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Diffstat (limited to 'libs/cairo-1.16.0/src/drm/cairo-drm-i915-spans.c')
-rw-r--r--libs/cairo-1.16.0/src/drm/cairo-drm-i915-spans.c799
1 files changed, 799 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/drm/cairo-drm-i915-spans.c b/libs/cairo-1.16.0/src/drm/cairo-drm-i915-spans.c
new file mode 100644
index 0000000..f40bb2f
--- /dev/null
+++ b/libs/cairo-1.16.0/src/drm/cairo-drm-i915-spans.c
@@ -0,0 +1,799 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#include "cairoint.h"
+
+#include "cairo-composite-rectangles-private.h"
+#include "cairo-boxes-private.h"
+#include "cairo-error-private.h"
+#include "cairo-drm-i915-private.h"
+
+/* Operates in either immediate or retained mode.
+ * When given a clip region we record the sequence of vbo and then
+ * replay them for each clip rectangle, otherwise we simply emit
+ * the vbo straight into the command stream.
+ */
+
+typedef struct _i915_spans i915_spans_t;
+
+typedef float *
+(*i915_get_rectangle_func_t) (i915_spans_t *spans);
+
+typedef void
+(*i915_span_func_t) (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1,
+ int alpha);
+
+struct _i915_spans {
+ cairo_span_renderer_t renderer;
+
+ i915_device_t *device;
+
+ int xmin, xmax;
+ cairo_bool_t is_bounded;
+ const cairo_rectangle_int_t *extents;
+
+ i915_get_rectangle_func_t get_rectangle;
+ i915_span_func_t span;
+ i915_shader_t shader;
+
+ cairo_region_t *clip_region;
+ cairo_bool_t need_clip_surface;
+
+ struct vbo {
+ struct vbo *next;
+ intel_bo_t *bo;
+ unsigned int count;
+ } head, *tail;
+
+ unsigned int vbo_offset;
+ float *vbo_base;
+};
+
+static float *
+i915_emit_rectangle (i915_spans_t *spans)
+{
+ return i915_add_rectangle (spans->device);
+}
+
+static float *
+i915_accumulate_rectangle (i915_spans_t *spans)
+{
+ float *vertices;
+ uint32_t size;
+
+ size = spans->device->rectangle_size;
+ if (unlikely (spans->vbo_offset + size > I915_VBO_SIZE)) {
+ struct vbo *vbo;
+
+ vbo = _cairo_malloc (sizeof (struct vbo));
+ if (unlikely (vbo == NULL)) {
+ /* throw error! */
+ }
+
+ spans->tail->next = vbo;
+ spans->tail = vbo;
+
+ vbo->next = NULL;
+ vbo->bo = intel_bo_create (&spans->device->intel,
+ I915_VBO_SIZE, I915_VBO_SIZE,
+ FALSE, I915_TILING_NONE, 0);
+ vbo->count = 0;
+
+ spans->vbo_offset = 0;
+ spans->vbo_base = intel_bo_map (&spans->device->intel, vbo->bo);
+ }
+
+ vertices = spans->vbo_base + spans->vbo_offset;
+ spans->vbo_offset += size;
+ spans->tail->count += 3;
+
+ return vertices;
+}
+
+static void
+i915_span_zero (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1,
+ int alpha)
+{
+ float *vertices;
+
+ vertices = spans->get_rectangle (spans);
+
+ *vertices++ = x1;
+ *vertices++ = y1;
+
+ *vertices++ = x0;
+ *vertices++ = y1;
+
+ *vertices++ = x0;
+ *vertices++ = y0;
+}
+
+static void
+i915_span_constant (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1,
+ int alpha)
+{
+ float *vertices;
+ float a = alpha / 255.;
+
+ vertices = spans->get_rectangle (spans);
+
+ *vertices++ = x1;
+ *vertices++ = y1;
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y1;
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y0;
+ *vertices++ = a;
+}
+
+static void
+i915_span_linear (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1,
+ int alpha)
+{
+ float *vertices;
+ float a = alpha / 255.;
+ double s, t;
+
+ vertices = spans->get_rectangle (spans);
+
+ *vertices++ = x1;
+ *vertices++ = y1;
+ s = x0, t = y0;
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y1;
+ s = x1, t = y0;
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y0;
+ s = x1, t = y1;
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ *vertices++ = a;
+}
+
+static void
+i915_span_texture (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1,
+ int alpha)
+{
+ float *vertices;
+ float a = alpha / 255.;
+ double s, t;
+
+ vertices = spans->get_rectangle (spans);
+
+ *vertices++ = x1;
+ *vertices++ = y1;
+ s = x0, t = y0;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y1;
+ s = x1, t = y0;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y0;
+ s = x1, t = y1;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ *vertices++ = a;
+}
+
+static void
+i915_span_texture16 (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1, int alpha)
+{
+ float *vertices;
+ float a = alpha / 255.;
+ double s, t;
+
+ vertices = spans->get_rectangle (spans);
+
+ *vertices++ = x1;
+ *vertices++ = y1;
+ s = x0, t = y0;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y1;
+ s = x1, t = y0;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ *vertices++ = a;
+
+ *vertices++ = x0;
+ *vertices++ = y0;
+ s = x1, t = y1;
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ *vertices++ = a;
+}
+
+static void
+i915_span_generic (i915_spans_t *spans,
+ int x0, int x1, int y0, int y1, int alpha)
+{
+ double s, t;
+ float *vertices;
+ float a = alpha / 255.;
+
+ /* Each vertex is:
+ * 2 vertex coordinates
+ * [0-2] source texture coordinates
+ * 1 alpha value.
