diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_state_dynamic.c')
| -rw-r--r-- | src/gallium/drivers/i915/i915_state_dynamic.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_state_dynamic.c b/src/gallium/drivers/i915/i915_state_dynamic.c new file mode 100644 index 00000000000..86126a5a152 --- /dev/null +++ b/src/gallium/drivers/i915/i915_state_dynamic.c @@ -0,0 +1,310 @@ +/************************************************************************** + * + * 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_math.h" +#include "util/u_memory.h" +#include "util/u_pack_color.h" + +#define FILE_DEBUG_FLAG DEBUG_STATE + +/* 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_indirect( struct i915_context *i915, + unsigned offset, + const unsigned *src, + unsigned dwords ) +{ + unsigned i; + + for (i = 0; i < dwords; i++) + i915->current.dynamic[offset + i] = src[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; + + /* Always, so that we know when state is in-active: + */ + set_dynamic_indirect( i915, + I915_DYNAMIC_MODES4, + &modes4, + 1 ); +} + +const struct i915_tracked_state i915_upload_MODES4 = { + I915_NEW_BLEND | I915_NEW_DEPTH_STENCIL, + upload_MODES4 +}; + + + + +/*********************************************************************** + */ + +static void upload_BFO( struct i915_context *i915 ) +{ + set_dynamic_indirect( i915, + I915_DYNAMIC_BFO_0, + &(i915->depth_stencil->bfo[0]), + 2 ); +} + +const struct i915_tracked_state i915_upload_BFO = { + I915_NEW_DEPTH_STENCIL, + upload_BFO +}; + + +/*********************************************************************** + */ + + +static void upload_BLENDCOLOR( struct i915_context *i915 ) +{ + unsigned bc[2]; + + memset( bc, 0, sizeof(bc) ); + + /* I915_NEW_BLEND {_COLOR} + */ + { + 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_indirect( i915, + I915_DYNAMIC_BC_0, + bc, + 2 ); +} + +const struct i915_tracked_state i915_upload_BLENDCOLOR = { + I915_NEW_BLEND, + upload_BLENDCOLOR +}; + +/*********************************************************************** + */ + + +static void upload_IAB( struct i915_context *i915 ) +{ + unsigned iab = i915->blend->iab; + + + set_dynamic_indirect( i915, + I915_DYNAMIC_IAB, + &iab, + 1 ); +} + +const struct i915_tracked_state i915_upload_IAB = { + I915_NEW_BLEND, + upload_IAB +}; + + +/*********************************************************************** + */ + + + +static void upload_DEPTHSCALE( struct i915_context *i915 ) +{ + set_dynamic_indirect( i915, + I915_DYNAMIC_DEPTHSCALE_0, + &(i915->rasterizer->ds[0].u), + 2 ); +} + +const struct i915_tracked_state i915_upload_DEPTHSCALE = { + I915_NEW_RASTERIZER, + upload_DEPTHSCALE +}; + + + +/*********************************************************************** + * 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_indirect( i915, + I915_DYNAMIC_STP_0, + &st[0], + 2 ); +} + + +const struct i915_tracked_state i915_upload_STIPPLE = { + I915_NEW_RASTERIZER | I915_NEW_STIPPLE, + upload_STIPPLE +}; + + + +/*********************************************************************** + * Scissor. + */ +static void upload_SCISSOR_ENABLE( struct i915_context *i915 ) +{ + set_dynamic_indirect( i915, + I915_DYNAMIC_SC_ENA_0, + &(i915->rasterizer->sc[0]), + 1 ); +} + +const struct i915_tracked_state i915_upload_SCISSOR_ENABLE = { + I915_NEW_RASTERIZER, + upload_SCISSOR_ENABLE +}; + + + +static void upload_SCISSOR_RECT( struct i915_context *i915 ) +{ + unsigned x1 = i915->scissor.minx; + unsigned y1 = i915->scissor.miny; + unsigned x2 = i915->scissor.maxx; + unsigned y2 = i915->scissor.maxy; + unsigned sc[3]; + + sc[0] = _3DSTATE_SCISSOR_RECT_0_CMD; + sc[1] = (y1 << 16) | (x1 & 0xffff); + sc[2] = (y2 << 16) | (x2 & 0xffff); + + set_dynamic_indirect( i915, + I915_DYNAMIC_SC_RECT_0, + &sc[0], + 3 ); +} + + +const struct i915_tracked_state i915_upload_SCISSOR_RECT = { + I915_NEW_SCISSOR, + upload_SCISSOR_RECT +}; + + + + + + +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. + */ +void i915_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 ); +} + |