/************************************************************************** * * Copyright 2003 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, sub license, 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 (including the * next paragraph) 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 NON-INFRINGEMENT. * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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 "i915_batch.h" #include "i915_state_inlines.h" #include "i915_context.h" #include "i915_reg.h" #include "i915_state.h" #include "util/u_memory.h" #include "util/u_pack_color.h" /* State that we have chosen to store in the DYNAMIC segment of the * i915 indirect state mechanism. * * Can't cache these in the way we do the static state, as there is no * start/size in the command packet, instead an 'end' value that gets * incremented. * * Additionally, there seems to be a requirement to re-issue the full * (active) state every time a 4kb boundary is crossed. */ static inline void set_dynamic(struct i915_context *i915, unsigned offset, const unsigned state) { if (i915->current.dynamic[offset] == state) return; i915->current.dynamic[offset] = state; i915->dynamic_dirty |= 1 << offset; i915->hardware_dirty |= I915_HW_DYNAMIC; } static inline void set_dynamic_array(struct i915_context *i915, unsigned offset, const unsigned *src, unsigned dwords) { unsigned i; if (!memcmp(src, &i915->current.dynamic[offset], dwords * 4)) return; for (i = 0; i < dwords; i++) { i915->current.dynamic[offset + i] = src[i]; i915->dynamic_dirty |= 1 << (offset + i); } i915->hardware_dirty |= I915_HW_DYNAMIC; } /*********************************************************************** * Modes4: stencil masks and logicop */ static void upload_MODES4(struct i915_context *i915) { unsigned modes4 = 0; /* I915_NEW_STENCIL */ modes4 |= i915->depth_stencil->stencil_modes4; /* I915_NEW_BLEND */ modes4 |= i915->blend->modes4; set_dynamic(i915, I915_DYNAMIC_MODES4, modes4); } const struct i915_tracked_state i915_upload_MODES4 = { "MODES4", upload_MODES4, I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL }; /*********************************************************************** */ static void upload_BFO(struct i915_context *i915) { unsigned bfo[2]; bfo[0] = i915->depth_stencil->bfo[0]; bfo[1] = i915->depth_stencil->bfo[1]; /* I don't get it only allowed to set a ref mask when the enable bit is set? */ if (bfo[0] & BFO_ENABLE_STENCIL_REF) { bfo[0] |= i915->stencil_ref.ref_value[1] << BFO_STENCIL_REF_SHIFT; } set_dynamic_array(i915, I915_DYNAMIC_BFO_0, bfo, 2); } const struct i915_tracked_state i915_upload_BFO = { "BFO", upload_BFO, I915_NEW_DEPTH_STENCIL }; /*********************************************************************** */ static void upload_BLENDCOLOR(struct i915_context *i915) { unsigned bc[2]; memset(bc, 0, sizeof(bc)); /* I915_NEW_BLEND */ { const float *color = i915->blend_color.color; bc[0] = _3DSTATE_CONST_BLEND_COLOR_CMD; bc[1] = pack_ui32_float4(color[0], color[1], color[2], color[3]); } set_dynamic_array(i915, I915_DYNAMIC_BC_0, bc, 2); } const struct i915_tracked_state i915_upload_BLENDCOLOR = { "BLENDCOLOR", upload_BLENDCOLOR, I915_NEW_BLEND }; /*********************************************************************** */ static void upload_IAB(struct i915_context *i915) { unsigned iab = i915->blend->iab; set_dynamic(i915, I915_DYNAMIC_IAB, iab); } const struct i915_tracked_state i915_upload_IAB = { "IAB", upload_IAB, I915_NEW_BLEND }; /*********************************************************************** */ static void upload_DEPTHSCALE(struct i915_context *i915) { set_dynamic_array(i915, I915_DYNAMIC_DEPTHSCALE_0, &i915->rasterizer->ds[0].u, 2); } const struct i915_tracked_state i915_upload_DEPTHSCALE = { "DEPTHSCALE", upload_DEPTHSCALE, I915_NEW_RASTERIZER }; /*********************************************************************** * Polygon stipple * * The i915 supports a 4x4 stipple natively, GL wants 32x32. * Fortunately stipple is usually a repeating pattern. * * XXX: does stipple pattern need to be adjusted according to * the window position? * * XXX: possibly need workaround for conform paths test. */ static void upload_STIPPLE(struct i915_context *i915) { unsigned st[2]; st[0] = _3DSTATE_STIPPLE; st[1] = 0; /* I915_NEW_RASTERIZER */ st[1] |= i915->rasterizer->st; /* I915_NEW_STIPPLE */ { const ubyte *mask = (const ubyte *)i915->poly_stipple.stipple; ubyte p[4]; p[0] = mask[12] & 0xf; p[1] = mask[8] & 0xf; p[2] = mask[4] & 0xf; p[3] = mask[0] & 0xf; /* Not sure what to do about fallbacks, so for now just dont: */ st[1] |= ((p[0] << 0) | (p[1] << 4) | (p[2] << 8) | (p[3] << 12)); } set_dynamic_array(i915, I915_DYNAMIC_STP_0, st, 2); } const struct i915_tracked_state i915_upload_STIPPLE = { "STIPPLE", upload_STIPPLE, I915_NEW_RASTERIZER | I915_NEW_STIPPLE }; /*********************************************************************** * Scissor enable */ static void upload_SCISSOR_ENABLE( struct i915_context *i915 ) { set_dynamic(i915, I915_DYNAMIC_SC_ENA_0, i915->rasterizer->sc[0]); } const struct i915_tracked_state i915_upload_SCISSOR_ENABLE = { "SCISSOR ENABLE", upload_SCISSOR_ENABLE, I915_NEW_RASTERIZER }; /*********************************************************************** * Scissor rect */ static void upload_SCISSOR_RECT(struct i915_context *i915) { unsigned x1 = i915->scissor.minx; unsigned y1 = i915->scissor.miny; unsigned x2 = i915->scissor.maxx - 1; unsigned y2 = i915->scissor.maxy - 1; unsigned sc[3]; sc[0] = _3DSTATE_SCISSOR_RECT_0_CMD; sc[1] = (y1 << 16) | (x1 & 0xffff); sc[2] = (y2 << 16) | (x2 & 0xffff); set_dynamic_array(i915, I915_DYNAMIC_SC_RECT_0, sc, 3); } const struct i915_tracked_state i915_upload_SCISSOR_RECT = { "SCISSOR RECT", upload_SCISSOR_RECT, I915_NEW_SCISSOR }; /*********************************************************************** */ static const struct i915_tracked_state *atoms[] = { &i915_upload_MODES4, &i915_upload_BFO, &i915_upload_BLENDCOLOR, &i915_upload_IAB, &i915_upload_DEPTHSCALE, &i915_upload_STIPPLE, &i915_upload_SCISSOR_ENABLE, &i915_upload_SCISSOR_RECT }; /* These will be dynamic indirect state commands, but for now just end * up on the batch buffer with everything else. */ static void update_dynamic(struct i915_context *i915) { int i; for (i = 0; i < Elements(atoms); i++) if (i915->dirty & atoms[i]->dirty) atoms[i]->update(i915); } struct i915_tracked_state i915_hw_dynamic = { "dynamic", update_dynamic, ~0 /* all state atoms, because we do internal checking */ };