+ * [0,2] clip mask coordinates
+ */
+
+ vertices = spans->get_rectangle (spans);
+
+ /* bottom right */
+ *vertices++ = x1; *vertices++ = y1;
+ s = x1, t = y1;
+ switch (spans->shader.source.type.vertex) {
+ case VS_ZERO:
+ case VS_CONSTANT:
+ break;
+ case VS_LINEAR:
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ break;
+ case VS_TEXTURE:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ break;
+ case VS_TEXTURE_16:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ break;
+ }
+ *vertices++ = a;
+ if (spans->need_clip_surface) {
+ s = x1, t = y1;
+ 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 */
+ *vertices++ = x0; *vertices++ = y1;
+ s = x0, t = y1;
+ switch (spans->shader.source.type.vertex) {
+ case VS_ZERO:
+ case VS_CONSTANT:
+ break;
+ case VS_LINEAR:
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ break;
+ case VS_TEXTURE:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ break;
+ case VS_TEXTURE_16:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ break;
+ }
+ *vertices++ = a;
+ if (spans->need_clip_surface) {
+ s = x0, t = y1;
+ 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 */
+ *vertices++ = x0; *vertices++ = y0;
+ s = x0, t = y0;
+ switch (spans->shader.source.type.vertex) {
+ case VS_ZERO:
+ case VS_CONSTANT:
+ break;
+ case VS_LINEAR:
+ *vertices++ = i915_shader_linear_texcoord (&spans->shader.source.linear, s, t);
+ break;
+ case VS_TEXTURE:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = s; *vertices++ = t;
+ break;
+ case VS_TEXTURE_16:
+ cairo_matrix_transform_point (&spans->shader.source.base.matrix, &s, &t);
+ *vertices++ = texcoord_2d_16 (s, t);
+ break;
+ }
+ *vertices++ = a;
+ if (spans->need_clip_surface) {
+ s = x0, t = y0;
+ 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);
+ }
+}
+
+static cairo_status_t
+i915_zero_spans_mono (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+ int x0, x1;
+
+ if (num_spans == 0)
+ return CAIRO_STATUS_SUCCESS;
+
+ do {
+ while (num_spans && half[0].coverage < 128)
+ half++, num_spans--;
+ if (num_spans == 0)
+ break;
+
+ x0 = x1 = half[0].x;
+ while (num_spans--) {
+ half++;
+
+ x1 = half[0].x;
+ if (half[0].coverage < 128)
+ break;
+ }
+
+ i915_span_zero (spans,
+ x0, x1,
+ y, y + height,
+ 0);
+ } while (num_spans);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_zero_spans (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+ int x0, x1;
+
+ if (num_spans == 0)
+ return CAIRO_STATUS_SUCCESS;
+
+ do {
+ while (num_spans && half[0].coverage == 0)
+ half++, num_spans--;
+ if (num_spans == 0)
+ break;
+
+ x0 = x1 = half[0].x;
+ while (num_spans--) {
+ half++;
+
+ x1 = half[0].x;
+ if (half[0].coverage == 0)
+ break;
+ }
+
+ i915_span_zero (spans,
+ x0, x1,
+ y, y + height,
+ 0);
+ } while (num_spans);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_bounded_spans_mono (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+
+ if (num_spans == 0)
+ return CAIRO_STATUS_SUCCESS;
+
+ do {
+ if (half[0].coverage >= 128) {
+ spans->span (spans,
+ half[0].x, half[1].x,
+ y, y + height,
+ 255);
+ }
+ half++;
+ } while (--num_spans > 1);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_bounded_spans (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+
+ if (num_spans == 0)
+ return CAIRO_STATUS_SUCCESS;
+
+ do {
+ if (half[0].coverage) {
+ spans->span (spans,
+ half[0].x, half[1].x,
+ y, y + height,
+ half[0].coverage);
+ }
+ half++;
+ } while (--num_spans > 1);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_unbounded_spans (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+
