diff options
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_state_dynamic.c')
-rw-r--r-- | src/mesa/pipe/i915simple/i915_state_dynamic.c | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/src/mesa/pipe/i915simple/i915_state_dynamic.c b/src/mesa/pipe/i915simple/i915_state_dynamic.c new file mode 100644 index 0000000000..8d5a398890 --- /dev/null +++ b/src/mesa/pipe/i915simple/i915_state_dynamic.c @@ -0,0 +1,429 @@ +/************************************************************************** + * + * 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 "glheader.h" +#include "context.h" +#include "macros.h" +#include "enums.h" + +#include "i915_batch.h" +#include "i915_state_inlines.h" +#include "i915_context.h" +#include "i915_reg.h" +#include "i915_state.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, + GLuint offset, + const GLuint *src, + GLuint dwords ) +{ + int 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 ) +{ + GLuint modes4 = 0; + + /* I915_NEW_STENCIL */ + { + GLint testmask = i915->stencil.value_mask[0] & 0xff; + GLint writemask = i915->stencil.write_mask[0] & 0xff; + + modes4 |= (_3DSTATE_MODES_4_CMD | + ENABLE_STENCIL_TEST_MASK | + STENCIL_TEST_MASK(testmask) | + ENABLE_STENCIL_WRITE_MASK | + STENCIL_WRITE_MASK(writemask)); + } + + /* I915_NEW_BLEND */ + { + modes4 |= (_3DSTATE_MODES_4_CMD | + ENABLE_LOGIC_OP_FUNC | + LOGIC_OP_FUNC(i915_translate_logic_op(i915->blend.logicop_func))); + } + + /* 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 = { + .dirty = I915_NEW_BLEND | I915_NEW_STENCIL, + .update = upload_MODES4 +}; + + + + +/*********************************************************************** + */ + +static void upload_BFO( struct i915_context *i915 ) +{ + GLuint bf[2]; + + memset( bf, 0, sizeof(bf) ); + + /* _NEW_STENCIL + */ + if (i915->stencil.back_enabled) { + GLint test = i915_translate_compare_func(i915->stencil.back_func); + GLint fop = i915_translate_stencil_op(i915->stencil.back_fail_op); + GLint dfop = i915_translate_stencil_op(i915->stencil.back_zfail_op); + GLint dpop = i915_translate_stencil_op(i915->stencil.back_zpass_op); + GLint ref = i915->stencil.ref_value[1] & 0xff; + GLint tmask = i915->stencil.value_mask[1] & 0xff; + GLint wmask = i915->stencil.write_mask[1] & 0xff; + + bf[0] = (_3DSTATE_BACKFACE_STENCIL_OPS | + BFO_ENABLE_STENCIL_FUNCS | + BFO_ENABLE_STENCIL_TWO_SIDE | + BFO_ENABLE_STENCIL_REF | + BFO_STENCIL_TWO_SIDE | + (ref << BFO_STENCIL_REF_SHIFT) | + (test << BFO_STENCIL_TEST_SHIFT) | + (fop << BFO_STENCIL_FAIL_SHIFT) | + (dfop << BFO_STENCIL_PASS_Z_FAIL_SHIFT) | + (dpop << BFO_STENCIL_PASS_Z_PASS_SHIFT)); + + bf[1] = (_3DSTATE_BACKFACE_STENCIL_MASKS | + BFM_ENABLE_STENCIL_TEST_MASK | + BFM_ENABLE_STENCIL_WRITE_MASK | + (tmask << BFM_STENCIL_TEST_MASK_SHIFT) | + (wmask << BFM_STENCIL_WRITE_MASK_SHIFT)); + } + else { + /* This actually disables two-side stencil: The bit set is a + * modify-enable bit to indicate we are changing the two-side + * setting. Then there is a symbolic zero to show that we are + * setting the flag to zero/off. + */ + bf[0] = (_3DSTATE_BACKFACE_STENCIL_OPS | + BFO_ENABLE_STENCIL_TWO_SIDE | + 0); + bf[1] = 0; + } + + set_dynamic_indirect( i915, + I915_DYNAMIC_BFO_0, + &bf[0], + 2 ); +} + +const struct i915_tracked_state i915_upload_BFO = { + .dirty = I915_NEW_STENCIL, + .update = upload_BFO +}; + + +/*********************************************************************** + */ + + +static void upload_BLENDCOLOR( struct i915_context *i915 ) +{ + GLuint bc[2]; + + memset( bc, 