diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/image.c')
-rw-r--r-- | src/gallium/state_trackers/vega/image.c | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/image.c b/src/gallium/state_trackers/vega/image.c new file mode 100644 index 0000000000..9a722980d5 --- /dev/null +++ b/src/gallium/state_trackers/vega/image.c @@ -0,0 +1,654 @@ +/************************************************************************** + * + * 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 "image.h" + +#include "vg_translate.h" +#include "vg_context.h" +#include "matrix.h" +#include "renderer.h" +#include "util_array.h" +#include "api_consts.h" +#include "shaders_cache.h" +#include "shader.h" + +#include "pipe/p_context.h" +#include "pipe/p_screen.h" +#include "pipe/p_inlines.h" +#include "util/u_blit.h" +#include "util/u_tile.h" +#include "util/u_memory.h" +#include "util/u_math.h" + +static enum pipe_format vg_format_to_pipe(VGImageFormat format) +{ + switch(format) { + case VG_sRGB_565: + return PIPE_FORMAT_R5G6B5_UNORM; + case VG_sRGBA_5551: + return PIPE_FORMAT_A1R5G5B5_UNORM; + case VG_sRGBA_4444: + return PIPE_FORMAT_A4R4G4B4_UNORM; + case VG_sL_8: + case VG_lL_8: + return PIPE_FORMAT_L8_UNORM; + case VG_BW_1: + return PIPE_FORMAT_A8R8G8B8_UNORM; + case VG_A_8: + return PIPE_FORMAT_A8_UNORM; +#ifdef OPENVG_VERSION_1_1 + case VG_A_1: + case VG_A_4: + return PIPE_FORMAT_A8_UNORM; +#endif + default: + return PIPE_FORMAT_A8R8G8B8_UNORM; + } +} + +static INLINE void vg_sync_size(VGfloat *src_loc, VGfloat *dst_loc) +{ + src_loc[2] = MIN2(src_loc[2], dst_loc[2]); + src_loc[3] = MIN2(src_loc[3], dst_loc[3]); + dst_loc[2] = src_loc[2]; + dst_loc[3] = src_loc[3]; +} + + +static void vg_copy_texture(struct vg_context *ctx, + struct pipe_texture *dst, VGint dx, VGint dy, + struct pipe_texture *src, VGint sx, VGint sy, + VGint width, VGint height) +{ + VGfloat dst_loc[4], src_loc[4]; + VGfloat dst_bounds[4], src_bounds[4]; + VGfloat src_shift[4], dst_shift[4], shift[4]; + + dst_loc[0] = dx; + dst_loc[1] = dy; + dst_loc[2] = width; + dst_loc[3] = height; + dst_bounds[0] = 0.f; + dst_bounds[1] = 0.f; + dst_bounds[2] = dst->width[0]; + dst_bounds[3] = dst->height[0]; + + src_loc[0] = sx; + src_loc[1] = sy; + src_loc[2] = width; + src_loc[3] = height; + src_bounds[0] = 0.f; + src_bounds[1] = 0.f; + src_bounds[2] = src->width[0]; + src_bounds[3] = src->height[0]; + + vg_bound_rect(src_loc, src_bounds, src_shift); + vg_bound_rect(dst_loc, dst_bounds, dst_shift); + shift[0] = src_shift[0] - dst_shift[0]; + shift[1] = src_shift[1] - dst_shift[1]; + + if (shift[0] < 0) + vg_shift_rectx(src_loc, src_bounds, -shift[0]); + else + vg_shift_rectx(dst_loc, dst_bounds, shift[0]); + + if (shift[1] < 0) + vg_shift_recty(src_loc, src_bounds, -shift[1]); + else + vg_shift_recty(dst_loc, dst_bounds, shift[1]); + + vg_sync_size(src_loc, dst_loc); + + if (src_loc[2] >= 0 && src_loc[3] >= 0 && + dst_loc[2] >= 0 && dst_loc[3] >= 0) { + renderer_copy_texture(ctx->renderer, + src, + src_loc[0], + src_loc[1] + src_loc[3], + src_loc[0] + src_loc[2], + src_loc[1], + dst, + dst_loc[0], + dst_loc[1] + dst_loc[3], + dst_loc[0] + dst_loc[2], + dst_loc[1]); + } + +} + +void vg_copy_surface(struct vg_context *ctx, + struct pipe_surface *dst, VGint dx, VGint dy, + struct pipe_surface *src, VGint sx, VGint sy, + VGint width, VGint height) +{ + VGfloat dst_loc[4], src_loc[4]; + VGfloat dst_bounds[4], src_bounds[4]; + VGfloat src_shift[4], dst_shift[4], shift[4]; + + dst_loc[0] = dx; + dst_loc[1] = dy; + dst_loc[2] = width; + dst_loc[3] = height; + dst_bounds[0] = 0.f; + dst_bounds[1] = 0.f; + dst_bounds[2] = dst->width; + dst_bounds[3] = dst->height; + + src_loc[0] = sx; + src_loc[1] = sy; + src_loc[2] = width; + src_loc[3] = height; + src_bounds[0] = 0.f; + src_bounds[1] = 0.f; + src_bounds[2] = src->width; + src_bounds[3] = src->height; + + vg_bound_rect(src_loc, src_bounds, src_shift); + vg_bound_rect(dst_loc, dst_bounds, dst_shift); + shift[0] = src_shift[0] - dst_shift[0]; + shift[1] = src_shift[1] - dst_shift[1]; + + if (shift[0] < 0) + vg_shift_rectx(src_loc, src_bounds, -shift[0]); + else + vg_shift_rectx(dst_loc, dst_bounds, shift[0]); + + if (shift[1] < 0) + vg_shift_recty(src_loc, src_bounds, -shift[1]); + else + vg_shift_recty(dst_loc, dst_bounds, shift[1]); + + vg_sync_size(src_loc, dst_loc); + + if (src_loc[2] > 0 && src_loc[3] > 0 && + dst_loc[2] > 0 && dst_loc[3] > 0) { + if (src == dst) + renderer_copy_surface(ctx->renderer, + src, + src_loc[0], + src->height - (src_loc[1] + src_loc[3]), + src_loc[0] + src_loc[2], + src->height - src_loc[1], + dst, + dst_loc[0], + dst->height - (dst_loc[1] + dst_loc[3]), + dst_loc[0] + dst_loc[2], + dst->height - dst_loc[1], + 0, 0); + else + renderer_copy_surface(ctx->renderer, + src, + src_loc[0], + src->height - src_loc[1], + src_loc[0] + src_loc[2], + src->height - (src_loc[1] + src_loc[3]), + dst, + dst_loc[0], + dst->height - (dst_loc[1] + dst_loc[3]), + dst_loc[0] + dst_loc[2], + dst->height - dst_loc[1], + 0, 0); + } + +} + +static struct pipe_texture *image_texture(struct vg_image *img) +{ + struct pipe_texture *tex = img->texture; + return tex; +} + + +static void image_cleari(struct vg_image *img, VGint clear_colori, + VGint x, VGint y, VGint width, VGint height) +{ + VGint *clearbuf; + VGint i; + VGfloat dwidth, dheight; + + clearbuf = malloc(sizeof(VGint)*width*height); + for (i = 0; i < width*height; ++i) + clearbuf[i] = clear_colori; + + dwidth = MIN2(width, img->width); + dheight = MIN2(height, img->height); + + image_sub_data(img, clearbuf, width * sizeof(VGint), + VG_sRGBA_8888, + x, y, dwidth, dheight); + free(clearbuf); +} + +struct vg_image * image_create(VGImageFormat format, + VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + struct vg_image *image = CALLOC_STRUCT(vg_image); + enum pipe_format pformat = vg_format_to_pipe(format); + struct pipe_texture pt, *newtex; + struct pipe_screen *screen = ctx->pipe->screen; + + vg_init_object(&image->base, ctx, VG_OBJECT_IMAGE); + + image->format = format; + image->width = width; + image->height = height; + + image->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + image->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + image->sampler.normalized_coords = 1; + + assert(screen->is_format_supported(screen, pformat, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_SAMPLER, 0)); + + memset(&pt, 0, sizeof(pt)); + pt.target = PIPE_TEXTURE_2D; + pt.format = pformat; + pf_get_block(pformat, &pt.block); + pt.last_level = 0; + pt.width[0] = width; + pt.height[0] = height; + pt.depth[0] = 1; + pt.