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author | Zack Rusin <zackr@vmware.com> | 2009-10-24 01:05:40 -0400 |
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committer | Zack Rusin <zackr@vmware.com> | 2009-10-26 08:15:48 -0400 |
commit | a9f8baf00b264a9b370ecb611334af3063674ce5 (patch) | |
tree | 487fcef2fb9805db33c913b1c53bd9d6d070509d /src/gallium/state_trackers/xorg/xorg_xv.c | |
parent | 6b8ce4cc4f9acdd9227e26a812dd911f45b623a5 (diff) | |
download | external_mesa3d-a9f8baf00b264a9b370ecb611334af3063674ce5.zip external_mesa3d-a9f8baf00b264a9b370ecb611334af3063674ce5.tar.gz external_mesa3d-a9f8baf00b264a9b370ecb611334af3063674ce5.tar.bz2 |
st/xorg: add yuv vertex shader
plus some general fixes
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_xv.c')
-rw-r--r-- | src/gallium/state_trackers/xorg/xorg_xv.c | 167 |
1 files changed, 136 insertions, 31 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_xv.c b/src/gallium/state_trackers/xorg/xorg_xv.c index 6d057b4..983310f 100644 --- a/src/gallium/state_trackers/xorg/xorg_xv.c +++ b/src/gallium/state_trackers/xorg/xorg_xv.c @@ -6,6 +6,9 @@ #include "xorg_exa.h" #include "xorg_renderer.h" +#include "xorg_exa_tgsi.h" + +#include "cso_cache/cso_context.h" #include "pipe/p_screen.h" #include "pipe/p_inlines.h" @@ -280,43 +283,144 @@ copy_packed_data(ScrnInfoPtr pScrn, screen->tex_transfer_destroy(vtrans); } + +static void +setup_vs_video_constants(struct xorg_renderer *r, struct exa_pixmap_priv *dst) +{ + int width = dst->tex->width[0]; + int height = dst->tex->height[0]; + const int param_bytes = 8 * sizeof(float); + float vs_consts[8] = { + 2.f/width, 2.f/height, 1, 1, + -1, -1, 0, 0 + }; + + renderer_set_constants(r, PIPE_SHADER_VERTEX, + vs_consts, param_bytes); +} + static void -setup_video_constants(struct xorg_renderer *r, boolean hdtv) +setup_fs_video_constants(struct xorg_renderer *r, boolean hdtv) { - struct pipe_context *pipe = r->pipe; const int param_bytes = 12 * sizeof(float); - struct pipe_constant_buffer *cbuf = &r->fs_const_buffer; + const float *video_constants = (hdtv) ? bt_709 : bt_601; + + renderer_set_constants(r, PIPE_SHADER_FRAGMENT, + video_constants, param_bytes); +} + +static void +draw_yuv(struct xorg_xv_port_priv *port, int src_x, int src_y, + int dst_x, int dst_y, + int w, int h) +{ + int pos[4] = {src_x, src_y, + dst_x, dst_y}; + struct pipe_texture **textures = port->yuv[port->current_set]; + + renderer_draw_textures(port->r, + pos, w, h, + textures, + 3, /*bound samplers/textures */ + NULL, NULL /* no transformations */); +} + +static void +bind_blend_state(struct xorg_xv_port_priv *port) +{ + struct pipe_blend_state blend; + + memset(&blend, 0, sizeof(struct pipe_blend_state)); + blend.blend_enable = 1; + blend.colormask |= PIPE_MASK_RGBA; + + /* porter&duff src */ + blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE; + blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE; + blend.rgb_dst_factor = PIPE_BLENDFACTOR_ZERO; + blend.alpha_dst_factor = PIPE_BLENDFACTOR_ZERO; - pipe_buffer_reference(&cbuf->buffer, NULL); - cbuf->buffer = pipe_buffer_create(pipe->screen, 16, - PIPE_BUFFER_USAGE_CONSTANT, - param_bytes); + cso_set_blend(port->r->cso, &blend); +} + + +static void +bind_shaders(struct xorg_xv_port_priv *port) +{ + unsigned vs_traits = 0, fs_traits = 0; + struct xorg_shader shader; - if (cbuf->buffer) { - const float *video_constants = (hdtv) ? bt_709 : bt_601; + vs_traits |= VS_YUV; + fs_traits |= FS_YUV; - pipe_buffer_write(pipe->screen, cbuf->buffer, - 0, param_bytes, video_constants); + shader = xorg_shaders_get(port->r->shaders, vs_traits, fs_traits); + cso_set_vertex_shader_handle(port->r->cso, shader.vs); + cso_set_fragment_shader_handle(port->r->cso, shader.fs); +} + +static INLINE void +conditional_flush(struct pipe_context *pipe, struct pipe_texture **tex, + int num) +{ + int i; + for (i = 0; i < num; ++i) { + if (tex[i] && pipe->is_texture_referenced(pipe, tex[i], 0, 0) & + PIPE_REFERENCED_FOR_WRITE) { + pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + return; + } } - pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, 0, cbuf); +} + +static void +bind_samplers(struct xorg_xv_port_priv *port) +{ + struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; + struct pipe_sampler_state sampler; + struct pipe_texture **dst = port->yuv[port->current_set]; + + memset(&sampler, 0, sizeof(struct pipe_sampler_state)); + + conditional_flush(port->r->pipe, dst, 3); + + sampler.wrap_s = PIPE_TEX_WRAP_CLAMP; + sampler.wrap_t = PIPE_TEX_WRAP_CLAMP; + sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR; + sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST; + sampler.normalized_coords = 1; + + samplers[0] = &sampler; + samplers[1] = &sampler; + samplers[2] = &sampler; + + + cso_set_samplers(port->r->cso, 3, + (const struct pipe_sampler_state **)samplers); + cso_set_sampler_textures(port->r->cso, 3, + dst); } static int display_video(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *pPriv, int id, RegionPtr dstRegion, + int src_x, int src_y, int src_w, int src_h, + int dstX, int dstY, short width, short height, - int x1, int y1, int x2, int y2, - short src_w, short src_h, short drw_w, short drw_h, PixmapPtr pPixmap) { + modesettingPtr ms = modesettingPTR(pScrn); BoxPtr pbox; int nbox; int dxo, dyo; Bool hdtv; - float tc0[2], tc1[2], tc2[2]; + int x, y, w, h; + struct exa_pixmap_priv *dst = exaGetPixmapDriverPrivate(pPixmap); + + if (!dst || !dst->tex) + XORG_FALLBACK("Xv destination %s", !dst ? "!dst" : "!dst->tex"); hdtv = ((src_w >= RES_720P_X) && (src_h >= RES_720P_Y)); - setup_video_constants(pPriv->r, hdtv); REGION_TRANSLATE(pScrn->pScreen, dstRegion, -pPixmap->screen_x, -pPixmap->screen_y); @@ -327,32 +431,32 @@ display_video(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *pPriv, int id, pbox = REGION_RECTS(dstRegion); nbox = REGION_NUM_RECTS(dstRegion); + renderer_bind_framebuffer(pPriv->r, dst); + renderer_bind_viewport(pPriv->r, dst); + bind_blend_state(pPriv); + renderer_bind_rasterizer(pPriv->r); + bind_shaders(pPriv); + bind_samplers(pPriv); + setup_vs_video_constants(pPriv->r, dst); + setup_fs_video_constants(pPriv->r, hdtv); + while (nbox--) { int box_x1 = pbox->x1; int box_y1 = pbox->y1; int box_x2 = pbox->x2; int box_y2 = pbox->y2; - tc0[0] = (double) (box_x1 - dxo) / (double) drw_w; /* u0 */ - tc0[1] = (double) (box_y1 - dyo) / (double) drw_h; /* v0 */ - tc1[0] = (double) (box_x2 - dxo) / (double) drw_w; /* u1 */ - tc1[1] = tc0[1]; - tc2[0] = tc0[0]; - tc2[1] = (double) (box_y2 - dyo) / (double) drw_h; /* v1 */ - -#if 0 x = box_x1; y = box_y1; w = box_x2 - box_x1; h = box_y2 - box_y1; + draw_yuv(pPriv, x, y, x, y, w, h); + pbox++; - draw_yuv(pScrn, x, y, w, h, &src, 1, FALSE, - 0, tc0, tc1, tc2, 1, - pPriv->conversionData); -#endif } DamageDamageRegion(&pPixmap->drawable, dstRegion); + return TRUE; } @@ -412,9 +516,10 @@ put_image(ScrnInfoPtr pScrn, pPixmap = (PixmapPtr)pDraw; } - display_video(pScrn, pPriv, id, clipBoxes, width, height, - x1, y1, x2, y2, - src_w, src_h, drw_w, drw_h, pPixmap); + display_video(pScrn, pPriv, id, clipBoxes, + src_x, src_y, src_w, src_h, + drw_x, drw_y, + drw_w, drw_h, pPixmap); pPriv->current_set = (pPriv->current_set + 1) & 1; return Success; |