--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "macros.h"
+
+#include "i915_state_inlines.h"
+#include "i915_context.h"
+#include "i915_state.h"
+#include "i915_reg.h"
+
+
+/* All state expressable with the LOAD_STATE_IMMEDIATE_1 packet.
+ * Would like to opportunistically recombine all these fragments into
+ * a single packet containing only what has changed, but for now emit
+ * as multiple packets.
+ */
+
+
+struct i915_tracked_state {
+ unsigned dirty;
+ void (*update)( struct i915_context * );
+};
+
+
+
+/***********************************************************************
+ * S4: Vertex format, rasterization state
+ */
+static void upload_S2S4(struct i915_context *i915)
+{
+ GLuint LIS2, LIS4;
+
+ /* I915_NEW_VERTEX_FORMAT */
+ LIS2 = 0xffffffff;
+ LIS4 = (S4_VFMT_XYZ | S4_VFMT_COLOR);
+
+
+ /* I915_NEW_SETUP */
+ switch (i915->setup.cull_mode) {
+ case PIPE_WINDING_NONE:
+ LIS4 |= S4_CULLMODE_NONE;
+ break;
+ case PIPE_WINDING_CW:
+ LIS4 |= S4_CULLMODE_CW;
+ break;
+ case PIPE_WINDING_CCW:
+ LIS4 |= S4_CULLMODE_CCW;
+ break;
+ case PIPE_WINDING_BOTH:
+ LIS4 |= S4_CULLMODE_BOTH;
+ break;
+ }
+
+ /* I915_NEW_SETUP */
+ {
+ int line_width = CLAMP((int)(i915->setup.line_width * 2), 1, 0xf);
+
+ LIS4 |= line_width << S4_LINE_WIDTH_SHIFT;
+
+ if (i915->setup.line_smooth)
+ LIS4 |= S4_LINE_ANTIALIAS_ENABLE;
+ }
+
+ /* I915_NEW_SETUP */
+ {
+ GLint point_size = CLAMP((int) i915->setup.point_size, 1, 0xff);
+
+ LIS4 |= point_size << S4_POINT_WIDTH_SHIFT;
+ }
+
+ /* I915_NEW_SETUP */
+ if (i915->setup.flatshade) {
+ LIS4 |= (S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
+ }
+
+
+ if (LIS2 != i915->current.immediate[I915_IMMEDIATE_S2] ||
+ LIS4 != i915->current.immediate[I915_IMMEDIATE_S4]) {
+
+ i915->current.immediate[I915_IMMEDIATE_S2] = LIS2;
+ i915->current.immediate[I915_IMMEDIATE_S4] = LIS4;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+
+const struct i915_tracked_state i915_upload_S2S4 = {
+ .dirty = I915_NEW_SETUP | I915_NEW_VERTEX_FORMAT,
+ .update = upload_S2S4
+};
+
+
+
+/***********************************************************************
+ *
+ */
+static void upload_S5( struct i915_context *i915 )
+{
+ GLuint LIS5 = 0;
+
+ /* I915_NEW_STENCIL */
+ if (i915->stencil.front_enabled) {
+ GLint test = i915_translate_compare_func(i915->stencil.front_func);
+ GLint fop = i915_translate_stencil_op(i915->stencil.front_fail_op);
+ GLint dfop = i915_translate_stencil_op(i915->stencil.front_zfail_op);
+ GLint dpop = i915_translate_stencil_op(i915->stencil.front_zpass_op);
+ GLint ref = i915->stencil.ref_value[0] & 0xff;
+
+ LIS5 |= (S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE |
