diff options
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_composite.c')
| -rw-r--r-- | src/gallium/state_trackers/xorg/xorg_composite.c | 279 |
1 files changed, 197 insertions, 82 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_composite.c b/src/gallium/state_trackers/xorg/xorg_composite.c index 6871625605..e039bb12b6 100644 --- a/src/gallium/state_trackers/xorg/xorg_composite.c +++ b/src/gallium/state_trackers/xorg/xorg_composite.c @@ -9,37 +9,47 @@ #include "pipe/p_inlines.h" +/*XXX also in Xrender.h but the including it here breaks compilition */ +#define XFixedToDouble(f) (((double) (f)) / 65536.) + struct xorg_composite_blend { - int op:8; + int op : 8; - unsigned rgb_src_factor:5; /**< PIPE_BLENDFACTOR_x */ - unsigned alpha_src_factor:5; /**< PIPE_BLENDFACTOR_x */ + unsigned alpha_dst : 4; + unsigned alpha_src : 4; - unsigned rgb_dst_factor:5; /**< PIPE_BLENDFACTOR_x */ - unsigned alpha_dst_factor:5; /**< PIPE_BLENDFACTOR_x */ + unsigned rgb_src : 8; /**< PIPE_BLENDFACTOR_x */ + unsigned rgb_dst : 8; /**< PIPE_BLENDFACTOR_x */ }; #define BLEND_OP_OVER 3 static const struct xorg_composite_blend xorg_blends[] = { { PictOpClear, - PIPE_BLENDFACTOR_CONST_COLOR, PIPE_BLENDFACTOR_CONST_ALPHA, - PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO }, - + 0, 0, PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO}, { PictOpSrc, - PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ONE, - PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO }, - + 0, 0, PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ZERO}, { PictOpDst, - PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ZERO, - PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ONE }, - + 0, 0, PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_ONE}, { PictOpOver, - PIPE_BLENDFACTOR_SRC_ALPHA, PIPE_BLENDFACTOR_ONE, - PIPE_BLENDFACTOR_INV_SRC_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA }, - + 0, 1, PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_INV_SRC_ALPHA}, { PictOpOverReverse, - PIPE_BLENDFACTOR_SRC_ALPHA, PIPE_BLENDFACTOR_ONE, - PIPE_BLENDFACTOR_INV_SRC_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA }, + 1, 0, PIPE_BLENDFACTOR_INV_DST_ALPHA, PIPE_BLENDFACTOR_ONE}, + { PictOpIn, + 1, 0, PIPE_BLENDFACTOR_DST_ALPHA, PIPE_BLENDFACTOR_ZERO}, + { PictOpInReverse, + 0, 1, PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_SRC_ALPHA}, + { PictOpOut, + 1, 0, PIPE_BLENDFACTOR_INV_DST_ALPHA, PIPE_BLENDFACTOR_ZERO}, + { PictOpOutReverse, + 0, 1, PIPE_BLENDFACTOR_ZERO, PIPE_BLENDFACTOR_INV_SRC_ALPHA}, + { PictOpAtop, + 1, 1, PIPE_BLENDFACTOR_DST_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA}, + { PictOpAtopReverse, + 1, 1, PIPE_BLENDFACTOR_INV_DST_ALPHA, PIPE_BLENDFACTOR_SRC_ALPHA}, + { PictOpXor, + 1, 1, PIPE_BLENDFACTOR_INV_DST_ALPHA, PIPE_BLENDFACTOR_INV_SRC_ALPHA}, + { PictOpAdd, + 0, 0, PIPE_BLENDFACTOR_ONE, PIPE_BLENDFACTOR_ONE}, }; @@ -58,40 +68,48 @@ pixel_to_float4(Pixel pixel, float *color) color[3] = ((float)a) / 255.; } -struct acceleration_info { - int op : 16; - int with_mask : 1; - int component_alpha : 1; -}; -static const struct acceleration_info accelerated_ops[] = { - {PictOpClear, 1, 0}, - {PictOpSrc, 1, 0}, - {PictOpDst, 1, 0}, - {PictOpOver, 1, 0}, - {PictOpOverReverse, 1, 0}, - {PictOpIn, 1, 0}, - {PictOpInReverse, 1, 0}, - {PictOpOut, 1, 0}, - {PictOpOutReverse, 1, 0}, - {PictOpAtop, 1, 0}, - {PictOpAtopReverse, 1, 0}, - {PictOpXor, 1, 0}, - {PictOpAdd, 