#include "brw_defines.h"
#include "brw_util.h"
#include "main/macros.h"
+#include "main/fbobject.h"
#include "intel_batchbuffer.h"
static void
{
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
- struct brw_vue_map vue_map;
- uint32_t urb_entry_read_length;
- /* CACHE_NEW_VS_PROG */
- GLbitfield64 vs_outputs_written = brw->vs.prog_data->outputs_written;
/* BRW_NEW_FRAGMENT_PROGRAM */
uint32_t num_outputs = _mesa_bitcount_64(brw->fragment_program->Base.InputsRead);
/* _NEW_LIGHT */
uint32_t dw1, dw10, dw11;
int i;
int attr = 0, input_index = 0;
- /* _NEW_TRANSFORM */
int urb_entry_read_offset = 1;
- bool userclip_active = (ctx->Transform.ClipPlanesEnabled != 0);
- uint16_t attr_overrides[FRAG_ATTRIB_MAX];
-
- brw_compute_vue_map(&vue_map, intel, userclip_active, vs_outputs_written);
- urb_entry_read_length = (vue_map.num_slots + 1)/2 - urb_entry_read_offset;
- if (urb_entry_read_length == 0) {
- /* Setting the URB entry read length to 0 causes undefined behavior, so
- * if we have no URB data to read, set it to 1.
- */
- urb_entry_read_length = 1;
- }
+ uint16_t attr_overrides[VARYING_SLOT_MAX];
+ /* _NEW_BUFFERS */
+ bool render_to_fbo = _mesa_is_user_fbo(ctx->DrawBuffer);
+ uint32_t point_sprite_origin;
/* FINISHME: Attribute Swizzle Control Mode? */
- dw1 =
- GEN7_SBE_SWIZZLE_ENABLE |
- num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT |
- urb_entry_read_length << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
- urb_entry_read_offset << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT;
+ dw1 = GEN7_SBE_SWIZZLE_ENABLE | num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT;
+
+ /* _NEW_POINT
+ *
+ * Window coordinates in an FBO are inverted, which means point
+ * sprite origin must be inverted.
+ */
+ if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo) {
+ point_sprite_origin = GEN6_SF_POINT_SPRITE_LOWERLEFT;
+ } else {
+ point_sprite_origin = GEN6_SF_POINT_SPRITE_UPPERLEFT;
+ }
+ dw1 |= point_sprite_origin;
- /* _NEW_POINT */
- if (ctx->Point.SpriteOrigin == GL_LOWER_LEFT)
- dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT;
dw10 = 0;
dw11 = 0;
/* Create the mapping from the FS inputs we produce to the VS outputs
* they source from.
*/
- for (; attr < FRAG_ATTRIB_MAX; attr++) {
+ uint32_t max_source_attr = 0;
+ for (; attr < VARYING_SLOT_MAX; attr++) {
enum glsl_interp_qualifier interp_qualifier =
brw->fragment_program->InterpQualifier[attr];
- bool is_gl_Color = attr == FRAG_ATTRIB_COL0 || attr == FRAG_ATTRIB_COL1;
+ bool is_gl_Color = attr == VARYING_SLOT_COL0 || attr == VARYING_SLOT_COL1;
if (!(brw->fragment_program->Base.InputsRead & BITFIELD64_BIT(attr)))
continue;
if (ctx->Point.PointSprite &&
- attr >= FRAG_ATTRIB_TEX0 && attr <= FRAG_ATTRIB_TEX7 &&
- ctx->Point.CoordReplace[attr - FRAG_ATTRIB_TEX0]) {
+ attr >= VARYING_SLOT_TEX0 && attr <= VARYING_SLOT_TEX7 &&
+ ctx->Point.CoordReplace[attr - VARYING_SLOT_TEX0]) {
dw10 |= (1 << input_index);
}
- if (attr == FRAG_ATTRIB_PNTC)
+ if (attr == VARYING_SLOT_PNTC)
dw10 |= (1 << input_index);
/* flat shading */
*/
assert(input_index < 16 || attr == input_index);
- /* _NEW_LIGHT | _NEW_PROGRAM */
+ /* CACHE_NEW_VS_PROG | _NEW_LIGHT | _NEW_PROGRAM */
attr_overrides[input_index++] =
- get_attr_override(&vue_map, urb_entry_read_offset, attr,
- ctx->VertexProgram._TwoSideEnabled);
+ get_attr_override(&brw->vs.prog_data->vue_map,
+ urb_entry_read_offset, attr,
+ ctx->VertexProgram._TwoSideEnabled,
+ &max_source_attr);
}
- for (; input_index < FRAG_ATTRIB_MAX; input_index++)
+ /* From the Ivy Bridge PRM, Volume 2, Part 1, documentation for
+ * 3DSTATE_SBE DWord 1 bits 15:11, "Vertex URB Entry Read Length":
+ *
+ * "This field should be set to the minimum length required to read the
+ * maximum source attribute. The maximum source attribute is indicated
+ * by the maximum value of the enabled Attribute # Source Attribute if
+ * Attribute Swizzle Enable is set, Number of Output Attributes-1 if
+ * enable is not set.