+ (ref << S5_STENCIL_REF_SHIFT) |
+ (test << S5_STENCIL_TEST_FUNC_SHIFT) |
+ (fop << S5_STENCIL_FAIL_SHIFT) |
+ (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
+ }
+
+ /* I915_NEW_BLEND */
+ if (i915->blend.logicop_enable)
+ LIS5 |= S5_LOGICOP_ENABLE;
+
+ if (i915->blend.dither)
+ LIS5 |= S5_COLOR_DITHER_ENABLE;
+
+ if ((i915->blend.colormask & PIPE_MASK_R) == 0)
+ LIS5 |= S5_WRITEDISABLE_RED;
+
+ if ((i915->blend.colormask & PIPE_MASK_G) == 0)
+ LIS5 |= S5_WRITEDISABLE_GREEN;
+
+ if ((i915->blend.colormask & PIPE_MASK_B) == 0)
+ LIS5 |= S5_WRITEDISABLE_BLUE;
+
+ if ((i915->blend.colormask & PIPE_MASK_A) == 0)
+ LIS5 |= S5_WRITEDISABLE_ALPHA;
+
+
+#if 0
+ /* I915_NEW_SETUP */
+ if (i915->state.Polygon->OffsetFill) {
+ LIS5 |= S5_GLOBAL_DEPTH_OFFSET_ENABLE;
+ }
+#endif
+
+
+ if (LIS5 != i915->current.immediate[I915_IMMEDIATE_S5]) {
+ i915->current.immediate[I915_IMMEDIATE_S5] = LIS5;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S5 = {
+ .dirty = (I915_NEW_STENCIL | I915_NEW_BLEND | I915_NEW_SETUP),
+ .update = upload_S5
+};
+
+
+/***********************************************************************
+ */
+static void upload_S6( struct i915_context *i915 )
+{
+ GLuint LIS6 = (S6_COLOR_WRITE_ENABLE |
+ (2 << S6_TRISTRIP_PV_SHIFT));
+
+ /* I915_NEW_ALPHA_TEST
+ */
+ if (i915->alpha_test.enabled) {
+ int test = i915_translate_compare_func(i915->alpha_test.func);
+ GLubyte refByte;
+
+ CLAMPED_FLOAT_TO_UBYTE(refByte, i915->alpha_test.ref);
+
+
+ LIS6 |= (S6_ALPHA_TEST_ENABLE |
+ (test << S6_ALPHA_TEST_FUNC_SHIFT) |
+ (((unsigned) refByte) << S6_ALPHA_REF_SHIFT));
+ }
+
+ /* I915_NEW_BLEND
+ */
+ if (i915->blend.blend_enable)
+ {
+ GLuint funcRGB = i915->blend.rgb_func;
+ GLuint srcRGB = i915->blend.rgb_src_factor;
+ GLuint dstRGB = i915->blend.rgb_dst_factor;
+
+ LIS6 |= (S6_CBUF_BLEND_ENABLE |
+ SRC_BLND_FACT(i915_translate_blend_factor(srcRGB)) |
+ DST_BLND_FACT(i915_translate_blend_factor(dstRGB)) |
+ (i915_translate_blend_func(funcRGB) << S6_CBUF_BLEND_FUNC_SHIFT));
+ }
+
+ /* I915_NEW_DEPTH
+ */
+ if (i915->depth_test.enabled) {
+ GLint func = i915_translate_compare_func(i915->depth_test.func);
+
+ LIS6 |= (S6_DEPTH_TEST_ENABLE |
+ (func << S6_DEPTH_TEST_FUNC_SHIFT));
+
+ if (i915->depth_test.writemask)
+ LIS6 |= S6_DEPTH_WRITE_ENABLE;
+ }
+
+ if (LIS6 != i915->current.immediate[I915_IMMEDIATE_S6]) {
+ i915->current.immediate[I915_IMMEDIATE_S6] = LIS6;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S6 = {
+ .dirty = I915_NEW_ALPHA_TEST | I915_NEW_BLEND | I915_NEW_DEPTH_TEST,
+ .update = upload_S6
+};
+
+
+/***********************************************************************
+ */
+static void upload_S7( struct i915_context *i915 )
