From 35a15f02634a31c1517363d91aaef8f190e24687 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Thu, 3 Dec 2009 23:15:38 +0100 Subject: [PATCH 01/10] gallium: fix reference counting functions to be strict-aliasing compliant Historically, parts of mesa code are not strict-aliasing safe, hence -fno-strict-aliasing is needed to compile (this got forgotten for scons builds for gallium, which indeed not only caused compiler warnings but also unexplicable crashes in non-debug builds). However, we should try to eliminate code not complying with strict-aliasing code at least for gallium. Hence change pipe_reference functions to make them strict-aliasing compliant. This adds a bit more complexity (especially for derived classes) but is the right thing to do, and it does in fact fix a segfault. --- src/gallium/auxiliary/pipebuffer/pb_buffer.h | 3 ++- .../auxiliary/pipebuffer/pb_buffer_fenced.c | 5 ++++- .../auxiliary/pipebuffer/pb_bufmgr_cache.c | 3 +++ src/gallium/drivers/svga/svga_screen_texture.h | 3 ++- src/gallium/include/pipe/p_refcnt.h | 18 ++++++++---------- src/gallium/include/pipe/p_state.h | 9 ++++++--- src/gallium/include/pipe/p_video_state.h | 3 ++- 7 files changed, 27 insertions(+), 17 deletions(-) diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h index 4ef372233f0..eb7e84be848 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h @@ -237,8 +237,9 @@ pb_reference(struct pb_buffer **dst, { struct pb_buffer *old = *dst; - if (pipe_reference((struct pipe_reference**)dst, &src->base.reference)) + if (pipe_reference(&(*dst)->base.reference, &src->base.reference)) pb_destroy( old ); + *dst = src; } diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c index 2f973684f67..a9375abd218 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c @@ -243,6 +243,7 @@ fenced_buffer_list_check_free_locked(struct fenced_buffer_list *fenced_list, struct pb_fence_ops *ops = fenced_list->ops; struct list_head *curr, *next; struct fenced_buffer *fenced_buf; + struct pb_buffer *pb_buf; struct pipe_fence_handle *prev_fence = NULL; curr = fenced_list->delayed.next; @@ -271,7 +272,9 @@ fenced_buffer_list_check_free_locked(struct fenced_buffer_list *fenced_list, fenced_buffer_remove_locked(fenced_list, fenced_buf); pipe_mutex_unlock(fenced_buf->mutex); - pb_reference((struct pb_buffer **)&fenced_buf, NULL); + pb_buf = &fenced_buf->base; + pb_reference(&pb_buf, NULL); + curr = next; next = curr->next; diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c index 57d1ede45a4..f0c88a0ccbf 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c @@ -293,8 +293,11 @@ pb_cache_manager_create_buffer(struct pb_manager *_mgr, if(buf) { LIST_DEL(&buf->head); pipe_mutex_unlock(mgr->mutex); +#if 0 + /* XXX this didn't do anything right??? */ /* Increase refcount */ pb_reference((struct pb_buffer**)&buf, &buf->base); +#endif return &buf->base; } diff --git a/src/gallium/drivers/svga/svga_screen_texture.h b/src/gallium/drivers/svga/svga_screen_texture.h index 1cc4063e653..727f2c51d28 100644 --- a/src/gallium/drivers/svga/svga_screen_texture.h +++ b/src/gallium/drivers/svga/svga_screen_texture.h @@ -164,8 +164,9 @@ svga_sampler_view_reference(struct svga_sampler_view **ptr, struct svga_sampler_ { struct svga_sampler_view *old = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &v->reference)) + if (pipe_reference(&(*ptr)->reference, &v->reference)) svga_destroy_sampler_view_priv(old); + *ptr = v; } extern void diff --git a/src/gallium/include/pipe/p_refcnt.h b/src/gallium/include/pipe/p_refcnt.h index 1f9088b3e9c..f1875b6b822 100644 --- a/src/gallium/include/pipe/p_refcnt.h +++ b/src/gallium/include/pipe/p_refcnt.h @@ -59,30 +59,28 @@ pipe_is_referenced(struct pipe_reference *reference) /** - * Set 'ptr' to point to 'reference' and update reference counting. - * The old thing pointed to, if any, will be unreferenced first. - * 'reference' may be NULL. + * Update reference counting. + * The old thing pointed to, if any, will be unreferenced. + * Both 'ptr' and 'reference' may be NULL. */ static INLINE bool -pipe_reference(struct pipe_reference **ptr, struct pipe_reference *reference) +pipe_reference(struct pipe_reference *ptr, struct pipe_reference *reference) { bool destroy = FALSE; - if(*ptr != reference) { + if(ptr != reference) { /* bump the reference.count first */ if (reference) { assert(pipe_is_referenced(reference)); p_atomic_inc(&reference->count); } - if (*ptr) { - assert(pipe_is_referenced(*ptr)); - if (p_atomic_dec_zero(&(*ptr)->count)) { + if (ptr) { + assert(pipe_is_referenced(ptr)); + if (p_atomic_dec_zero(&ptr->count)) { destroy = TRUE; } } - - *ptr = reference; } return destroy; diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h index 6de7af6a81c..b9dfa1c7d3c 100644 --- a/src/gallium/include/pipe/p_state.h +++ b/src/gallium/include/pipe/p_state.h @@ -400,8 +400,9 @@ pipe_buffer_reference(struct pipe_buffer **ptr, struct pipe_buffer *buf) { struct pipe_buffer *old_buf = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &buf->reference)) + if (pipe_reference(&(*ptr)->reference, &buf->reference)) old_buf->screen->buffer_destroy(old_buf); + *ptr = buf; } static INLINE void @@ -409,8 +410,9 @@ pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf) { struct pipe_surface *old_surf = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &surf->reference)) + if (pipe_reference(&(*ptr)->reference, &surf->reference)) old_surf->texture->screen->tex_surface_destroy(old_surf); + *ptr = surf; } static INLINE void @@ -418,8 +420,9 @@ pipe_texture_reference(struct