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER; + + newtex = screen->texture_create(screen, &pt); + + debug_assert(newtex); + + image->texture = newtex; + + vg_context_add_object(ctx, VG_OBJECT_IMAGE, image); + + image_cleari(image, 0, 0, 0, image->width, image->height); + return image; +} + +void image_destroy(struct vg_image *img) +{ + struct vg_context *ctx = vg_current_context(); + vg_context_remove_object(ctx, VG_OBJECT_IMAGE, img); + + + if (img->parent) { + /* remove img from the parent child array */ + int idx; + struct vg_image **array = + (struct vg_image **)img->parent->children_array->data; + + for (idx = 0; idx < img->parent->children_array->num_elements; ++idx) { + struct vg_image *child = array[idx]; + if (child == img) { + break; + } + } + debug_assert(idx < img->parent->children_array->num_elements); + array_remove_element(img->parent->children_array, idx); + } + + if (img->children_array && img->children_array->num_elements) { + /* reparent the children */ + VGint i; + struct vg_image *parent = img->parent; + struct vg_image **children = + (struct vg_image **)img->children_array->data; + if (!parent) { + VGint min_x = children[0]->x; + parent = children[0]; + + for (i = 1; i < img->children_array->num_elements; ++i) { + struct vg_image *child = children[i]; + if (child->x < min_x) { + parent = child; + } + } + } + + for (i = 0; i < img->children_array->num_elements; ++i) { + struct vg_image *child = children[i]; + if (child != parent) { + child->parent = parent; + if (!parent->children_array) { + parent->children_array = array_create( + sizeof(struct vg_image*)); + } + array_append_data(parent->children_array, + &child, 1); + } else + child->parent = NULL; + } + array_destroy(img->children_array); + } + + pipe_texture_reference(&img->texture, NULL); + free(img); +} + +void image_clear(struct vg_image *img, + VGint x, VGint y, VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + VGfloat *clear_colorf = ctx->state.vg.clear_color; + VGubyte r, g, b ,a; + VGint clear_colori; + /* FIXME: this is very nasty */ + r = float_to_ubyte(clear_colorf[0]); + g = float_to_ubyte(clear_colorf[1]); + b = float_to_ubyte(clear_colorf[2]); + a = float_to_ubyte(clear_colorf[3]); + clear_colori = r << 24 | g << 16 | b << 8 | a; + image_cleari(img, clear_colori, x, y, width, height); +} + +void image_sub_data(struct vg_image *image, + const void * data, + VGint dataStride, + VGImageFormat dataFormat, + VGint x, VGint y, + VGint width, VGint height) +{ + const VGint yStep = 1; + VGubyte *src = (VGubyte *)data; + VGfloat temp[VEGA_MAX_IMAGE_WIDTH][4]; + VGfloat *df = (VGfloat*)temp; + VGint i; + struct vg_context *ctx = vg_current_context(); + struct pipe_screen *screen = ctx->pipe->screen; + struct pipe_texture *texture = image_texture(image); + VGint xoffset = 0, yoffset = 0; + + if (x < 0) { + xoffset -= x; + width += x; + x = 0; + } + if (y < 0) { + yoffset -= y; + height += y; + y = 0; + } + + if (width <= 0 || height <= 0) { + vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); + return; + } + + if (x > image->width || y > image->width) { + vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); + return; + } + + if (x + width > image->width) { + width = image->width - x; + } + + if (y + height > image->height) { + height = image->height - y; + } + + { /* upload color_data */ + struct pipe_transfer *transfer = screen->get_tex_transfer( + screen, texture, 0, 0, 0, + PIPE_TRANSFER_WRITE, 0, 0, texture->width[0], texture->height[0]); + src += (dataStride * yoffset); + for (i = 0; i < height; i++) { + _vega_unpack_float_span_rgba(ctx, width, xoffset, src, dataFormat, temp); + pipe_put_tile_rgba(transfer, x+image->x, y+image->y, width, 1, df); + y += yStep; + src += dataStride; + } + screen->tex_transfer_destroy(transfer); + } +} + +void image_get_sub_data(struct vg_image * image, + void * data, + VGint dataStride, + VGImageFormat dataFormat, + VGint sx, VGint sy, + VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + VGfloat temp[VEGA_MAX_IMAGE_WIDTH][4]; + VGfloat *df = (VGfloat*)temp; + VGint y = 0, yStep = 1; + VGint i; + VGubyte *dst = (VGubyte *)data; + + { + struct pipe_transfer *transfer = + screen->get_tex_transfer(screen, + image->texture, 0, 0, 0, + PIPE_TRANSFER_READ, + 0, 0, + image->x + image->width, + image->y + image->height); + /* Do a row at a time to flip image data vertically */ + for (i = 0; i < height; i++) { +#if 0 + debug_printf("%d-%d == %d\n", sy, height, y); +#endif + pipe_get_tile_rgba(transfer, sx+image->x, y, width, 1, df); + y += yStep; + _vega_pack_rgba_span_float(ctx, width, temp, dataFormat, dst); + dst += dataStride; + } + + screen->tex_transfer_destroy(transfer); + } +} + +struct vg_image * image_child_image(struct vg_image *parent, + VGint x, VGint y, + VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + struct vg_image *image = CALLOC_STRUCT(vg_image); + + vg_init_object(&image->base, ctx, VG_OBJECT_IMAGE); + + image->x = parent->x + x; + image->y = parent->y + y; + image->width = width; + image->height = height; + image->parent = parent; + image->texture = 0; + pipe_texture_reference(&image->texture, + parent->texture); + + image->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE; + image->sampler.min_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + image->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_NEAREST; + image->sampler.normalized_coords = 1; + + if (!parent->children_array) + parent->children_array = array_create( + sizeof(struct vg_image*)); + + array_append_data(parent->children_array, + &image, 1); + + vg_context_add_object(ctx, VG_OBJECT_IMAGE, image); + + return image; +} + +void image_copy(struct vg_image *dst, VGint dx, VGint dy, + struct vg_image *src, VGint sx, VGint sy, + VGint width, VGint height, + VGboolean dither) +{ + struct vg_context *ctx = vg_current_context(); + + if (width <= 0 || height <= 0) { + vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); + return; + } + /* make sure rendering has completed */ + ctx->pipe->flush(ctx->pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + vg_copy_texture(ctx, dst->texture, dst->x + dx, dst->y + dy, + src->texture, src->x + sx, src->y + sy, width, height); +} + +void image_draw(struct vg_image *img) +{ + struct vg_context *ctx = vg_current_context(); + VGfloat x1, y1; + VGfloat x2, y2; + VGfloat x3, y3; + VGfloat x4, y4; + struct matrix *matrix; + + x1 = 0; + y1 = 0; + x2 = img->width; + y2 = 0; + x3 = img->width; + y3 = img->height; + x4 = 0; + y4 = img->height; + + matrix = &ctx->state.vg.image_user_to_surface_matrix; + + matrix_map_point(matrix, x1, y1, &x1, &y1); + matrix_map_point(matrix, x2, y2, &x2, &y2); + matrix_map_point(matrix, x3, y3, &x3, &y3); + matrix_map_point(matrix, x4, y4, &x4, &y4); + + shader_set_drawing_image(ctx->shader, VG_TRUE); + shader_set_paint(ctx->shader, ctx->state.vg.fill_paint); + shader_set_image(ctx->shader, img); + shader_bind(ctx->shader); + + renderer_texture_quad(ctx->renderer, image_texture(img), + img->x, img->y, img->x + img->width, img->y + img->height, + x1, y1, x2, y2, x3, y3, x4, y4); +} + +void image_set_pixels(VGint dx, VGint dy, + struct vg_image *src, VGint sx, VGint sy, + VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_surface *surf; + struct st_renderbuffer *strb = ctx->draw_buffer->strb; + + /* make sure rendering has completed */ + pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + + surf = screen->get_tex_surface(screen, image_texture(src), 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_READ); + + vg_copy_surface(ctx, strb->surface, dx, dy, + surf, sx+src->x, sy+src->y, width, height); + + screen->tex_surface_destroy(surf); +} + +void image_get_pixels(struct vg_image *dst, VGint dx, VGint dy, + VGint sx, VGint sy, + VGint width, VGint height) +{ + struct vg_context *ctx = vg_current_context(); + struct pipe_context *pipe = ctx->pipe; + struct pipe_screen *screen = pipe->screen; + struct pipe_surface *surf; + struct st_renderbuffer *strb = ctx->draw_buffer->strb; + + /* flip the y coordinates */ + /*dy = dst->height - dy - height;*/ + + /* make sure rendering has completed */ + pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL); + + surf = screen->get_tex_surface(screen, image_texture(dst), 0, 0, 0, + PIPE_BUFFER_USAGE_GPU_WRITE | + PIPE_BUFFER_USAGE_GPU_READ); + vg_copy_surface(ctx, surf, dst->x + dx, dst->y + dy, + strb->surface, sx, sy, width, height); + + pipe_surface_reference(&surf, NULL); +} + + +VGboolean vg_image_overlaps(struct vg_image *dst, + struct vg_image *src) +{ + if (dst == src || dst->parent == src || + dst == src->parent) + return VG_TRUE; + if (dst->parent && dst->parent == src->parent) { + VGfloat left1 = dst->x; + VGfloat left2 = src->x; + VGfloat right1 = dst->x + dst->width; + VGfloat right2 = src->x + src->width; + VGfloat bottom1 = dst->y; + VGfloat bottom2 = src->y; + VGfloat top1 = dst->y + dst->height; + VGfloat top2 = src->y + src->height; + + return !(left2 > right1 || right2 < left1 || + top2 > bottom1 || bottom2 < top1); + } + return VG_FALSE; +} + +VGint image_bind_samplers(struct vg_image *img, struct pipe_sampler_state **samplers, + struct pipe_texture **textures) +{ + img->sampler.min_img_filter = image_sampler_filter(img->base.ctx); + img->sampler.mag_img_filter = image_sampler_filter(img->base.ctx); + samplers[3] = &img->sampler; + textures[3] = img->texture; + return 1; +} + +VGint image_sampler_filter(struct vg_context *ctx) +{ + switch(ctx->state.vg.image_quality) { + case VG_IMAGE_QUALITY_NONANTIALIASED: + return PIPE_TEX_FILTER_NEAREST; + break; + case VG_IMAGE_QUALITY_FASTER: + return PIPE_TEX_FILTER_NEAREST; + break; + case VG_IMAGE_QUALITY_BETTER: + /*return PIPE_TEX_FILTER_ANISO;*/ + return PIPE_TEX_FILTER_LINEAR; + break; + default: + debug_printf("Unknown image quality"); + } + return PIPE_TEX_FILTER_NEAREST; +} |