| /************************************************************************** |
| * |
| * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 TUNGSTEN GRAPHICS 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, becuase we do internal checking */ |
| }; |