+ if (num_spans == 0) {
+ spans->span (spans,
+ spans->xmin, spans->xmax,
+ y, y + height,
+ 0);
+ return CAIRO_STATUS_SUCCESS;
+ }
+
+ if (half[0].x != spans->xmin) {
+ spans->span (spans,
+ spans->xmin, half[0].x,
+ y, y + height,
+ 0);
+ }
+
+ do {
+ spans->span (spans,
+ half[0].x, half[1].x,
+ y, y + height,
+ half[0].coverage);
+ half++;
+ } while (--num_spans > 1);
+
+ if (half[0].x != spans->xmax) {
+ spans->span (spans,
+ half[0].x, spans->xmax,
+ y, y + height,
+ 0);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_unbounded_spans_mono (void *abstract_renderer,
+ int y, int height,
+ const cairo_half_open_span_t *half,
+ unsigned num_spans)
+{
+ i915_spans_t *spans = abstract_renderer;
+
+ if (num_spans == 0) {
+ spans->span (spans,
+ spans->xmin, spans->xmax,
+ y, y + height,
+ 0);
+ return CAIRO_STATUS_SUCCESS;
+ }
+
+ if (half[0].x != spans->xmin) {
+ spans->span (spans,
+ spans->xmin, half[0].x,
+ y, y + height,
+ 0);
+ }
+
+ do {
+ int alpha = 0;
+ if (half[0].coverage >= 128)
+ alpha = 255;
+ spans->span (spans,
+ half[0].x, half[1].x,
+ y, y + height,
+ alpha);
+ half++;
+ } while (--num_spans > 1);
+
+ if (half[0].x != spans->xmax) {
+ spans->span (spans,
+ half[0].x, spans->xmax,
+ y, y + height,
+ 0);
+ }
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_status_t
+i915_spans_init (i915_spans_t *spans,
+ i915_surface_t *dst,
+ cairo_operator_t op,
+ const cairo_pattern_t *pattern,
+ cairo_antialias_t antialias,
+ cairo_clip_t *clip,
+ double opacity,
+ const cairo_composite_rectangles_t *extents)
+{
+ cairo_status_t status;
+
+ spans->device = (i915_device_t *) dst->intel.drm.base.device;
+
+ spans->is_bounded = extents->is_bounded;
+ if (extents->is_bounded) {
+ if (antialias == CAIRO_ANTIALIAS_NONE)
+ spans->renderer.render_rows = i915_bounded_spans_mono;
+ else
+ spans->renderer.render_rows = i915_bounded_spans;
+
+ spans->extents = &extents->bounded;
+ } else {
+ if (antialias == CAIRO_ANTIALIAS_NONE)
+ spans->renderer.render_rows = i915_unbounded_spans_mono;
+ else
+ spans->renderer.render_rows = i915_unbounded_spans;
+
+ spans->extents = &extents->unbounded;
+ }
+ spans->xmin = spans->extents->x;
+ spans->xmax = spans->extents->x + spans->extents->width;
+
+ spans->clip_region = NULL;
+ spans->need_clip_surface = FALSE;
+ if (clip != NULL) {
+ cairo_region_t *clip_region = NULL;
+
+ status = _cairo_clip_get_region (clip, &clip_region);
+ assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED);
+
+ if (clip_region != NULL && cairo_region_num_rectangles (clip_region) == 1)
+ clip_region = NULL;
+
+ spans->clip_region = clip_region;
+ spans->need_clip_surface = status == CAIRO_INT_STATUS_UNSUPPORTED;
+ }
+
+ spans->head.next = NULL;
+ spans->head.bo = NULL;
+ spans->head.count = 0;
+ spans->tail = &spans->head;
+
+ if (spans->clip_region == NULL) {
+ spans->get_rectangle = i915_emit_rectangle;
+ } else {
+ assert (! extents->is_bounded);
+ spans->get_rectangle = i915_accumulate_rectangle;
+ spans->head.bo = intel_bo_create (&spans->device->intel,
+ I915_VBO_SIZE, I915_VBO_SIZE,
+ FALSE, I915_TILING_NONE, 0);
+ if (unlikely (spans->head.bo == NULL))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+
+ spans->vbo_base = intel_bo_map (&spans->device->intel, spans->head.bo);
+ }
+ spans->vbo_offset = 0;
+
+ i915_shader_init (&spans->shader, dst, op, opacity);
+ if (spans->need_clip_surface)
+ i915_shader_set_clip (&spans->shader, clip);
+
+ status = i915_shader_acquire_pattern (&spans->shader, &spans->shader.source,
