--- /dev/null
+/*
+ * Copyright © 2011 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.
+ */
+
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "brw_util.h"
+#include "main/macros.h"
+#include "intel_batchbuffer.h"
+
+static void
+upload_sbe_state(struct brw_context *brw)
+{
+ struct intel_context *intel = &brw->intel;
+ struct gl_context *ctx = &intel->ctx;
+ /* CACHE_NEW_VS_PROG */
+ uint32_t num_inputs = brw_count_bits(brw->vs.prog_data->outputs_written);
+ /* BRW_NEW_FRAGMENT_PROGRAM */
+ uint32_t num_outputs = brw_count_bits(brw->fragment_program->Base.InputsRead);
+ uint32_t dw1, dw10, dw11;
+ int i;
+ int attr = 0;
+ /* _NEW_TRANSFORM */
+ int urb_start = ctx->Transform.ClipPlanesEnabled ? 2 : 1;
+ /* _NEW_LIGHT */
+ int two_side_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);
+
+ /* FINISHME: Attribute Swizzle Control Mode? */
+ dw1 =
+ GEN7_SBE_SWIZZLE_ENABLE |
+ num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT |
+ (num_inputs + 1) / 2 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
+ urb_start << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT;
+
+ /* _NEW_POINT */
+ if (ctx->Point.SpriteOrigin == GL_LOWER_LEFT)
+ dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT;
+
+ dw10 = 0;
+ if (ctx->Point.PointSprite) {
+ for (i = 0; i < 8; i++) {
+ if (ctx->Point.CoordReplace[i])
+ dw10 |= (1 << i);
+ }
+ }
+
+ /* _NEW_LIGHT (flat shading) */
+ dw11 = 0;
+ if (ctx->Light.ShadeModel == GL_FLAT) {
+ dw11 |= ((brw->fragment_program->Base.InputsRead & (FRAG_BIT_COL0 | FRAG_BIT_COL1)) >>
+ ((brw->fragment_program->Base.InputsRead & FRAG_BIT_WPOS) ? 0 : 1));
+ }
+
+ BEGIN_BATCH(14);
+ OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2));
+ OUT_BATCH(dw1);
+
+ /* Output dwords 2 through 9 */
+ for (i = 0; i < 8; i++) {
+ uint32_t attr_overrides = 0;
+
+ for (; attr < 64; attr++) {
+ if (brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(attr)) {
+ attr_overrides |= get_attr_override(brw, attr, two_side_color);
+ attr++;
+ break;
+ }
+ }
+
+ for (; attr < 64; attr++) {
+ if (brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(attr)) {
+ attr_overrides |= get_attr_override(brw, attr, two_side_color) << 16;
+ attr++;
+ break;
+ }
+ }
+ OUT_BATCH(attr_overrides);
+ }
+
+ OUT_BATCH(dw10); /* point sprite texcoord bitmask */
+ OUT_BATCH(dw11); /* constant interp bitmask */
+ OUT_BATCH(0); /* wrapshortest enables 0-7 */
+ OUT_BATCH(0); /* wrapshortest enables 8-15 */
+ ADVANCE_BATCH();
+}
+
+const struct brw_tracked_state gen7_sbe_state = {
+ .dirty = {
+ .mesa = (_NEW_LIGHT |
+ _NEW_POINT |
+ _NEW_TRANSFORM),
+ .brw = (BRW_NEW_CONTEXT |
+ BRW_NEW_FRAGMENT_PROGRAM),
+ .cache = CACHE_NEW_VS_PROG
+ },
+ .emit = upload_sbe_state,
+};
+
+static void
+upload_sf_state(struct brw_context *brw)
+{
+ struct intel_context *intel = &brw->intel;
+ struct gl_context *ctx = &intel->ctx;
+ uint32_t dw1, dw2, dw3;
+ float point_size;
+ /* _NEW_BUFFERS */
+ bool render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0;
