void intel_debug_flush(ScrnInfoPtr scrn)
{
intel_screen_private *intel = intel_get_screen_private(scrn);
if (intel->debug_flush & DEBUG_FLUSH_CACHES)
intel_batch_emit_flush(scrn);
if (intel->debug_flush & DEBUG_FLUSH_BATCHES)
intel_batch_submit(scrn);
}
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;
}
Bool
i830_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(source),
mask ? intel_get_pixmap_bo(mask) : NULL,
intel_get_pixmap_bo(dest),
};
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;
if (!intel_check_pitch_3d(source))
return FALSE;
if (mask) {
if (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 (i830_blend_op[op].src_alpha &&
(i830_blend_op[op].src_blend != BLENDFACTOR_ZERO)) {
intel_debug_fallback(scrn, "Component alpha not "
"supported with source alpha and "
"source value blending.\n");
return FALSE;
}
}
if (!intel_check_pitch_3d(mask))
return FALSE;
}
if (!intel_check_pitch_3d(dest))
return FALSE;
if (!i830_get_dest_format(dest_picture, &intel->render_dest_format))
return FALSE;
if (!intel_get_aperture_space(scrn, bo_table, ARRAY_SIZE(bo_table)))
return FALSE;
if (mask) {
intel->transform[1] = NULL;
intel->scale_units[1][0] = -1;
intel->scale_units[1][1] = -1;
}
{
uint32_t cblend, ablend, blendctl;
/* If component alpha is active in the mask and the blend operation
* uses the source alpha, then we know we don't need the source
* value (otherwise we would have hit a fallback earlier), so we
* provide the source alpha (src.A * mask.X) as output color.
* Conversely, if CA is set and we don't need the source alpha, then
* we produce the source value (src.X * mask.X) and the source alpha
* is unused.. Otherwise, we provide the non-CA source value
* (src.X * mask.A).
*
* The PICT_FORMAT_RGB(pict) == 0 fixups are not needed on 855+'s a8
* pictures, but we need to implement it for 830/845 and there's no
* harm done in leaving it in.
*/
cblend =
TB0C_LAST_STAGE | TB0C_RESULT_SCALE_1X | TB0C_OP_MODULE |
TB0C_OUTPUT_WRITE_CURRENT;
ablend =
TB0A_RESULT_SCALE_1X | TB0A_OP_MODULE |
TB0A_OUTPUT_WRITE_CURRENT;
/* Get the source picture's channels into TBx_ARG1 */
if ((mask_picture != NULL &&
mask_picture->componentAlpha &&
PICT_FORMAT_RGB(mask_picture->format) &&
i830_blend_op[op].src_alpha)
|| dest_picture->format == PICT_a8) {
/* Producing source alpha value, so the first set of channels
* is src.A instead of src.X. We also do this if the destination
* is a8, in which case src.G is what's written, and the other
* channels are ignored.
*/
ablend |= TB0A_ARG1_SEL_TEXEL0;
cblend |= TB0C_ARG1_SEL_TEXEL0 | TB0C_ARG1_REPLICATE_ALPHA;
} else {
if (PICT_FORMAT_RGB(source_picture->format) != 0)
cblend |= TB0C_ARG1_SEL_TEXEL0;
else
cblend |= TB0C_ARG1_SEL_ONE | TB0C_ARG1_INVERT; /* 0.0 */
ablend |= TB0A_ARG1_SEL_TEXEL0;
}
if (mask) {
cblend |= TB0C_ARG2_SEL_TEXEL1;
if (dest_picture->format == PICT_a8 ||
! mask_picture->componentAlpha ||
! PICT_FORMAT_RGB(mask_picture->format))
cblend |= TB0C_ARG2_REPLICATE_ALPHA;
ablend |= TB0A_ARG2_SEL_TEXEL1;
} else {
cblend |= TB0C_ARG2_SEL_ONE;
ablend |= TB0A_ARG2_SEL_ONE;
}
if (!i830_get_blend_cntl
(scrn, op, mask_picture, dest_picture->format, &blendctl)) {
return FALSE;
}
intel->cblend = cblend;
intel->ablend = ablend;
intel->s8_blendctl = blendctl;
}
if(intel_pixmap_is_dirty(source) ||
(mask && intel_pixmap_is_dirty(mask)))
intel_batch_emit_flush(scrn);
intel->needs_render_state_emit = TRUE;
return TRUE;
}