void intel_batch_emit_flush(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
int flags;
assert (!intel->in_batch_atomic);
/* Big hammer, look to the pipelined flushes in future. */
if ((INTEL_INFO(intel)->gen >= 060)) {
if (intel->current_batch == BLT_BATCH) {
BEGIN_BATCH_BLT(4);
OUT_BATCH(MI_FLUSH_DW | 2);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
} else {
if ((INTEL_INFO(intel)->gen == 060)) {
/* HW-Workaround for Sandybdrige */
intel_emit_post_sync_nonzero_flush(scrn);
} else {
BEGIN_BATCH(4);
OUT_BATCH(BRW_PIPE_CONTROL | (4 - 2));
OUT_BATCH(BRW_PIPE_CONTROL_WC_FLUSH |
BRW_PIPE_CONTROL_TC_FLUSH |
BRW_PIPE_CONTROL_NOWRITE);
OUT_BATCH(0); /* write address */
OUT_BATCH(0); /* write data */
ADVANCE_BATCH();
}
}
} else {
flags = MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE;
if (INTEL_INFO(intel)->gen >= 040)
flags = 0;
BEGIN_BATCH(1);
OUT_BATCH(MI_FLUSH | flags);
ADVANCE_BATCH();
}
intel_batch_do_flush(scrn);
}
static void i915_emit_composite_setup(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
int op = intel->i915_render_state.op;
PicturePtr mask_picture = intel->render_mask_picture;
PicturePtr dest_picture = intel->render_dest_picture;
PixmapPtr mask = intel->render_mask;
PixmapPtr dest = intel->render_dest;
Bool is_solid_src, is_solid_mask;
int tex_count, t;
intel->needs_render_state_emit = FALSE;
IntelEmitInvarientState(scrn);
intel->last_3d = LAST_3D_RENDER;
is_solid_src = intel->render_source_is_solid;
is_solid_mask = intel->render_mask_is_solid;
tex_count = 0;
tex_count += ! is_solid_src;
tex_count += mask && ! is_solid_mask;
assert(intel->in_batch_atomic);
if (tex_count != 0) {
OUT_BATCH(_3DSTATE_MAP_STATE | (3 * tex_count));
OUT_BATCH((1 << tex_count) - 1);
for (t = 0; t < tex_count; t++) {
OUT_RELOC_PIXMAP(intel->texture[t], I915_GEM_DOMAIN_SAMPLER, 0, 0);
OUT_BATCH(intel->mapstate[3*t + 1]);
OUT_BATCH(intel->mapstate[3*t + 2]);
}
OUT_BATCH(_3DSTATE_SAMPLER_STATE | (3 * tex_count));
OUT_BATCH((1 << tex_count) - 1);
for (t = 0; t < tex_count; t++) {
OUT_BATCH(intel->samplerstate[3*t + 0]);
OUT_BATCH(intel->samplerstate[3*t + 1]);
OUT_BATCH(intel->samplerstate[3*t + 2]);
}
}
if (is_solid_src) {
OUT_BATCH (_3DSTATE_DFLT_DIFFUSE_CMD);
OUT_BATCH (intel->render_source_solid);
}
if (mask && is_solid_mask) {
OUT_BATCH (_3DSTATE_DFLT_SPEC_CMD);
OUT_BATCH (intel->render_mask_solid);
}
/* BUF_INFO is an implicit flush, so avoid if the target has not changed.
* XXX However for reasons unfathomed, correct rendering in KDE requires
* at least a MI_FLUSH | INHIBIT_RENDER_CACHE_FLUSH here.
*/
if (1 || dest != intel->render_current_dest) {
uint32_t tiling_bits;
intel_batch_do_flush(scrn);
if (intel_pixmap_tiled(dest)) {
tiling_bits = BUF_3D_TILED_SURFACE;
if (intel_get_pixmap_private(dest)->tiling
== I915_TILING_Y)
tiling_bits |= BUF_3D_TILE_WALK_Y;
} else
tiling_bits = 0;
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(BUF_3D_ID_COLOR_BACK | tiling_bits |
BUF_3D_PITCH(intel_pixmap_pitch(dest)));
OUT_RELOC_PIXMAP(dest, I915_GEM_DOMAIN_RENDER,
I915_GEM_DOMAIN_RENDER, 0);
OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
OUT_BATCH(intel->i915_render_state.dst_format);
/* draw rect is unconditional */
OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
OUT_BATCH(0x00000000);
OUT_BATCH(0x00000000); /* ymin, xmin */
OUT_BATCH(DRAW_YMAX(dest->drawable.height - 1) |
DRAW_XMAX(dest->drawable.width - 1));
/* yorig, xorig (relate to color buffer?) */
OUT_BATCH(0x00000000);
intel->render_current_dest = dest;
}
{
uint32_t ss2;
ss2 = ~0;
t = 0;
if (! is_solid_src) {
ss2 &= ~S2_TEXCOORD_FMT(t, TEXCOORDFMT_NOT_PRESENT);
ss2 |= S2_TEXCOORD_FMT(t,
intel_transform_is_affine(intel->transform[t]) ?
TEXCOORDFMT_2D : TEXCOORDFMT_4D);
t++;
}
if (mask && ! is_solid_mask) {
ss2 &= ~S2_TEXCOORD_FMT(t, TEXCOORDFMT_NOT_PRESENT);
ss2 |= S2_TEXCOORD_FMT(t,
intel_transform_is_affine(intel->transform[t]) ?