+{
+ GLfloat LIS7;
+
+ /* I915_NEW_SETUP
+ */
+ LIS7 = i915->setup.offset_units; /* probably incorrect */
+
+ if (LIS7 != i915->current.immediate[I915_IMMEDIATE_S7]) {
+ i915->current.immediate[I915_IMMEDIATE_S7] = LIS7;
+ i915->hardware_dirty |= I915_HW_IMMEDIATE;
+ }
+}
+
+const struct i915_tracked_state i915_upload_S7 = {
+ .dirty = I915_NEW_SETUP,
+ .update = upload_S7
+};
+
+
+static const struct i915_tracked_state *atoms[] = {
+ &i915_upload_S2S4,
+ &i915_upload_S5,
+ &i915_upload_S6,
+ &i915_upload_S7
+};
+
+/*
+ */
+void i915_update_immediate( struct i915_context *i915 )
+{
+ int i;
+
+ for (i = 0; i < Elements(atoms); i++)
+ if (i915->dirty & atoms[i]->dirty)
+ atoms[i]->update( i915 );
+}
--- /dev/null
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef I915_STATE_INLINES_H
+#define I915_STATE_INLINES_H
+
+#include "p_defines.h"
+#include "i915_reg.h"
+
+
+static INLINE unsigned
+i915_translate_compare_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_FUNC_NEVER:
+ return COMPAREFUNC_NEVER;
+ case PIPE_FUNC_LESS:
+ return COMPAREFUNC_LESS;
+ case PIPE_FUNC_LEQUAL:
+ return COMPAREFUNC_LEQUAL;
+ case PIPE_FUNC_GREATER:
+ return COMPAREFUNC_GREATER;
+ case PIPE_FUNC_GEQUAL:
+ return COMPAREFUNC_GEQUAL;
+ case PIPE_FUNC_NOTEQUAL:
+ return COMPAREFUNC_NOTEQUAL;
+ case PIPE_FUNC_EQUAL:
+ return COMPAREFUNC_EQUAL;
+ case PIPE_FUNC_ALWAYS:
+ return COMPAREFUNC_ALWAYS;
+ default:
+ return COMPAREFUNC_ALWAYS;
+ }
+}
+
+static INLINE unsigned
+i915_translate_stencil_op(unsigned op)
+{
+ switch (op) {
+ case PIPE_STENCIL_OP_KEEP:
+ return STENCILOP_KEEP;
+ case PIPE_STENCIL_OP_ZERO:
+ return STENCILOP_ZERO;
+ case PIPE_STENCIL_OP_REPLACE:
+ return STENCILOP_REPLACE;
+ case PIPE_STENCIL_OP_INCR:
+ return STENCILOP_INCRSAT;
+ case PIPE_STENCIL_OP_DECR:
+ return STENCILOP_DECRSAT;
+ case PIPE_STENCIL_OP_INCR_WRAP:
+ return STENCILOP_INCR;
+ case PIPE_STENCIL_OP_DECR_WRAP:
+ return STENCILOP_DECR;
+ case PIPE_STENCIL_OP_INVERT:
+ return STENCILOP_INVERT;
+ default:
+ return STENCILOP_ZERO;
+ }
+}
+
+static INLINE unsigned
+i915_translate_blend_factor(unsigned factor)
+{
+ switch (factor) {
+ case PIPE_BLENDFACTOR_ZERO:
+ return BLENDFACT_ZERO;
+ case PIPE_BLENDFACTOR_SRC_ALPHA:
+ return BLENDFACT_SRC_ALPHA;
+ case PIPE_BLENDFACTOR_ONE:
+ return BLENDFACT_ONE;
+ case PIPE_BLENDFACTOR_SRC_COLOR:
+ return BLENDFACT_SRC_COLR;
+ case PIPE_BLENDFACTOR_INV_SRC_COLOR:
+ return BLENDFACT_INV_SRC_COLR;
+ case PIPE_BLENDFACTOR_DST_COLOR:
+ return BLENDFACT_DST_COLR;
+ case PIPE_BLENDFACTOR_INV_DST_COLOR:
+ return BLENDFACT_INV_DST_COLR;
+ case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
+ return BLENDFACT_INV_SRC_ALPHA;