+ pattern, &extents->bounded);
+ if (unlikely (status))
+ return status;
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static void
+i915_spans_fini (i915_spans_t *spans)
+{
+ i915_shader_fini (&spans->shader);
+
+ if (spans->head.bo != NULL) {
+ struct vbo *vbo, *next;
+
+ intel_bo_destroy (&spans->device->intel, spans->head.bo);
+ for (vbo = spans->head.next; vbo != NULL; vbo = next) {
+ next = vbo->next;
+ intel_bo_destroy (&spans->device->intel, vbo->bo);
+ free (vbo);
+ }
+ }
+}
+
+cairo_status_t
+i915_clip_and_composite_spans (i915_surface_t *dst,
+ cairo_operator_t op,
+ const cairo_pattern_t *pattern,
+ cairo_antialias_t antialias,
+ i915_spans_func_t draw_func,
+ void *draw_closure,
+ const cairo_composite_rectangles_t*extents,
+ cairo_clip_t *clip,
+ double opacity)
+{
+ i915_spans_t spans;
+ i915_device_t *device;
+ cairo_status_t status;
+ struct vbo *vbo;
+
+ if (i915_surface_needs_tiling (dst)) {
+ ASSERT_NOT_REACHED;
+ return CAIRO_INT_STATUS_UNSUPPORTED;
+ }
+
+ if (op == CAIRO_OPERATOR_CLEAR) {
+ pattern = &_cairo_pattern_white.base;
+ op = CAIRO_OPERATOR_DEST_OUT;
+ }
+
+ status = i915_spans_init (&spans, dst, op, pattern, antialias, clip, opacity, extents);
+ if (unlikely (status))
+ return status;
+
+ spans.shader.mask.base.texfmt = TEXCOORDFMT_1D;
+ spans.shader.mask.base.content = CAIRO_CONTENT_ALPHA;
+ spans.shader.mask.type.fragment = FS_SPANS;
+
+ status = cairo_device_acquire (dst->intel.drm.base.device);
+ if (unlikely (status))
+ goto CLEANUP_SPANS;
+
+ if (dst->deferred_clear) {
+ status = i915_surface_clear (dst);
+ if (unlikely (status))
+ goto CLEANUP_SPANS;
+ }
+
+ device = i915_device (dst);
+ status = i915_shader_commit (&spans.shader, device);
+ if (unlikely (status))
+ goto CLEANUP_DEVICE;
+
+ if (! spans.shader.need_combine && ! spans.need_clip_surface) {
+ switch (spans.shader.source.type.vertex) {
+ case VS_ZERO:
+ spans.span = i915_span_zero;
+ if (extents->is_bounded) {
+ if (antialias == CAIRO_ANTIALIAS_NONE)
+ spans.renderer.render_rows = i915_zero_spans_mono;
+ else
+ spans.renderer.render_rows = i915_zero_spans;
+ }
+ break;
+ 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) {
+ i915_vbo_finish (device);
+
+ OUT_DWORD (_3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT);
+ for (vbo = &spans.head; vbo != NULL; vbo = vbo->next) {
+ int i, num_rectangles;
+
+ /* XXX require_space & batch_flush */
+
+ OUT_DWORD (_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S (0) | I1_LOAD_S (1) | 1);
+ i915_batch_emit_reloc (device, vbo->bo, 0,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ FALSE);
+ OUT_DWORD ((device->floats_per_vertex << S1_VERTEX_WIDTH_SHIFT) |
+ (device->floats_per_vertex << S1_VERTEX_PITCH_SHIFT) |
+ vbo->count);
+
+ num_rectangles = cairo_region_num_rectangles (spans.clip_region);
+ for (i = 0; i < num_rectangles; i++) {
+ cairo_rectangle_int_t rect;
+
+ cairo_region_get_rectangle (spans.clip_region, i, &rect);
+
+ OUT_DWORD (_3DSTATE_SCISSOR_RECT_0_CMD);
+ OUT_DWORD (SCISSOR_RECT_0_XMIN (rect.x) |
+ SCISSOR_RECT_0_YMIN (rect.y));
+ OUT_DWORD (SCISSOR_RECT_0_XMAX (rect.x + rect.width) |
+ SCISSOR_RECT_0_YMAX (rect.y + rect.height));
+
+ OUT_DWORD (PRIM3D_RECTLIST | PRIM3D_INDIRECT_SEQUENTIAL | vbo->count);
+ OUT_DWORD (0);
+ }
+ }
+ OUT_DWORD (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
+ }
+
+CLEANUP_DEVICE:
+ cairo_device_release (dst->intel.drm.base.device);
+CLEANUP_SPANS:
+ i915_spans_fini (&spans);
+
+ return status;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 05:36:32 +0000