pipe_texture **ptr, struct pipe_texture *tex) { struct pipe_texture *old_tex = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &tex->reference)) + if (pipe_reference(&(*ptr)->reference, &tex->reference)) old_tex->screen->texture_destroy(old_tex); + *ptr = tex; } diff --git a/src/gallium/include/pipe/p_video_state.h b/src/gallium/include/pipe/p_video_state.h index 4da26d608cf..b85f01c2b02 100644 --- a/src/gallium/include/pipe/p_video_state.h +++ b/src/gallium/include/pipe/p_video_state.h @@ -56,8 +56,9 @@ pipe_video_surface_reference(struct pipe_video_surface **ptr, struct pipe_video_ { struct pipe_video_surface *old_surf = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &surf->reference)) + if (pipe_reference(&(*ptr)->reference, &surf->reference)) old_surf->screen->video_surface_destroy(old_surf); + *ptr = surf; } struct pipe_video_rect From 13c647fa0d3e361efbb10a6d313bdc6bf7c890e8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Fonseca?= Date: Thu, 3 Dec 2009 23:20:56 +0100 Subject: [PATCH 02/10] gallium: fix ref counting bug in pb_bufmgr This was discovered by the pipe_reference api change. --- src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c index f0c88a0ccbf..7b34c8e3578 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c @@ -293,11 +293,8 @@ pb_cache_manager_create_buffer(struct pb_manager *_mgr, if(buf) { LIST_DEL(&buf->head); pipe_mutex_unlock(mgr->mutex); -#if 0 - /* XXX this didn't do anything right??? */ /* Increase refcount */ - pb_reference((struct pb_buffer**)&buf, &buf->base); -#endif + pipe_reference(NULL, &buf->base.base.reference); return &buf->base; } From 86c8f70db10a584aa78e4d5f397ad3543fdb77d2 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Thu, 3 Dec 2009 23:26:13 +0100 Subject: [PATCH 03/10] mesa: use _mesa_memcpy for COPY_4FV macro Gets rid of one of the worst strict-aliasing offenders, and actually produces faster code (at least in some cases, when compiler can use for instance 64bit moves for memcpy). (note _mesa_memcpy should get inlined) --- src/mesa/main/macros.h | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 3d9a1aba98d..f0ea463fb92 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -202,17 +202,12 @@ do { \ #endif /** - * Copy a 4-element float vector (avoid using FPU registers) - * XXX Could use two 64-bit moves on 64-bit systems + * Copy a 4-element float vector + * memcpy seems to be most efficient */ #define COPY_4FV( DST, SRC ) \ do { \ - const GLuint *_s = (const GLuint *) (SRC); \ - GLuint *_d = (GLuint *) (DST); \ - _d[0] = _s[0]; \ - _d[1] = _s[1]; \ - _d[2] = _s[2]; \ - _d[3] = _s[3]; \ + _mesa_memcpy(DST, SRC, sizeof(GLfloat) * 4); \ } while (0) /** Copy \p SZ elements into a 4-element vector */ From 4153ec547cfb7fcb26bbeb09ac9ef19fe88d3e4e Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Thu, 3 Dec 2009 23:58:30 +0100 Subject: [PATCH 04/10] gallium: fix remaining users of pipe_reference function --- src/gallium/drivers/nouveau/nouveau_stateobj.h | 3 ++- src/gallium/state_trackers/python/st_device.c | 3 ++- src/gallium/winsys/drm/intel/gem/intel_drm_fence.c | 3 ++- src/gallium/winsys/drm/vmware/core/vmw_surface.c | 2 +- 4 files changed, 7 insertions(+), 4 deletions(-) diff --git a/src/gallium/drivers/nouveau/nouveau_stateobj.h b/src/gallium/drivers/nouveau/nouveau_stateobj.h index b595405357f..62990f9b6a6 100644 --- a/src/gallium/drivers/nouveau/nouveau_stateobj.h +++ b/src/gallium/drivers/nouveau/nouveau_stateobj.h @@ -48,13 +48,14 @@ so_ref(struct nouveau_stateobj *ref, struct nouveau_stateobj **pso) struct nouveau_stateobj *so = *pso; int i; - if (pipe_reference((struct pipe_reference**)pso, &ref->reference)) { + if (pipe_reference(&(*pso)->reference, &ref->reference)) { free(so->push); for (i = 0; i < so->cur_reloc; i++) nouveau_bo_ref(NULL, &so->reloc[i].bo); free(so->reloc); free(so); } + *pso = ref; } static INLINE void diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c index a791113abac..f19cf4b5771 100644 --- a/src/gallium/state_trackers/python/st_device.c +++ b/src/gallium/state_trackers/python/st_device.c @@ -62,8 +62,9 @@ st_device_reference(struct st_device **ptr, struct st_device *st_dev) { struct st_device *old_dev = *ptr; - if (pipe_reference((struct pipe_reference **)ptr, &st_dev->reference)) + if (pipe_reference(&(*ptr)->reference, &st_dev->reference)) st_device_really_destroy(old_dev); + *ptr = st_dev; } diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_fence.c b/src/gallium/winsys/drm/intel/gem/intel_drm_fence.c index e70bfe7b44e..b6248a3bcf7 100644 --- a/src/gallium/winsys/drm/intel/gem/intel_drm_fence.c +++ b/src/gallium/winsys/drm/intel/gem/intel_drm_fence.c @@ -39,11 +39,12 @@ intel_drm_fence_reference(struct intel_winsys *iws, struct intel_drm_fence *old = (struct intel_drm_fence *)*ptr; struct intel_drm_fence *f = (struct intel_drm_fence *)fence; - if (pipe_reference((struct pipe_reference**)ptr, &f->reference)) { + if (pipe_reference(&(*ptr)->reference, &f->reference)) { if (old->bo) drm_intel_bo_unreference(old->bo); FREE(old); } + *ptr = fence; } static int diff --git a/src/gallium/winsys/drm/vmware/core/vmw_surface.c b/src/gallium/winsys/drm/vmware/core/vmw_surface.c index 64eb32f8b94..5f1b9ad5770 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_surface.c +++ b/src/gallium/winsys/drm/vmware/core/vmw_surface.c @@ -47,7 +47,7 @@ vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst, src_ref = src ? &src->refcnt : NULL; dst_ref = dst ? &dst->refcnt : NULL; - if (pipe_reference(&dst_ref, src_ref)) { + if (pipe_reference(dst_ref, src_ref)) { vmw_ioctl_surface_destroy(dst->screen, dst->sid); #ifdef DEBUG /* to detect dangling pointers */ From c977dd9c7716b0a086eeb0c07f2da148065c3b18 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Fri, 4 Dec 2009 18:23:35 +0100 Subject: [PATCH 05/10] svga: fix another pipe_reference strict aliasing violation --- src/gallium/drivers/svga/svga_screen_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/svga/svga_screen_buffer.c b/src/gallium/drivers/svga/svga_screen_buffer.c index 1f8a8896723..58a1aba464b 100644 --- a/src/gallium/drivers/svga/svga_screen_buffer.c +++ b/src/gallium/drivers/svga/svga_screen_buffer.c @@ -356,7 +356,8 @@ svga_buffer_upload_flush(struct svga_context *svga, sbuf->hw.boxes = NULL; /* Decrement reference count */ - pipe_buffer_reference((struct pipe_buffer **)&sbuf, NULL); + pipe_reference(&(sbuf->base.reference), NULL); + sbuf = NULL; } From 7d9b2edb97419b562a542b5cd701724c009421d4 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Fri, 4 Dec 2009 18:34:52 +0100 Subject: [PATCH 06/10] identity: fix copy&paste error --- src/gallium/drivers/identity/id_context.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c index 4509c7b1e5c..bedab56f59e 100644 --- a/src/gallium/drivers/identity/id_context.c +++ b/src/gallium/drivers/identity/id_context.c @@ -742,7 +742,7 @@ identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe) id_pipe->base.set_polygon_stipple = identity_set_polygon_stipple; id_pipe->base.set_scissor_state = identity_set_scissor_state; id_pipe->base.set_viewport_state = identity_set_viewport_state; - id_pipe->base.set_fragment_sampler_textures = identity_set_vertex_sampler_textures; + id_pipe->base.set_fragment_sampler_textures = identity_set_fragment_sampler_textures; id_pipe->base.set_vertex_sampler_textures = identity_set_vertex_sampler_textures; id_pipe->base.set_vertex_buffers = identity_set_vertex_buffers; id_pipe->base.set_vertex_elements = identity_set_vertex_elements; From c36d1aacf4c70d76165c91cd7048c0f9f43b8571 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Mon, 7 Dec 2009 20:11:46 +0100 Subject: [PATCH 07/10] mesa: fix strict aliasing issues in half-to-float/float-to-half conversions use union instead of casts --- src/mesa/main/imports.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c index c9e00cf7528..f2ef84f35c1 100644 --- a/src/mesa/main/imports.c +++ b/src/mesa/main/imports.c @@ -460,7 +460,7 @@ _mesa_inv_sqrtf(float n) #if 0 /* not used, see below -BP */ float r3, x3, y3; #endif - union { float f; unsigned int i; } u; + fi_type u; unsigned int magic; /* @@ -649,10 +649,10 @@ _mesa_bitcount(unsigned int n) GLhalfARB _mesa_float_to_half(float val) { - const int flt = *((int *) (void *) &val); - const int flt_m = flt & 0x7fffff; - const int flt_e = (flt >> 23) & 0xff; - const int flt_s = (flt >> 31) & 0x1; + const fi_type fi = {val}; + const int flt_m = fi.i & 0x7fffff; + const int flt_e = (fi.i >> 23) & 0xff; + const int flt_s = (fi.i >> 31) & 0x1; int s, e, m = 0; GLhalfARB result; @@ -739,7 +739,8 @@ _mesa_half_to_float(GLhalfARB val) const int m = val & 0x3ff; const int e = (val >> 10) & 0x1f; const int s = (val >> 15) & 0x1; - int flt_m, flt_e, flt_s, flt; + int flt_m, flt_e, flt_s; + fi_type fi; float result; /* sign bit */ @@ -774,8 +775,8 @@ _mesa_half_to_float(GLhalfARB val) flt_m = m << 13; } - flt = (flt_s << 31) | (flt_e << 23) | flt_m; - result = *((float *) (void *) &flt); + fi.i = (flt_s << 31) | (flt_e << 23) | flt_m; + result = fi.f; return result; } From 3456f9149b3009fcfce80054759d05883d3c4ee5 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Mon, 7 Dec 2009 20:35:42 +0100 Subject: [PATCH 08/10] gallium/util: fix util_color_[un]pack[-ub] to be strict aliasing safe use pointer to union instead of void pointer. gcc complained a lot, depending what the pointer originally actually was. Looks like it's in fact maybe legal to cast for instance uint pointers to union pointers as long as union contains a uint type, hence use this with some callers, other just use union util_color in the first place. --- src/gallium/auxiliary/util/u_clear.h | 8 +- src/gallium/auxiliary/util/u_pack_color.h | 147 ++++++++---------- src/gallium/drivers/cell/ppu/cell_clear.c | 6 +- src/gallium/drivers/llvmpipe/lp_clear.c | 5 +- src/gallium/drivers/r300/r300_state.c | 4 +- src/gallium/drivers/softpipe/sp_clear.c | 7 +- src/gallium/drivers/svga/svga_pipe_clear.c | 6 +- src/gallium/drivers/svga/svga_pipe_sampler.c | 2 +- .../state_trackers/vega/vg_translate.c | 54 +++---- .../state_tracker/st_atom_pixeltransfer.c | 2 +- 10 files changed, 113 insertions(+), 128 deletions(-) diff --git a/src/gallium/auxiliary/util/u_clear.h b/src/gallium/auxiliary/util/u_clear.h index 1e65a035aed..2c32db61756 100644 --- a/src/gallium/auxiliary/util/u_clear.h +++ b/src/gallium/auxiliary/util/u_clear.h @@ -46,13 +46,13 @@ util_clear(struct pipe_context *pipe, { if (buffers & PIPE_CLEAR_COLOR) { struct pipe_surface *ps = framebuffer->cbufs[0]; - unsigned color; + union util_color uc; - util_pack_color(rgba, ps->format, &color); + util_pack_color(rgba, ps->format, &uc); if (pipe->surface_fill) { - pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, color); + pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, uc.ui); } else { - util_surface_fill(pipe, ps, 0, 0, ps->width, ps->height, color); + util_surface_fill(pipe, ps, 0, 0, ps->width, ps->height, uc.ui); } } diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h index 9dacc6d83db..a2e0f266864 100644 --- a/src/gallium/auxiliary/util/u_pack_color.h +++ b/src/gallium/auxiliary/util/u_pack_color.h @@ -40,101 +40,97 @@ #include "util/u_math.h" + +union util_color { + ubyte ub; + ushort us; + uint ui; + float f[4]; +}; + /** * Pack ubyte R,G,B,A into dest pixel. */ static INLINE void util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a, - enum pipe_format format, void *dest) + enum pipe_format format, union util_color *uc) { switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | a; + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; } return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | 0xff; + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; } return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (a << 24) | (r << 16) | (g << 8) | b; + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (0xff << 24) | (r << 16) | (g << 8) | b; + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | a; + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; } return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | 0xff; + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; } return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); } return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); } return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); } return; case PIPE_FORMAT_A8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = a; + uc->ub = a; } return; case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_I8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = r; + uc->ub = a; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - float *d = (float *) dest; - d[0] = (float)r / 255.0f; - d[1] = (float)g / 255.0f; - d[2] = (float)b / 255.0f; - d[3] = (float)a / 255.0f; + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; + uc->f[3] = (float)a / 255.0f; } return; case PIPE_FORMAT_R32G32B32_FLOAT: { - float *d = (float *) dest; - d[0] = (float)r / 255.0f; - d[1] = (float)g / 255.0f; - d[2] = (float)b / 255.0f; + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; } return; /* XXX lots more cases to add */ default: + uc->ui = 0; /* keep compiler happy */ debug_print_format("gallium: unhandled format in util_pack_color_ub()", format); assert(0); } @@ -145,13 +141,13 @@ util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a, * Unpack RGBA from a packed pixel, returning values as ubytes in [0,255]. */ static INLINE void -util_unpack_color_ub(enum pipe_format format, const void *src, +util_unpack_color_ub(enum pipe_format format, union util_color *uc, ubyte *r, ubyte *g, ubyte *b, ubyte *a) { switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 24) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 8) & 0xff); @@ -160,7 +156,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 24) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 8) & 0xff); @@ -169,7 +165,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 16) & 0xff); *g = (ubyte) ((p >> 8) & 0xff); *b = (ubyte) ((p >> 0) & 0xff); @@ -178,7 +174,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 16) & 0xff); *g = (ubyte) ((p >> 8) & 0xff); *b = (ubyte) ((p >> 0) & 0xff); @@ -187,7 +183,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 8) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 24) & 0xff); @@ -196,7 +192,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 8) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 24) & 0xff); @@ -205,7 +201,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 8) & 0xf8) | ((p >> 13) & 0x7)); *g = (ubyte) (((p >> 3) & 0xfc) | ((p >> 9) & 0x3)); *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); @@ -214,7 +210,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7)); *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7)); *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); @@ -223,7 +219,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 4) & 0xf0) | ((p >> 8) & 0xf)); *g = (ubyte) (((p >> 0) & 0xf0) | ((p >> 4) & 0xf)); *b = (ubyte) (((p << 4) & 0xf0) | ((p >> 0) & 0xf)); @@ -232,27 +228,27 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = (ubyte) 0xff; *a = p; } return; case PIPE_FORMAT_L8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = p; *a = (ubyte) 0xff; } return; case PIPE_FORMAT_I8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = *a = p; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = float_to_ubyte(p[2]); @@ -261,7 +257,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R32G32B32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = float_to_ubyte(p[2]); @@ -271,7 +267,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, case PIPE_FORMAT_R32G32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = *a = (ubyte) 0xff; @@ -280,7 +276,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, case PIPE_FORMAT_R32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = *b = *a = (ubyte) 0xff; } @@ -293,14 +289,13 @@ util_unpack_color_ub(enum pipe_format format, const void *src, assert(0); } } - /** * Note rgba outside [0,1] will be clamped for int pixel formats. */ static INLINE void -util_pack_color(const float rgba[4], enum pipe_format format, void *dest) +util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc) { ubyte r = 0; ubyte g = 0; @@ -318,90 +313,78 @@ util_pack_color(const float rgba[4], enum pipe_format format, void *dest) switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | a; + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; } return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | 0xff; + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; } return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (a << 24) | (r << 16) | (g << 8) | b; + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (0xff << 24) | (r << 16) | (g << 8) | b; + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | a; + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; } return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | 0xff; + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; } return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); } return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); } return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + uc->ub = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); } return; case PIPE_FORMAT_A8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = a; + uc->ub = a; } return; case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_I8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = r; + uc->ub = r; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - float *d = (float *) dest; - d[0] = rgba[0]; - d[1] = rgba[1]; - d[2] = rgba[2]; - d[3] = rgba[3]; + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; + uc->f[3] = rgba[3]; } return; case PIPE_FORMAT_R32G32B32_FLOAT: { - float *d = (float *) dest; - d[0] = rgba[0]; - d[1] = rgba[1]; - d[2] = rgba[2]; + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; } return; /* XXX lots more cases to add */ default: + uc->ui = 0; /* keep compiler happy */ debug_print_format("gallium: unhandled format in util_pack_color()", format); assert(0); } diff --git a/src/gallium/drivers/cell/ppu/cell_clear.c b/src/gallium/drivers/cell/ppu/cell_clear.c index 79ad687ea94..3a3f968a492 100644 --- a/src/gallium/drivers/cell/ppu/cell_clear.c +++ b/src/gallium/drivers/cell/ppu/cell_clear.c @@ -59,9 +59,9 @@ cell_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, if (buffers & PIPE_CLEAR_COLOR) { uint surfIndex = 0; - uint clearValue; + union util_color uc; - util_pack_color(rgba, cell->framebuffer.cbufs[0]->format, &clearValue); + util_pack_color(rgba, cell->framebuffer.cbufs[0]->format, &uc); /* Build a CLEAR command and place it in the current batch buffer */ STATIC_ASSERT(sizeof(struct cell_command_clear_surface) % 16 == 0); @@ -70,7 +70,7 @@ cell_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, cell_batch_alloc16(cell, sizeof(*clr)); clr->opcode[0] = CELL_CMD_CLEAR_SURFACE; clr->surface = surfIndex; - clr->value = clearValue; + clr->value = uc.ui; } if (buffers & PIPE_CLEAR_DEPTHSTENCIL) { diff --git a/src/gallium/drivers/llvmpipe/lp_clear.c b/src/gallium/drivers/llvmpipe/lp_clear.c index bdcff94b9bf..08d9f2e2735 100644 --- a/src/gallium/drivers/llvmpipe/lp_clear.c +++ b/src/gallium/drivers/llvmpipe/lp_clear.c @@ -50,6 +50,7 @@ llvmpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, double depth, unsigned stencil) { struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); + union util_color uc; unsigned cv; uint i; @@ -64,8 +65,8 @@ llvmpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) { struct pipe_surface *ps = llvmpipe->framebuffer.cbufs[i]; - util_pack_color(rgba, ps->format, &cv); - lp_tile_cache_clear(llvmpipe->cbuf_cache[i], rgba, cv); + util_pack_color(rgba, ps->format, &uc); + lp_tile_cache_clear(llvmpipe->cbuf_cache[i], rgba, uc.ui); } llvmpipe->dirty_render_cache = TRUE; } diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 442af70e143..4ddbb357b6e 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -153,7 +153,7 @@ static void r300_set_blend_color(struct pipe_context* pipe, struct r300_context* r300 = r300_context(pipe); util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, - &r300->blend_color_state->blend_color); + (union util_color *)&r300->blend_color_state->blend_color); /* XXX if FP16 blending is enabled, we should use the FP16 format */ r300->blend_color_state->blend_color_red_alpha = @@ -535,7 +535,7 @@ static void* sampler->filter1 |= r300_anisotropy(state->max_anisotropy); util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, - &sampler->border_color); + (union util_color *)&sampler->border_color); /* R500-specific fixups and optimizations */ if (r300_screen(r300->context.screen)->caps->is_r500) { diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c index 8fac8e6e05f..f98087deb8c 100644 --- a/src/gallium/drivers/softpipe/sp_clear.c +++ b/src/gallium/drivers/softpipe/sp_clear.c @@ -48,6 +48,7 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, double depth, unsigned stencil) { struct softpipe_context *softpipe = softpipe_context(pipe); + union util_color uc; unsigned cv; uint i; @@ -62,12 +63,12 @@ softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) { struct pipe_surface *ps = softpipe->framebuffer.cbufs[i]; - util_pack_color(rgba, ps->format, &cv); - sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, cv); + util_pack_color(rgba, ps->format, &uc); + sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, uc.ui); #if !TILE_CLEAR_OPTIMIZATION /* non-cached surface */ - pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv); + pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, uc.ui); #endif } } diff --git a/src/gallium/drivers/svga/svga_pipe_clear.c b/src/gallium/drivers/svga/svga_pipe_clear.c index 6195c3897ed..409b3b41cbc 100644 --- a/src/gallium/drivers/svga/svga_pipe_clear.c +++ b/src/gallium/drivers/svga/svga_pipe_clear.c @@ -46,7 +46,7 @@ try_clear(struct svga_context *svga, boolean restore_viewport = FALSE; SVGA3dClearFlag flags = 0; struct pipe_framebuffer_state *fb = &svga->curr.framebuffer; - unsigned color = 0; + union util_color uc; ret = svga_update_state(svga, SVGA_STATE_HW_CLEAR); if (ret) @@ -54,7 +54,7 @@ try_clear(struct svga_context *svga, if ((buffers & PIPE_CLEAR_COLOR) && fb->cbufs[0]) { flags |= SVGA3D_CLEAR_COLOR; - util_pack_color(rgba, PIPE_FORMAT_A8R8G8B8_UNORM, &color); + util_pack_color(rgba, PIPE_FORMAT_A8R8G8B8_UNORM, &uc); rect.w = fb->cbufs[0]->width; rect.h = fb->cbufs[0]->height; @@ -77,7 +77,7 @@ try_clear(struct svga_context *svga, return ret; } - ret = SVGA3D_ClearRect(svga->swc, flags, color, depth, stencil, + ret = SVGA3D_ClearRect(svga->swc, flags, uc.ui, depth, stencil, rect.x, rect.y, rect.w, rect.h); if (ret != PIPE_OK) return ret; diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c index b4e57c5d15b..7f530083d6b 100644 --- a/src/gallium/drivers/svga/svga_pipe_sampler.c +++ b/src/gallium/drivers/svga/svga_pipe_sampler.c @@ -122,7 +122,7 @@ svga_create_sampler_state(struct pipe_context *pipe, util_pack_color_ub( r, g, b, a, PIPE_FORMAT_B8G8R8A8_UNORM, - &cso->bordercolor ); + (union util_color *)&cso->bordercolor ); } /* No SVGA3D support for: diff --git a/src/gallium/state_trackers/vega/vg_translate.c b/src/gallium/state_trackers/vega/vg_translate.c index 00e07647062..5051d83831d 100644 --- a/src/gallium/state_trackers/vega/vg_translate.c +++ b/src/gallium/state_trackers/vega/vg_translate.c @@ -487,7 +487,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -503,7 +503,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -520,7 +520,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -537,7 +537,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = 1.f; util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -553,7 +553,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = ((*src >> 0) & 1)/1.; util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -569,7 +569,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = ((*src >> 0) & 15)/15.; util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -579,7 +579,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, src += offset; for (i = 0; i < n; ++i) { util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -595,7 +595,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -611,7 +611,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -628,7 +628,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -639,7 +639,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, src += offset; for (i = 0; i < n; ++i) { util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -649,7 +649,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, src += offset; for (i = 0; i < n; ++i) { util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } } @@ -668,7 +668,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = 1.f; util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i+j]); + (union util_color *)rgba[i+j]); } ++src; } @@ -689,7 +689,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = (((*src) & (1<> shift); util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i+j]); + (union util_color *)rgba[i+j]); } ++src; } @@ -716,7 +716,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[3] = ((*src) & (bitter)) >> shift; util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i +j]); + (union util_color *)rgba[i +j]); } ++src; } @@ -736,7 +736,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -753,7 +753,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -776,7 +776,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -793,7 +793,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -812,7 +812,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -829,7 +829,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -854,7 +854,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -871,7 +871,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, a = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -890,7 +890,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -907,7 +907,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -930,7 +930,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; @@ -947,7 +947,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 0) & 0xff; util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - rgba[i]); + (union util_color *)rgba[i]); ++src; } return; diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c index 4b35f59cc2f..5e2ae1bb36f 100644 --- a/src/mesa/state_tracker/st_atom_pixeltransfer.c +++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c @@ -167,7 +167,7 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt) ubyte g = ctx->PixelMaps.GtoG.Map8[i * gSize / texSize]; ubyte b = ctx->PixelMaps.BtoB.Map8[j * bSize / texSize]; ubyte a = ctx->PixelMaps.AtoA.Map8[i * aSize / texSize]; - util_pack_color_ub(r, g, b, a, pt->format, dest + k); + util_pack_color_ub(r, g, b, a, pt->format, (union util_color *)(dest + k)); } } From 72362a5cd41d97b770980c28fe6719c556f12ab7 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Mon, 7 Dec 2009 21:47:49 +0100 Subject: [PATCH 09/10] mesa: fix shader prog_execute strict aliasing violations use unions instead of pointer casts. --- src/mesa/shader/prog_execute.c | 50 ++++++++++++++++++++++------------ 1 file changed, 32 insertions(+), 18 deletions(-) diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index 192d39aed1e..038ce0b4f00 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -54,8 +54,18 @@ * Set x to positive or negative infinity. */ #if defined(USE_IEEE) || defined(_WIN32) -#define SET_POS_INFINITY(x) ( *((GLuint *) (void *)&x) = 0x7F800000 ) -#define