EMIT_TS(svga, i, curr->addressu, ADDRESSU, fail); + EMIT_TS(svga, i, curr->addressw, ADDRESSW, fail); + EMIT_TS(svga, i, curr->bordercolor, BORDERCOLOR, fail); + // TEXCOORDINDEX -- hopefully not needed + + if (svga->curr.tex_flags.flag_1d & (1 << i)) { + debug_printf("wrap 1d tex %d\n", i); + EMIT_TS(svga, i, SVGA3D_TEX_ADDRESS_WRAP, ADDRESSV, fail); + } + else + EMIT_TS(svga, i, curr->addressv, ADDRESSV, fail); + + if (svga->curr.tex_flags.flag_srgb & (1 << i)) + EMIT_TS_FLOAT(svga, i, 2.2f, GAMMA, fail); + else + EMIT_TS_FLOAT(svga, i, 1.0f, GAMMA, fail); + + } + } + + if (queue.ts_count) { + SVGA3dTextureState *ts; + + if (SVGA3D_BeginSetTextureState( svga->swc, + &ts, + queue.ts_count ) != PIPE_OK) + goto fail; + + memcpy( ts, + queue.ts, + queue.ts_count * sizeof queue.ts[0]); + + SVGA_FIFOCommitAll( svga->swc ); + } + + return 0; + +fail: + /* XXX: need to poison cached hardware state on failure to ensure + * dirty state gets re-emitted. Fix this by re-instating partial + * FIFOCommit command and only updating cached hw state once the + * initial allocation has succeeded. + */ + memset(svga->state.hw_draw.ts, 0xcd, sizeof(svga->state.hw_draw.ts)); + + return PIPE_ERROR_OUT_OF_MEMORY; +} + + +struct svga_tracked_state svga_hw_tss = { + "texture state emit", + (SVGA_NEW_SAMPLER | + SVGA_NEW_TEXTURE_FLAGS), + update_tss +}; + |