diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/vg_state.c')
| -rw-r--r-- | src/gallium/state_trackers/vega/vg_state.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/vg_state.c b/src/gallium/state_trackers/vega/vg_state.c new file mode 100644 index 0000000000..6f6bfdaf7a --- /dev/null +++ b/src/gallium/state_trackers/vega/vg_state.c @@ -0,0 +1,124 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include "vg_state.h" + +#include <string.h> + +void vg_init_state(struct vg_state *state) +{ + state->matrix_mode = VG_MATRIX_PATH_USER_TO_SURFACE; + state->fill_rule = VG_EVEN_ODD; + state->image_quality = VG_IMAGE_QUALITY_FASTER; + state->rendering_quality = VG_RENDERING_QUALITY_BETTER; + state->blend_mode = VG_BLEND_SRC_OVER; + state->image_mode = VG_DRAW_IMAGE_NORMAL; + + memset(state->scissor_rects, 0, sizeof(state->scissor_rects)); + state->scissor_rects_num = 0; + + state->color_transform = VG_FALSE; + state->color_transform_values[0] = 1.0f; + state->color_transform_values[1] = 1.0f; + state->color_transform_values[2] = 1.0f; + state->color_transform_values[3] = 1.0f; + state->color_transform_values[4] = 0.0f; + state->color_transform_values[5] = 0.0f; + state->color_transform_values[6] = 0.0f; + state->color_transform_values[7] = 0.0f; + + /* Stroke parameters */ + state->stroke.line_width.f = 1.0f; + state->stroke.line_width.i = 1; + state->stroke.cap_style = VG_CAP_BUTT; + state->stroke.join_style = VG_JOIN_MITER; + state->stroke.miter_limit.f = 4.0f; + state->stroke.miter_limit.i = 4; + state->stroke.dash_pattern_num = 0; + state->stroke.dash_phase.f = 0.0f; + state->stroke.dash_phase.i = 0; + state->stroke.dash_phase_reset = VG_FALSE; + + /* Edge fill color for VG_TILE_FILL tiling mode */ + state->tile_fill_color[0] = 0.0f; + state->tile_fill_color[1] = 0.0f; + state->tile_fill_color[2] = 0.0f; + state->tile_fill_color[3] = 0.0f; + + /* Color for vgClear */ + state->clear_color[0] = 0.0f; + state->clear_color[1] = 0.0f; + state->clear_color[2] = 0.0f; + state->clear_color[3] = 0.0f; + + /* Glyph origin */ + state->glyph_origin[0].f = 0.0f; + state->glyph_origin[1].f = 0.0f; + state->glyph_origin[0].i = 0; + state->glyph_origin[1].i = 0; + + /* Enable/disable alpha masking and scissoring */ + state->masking = VG_FALSE; + state->scissoring = VG_FALSE; + + /* Pixel layout information */ + state->pixel_layout = VG_PIXEL_LAYOUT_UNKNOWN; + state->screen_layout = VG_PIXEL_LAYOUT_UNKNOWN; + + /* Source format selection for image filters */ + state->filter_format_linear = VG_FALSE; + state->filter_format_premultiplied = VG_FALSE; + + /* Destination write enable mask for image filters */ + state->filter_channel_mask = (VG_RED | VG_GREEN | VG_BLUE | VG_ALPHA); + + matrix_load_identity(&state->path_user_to_surface_matrix); + matrix_load_identity(&state->image_user_to_surface_matrix); + matrix_load_identity(&state->fill_paint_to_user_matrix); + matrix_load_identity(&state->stroke_paint_to_user_matrix); + matrix_load_identity(&state->glyph_user_to_surface_matrix); +} + +struct matrix *vg_state_matrix(struct vg_state *state) +{ + switch(state->matrix_mode) { + case VG_MATRIX_PATH_USER_TO_SURFACE: + return &state->path_user_to_surface_matrix; + case VG_MATRIX_IMAGE_USER_TO_SURFACE: + return &state->image_user_to_surface_matrix; + case VG_MATRIX_FILL_PAINT_TO_USER: + return &state->fill_paint_to_user_matrix; + case VG_MATRIX_STROKE_PAINT_TO_USER: + return &state->stroke_paint_to_user_matrix; +#ifdef OPENVG_VERSION_1_1 + case VG_MATRIX_GLYPH_USER_TO_SURFACE: + return &state->glyph_user_to_surface_matrix; +#endif + default: + break; + } + return NULL; +} |