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drm/i915: Handle clip/combine coords for spans.

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This commit is contained in:
Chris Wilson 2010-03-04 17:13:02 +00:00
parent e1f0c2e73f
commit 8e702044b3
1 changed files with 43 additions and 28 deletions
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71
src/drm/cairo-drm-i915-spans.c
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@ -280,8 +280,13 @@ i915_span_generic (i915_spans_t *spans,
*vertices++ = alpha;
if (spans->need_clip_surface) {
s = x1, t = y1;
cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
*vertices++ = s; *vertices++ = t;
cairo_matrix_transform_point (&spans->shader.clip.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
if (spans->shader.need_combine) {
s = x1, t = y1;
cairo_matrix_transform_point (&spans->shader.dst.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
/* bottom left */
@ -305,8 +310,13 @@ i915_span_generic (i915_spans_t *spans,
*vertices++ = alpha;
if (spans->need_clip_surface) {
s = x0, t = y1;
cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
*vertices++ = s; *vertices++ = t;
cairo_matrix_transform_point (&spans->shader.clip.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
if (spans->shader.need_combine) {
s = x0, t = y1;
cairo_matrix_transform_point (&spans->shader.dst.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
/* top left */
@ -330,8 +340,13 @@ i915_span_generic (i915_spans_t *spans,
*vertices++ = alpha;
if (spans->need_clip_surface) {
s = x0, t = y0;
cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
*vertices++ = s; *vertices++ = t;
cairo_matrix_transform_point (&spans->shader.clip.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
if (spans->shader.need_combine) {
s = x0, t = y0;
cairo_matrix_transform_point (&spans->shader.dst.base.matrix, &s, &t);
*vertices++ = texcoord_2d_16 (s, t);
}
}
@ -543,28 +558,6 @@ i915_spans_init (i915_spans_t *spans,
if (unlikely (status))
return status;
if (! spans->need_clip_surface) {
switch (spans->shader.source.type.vertex) {
case VS_CONSTANT:
spans->span = i915_span_constant;
break;
case VS_LINEAR:
spans->span = i915_span_linear;
break;
case VS_TEXTURE:
spans->span = i915_span_texture;
break;
case VS_TEXTURE_16:
spans->span = i915_span_texture16;
break;
default:
spans->span = i915_span_generic;
break;
}
} else {
spans->span = i915_span_generic;
}
spans->rectangle_size = 3 * (2 + i915_shader_num_texcoords (&spans->shader));
return CAIRO_STATUS_SUCCESS;
}
@ -626,6 +619,28 @@ i915_clip_and_composite_spans (i915_surface_t *dst,
if (unlikely (status))
goto CLEANUP_DEVICE;
if (!spans.shader.need_combine && ! spans.need_clip_surface) {
switch (spans.shader.source.type.vertex) {
case VS_CONSTANT:
spans.span = i915_span_constant;
break;
case VS_LINEAR:
spans.span = i915_span_linear;
break;
case VS_TEXTURE:
spans.span = i915_span_texture;
break;
case VS_TEXTURE_16:
spans.span = i915_span_texture16;
break;
default:
spans.span = i915_span_generic;
break;
}
} else {
spans.span = i915_span_generic;
}
status = draw_func (draw_closure, &spans.renderer, spans.extents);
if (spans.clip_region != NULL && status == CAIRO_STATUS_SUCCESS) {
intel_bo_unmap (spans.tail->bo);