From: Keith Whitwell Date: Thu, 29 May 2008 11:38:49 +0000 (+0100) Subject: draw: make sure constant buffer data is aligned before passing to aos.c X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bb2e13b9e82b68ec3b9fc56a4c35e7ead8fd138f;p=mesa.git draw: make sure constant buffer data is aligned before passing to aos.c --- diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index bcec85c2ef8..2f263cf06a9 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -217,10 +217,11 @@ draw_set_mapped_vertex_buffer(struct draw_context *draw, void draw_set_mapped_constant_buffer(struct draw_context *draw, - const void *buffer) + const void *buffer, + unsigned size ) { draw->pt.user.constants = buffer; - draw_vs_set_constants( draw, (const float (*)[4])buffer ); + draw_vs_set_constants( draw, (const float (*)[4])buffer, size ); } diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index 8dd03cb79ef..b8f2bfa3327 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -133,7 +133,8 @@ void draw_set_mapped_vertex_buffer(struct draw_context *draw, unsigned attr, const void *buffer); void draw_set_mapped_constant_buffer(struct draw_context *draw, - const void *buffer); + const void *buffer, + unsigned size ); void draw_set_edgeflags( struct draw_context *draw, const unsigned *edgeflag ); diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 40f1d978f21..88a7224b623 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -190,6 +190,12 @@ struct draw_context struct aos_machine *aos_machine; + const float (*aligned_constants)[4]; + + const float (*aligned_constant_storage)[4]; + unsigned const_storage_size; + + struct translate *fetch; struct translate_cache *fetch_cache; struct translate *emit; @@ -225,7 +231,8 @@ void draw_vs_set_viewport( struct draw_context *, const struct pipe_viewport_state * ); void draw_vs_set_constants( struct draw_context *, - const float (*constants)[4] ); + const float (*constants)[4], + unsigned size ); diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c index a8b6d0c90d2..ce35112fc10 100644 --- a/src/gallium/auxiliary/draw/draw_vs.c +++ b/src/gallium/auxiliary/draw/draw_vs.c @@ -43,8 +43,22 @@ void draw_vs_set_constants( struct draw_context *draw, - const float (*constants)[4] ) + const float (*constants)[4], + unsigned size ) { + if (((unsigned)constants) & 0xf) { + if (size > draw->vs.const_storage_size) { + if (draw->vs.aligned_constant_storage) + align_free(draw->vs.aligned_constant_storage); + draw->vs.aligned_constant_storage = align_malloc( size, 16 ); + } + memcpy( draw->vs.aligned_constant_storage, + constants, + size ); + constants = draw->vs.aligned_constant_storage; + } + + draw->vs.aligned_constants = constants; draw_vs_aos_machine_constants( draw->vs.aos_machine, constants ); } @@ -159,6 +173,9 @@ draw_vs_destroy( struct draw_context *draw ) if (draw->vs.aos_machine) draw_vs_aos_machine_destroy(draw->vs.aos_machine); + if (draw->vs.aligned_constant_storage) + align_free(draw->vs.aligned_constant_storage); + tgsi_exec_machine_free_data(&draw->vs.machine); } diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index b5e4e1e7b1a..55cabb6df9a 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -1957,7 +1957,7 @@ static void PIPE_CDECL vaos_run_elts( struct draw_vs_varient *varient, struct aos_machine *machine = vaos->draw->vs.aos_machine; machine->internal[IMM_PSIZE][0] = vaos->draw->rasterizer->point_size; - machine->constants = (const float (*)[4])vaos->draw->pt.user.constants; + machine->constants = vaos->draw->vs.aligned_constants; machine->immediates = vaos->base.vs->immediates; machine->attrib = vaos->attrib; @@ -1976,7 +1976,7 @@ static void PIPE_CDECL vaos_run_linear( struct draw_vs_varient *varient, struct aos_machine *machine = vaos->draw->vs.aos_machine; machine->internal[IMM_PSIZE][0] = vaos->draw->rasterizer->point_size; - machine->constants = (const float (*)[4])vaos->draw->pt.user.constants; + machine->constants = vaos->draw->vs.aligned_constants; machine->immediates = vaos->base.vs->immediates; machine->attrib = vaos->attrib; diff --git a/src/gallium/drivers/i915simple/i915_context.c b/src/gallium/drivers/i915simple/i915_context.c index 4bef21619c2..c609d16a5af 100644 --- a/src/gallium/drivers/i915simple/i915_context.c +++ b/src/gallium/drivers/i915simple/i915_context.c @@ -86,7 +86,9 @@ i915_draw_elements( struct pipe_context *pipe, draw_set_mapped_constant_buffer(draw, - i915->current.constants[PIPE_SHADER_VERTEX]); + i915->current.constants[PIPE_SHADER_VERTEX], + ( i915->current.num_user_constants[PIPE_SHADER_VERTEX] * + 4 * sizeof(float) )); /* draw! */ draw_arrays(i915->draw, prim, start, count); diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c index dbecf6865f4..d4d5fa744fb 100644 --- a/src/gallium/drivers/softpipe/sp_draw_arrays.c +++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c @@ -54,7 +54,8 @@ softpipe_map_constant_buffers(struct softpipe_context *sp) } draw_set_mapped_constant_buffer(sp->draw, - sp->mapped_constants[PIPE_SHADER_VERTEX]); + sp->mapped_constants[PIPE_SHADER_VERTEX], + sp->constants[i].size); } static void @@ -68,7 +69,7 @@ softpipe_unmap_constant_buffers(struct softpipe_context *sp) */ draw_flush(sp->draw); - draw_set_mapped_constant_buffer(sp->draw, NULL); + draw_set_mapped_constant_buffer(sp->draw, NULL, 0); for (i = 0; i < 2; i++) { if (sp->constants[i].size) diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 551860452ae..5300848ef6a 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -596,9 +596,10 @@ st_feedback_draw_vbo(GLcontext *ctx, /* map constant buffers */ mapped_constants = pipe_buffer_map(pipe, - st->state.constants[PIPE_SHADER_VERTEX].buffer, - PIPE_BUFFER_USAGE_CPU_READ); - draw_set_mapped_constant_buffer(st->draw, mapped_constants); + st->state.constants[PIPE_SHADER_VERTEX].buffer, + PIPE_BUFFER_USAGE_CPU_READ); + draw_set_mapped_constant_buffer(st->draw, mapped_constants, + st->state.constants[PIPE_SHADER_VERTEX].buffer->size); /* draw here */