+ *
+ * read_length = ceiling((max_source_attr + 1) / 2)"
+ */
+ uint32_t urb_entry_read_length = ALIGN(max_source_attr + 1, 2) / 2;
+ dw1 |= urb_entry_read_length << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
+ urb_entry_read_offset << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT;
+
+ for (; input_index < VARYING_SLOT_MAX; input_index++)
attr_overrides[input_index] = 0;
BEGIN_BATCH(14);
const struct brw_tracked_state gen7_sbe_state = {
.dirty = {
- .mesa = (_NEW_LIGHT |
+ .mesa = (_NEW_BUFFERS |
+ _NEW_LIGHT |
_NEW_POINT |
- _NEW_PROGRAM |
- _NEW_TRANSFORM),
+ _NEW_PROGRAM),
.brw = (BRW_NEW_CONTEXT |
- BRW_NEW_FRAGMENT_PROGRAM |
- BRW_NEW_HIZ),
+ BRW_NEW_FRAGMENT_PROGRAM),
.cache = CACHE_NEW_VS_PROG
},
.emit = upload_sbe_state,
uint32_t dw1, dw2, dw3;
float point_size;
/* _NEW_BUFFERS */
- bool render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0;
+ bool render_to_fbo = _mesa_is_user_fbo(brw->intel.ctx.DrawBuffer);
+ bool multisampled_fbo = ctx->DrawBuffer->Visual.samples > 1;
- dw1 = GEN6_SF_STATISTICS_ENABLE;
-
- /* Enable viewport transform only if no HiZ operation is progress
- *
- * From page 11 of the SandyBridge PRM, Volume 2, Part 1, Section 1.3, "3D
- * Primitives Overview":
- * RECTLIST: Viewport Mapping must be DISABLED (as is typical with the
- * use of screen- space coordinates).
- */
- if (!brw->hiz.op)
- dw1 |= GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
+ dw1 = GEN6_SF_STATISTICS_ENABLE |
+ GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
/* _NEW_BUFFERS */
dw1 |= (brw_depthbuffer_format(brw) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
dw2 |= GEN6_SF_SCISSOR_ENABLE;
/* _NEW_LINE */
- dw2 |= U_FIXED(CLAMP(ctx->Line.Width, 0.0, 7.99), 7) <<
- GEN6_SF_LINE_WIDTH_SHIFT;
+ {
+ uint32_t line_width_u3_7 = U_FIXED(CLAMP(ctx->Line.Width, 0.0, 7.99), 7);
+ /* TODO: line width of 0 is not allowed when MSAA enabled */
+ if (line_width_u3_7 == 0)
+ line_width_u3_7 = 1;
+ dw2 |= line_width_u3_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;
}
+ if (ctx->Line.StippleFlag && intel->is_haswell) {
+ dw2 |= HSW_SF_LINE_STIPPLE_ENABLE;
+ }
+ /* _NEW_MULTISAMPLE */
+ if (multisampled_fbo && ctx->Multisample.Enabled)
+ dw2 |= GEN6_SF_MSRAST_ON_PATTERN;
/* FINISHME: Last Pixel Enable? Vertex Sub Pixel Precision Select?
- * FINISHME: AA Line Distance Mode?
*/
- dw3 = 0;
+ dw3 = GEN6_SF_LINE_AA_MODE_TRUE;
/* _NEW_PROGRAM | _NEW_POINT */
if (!(ctx->VertexProgram.PointSizeEnabled || ctx->Point._Attenuated))
_NEW_LINE |
_NEW_SCISSOR |
_NEW_BUFFERS |
- _NEW_POINT),
- .brw = (BRW_NEW_CONTEXT |
- BRW_NEW_HIZ),
+ _NEW_POINT |
+ _NEW_MULTISAMPLE),
+ .brw = BRW_NEW_CONTEXT,
.cache = CACHE_NEW_VS_PROG
},
.emit = upload_sf_state,