SET_NEG_INFINITY(x) ( *((GLuint *) (void *)&x) = 0xFF800000 ) +#define SET_POS_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0x7F800000; \ + x = fi.f; \ + } while (0) +#define SET_NEG_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0xFF800000; \ + x = fi.f; \ + } while (0) #elif defined(VMS) #define SET_POS_INFINITY(x) x = __MAXFLOAT #define SET_NEG_INFINITY(x) x = -__MAXFLOAT @@ -1635,11 +1645,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2H: /* unpack two 16-bit floats */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLhalfNV hx, hy; fetch_vector1(&inst->SrcReg[0], machine, a); - hx = rawBits[0] & 0xffff; - hy = rawBits[0] >> 16; + fi.f = a[0]; + hx = fi.i & 0xffff; + hy = fi.i >> 16; result[0] = result[2] = _mesa_half_to_float(hx); result[1] = result[3] = _mesa_half_to_float(hy); store_vector4(inst, machine, result); @@ -1648,11 +1659,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2US: /* unpack two GLushorts */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLushort usx, usy; fetch_vector1(&inst->SrcReg[0], machine, a); - usx = rawBits[0] & 0xffff; - usy = rawBits[0] >> 16; + fi.f = a[0]; + usx = fi.i & 0xffff; + usy = fi.i >> 16; result[0] = result[2] = usx * (1.0f / 65535.0f); result[1] = result[3] = usy * (1.0f / 65535.0f); store_vector4(inst, machine, result); @@ -1661,24 +1673,26 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP4B: /* unpack four GLbytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; - result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; - result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; - result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; + fi.f = a[0]; + result[0] = (((fi.i >> 0) & 0xff) - 128) / 127.0F; + result[1] = (((fi.i >> 8) & 0xff) - 128) / 127.0F; + result[2] = (((fi.i >> 16) & 0xff) - 128) / 127.0F; + result[3] = (((fi.i >> 24) & 0xff) - 128) / 127.0F; store_vector4(inst, machine, result); } break; case OPCODE_UP4UB: /* unpack four GLubytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; - result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; - result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; - result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; + fi.f = a[0]; + result[0] = ((fi.i >> 0) & 0xff) / 255.0F; + result[1] = ((fi.i >> 8) & 0xff) / 255.0F; + result[2] = ((fi.i >> 16) & 0xff) / 255.0F; + result[3] = ((fi.i >> 24) & 0xff) / 255.0F; store_vector4(inst, machine, result); } break; From ee1720b99dfb5964962f2346406a4e3e88374a68 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Tue, 8 Dec 2009 19:13:48 +0100 Subject: [PATCH 10/10] gallium: fix more potential strict aliasing issues In particular, gcc man page warns that union a_union { int i; double d; }; int f() { double d = 3.0; return ((union a_union *) &d)->i; } "might" not be ok (why not?), even though it doesn't seem to generate any warnings. Hence don't use this and do the extra step to actually use assignment to get the values in/out of the union. This changes parts of 3456f9149b3009fcfce80054759d05883d3c4ee5. --- src/gallium/drivers/r300/r300_state.c | 10 +- src/gallium/drivers/svga/svga_pipe_sampler.c | 5 +- .../state_trackers/vega/vg_translate.c | 190 +++++++++++++----- .../state_tracker/st_atom_pixeltransfer.c | 4 +- 4 files changed, 148 insertions(+), 61 deletions(-) diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 4ddbb357b6e..a83075df92f 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -151,9 +151,10 @@ static void r300_set_blend_color(struct pipe_context* pipe, const struct pipe_blend_color* color) { struct r300_context* r300 = r300_context(pipe); + union util_color uc; - util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, - (union util_color *)&r300->blend_color_state->blend_color); + util_pack_color(color->color, PIPE_FORMAT_A8R8G8B8_UNORM, &uc); + r300->blend_color_state->blend_color = uc.ui; /* XXX if FP16 blending is enabled, we should use the FP16 format */ r300->blend_color_state->blend_color_red_alpha = @@ -513,6 +514,7 @@ static void* struct r300_context* r300 = r300_context(pipe); struct r300_sampler_state* sampler = CALLOC_STRUCT(r300_sampler_state); int lod_bias; + union util_color uc; sampler->filter0 |= (r300_translate_wrap(state->wrap_s) << R300_TX_WRAP_S_SHIFT) | @@ -534,8 +536,8 @@ static void* sampler->filter1 |= r300_anisotropy(state->max_anisotropy); - util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, - (union util_color *)&sampler->border_color); + util_pack_color(state->border_color, PIPE_FORMAT_A8R8G8B8_UNORM, &uc); + sampler->border_color = uc.ui; /* R500-specific fixups and optimizations */ if (r300_screen(r300->context.screen)->caps->is_r500) { diff --git a/src/gallium/drivers/svga/svga_pipe_sampler.c b/src/gallium/drivers/svga/svga_pipe_sampler.c index 7f530083d6b..78053e755e2 100644 --- a/src/gallium/drivers/svga/svga_pipe_sampler.c +++ b/src/gallium/drivers/svga/svga_pipe_sampler.c @@ -101,6 +101,7 @@ svga_create_sampler_state(struct pipe_context *pipe, { struct svga_context *svga = svga_context(pipe); struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state ); + union util_color uc; cso->mipfilter = translate_mip_filter(sampler->min_mip_filter); cso->magfilter = translate_img_filter( sampler->mag_img_filter ); @@ -121,8 +122,8 @@ svga_create_sampler_state(struct pipe_context *pipe, ubyte a = float_to_ubyte(sampler->border_color[3]); util_pack_color_ub( r, g, b, a, - PIPE_FORMAT_B8G8R8A8_UNORM, - (union util_color *)&cso->bordercolor ); + PIPE_FORMAT_B8G8R8A8_UNORM, &uc); + cso->bordercolor = uc.ui; } /* No SVGA3D support for: diff --git a/src/gallium/state_trackers/vega/vg_translate.c b/src/gallium/state_trackers/vega/vg_translate.c index 5051d83831d..03575ca3ddd 100644 --- a/src/gallium/state_trackers/vega/vg_translate.c +++ b/src/gallium/state_trackers/vega/vg_translate.c @@ -474,6 +474,7 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, VGfloat rgba[][4]) { VGint i; + union util_color uc; switch (dataFormat) { case VG_sRGBX_8888: { @@ -486,8 +487,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -502,8 +506,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -519,8 +526,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -536,8 +546,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = ((*src >> 0) & 31)/31.; clr[3] = 1.f; - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -552,8 +565,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = ((*src >> 1) & 31)/31.; clr[3] = ((*src >> 0) & 1)/1.; - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -568,8 +584,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = ((*src >> 4) & 15)/15.; clr[3] = ((*src >> 0) & 15)/15.; - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -578,8 +597,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, VGubyte *src = (VGubyte *)data; src += offset; for (i = 0; i < n; ++i) { - util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -594,8 +616,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -610,8 +635,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -627,8 +655,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, b = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -638,8 +669,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, VGubyte *src = (VGubyte *)data; src += offset; for (i = 0; i < n; ++i) { - util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -648,8 +682,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, VGubyte *src = (VGubyte *)data; src += offset; for (i = 0; i < n; ++i) { - util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(0xff, 0xff, 0xff, *src, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } } @@ -667,8 +704,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = clr[0]; clr[3] = 1.f; - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i+j]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i+j][0] = uc.f[0]; + rgba[i+j][1] = uc.f[1]; + rgba[i+j][2] = uc.f[2]; + rgba[i+j][3] = uc.f[3]; } ++src; } @@ -688,8 +728,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = 0.f; clr[3] = (((*src) & (1<> shift); - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i+j]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i+j][0] = uc.f[0]; + rgba[i+j][1] = uc.f[1]; + rgba[i+j][2] = uc.f[2]; + rgba[i+j][3] = uc.f[3]; } ++src; } @@ -715,8 +758,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, clr[2] = 0.f; clr[3] = ((*src) & (bitter)) >> shift; - util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i +j]); + util_pack_color(clr, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i+j][0] = uc.f[0]; + rgba[i+j][1] = uc.f[1]; + rgba[i+j][2] = uc.f[2]; + rgba[i+j][3] = uc.f[3]; } ++src; } @@ -735,8 +781,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; b = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -752,8 +801,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; b = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -775,8 +827,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; b = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -792,8 +847,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; b = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -811,8 +869,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -828,8 +889,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -853,8 +917,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -870,8 +937,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, r = (*src >> 8) & 0xff; a = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -889,8 +959,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; r = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -906,8 +979,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; r = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -929,8 +1005,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; r = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; @@ -946,8 +1025,11 @@ void _vega_unpack_float_span_rgba(struct vg_context *ctx, g = (*src >> 8) & 0xff; r = (*src >> 0) & 0xff; - util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, - (union util_color *)rgba[i]); + util_pack_color_ub(r, g, b, a, PIPE_FORMAT_R32G32B32A32_FLOAT, &uc); + rgba[i][0] = uc.f[0]; + rgba[i][1] = uc.f[1]; + rgba[i][2] = uc.f[2]; + rgba[i][3] = uc.f[3]; ++src; } return; diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c index 5e2ae1bb36f..6a5854e9ba5 100644 --- a/src/mesa/state_tracker/st_atom_pixeltransfer.c +++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c @@ -162,12 +162,14 @@ load_color_map_texture(GLcontext *ctx, struct pipe_texture *pt) */ for (i = 0; i < texSize; i++) { for (j = 0; j < texSize; j++) { + union util_color uc; int k = (i * texSize + j); ubyte r = ctx->PixelMaps.RtoR.Map8[j * rSize / texSize]; ubyte g = ctx->PixelMaps.GtoG.Map8[i * gSize / texSize]; ubyte b = ctx->PixelMaps.BtoB.Map8[j * bSize / texSize]; ubyte a = ctx->PixelMaps.AtoA.Map8[i * aSize / texSize]; - util_pack_color_ub(r, g, b, a, pt->format, (union util_color *)(dest + k)); + util_pack_color_ub(r, g, b, a, pt->format, &uc); + *(dest + k) = uc.ui; } }