0, sizeof(bc) ); + + /* I915_NEW_BLEND {_COLOR} + */ + { + const GLfloat *color = i915->blend_color.color; + GLubyte r, g, b, a; + + UNCLAMPED_FLOAT_TO_UBYTE(r, color[RCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(g, color[GCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(b, color[BCOMP]); + UNCLAMPED_FLOAT_TO_UBYTE(a, color[ACOMP]); + + bc[0] = (_3DSTATE_CONST_BLEND_COLOR_CMD); + bc[1] = (a << 24) | (r << 16) | (g << 8) | b; + } + + set_dynamic_indirect( i915, + I915_DYNAMIC_BC_0, + bc, + 2 ); +} + +const struct i915_tracked_state i915_upload_BLENDCOLOR = { + .dirty = I915_NEW_BLEND, + .update = upload_BLENDCOLOR +}; + +/*********************************************************************** + */ + + +static void upload_IAB( struct i915_context *i915 ) +{ + GLuint iab = 0; + + { + GLuint eqRGB = i915->blend.rgb_func; + GLuint srcRGB = i915->blend.rgb_src_factor; + GLuint dstRGB = i915->blend.rgb_dst_factor; + + GLuint eqA = i915->blend.alpha_func; + GLuint srcA = i915->blend.alpha_src_factor; + GLuint dstA = i915->blend.alpha_dst_factor; + + if (eqA == GL_MIN || eqA == GL_MAX) { + srcA = dstA = GL_ONE; + } + + if (eqRGB == GL_MIN || eqRGB == GL_MAX) { + srcRGB = dstRGB = GL_ONE; + } + + if (srcA != srcRGB || + dstA != dstRGB || + eqA != eqRGB) { + + iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | + IAB_MODIFY_ENABLE | + IAB_ENABLE | + IAB_MODIFY_FUNC | + IAB_MODIFY_SRC_FACTOR | + IAB_MODIFY_DST_FACTOR | + SRC_ABLND_FACT(i915_translate_blend_factor(srcA)) | + DST_ABLND_FACT(i915_translate_blend_factor(dstA)) | + (i915_translate_blend_func(eqA) << IAB_FUNC_SHIFT)); + } + else { + iab = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | + IAB_MODIFY_ENABLE | + 0); + } + } + + + set_dynamic_indirect( i915, + I915_DYNAMIC_IAB, + &iab, + 1 ); +} + +const struct i915_tracked_state i915_upload_IAB = { + .dirty = I915_NEW_BLEND, + .update = upload_IAB +}; + + +/*********************************************************************** + */ + + + +static void upload_DEPTHSCALE( struct i915_context *i915 ) +{ + union { GLfloat f; GLuint u; } ds[2]; + + memset( ds, 0, sizeof(ds) ); + + /* I915_NEW_SETUP + */ + ds[0].u = _3DSTATE_DEPTH_OFFSET_SCALE; + ds[1].f = i915->setup.offset_scale; + + set_dynamic_indirect( i915, + I915_DYNAMIC_DEPTHSCALE_0, + &ds[0].u, + 2 ); +} + +const struct i915_tracked_state i915_upload_DEPTHSCALE = { + .dirty = I915_NEW_SETUP, + .update = 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 ) +{ + GLuint st[2]; + + st[0] = _3DSTATE_STIPPLE; + st[1] = 0; + + /* I915_NEW_SETUP + */ + if (i915->setup.poly_stipple_enable) { + st[1] |= ST1_ENABLE; + } + + + /* I915_NEW_STIPPLE + */ + { + const GLubyte *mask = (const GLubyte *)i915->poly_stipple.stipple; + GLubyte 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 = { + .dirty = I915_NEW_SETUP | I915_NEW_STIPPLE, + .update = upload_STIPPLE +}; + + + +/*********************************************************************** + * Scissor. + */ +static void upload_SCISSOR_ENABLE( struct i915_context *i915 ) +{ + unsigned sc[1]; + + if (i915->setup.scissor) + sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT; + else + sc[0] = _3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT; + + set_dynamic_indirect( i915, + I915_DYNAMIC_SC_ENA_0, + &sc[0], + 1 ); +} + +const struct i915_tracked_state i915_upload_SCISSOR_ENABLE = { + .dirty = I915_NEW_SETUP, + .update = 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 = { + .dirty = I915_NEW_SCISSOR, + .update = 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 ); +} + |