+
+ /* FINISHME: Depth Buffer Surface Format? */
+ dw1 = GEN6_SF_STATISTICS_ENABLE | GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
+
+ /* _NEW_POLYGON */
+ if ((ctx->Polygon.FrontFace == GL_CCW) ^ render_to_fbo)
+ dw1 |= GEN6_SF_WINDING_CCW;
+
+ if (ctx->Polygon.OffsetFill)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_SOLID;
+
+ if (ctx->Polygon.OffsetLine)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_WIREFRAME;
+
+ if (ctx->Polygon.OffsetPoint)
+ dw1 |= GEN6_SF_GLOBAL_DEPTH_OFFSET_POINT;
+
+ switch (ctx->Polygon.FrontMode) {
+ case GL_FILL:
+ dw1 |= GEN6_SF_FRONT_SOLID;
+ break;
+
+ case GL_LINE:
+ dw1 |= GEN6_SF_FRONT_WIREFRAME;
+ break;
+
+ case GL_POINT:
+ dw1 |= GEN6_SF_FRONT_POINT;
+ break;
+
+ default:
+ assert(0);
+ break;
+ }
+
+ switch (ctx->Polygon.BackMode) {
+ case GL_FILL:
+ dw1 |= GEN6_SF_BACK_SOLID;
+ break;
+
+ case GL_LINE:
+ dw1 |= GEN6_SF_BACK_WIREFRAME;
+ break;
+
+ case GL_POINT:
+ dw1 |= GEN6_SF_BACK_POINT;
+ break;
+
+ default:
+ assert(0);
+ break;
+ }
+
+ dw2 = 0;
+
+ if (ctx->Polygon.CullFlag) {
+ switch (ctx->Polygon.CullFaceMode) {
+ case GL_FRONT:
+ dw2 |= GEN6_SF_CULL_FRONT;
+ break;
+ case GL_BACK:
+ dw2 |= GEN6_SF_CULL_BACK;
+ break;
+ case GL_FRONT_AND_BACK:
+ dw2 |= GEN6_SF_CULL_BOTH;
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ } else {
+ dw2 |= GEN6_SF_CULL_NONE;
+ }
+
+ /* _NEW_SCISSOR */
+ if (ctx->Scissor.Enabled)
+ dw2 |= GEN6_SF_SCISSOR_ENABLE;
+
+ /* _NEW_LINE */
+ dw2 |= U_FIXED(CLAMP(ctx->Line.Width, 0.0, 7.99), 7) <<
+ GEN6_SF_LINE_WIDTH_SHIFT;
+ if (ctx->Line.SmoothFlag) {
+ dw2 |= GEN6_SF_LINE_AA_ENABLE;
+ dw2 |= GEN6_SF_LINE_AA_MODE_TRUE;
+ dw2 |= GEN6_SF_LINE_END_CAP_WIDTH_1_0;
+ }
+
+ /* FINISHME: Last Pixel Enable? Vertex Sub Pixel Precision Select?
+ * FINISHME: AA Line Distance Mode?
+ */
+
+ dw3 = 0;
+
+ /* _NEW_POINT */
+ if (!(ctx->VertexProgram.PointSizeEnabled || ctx->Point._Attenuated))
+ dw3 |= GEN6_SF_USE_STATE_POINT_WIDTH;
+
+ /* Clamp to ARB_point_parameters user limits */
+ point_size = CLAMP(ctx->Point.Size, ctx->Point.MinSize, ctx->Point.MaxSize);
+
+ /* Clamp to the hardware limits and convert to fixed point */
+ dw3 |= U_FIXED(CLAMP(point_size, 0.125, 255.875), 3);
+
+ /* _NEW_LIGHT */
+ if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) {
+ dw3 |=
+ (2 << GEN6_SF_TRI_PROVOKE_SHIFT) |
+ (2 << GEN6_SF_TRIFAN_PROVOKE_SHIFT) |
+ (1 << GEN6_SF_LINE_PROVOKE_SHIFT);
+ } else {
+ dw3 |= (1 << GEN6_SF_TRIFAN_PROVOKE_SHIFT);
+ }
+
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_SF << 16 | (7 - 2));
+ OUT_BATCH(dw1);
+ OUT_BATCH(dw2);
+ OUT_BATCH(dw3);
+ 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 */
+ ADVANCE_BATCH();
+}
+
+const struct brw_tracked_state gen7_sf_state = {
+ .dirty = {
+ .mesa = (_NEW_LIGHT |
+ _NEW_POLYGON |
+ _NEW_LINE |
+ _NEW_SCISSOR |
+ _NEW_BUFFERS |
+ _NEW_POINT),
+ .brw = BRW_NEW_CONTEXT,
+ .cache = CACHE_NEW_VS_PROG
+ },
+ .emit = upload_sf_state,
+};
projects / mesa.git / commitdiff