#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;
- /* 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 num_outputs = _mesa_bitcount_64(brw->fragment_program->Base.InputsRead);
+ /* _NEW_LIGHT */
+ bool shade_model_flat = ctx->Light.ShadeModel == GL_FLAT;
uint32_t dw1, dw10, dw11;
int i;
int attr = 0, input_index = 0;
- /* _NEW_TRANSFORM */
- int urb_start = ctx->Transform.ClipPlanesEnabled ? 2 : 1;
- /* _NEW_LIGHT */
- int two_side_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);
- uint16_t attr_overrides[FRAG_ATTRIB_MAX];
+ int urb_entry_read_offset = 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 |
- (num_inputs + 1) / 2 << GEN7_SBE_URB_ENTRY_READ_LENGTH_SHIFT |
- urb_start << GEN7_SBE_URB_ENTRY_READ_OFFSET_SHIFT;
+ dw1 = GEN7_SBE_SWIZZLE_ENABLE | num_outputs << GEN7_SBE_NUM_OUTPUTS_SHIFT;
- /* _NEW_POINT */
- if (ctx->Point.SpriteOrigin == GL_LOWER_LEFT)
- dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT;
+ /* _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;
- dw10 = 0;
- /* _NEW_LIGHT (flat shading) */
+ dw10 = 0;
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));
- }
/* 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 == 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 */
+ if (interp_qualifier == INTERP_QUALIFIER_FLAT ||
+ (shade_model_flat && is_gl_Color &&
+ interp_qualifier == INTERP_QUALIFIER_NONE))
+ dw11 |= (1 << input_index);
+
/* The hardware can only do the overrides on 16 overrides at a
* time, and the other up to 16 have to be lined up so that the
* input index = the output index. We'll need to do some
*/
assert(input_index < 16 || attr == input_index);
- attr_overrides[input_index++] = get_attr_override(brw, attr,
- two_side_color);
+ /* CACHE_NEW_VS_PROG | _NEW_LIGHT | _NEW_PROGRAM */
+ attr_overrides[input_index++] =
+ get_attr_override(&brw->vs.prog_data->vue_map,
+ urb_entry_read_offset, attr,
+ ctx->VertexProgram._TwoSideEnabled,
+ &max_source_attr);
}
- for (; attr < FRAG_ATTRIB_MAX; attr++)
- attr_overrides[input_index++] = 0;
+ /* 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);
OUT_BATCH(_3DSTATE_SBE << 16 | (14 - 2));
const struct brw_tracked_state gen7_sbe_state = {
.dirty = {
- .mesa = (_NEW_LIGHT |
+ .mesa = (_NEW_BUFFERS |
+ _NEW_LIGHT |
_NEW_POINT |
- _NEW_TRANSFORM),
+ _NEW_PROGRAM),
.brw = (BRW_NEW_CONTEXT |
BRW_NEW_FRAGMENT_PROGRAM),
.cache = CACHE_NEW_VS_PROG
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 | GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
+ dw1 = GEN6_SF_STATISTICS_ENABLE |
+ GEN6_SF_VIEWPORT_TRANSFORM_ENABLE;
/* _NEW_BUFFERS */
- dw1 |= (gen7_depth_format(brw) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
+ dw1 |= (brw_depthbuffer_format(brw) << GEN7_SF_DEPTH_BUFFER_SURFACE_FORMAT_SHIFT);
/* _NEW_POLYGON */
if ((ctx->Polygon.FrontFace == GL_CCW) ^ render_to_fbo)
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_POINT */
+ /* _NEW_PROGRAM | _NEW_POINT */
if (!(ctx->VertexProgram.PointSizeEnabled || ctx->Point._Attenuated))
dw3 |= GEN6_SF_USE_STATE_POINT_WIDTH;
const struct brw_tracked_state gen7_sf_state = {
.dirty = {
.mesa = (_NEW_LIGHT |
+ _NEW_PROGRAM |
_NEW_POLYGON |
_NEW_LINE |
_NEW_SCISSOR |
_NEW_BUFFERS |
- _NEW_POINT),
- .brw = (BRW_NEW_CONTEXT),
+ _NEW_POINT |
+ _NEW_MULTISAMPLE),
+ .brw = BRW_NEW_CONTEXT,
.cache = CACHE_NEW_VS_PROG
},
.emit = upload_sf_state,
projects / mesa.git / blobdiff