TEXCOORDFMT_2D : TEXCOORDFMT_4D);
t++;
}
if (intel->needs_render_ca_pass) {
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(2) | 0);
OUT_BATCH(ss2);
} else {
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(2) | I1_LOAD_S(6) | 1);
OUT_BATCH(ss2);
OUT_BATCH(i915_get_blend_cntl(op, mask_picture, dest_picture->format));
}
}
if (! intel->needs_render_ca_pass)
i915_composite_emit_shader(intel, op);
}
Bool
i915_prepare_composite(int op, PicturePtr source_picture,
PicturePtr mask_picture, PicturePtr dest_picture,
PixmapPtr source, PixmapPtr mask, PixmapPtr dest)
{
ScrnInfoPtr scrn = xf86Screens[dest_picture->pDrawable->pScreen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
drm_intel_bo *bo_table[] = {
NULL, /* batch_bo */
intel_get_pixmap_bo(dest),
source ? intel_get_pixmap_bo(source) : NULL,
mask ? intel_get_pixmap_bo(mask) : NULL,
};
int tex_unit = 0;
int floats_per_vertex;
intel->render_source_picture = source_picture;
intel->render_source = source;
intel->render_mask_picture = mask_picture;
intel->render_mask = mask;
intel->render_dest_picture = dest_picture;
intel->render_dest = dest;
intel->render_source_is_solid = FALSE;
if (source_picture->pSourcePict) {
SourcePict *source = source_picture->pSourcePict;
if (source->type == SourcePictTypeSolidFill) {
intel->render_source_is_solid = TRUE;
intel->render_source_solid = source->solidFill.color;
}
}
if (!intel->render_source_is_solid && !intel_check_pitch_3d(source))
return FALSE;
intel->render_mask_is_solid = FALSE;
if (mask) {
if (mask_picture->pSourcePict) {
SourcePict *source = mask_picture->pSourcePict;
if (source->type == SourcePictTypeSolidFill) {
intel->render_mask_is_solid = TRUE;
intel->render_mask_solid = source->solidFill.color;
}
}
if (!intel->render_mask_is_solid && !intel_check_pitch_3d(mask))
return FALSE;
}
if (!intel_check_pitch_3d(dest))
return FALSE;
if (!i915_get_dest_format(dest_picture,
&intel->i915_render_state.dst_format))
return FALSE;
if (!intel_get_aperture_space(scrn, bo_table, ARRAY_SIZE(bo_table)))
return FALSE;
intel->needs_render_ca_pass = FALSE;
if (mask_picture != NULL && mask_picture->componentAlpha &&
PICT_FORMAT_RGB(mask_picture->format)) {
/* Check if it's component alpha that relies on a source alpha
* and on the source value. We can only get one of those
* into the single source value that we get to blend with.
*/
if (i915_blend_op[op].src_alpha &&
(i915_blend_op[op].src_blend != BLENDFACT_ZERO)) {
if (op != PictOpOver)
return FALSE;
intel->needs_render_ca_pass = TRUE;
}
}
intel->transform[0] = NULL;
intel->scale_units[0][0] = -1;
intel->scale_units[0][1] = -1;
intel->transform[1] = NULL;
intel->scale_units[1][0] = -1;
intel->scale_units[1][1] = -1;
floats_per_vertex = 2; /* dest x/y */
if (! intel->render_source_is_solid) {
if (!i915_texture_setup(source_picture, source, tex_unit++)) {
intel_debug_fallback(scrn, "fail to setup src texture\n");
return FALSE;
}
if (intel_transform_is_affine(source_picture->transform))
floats_per_vertex += 2; /* src x/y */
else
floats_per_vertex += 4; /* src x/y/z/w */
}
if (mask != NULL) {
if (! intel->render_mask_is_solid) {
if (!i915_texture_setup(mask_picture, mask, tex_unit++)) {
intel_debug_fallback(scrn,
"fail to setup mask texture\n");
return FALSE;
}
if (intel_transform_is_affine(mask_picture->transform))
floats_per_vertex += 2; /* mask x/y */
else
floats_per_vertex += 4; /* mask x/y/z/w */
}
}
intel->i915_render_state.op = op;
/* BUF_INFO is an implicit flush */
if (dest != intel->render_current_dest)
intel_batch_do_flush(scrn);
else if((source && intel_pixmap_is_dirty(source)) ||
(mask && intel_pixmap_is_dirty(mask)))
intel_batch_emit_flush(scrn);
intel->needs_render_state_emit = TRUE;
intel->prim_emit = i915_emit_composite_primitive;
if (!mask) {
if (intel->render_source_is_solid)
intel->prim_emit = i915_emit_composite_primitive_constant;
else if (intel->transform[0] == NULL)
intel->prim_emit = i915_emit_composite_primitive_identity_source;
else if (intel_transform_is_affine(intel->transform[0]))
intel->prim_emit = i915_emit_composite_primitive_affine_source;
} else {
if (intel->transform[0] == NULL) {
if (intel->render_source_is_solid)
intel->prim_emit = i915_emit_composite_primitive_constant_identity_mask;
else if (intel->transform[1] == NULL)
intel->prim_emit = i915_emit_composite_primitive_identity_source_mask;
}
}
if (floats_per_vertex != intel->floats_per_vertex) {
intel->floats_per_vertex = floats_per_vertex;
intel->needs_render_vertex_emit = TRUE;
}
return TRUE;
}
