# define GEN6_CLIP_MIN_POINT_WIDTH_SHIFT 17
# define GEN6_CLIP_MAX_POINT_WIDTH_SHIFT 6
+#define CMD_3D_SF_STATE 0x7813 /* GEN6+ */
+/* DW1 */
+# define GEN6_SF_NUM_OUTPUTS_SHIFT 22
+# define GEN6_SF_SWIZZLE_ENABLE (1 << 21)
+# define GEN6_SF_POINT_SPRITE_LOWERLEFT (1 << 20)
+# define GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT 11
+# define GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT 4
+/* DW2 */
+# define GEN6_SF_LEGACY_GLOBAL_DEPTH_BIAS (1 << 11)
+# define GEN6_SF_STATISTICS_ENABLE (1 << 10)
+# define GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID (1 << 9)
+# define GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME (1 << 8)
+# define GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT (1 << 7)
+# define GEN6_SF_FRONT_SOLID (0 << 5)
+# define GEN6_SF_FRONT_WIREFRAME (1 << 5)
+# define GEN6_SF_FRONT_POINT (2 << 5)
+# define GEN6_SF_BACK_SOLID (0 << 3)
+# define GEN6_SF_BACK_WIREFRAME (1 << 3)
+# define GEN6_SF_BACK_POINT (2 << 3)
+# define GEN6_SF_VIEWPORT_TRANSFORM_ENABLE (1 << 1)
+# define GEN6_SF_WINDING_CCW (1 << 0)
+/* DW3 */
+# define GEN6_SF_LINE_AA_ENABLE (1 << 31)
+# define GEN6_SF_CULL_BOTH (0 << 29)
+# define GEN6_SF_CULL_NONE (1 << 29)
+# define GEN6_SF_CULL_FRONT (2 << 29)
+# define GEN6_SF_CULL_BACK (3 << 29)
+# define GEN6_SF_LINE_WIDTH_SHIFT 18 /* U3.7 */
+# define GEN6_SF_LINE_END_CAP_WIDTH_0_5 (0 << 16)
+# define GEN6_SF_LINE_END_CAP_WIDTH_1_0 (1 << 16)
+# define GEN6_SF_LINE_END_CAP_WIDTH_2_0 (2 << 16)
+# define GEN6_SF_LINE_END_CAP_WIDTH_4_0 (3 << 16)
+# define GEN6_SF_SCISSOR_ENABLE (1 << 11)
+# define GEN6_SF_MSRAST_OFF_PIXEL (0 << 8)
+# define GEN6_SF_MSRAST_OFF_PATTERN (1 << 8)
+# define GEN6_SF_MSRAST_ON_PIXEL (2 << 8)
+# define GEN6_SF_MSRAST_ON_PATTERN (3 << 8)
+/* DW4 */
+# define GEN6_SF_TRI_PROVOKE_SHIFT 29
+# define GEN6_SF_LINE_PROVOKE_SHIFT 27
+# define GEN6_SF_TRIFAN_PROVOKE_SHIFT 25
+# define GEN6_SF_LINE_AA_MODE_MANHATTAN (0 << 14)
+# define GEN6_SF_LINE_AA_MODE_TRUE (1 << 14)
+# define GEN6_SF_VERTEX_SUBPIXEL_8BITS (0 << 12)
+# define GEN6_SF_VERTEX_SUBPIXEL_4BITS (1 << 12)
+# define GEN6_SF_USE_STATE_POINT_WIDTH (1 << 11)
+# define GEN6_SF_POINT_WIDTH_SHIFT 0 /* U8.3 */
+/* DW5: depth offset constant */
+/* DW6: depth offset scale */
+/* DW7: depth offset clamp */
+/* DW8 */
+# define ATTRIBUTE_1_OVERRIDE_W (1 << 31)
+# define ATTRIBUTE_1_OVERRIDE_Z (1 << 30)
+# define ATTRIBUTE_1_OVERRIDE_Y (1 << 29)
+# define ATTRIBUTE_1_OVERRIDE_X (1 << 28)
+# define ATTRIBUTE_1_CONST_SOURCE_SHIFT 25
+# define ATTRIBUTE_1_SWIZZLE_SHIFT 22
+# define ATTRIBUTE_1_SOURCE_SHIFT 16
+# define ATTRIBUTE_0_OVERRIDE_W (1 << 15)
+# define ATTRIBUTE_0_OVERRIDE_Z (1 << 14)
+# define ATTRIBUTE_0_OVERRIDE_Y (1 << 13)
+# define ATTRIBUTE_0_OVERRIDE_X (1 << 12)
+# define ATTRIBUTE_0_CONST_SOURCE_SHIFT 9
+# define ATTRIBUTE_0_SWIZZLE_SHIFT 6
+# define ATTRIBUTE_0_SOURCE_SHIFT 0
+/* DW16: Point sprite texture coordinate enables */
+/* DW17: Constant interpolation enables */
+/* DW18: attr 0-7 wrap shortest enables */
+/* DW19: attr 8-16 wrap shortest enables */
+
#define CMD_3D_CONSTANT_VS_STATE 0x7815 /* GEN6+ */
#define CMD_3D_CONSTANT_GS_STATE 0x7816 /* GEN6+ */
# define GEN6_CONSTANT_BUFFER_3_ENABLE (1 << 15)
--- /dev/null