1, 0}, - {PictOpSaturate, 1, 0}, -}; - -static struct xorg_composite_blend -blend_for_op(int op) +static boolean +blend_for_op(struct xorg_composite_blend *blend, + int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, + PicturePtr pDstPicture) { const int num_blends = sizeof(xorg_blends)/sizeof(struct xorg_composite_blend); int i; + boolean supported = FALSE; + + /* our default in case something goes wrong */ + *blend = xorg_blends[BLEND_OP_OVER]; for (i = 0; i < num_blends; ++i) { - if (xorg_blends[i].op == op) - return xorg_blends[i]; + if (xorg_blends[i].op == op) { + *blend = xorg_blends[i]; + supported = TRUE; + } } - return xorg_blends[BLEND_OP_OVER]; + + /* If there's no dst alpha channel, adjust the blend op so that we'll treat + * it as always 1. */ + if (pDstPicture && + PICT_FORMAT_A(pDstPicture->format) == 0 && blend->alpha_dst) { + if (blend->rgb_src == PIPE_BLENDFACTOR_DST_ALPHA) + blend->rgb_src = PIPE_BLENDFACTOR_ONE; + else if (blend->rgb_src == PIPE_BLENDFACTOR_INV_DST_ALPHA) + blend->rgb_src = PIPE_BLENDFACTOR_ZERO; + } + + /* If the source alpha is being used, then we should only be in a case where + * the source blend factor is 0, and the source blend value is the mask + * channels multiplied by the source picture's alpha. */ + if (pMaskPicture && pMaskPicture->componentAlpha && + PICT_FORMAT_RGB(pMaskPicture->format) && blend->alpha_src) { + if (blend->rgb_dst == PIPE_BLENDFACTOR_SRC_ALPHA) { + blend->rgb_dst = PIPE_BLENDFACTOR_SRC_COLOR; + } else if (blend->rgb_dst == PIPE_BLENDFACTOR_INV_SRC_ALPHA) { + blend->rgb_dst = PIPE_BLENDFACTOR_INV_SRC_COLOR; + } + } + return supported; } static INLINE int @@ -112,6 +130,43 @@ render_repeat_to_gallium(int mode) return PIPE_TEX_WRAP_REPEAT; } +static INLINE boolean +render_filter_to_gallium(int xrender_filter, int *out_filter) +{ + + switch (xrender_filter) { + case PictFilterNearest: + *out_filter = PIPE_TEX_FILTER_NEAREST; + break; + case PictFilterBilinear: + *out_filter = PIPE_TEX_FILTER_LINEAR; + break; + case PictFilterFast: + *out_filter = PIPE_TEX_FILTER_NEAREST; + break; + case PictFilterGood: + *out_filter = PIPE_TEX_FILTER_LINEAR; + break; + case PictFilterBest: + *out_filter = PIPE_TEX_FILTER_LINEAR; + break; + default: + debug_printf("Unkown xrender filter"); + *out_filter = PIPE_TEX_FILTER_NEAREST; + return FALSE; + } + + return TRUE; +} + +static boolean is_filter_accelerated(PicturePtr pic) +{ + int filter; + if (pic && !render_filter_to_gallium(pic->filter, &filter)) + return FALSE; + return TRUE; +} + boolean xorg_composite_accelerated(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, @@ -120,51 +175,53 @@ boolean xorg_composite_accelerated(int op, ScreenPtr pScreen = pDstPicture->pDrawable->pScreen; ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; modesettingPtr ms = modesettingPTR(pScrn); - unsigned i; - unsigned accel_ops_count = - sizeof(accelerated_ops)/sizeof(struct acceleration_info); + struct xorg_composite_blend blend; + + if (!is_filter_accelerated(pSrcPicture) || + !is_filter_accelerated(pMaskPicture)) { + XORG_FALLBACK("Unsupported Xrender filter"); + } if (pSrcPicture->pSourcePict) { if (pSrcPicture->pSourcePict->type != SourcePictTypeSolidFill) - XORG_FALLBACK("gradients not enabled (haven't been well tested)"); + XORG_FALLBACK("Gradients not enabled (haven't been well tested)"); } - for (i = 0; i < accel_ops_count; ++i) { - if (op == accelerated_ops[i].op) { - /* Check