+ case PIPE_BLENDFACTOR_DST_ALPHA:
+ return BLENDFACT_DST_ALPHA;
+ case PIPE_BLENDFACTOR_INV_DST_ALPHA:
+ return BLENDFACT_INV_DST_ALPHA;
+ case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
+ return BLENDFACT_SRC_ALPHA_SATURATE;
+ case PIPE_BLENDFACTOR_CONST_COLOR:
+ return BLENDFACT_CONST_COLOR;
+ case PIPE_BLENDFACTOR_INV_CONST_COLOR:
+ return BLENDFACT_INV_CONST_COLOR;
+ case PIPE_BLENDFACTOR_CONST_ALPHA:
+ return BLENDFACT_CONST_ALPHA;
+ case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
+ return BLENDFACT_INV_CONST_ALPHA;
+ default:
+ return BLENDFACT_ZERO;
+ }
+}
+
+static INLINE unsigned
+i915_translate_blend_func(unsigned mode)
+{
+ switch (mode) {
+ case PIPE_BLEND_ADD:
+ return BLENDFUNC_ADD;
+ case PIPE_BLEND_MIN:
+ return BLENDFUNC_MIN;
+ case PIPE_BLEND_MAX:
+ return BLENDFUNC_MAX;
+ case PIPE_BLEND_SUBTRACT:
+ return BLENDFUNC_SUBTRACT;
+ case PIPE_BLEND_REVERSE_SUBTRACT:
+ return BLENDFUNC_REVERSE_SUBTRACT;
+ default:
+ return 0;
+ }
+}
+
+
+static INLINE unsigned
+i915_translate_logic_op(unsigned opcode)
+{
+ switch (opcode) {
+ case PIPE_LOGICOP_CLEAR:
+ return LOGICOP_CLEAR;
+ case PIPE_LOGICOP_AND:
+ return LOGICOP_AND;
+ case PIPE_LOGICOP_AND_REVERSE:
+ return LOGICOP_AND_RVRSE;
+ case PIPE_LOGICOP_COPY:
+ return LOGICOP_COPY;
+ case PIPE_LOGICOP_COPY_INVERTED:
+ return LOGICOP_COPY_INV;
+ case PIPE_LOGICOP_AND_INVERTED:
+ return LOGICOP_AND_INV;
+ case PIPE_LOGICOP_NOOP:
+ return LOGICOP_NOOP;
+ case PIPE_LOGICOP_XOR:
+ return LOGICOP_XOR;
+ case PIPE_LOGICOP_OR:
+ return LOGICOP_OR;
+ case PIPE_LOGICOP_OR_INVERTED:
+ return LOGICOP_OR_INV;
+ case PIPE_LOGICOP_NOR:
+ return LOGICOP_NOR;
+ case PIPE_LOGICOP_EQUIV:
+ return LOGICOP_EQUIV;
+ case PIPE_LOGICOP_INVERT:
+ return LOGICOP_INV;
+ case PIPE_LOGICOP_OR_REVERSE:
+ return LOGICOP_OR_RVRSE;
+ case PIPE_LOGICOP_NAND:
+ return LOGICOP_NAND;
+ case PIPE_LOGICOP_SET:
+ return LOGICOP_SET;
+ default:
+ return LOGICOP_SET;
+ }
+}
+
+
+
+static INLINE GLboolean i915_validate_vertices( GLuint hw_prim, GLuint nr )
+{
+ GLboolean ok;
+
+ switch (hw_prim) {
+ case PRIM3D_POINTLIST:
+ ok = (nr >= 1);
+ assert(ok);
+ break;
+ case PRIM3D_LINELIST:
+ ok = (nr >= 2) && (nr % 2) == 0;
+ assert(ok);
+ break;
+ case PRIM3D_LINESTRIP:
+ ok = (nr >= 2);
+ assert(ok);
+ break;
+ case PRIM3D_TRILIST:
+ ok = (nr >= 3) && (nr % 3) == 0;
+ assert(ok);
+ break;
+ case PRIM3D_TRISTRIP:
+ ok = (nr >= 3);
+ assert(ok);
+ break;
+ case PRIM3D_TRIFAN:
+ ok = (nr >= 3);
+ assert(ok);
+ break;
+ case PRIM3D_POLY:
+ ok = (nr >= 3);
+ assert(ok);
+ break;
+ default:
+ assert(0);
+ ok = 0;
+ break;
+ }
+
+ return ok;
+}
+
+
+#endif
projects / mesa.git / commitdiff