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "brw_util.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "intel_batchbuffer.h"
+
+static void
+upload_sf_state(struct brw_context *brw)
+{
+ struct intel_context *intel = &brw->intel;
+ GLcontext *ctx = &intel->ctx;
+ /* CACHE_NEW_VS_PROG */
+ uint32_t num_inputs = brw_count_bits(brw->vs.prog_data->outputs_written);
+ /* This should probably be FS inputs read */
+ uint32_t num_outputs = brw_count_bits(brw->vs.prog_data->outputs_written);
+ uint32_t dw1, dw2, dw3, dw4;
+ int i;
+ /* _NEW_BUFFER */
+ GLboolean render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0;
+
+ dw1 =
+ num_outputs << GEN6_SF_NUM_OUTPUTS_SHIFT |
+ num_inputs << GEN6_SF_URB_ENTRY_READ_LENGTH_SHIFT |
+ 3 << GEN6_SF_URB_ENTRY_READ_OFFSET_SHIFT;
+ dw2 = GEN6_SF_VIEWPORT_TRANSFORM_ENABLE |
+ GEN6_SF_STATISTICS_ENABLE;
+ dw3 = 0;
+ dw4 = 0;
+
+ /* _NEW_POLYGON */
+ if ((ctx->Polygon.FrontFace == GL_CCW) ^ render_to_fbo)
+ dw2 |= GEN6_SF_WINDING_CCW;
+
+ /* _NEW_SCISSOR */
+ if (ctx->Scissor.Enabled)
+ dw3 |= GEN6_SF_SCISSOR_ENABLE;
+
+ /* _NEW_POLYGON */
+ if (ctx->Polygon.CullFlag) {
+ switch (ctx->Polygon.CullFaceMode) {
+ case GL_FRONT:
+ dw3 |= GEN6_SF_CULL_BOTH;
+ break;
+ case GL_BACK:
+ dw3 |= GEN6_SF_CULL_BACK;
+ break;
+ case GL_FRONT_AND_BACK:
+ dw3 |= GEN6_SF_CULL_BOTH;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ } else {
+ dw3 |= GEN6_SF_CULL_NONE;
+ }
+
+ /* _NEW_LINE */
+ dw3 |= U_FIXED(CLAMP(ctx->Line.Width, 0.0, 7.99), 7) <<
+ GEN6_SF_LINE_WIDTH_SHIFT;
+ if (ctx->Line.SmoothFlag) {
+ dw3 |= GEN6_SF_LINE_AA_ENABLE;
+ dw3 |= GEN6_SF_LINE_AA_MODE_TRUE;
+ dw3 |= GEN6_SF_LINE_END_CAP_WIDTH_1_0;
+ }
+
+ /* _NEW_POINT */
+ if (ctx->Point._Attenuated)
+ dw4 |= GEN6_SF_USE_STATE_POINT_WIDTH;
+
+ dw4 |= U_FIXED(CLAMP(ctx->Point.Size, 0.125, 225.875), 3) <<
+ GEN6_SF_POINT_WIDTH_SHIFT;
+ if (render_to_fbo)
+ dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT;
+
+ /* _NEW_LIGHT */
+ if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) {
+ dw4 |=
+ (2 << GEN6_SF_TRI_PROVOKE_SHIFT) |
+ (2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT) |
+ (1 << GEN6_SF_LINE_PROVOKE_SHIFT);
+ } else {
+ dw4 |=
+ (1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT);
+ }
+
+ BEGIN_BATCH(20);
+ OUT_BATCH(CMD_3D_SF_STATE << 16 | (20 - 2));
+ OUT_BATCH(dw1);
+ OUT_BATCH(dw2);
+ OUT_BATCH(dw3);
+ OUT_BATCH(dw4);
+ OUT_BATCH_F(ctx->Polygon.OffsetUnits * 2); /* constant. copied from gen4 */
+ OUT_BATCH_F(ctx->Polygon.OffsetFactor); /* scale */
+ OUT_BATCH_F(0.0); /* XXX: global depth offset clamp */
+ for (i = 0; i < 8; i++) {
+ /* attribute overrides */
+ OUT_BATCH(0);
+ }
+ OUT_BATCH(0); /* point sprite texcoord bitmask */
+ OUT_BATCH(0); /* constant interp bitmask */
+ OUT_BATCH(0); /* wrapshortest enables 0-7 */
+ OUT_BATCH(0); /* wrapshortest enables 8-15 */
+ ADVANCE_BATCH();
+
+ intel_batchbuffer_emit_mi_flush(intel->batch);
+}
+
+const struct brw_tracked_state gen6_sf_state = {
+ .dirty = {
+ .mesa = (_NEW_LIGHT |
+ _NEW_POLYGON |
+ _NEW_LINE |
+ _NEW_SCISSOR |
+ _NEW_BUFFERS),
+ .brw = BRW_NEW_CONTEXT,
+ .cache = CACHE_NEW_VS_PROG
+ },
+ .emit = upload_sf_state,
+};
projects / mesa.git / commitdiff