for unsupported component alpha */ - if ((pSrcPicture->componentAlpha && - !accelerated_ops[i].component_alpha) || - (pMaskPicture && - (!accelerated_ops[i].with_mask || - (pMaskPicture->componentAlpha && - !accelerated_ops[i].component_alpha)))) - XORG_FALLBACK("component alpha unsupported"); - return TRUE; + if (blend_for_op(&blend, op, + pSrcPicture, pMaskPicture, pDstPicture)) { + /* Check for component alpha */ + if (pMaskPicture && pMaskPicture->componentAlpha && + PICT_FORMAT_RGB(pMaskPicture->format)) { + if (blend.alpha_src && blend.rgb_src != PIPE_BLENDFACTOR_ZERO) { + XORG_FALLBACK("Component alpha not supported with source " + "alpha and source value blending. (op=%d)", + op); + } } + return TRUE; } - XORG_FALLBACK("unsupported operation"); + XORG_FALLBACK("Unsupported composition operation = %d", op); } static void bind_blend_state(struct exa_context *exa, int op, - PicturePtr pSrcPicture, PicturePtr pMaskPicture) + PicturePtr pSrcPicture, + PicturePtr pMaskPicture, + PicturePtr pDstPicture) { struct xorg_composite_blend blend_opt; struct pipe_blend_state blend; - blend_opt = blend_for_op(op); + blend_for_op(&blend_opt, op, pSrcPicture, pMaskPicture, pDstPicture); memset(&blend, 0, sizeof(struct pipe_blend_state)); blend.blend_enable = 1; - blend.colormask |= PIPE_MASK_R; - blend.colormask |= PIPE_MASK_G; - blend.colormask |= PIPE_MASK_B; - blend.colormask |= PIPE_MASK_A; + blend.colormask |= PIPE_MASK_RGBA; - blend.rgb_src_factor = blend_opt.rgb_src_factor; - blend.alpha_src_factor = blend_opt.alpha_src_factor; - blend.rgb_dst_factor = blend_opt.rgb_dst_factor; - blend.alpha_dst_factor = blend_opt.alpha_dst_factor; + blend.rgb_src_factor = blend_opt.rgb_src; + blend.alpha_src_factor = blend_opt.rgb_src; + blend.rgb_dst_factor = blend_opt.rgb_dst; + blend.alpha_dst_factor = blend_opt.rgb_dst; cso_set_blend(exa->renderer->cso, &blend); } @@ -200,6 +257,8 @@ bind_shaders(struct exa_context *exa, int op, if (pMaskPicture) { vs_traits |= VS_MASK; fs_traits |= FS_MASK; + if (pMaskPicture->componentAlpha) + fs_traits |= FS_COMPONENT_ALPHA; } shader = xorg_shaders_get(exa->renderer->shaders, vs_traits, fs_traits); @@ -207,7 +266,6 @@ bind_shaders(struct exa_context *exa, int op, cso_set_fragment_shader_handle(exa->renderer->cso, shader.fs); } - static void bind_samplers(struct exa_context *exa, int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, @@ -233,10 +291,15 @@ bind_samplers(struct exa_context *exa, int op, if (pSrcPicture && pSrc) { unsigned src_wrap = render_repeat_to_gallium( pSrcPicture->repeatType); + int filter; + + render_filter_to_gallium(pSrcPicture->filter, &filter); + src_sampler.wrap_s = src_wrap; src_sampler.wrap_t = src_wrap; - src_sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST; - src_sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + src_sampler.min_img_filter = filter; + src_sampler.mag_img_filter = filter; + src_sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST; src_sampler.normalized_coords = 1; samplers[0] = &src_sampler; exa->bound_textures[0] = pSrc->tex; @@ -246,10 +309,15 @@ bind_samplers(struct exa_context *exa, int op, if (pMaskPicture && pMask) { unsigned mask_wrap = render_repeat_to_gallium( pMaskPicture->repeatType); + int filter; + + render_filter_to_gallium(pMaskPicture->filter, &filter); + mask_sampler.wrap_s = mask_wrap; mask_sampler.wrap_t = mask_wrap; - mask_sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST; - mask_sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + mask_sampler.min_img_filter = filter; + mask_sampler.mag_img_filter = filter; + src_sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NEAREST; mask_sampler.normalized_coords = 1; samplers[1] = &mask_sampler; exa->bound_textures[1] = pMask->tex; @@ -297,6 +365,44 @@ setup_constant_buffers(struct exa_context *exa, struct exa_pixmap_priv *pDst) setup_fs_constant_buffer(exa); } +static INLINE boolean matrix_from_pict_transform(PictTransform *trans, float *matrix) +{ + if (!trans) + return FALSE; + + matrix[0] = XFixedToDouble(trans->matrix[0][0]); + matrix[1] = XFixedToDouble(trans->matrix[0][1]); + matrix[2] = XFixedToDouble(trans->matrix[0][2]); + + matrix[3] = XFixedToDouble(trans->matrix[1][0]); + matrix[4] = XFixedToDouble(trans->matrix[1][1]); + matrix[5] = XFixedToDouble(trans->matrix[1][2]); + + matrix[6] = XFixedToDouble(trans->matrix[2][0]); + matrix[7] = XFixedToDouble(trans->matrix[2][1]); + matrix[8] = XFixedToDouble(trans->matrix[2][2]); + + return TRUE; +} + +static void +setup_transforms(struct exa_context *exa, + PicturePtr pSrcPicture, PicturePtr pMaskPicture) +{ + PictTransform *src_t = NULL; + PictTransform *mask_t = NULL; + + if (pSrcPicture) + src_t = pSrcPicture->transform; + if (pMaskPicture) + mask_t = pMaskPicture->transform; + + exa->transform.has_src = + matrix_from_pict_transform(src_t, exa->transform.src); + exa->transform.has_mask = + matrix_from_pict_transform(mask_t, exa->transform.mask); +} + boolean xorg_composite_bind_state(struct exa_context *exa, int op, PicturePtr pSrcPicture, @@ -308,13 +414,15 @@ boolean xorg_composite_bind_state(struct exa_context *exa, { renderer_bind_framebuffer(exa->renderer, pDst); renderer_bind_viewport(exa->renderer, pDst); - bind_blend_state(exa, op, pSrcPicture, pMaskPicture); + bind_blend_state(exa, op, pSrcPicture, pMaskPicture, pDstPicture); renderer_bind_rasterizer(exa->renderer); bind_shaders(exa, op, pSrcPicture, pMaskPicture); bind_samplers(exa, op, pSrcPicture, pMaskPicture, pDstPicture, pSrc, pMask, pDst); setup_constant_buffers(exa, pDst); + setup_transforms(exa, pSrcPicture, pMaskPicture); + return TRUE; } @@ -329,10 +437,19 @@ void xorg_composite(struct exa_context *exa, exa->solid_color); } else { int pos[6] = {srcX, srcY, maskX, maskY, dstX, dstY}; + float *src_matrix = NULL; + float *mask_matrix = NULL; + + if (exa->transform.has_src) + src_matrix = exa->transform.src; + if (exa->transform.has_mask) + mask_matrix = exa->transform.mask; + renderer_draw_textures(exa->renderer, pos, width, height, exa->bound_textures, - exa->num_bound_samplers); + exa->num_bound_samplers, + src_matrix, mask_matrix); } } @@ -346,8 +463,6 @@ boolean xorg_solid_bind_state(struct exa_context *exa, pixel_to_float4(fg, exa->solid_color); exa->has_solid_color = TRUE; - exa->solid_color[3] = 1.f; - #if 0 debug_printf("Color Pixel=(%d, %d, %d, %d), RGBA=(%f, %f, %f, %f)\n", (fg >> 24) & 0xff, (fg >> 16) & 0xff, @@ -362,7 +477,7 @@ boolean xorg_solid_bind_state(struct exa_context *exa, renderer_bind_framebuffer(exa->renderer, pixmap); renderer_bind_viewport(exa->renderer, pixmap); renderer_bind_rasterizer(exa->renderer); - bind_blend_state(exa, PictOpSrc, NULL, NULL); + bind_blend_state(exa, PictOpSrc, NULL, NULL, NULL); setup_constant_buffers(exa, pixmap); shader = xorg_shaders_get(exa->renderer->shaders, vs_traits, fs_traits); 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