#include "renderer.h"
#include "shaders_cache.h"
#include "shader.h"
-#include "asm_util.h"
-#include "st_inlines.h"
#include "vg_manager.h"
+#include "api.h"
+#include "mask.h"
+#include "handle.h"
#include "pipe/p_context.h"
#include "util/u_inlines.h"
-#include "pipe/p_shader_tokens.h"
#include "cso_cache/cso_context.h"
-#include "util/u_simple_shaders.h"
#include "util/u_memory.h"
#include "util/u_blit.h"
#include "util/u_sampler.h"
+#include "util/u_surface.h"
+#include "util/u_format.h"
struct vg_context *_vg_context = 0;
return _vg_context;
}
-static void init_clear(struct vg_context *st)
+/**
+ * A depth/stencil rb will be needed regardless of what the visual says.
+ */
+static boolean
+choose_depth_stencil_format(struct vg_context *ctx)
{
- struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = ctx->pipe->screen;
+ enum pipe_format formats[] = {
+ PIPE_FORMAT_Z24_UNORM_S8_UINT,
+ PIPE_FORMAT_S8_UINT_Z24_UNORM,
+ PIPE_FORMAT_NONE
+ };
+ enum pipe_format *fmt;
+
+ for (fmt = formats; *fmt != PIPE_FORMAT_NONE; fmt++) {
+ if (screen->is_format_supported(screen, *fmt,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_DEPTH_STENCIL))
+ break;
+ }
- /* rasterizer state: bypass clipping */
- memset(&st->clear.raster, 0, sizeof(st->clear.raster));
- st->clear.raster.gl_rasterization_rules = 1;
+ ctx->ds_format = *fmt;
- /* fragment shader state: color pass-through program */
- st->clear.fs =
- util_make_fragment_passthrough_shader(pipe);
+ return (ctx->ds_format != PIPE_FORMAT_NONE);
}
+
void vg_set_current_context(struct vg_context *ctx)
{
_vg_context = ctx;
+ api_make_dispatch_current((ctx) ? ctx->dispatch : NULL);
}
struct vg_context * vg_create_context(struct pipe_context *pipe,
struct vg_context *share)
{
struct vg_context *ctx;
- unsigned i;
ctx = CALLOC_STRUCT(vg_context);
ctx->pipe = pipe;
+ if (!choose_depth_stencil_format(ctx)) {
+ FREE(ctx);
+ return NULL;
+ }
+
+ ctx->dispatch = api_create_dispatch();
vg_init_state(&ctx->state.vg);
ctx->state.dirty = ALL_DIRTY;
ctx->cso_context = cso_create_context(pipe);
- init_clear(ctx);
-
ctx->default_paint = paint_create(ctx);
ctx->state.vg.stroke_paint = ctx->default_paint;
ctx->state.vg.fill_paint = ctx->default_paint;
ctx->mask.sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
ctx->mask.sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ ctx->mask.sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
ctx->mask.sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
ctx->mask.sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->mask.sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->blend_sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
ctx->blend_sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ ctx->blend_sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
ctx->blend_sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
ctx->blend_sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->blend_sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
ctx->blend_sampler.normalized_coords = 0;
- for (i = 0; i < 2; i++) {
- ctx->velems[i].src_offset = i * 4 * sizeof(float);
- ctx->velems[i].instance_divisor = 0;
- ctx->velems[i].vertex_buffer_index = 0;
- ctx->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- }
-
vg_set_error(ctx, VG_NO_ERROR);
ctx->owned_objects[VG_OBJECT_PAINT] = cso_hash_create();
void vg_destroy_context(struct vg_context *ctx)
{
struct pipe_resource **cbuf = &ctx->mask.cbuf;
- struct pipe_resource **vsbuf = &ctx->vs_const_buffer;
util_destroy_blit(ctx->blit);
renderer_destroy(ctx->renderer);
if (*cbuf)
pipe_resource_reference(cbuf, NULL);
- if (*vsbuf)
- pipe_resource_reference(vsbuf, NULL);
-
- if (ctx->clear.fs) {
- cso_delete_fragment_shader(ctx->cso_context, ctx->clear.fs);
- ctx->clear.fs = NULL;
- }
-
- if (ctx->plain_vs) {
- vg_shader_destroy(ctx, ctx->plain_vs);
- ctx->plain_vs = NULL;
- }
- if (ctx->clear_vs) {
- vg_shader_destroy(ctx, ctx->clear_vs);
- ctx->clear_vs = NULL;
- }
- if (ctx->texture_vs) {
- vg_shader_destroy(ctx, ctx->texture_vs);
- ctx->texture_vs = NULL;
- }
-
- if (ctx->pass_through_depth_fs)
- vg_shader_destroy(ctx, ctx->pass_through_depth_fs);
if (ctx->mask.union_fs)
vg_shader_destroy(ctx, ctx->mask.union_fs);
if (ctx->mask.intersect_fs)
cso_hash_delete(ctx->owned_objects[VG_OBJECT_FONT]);
cso_hash_delete(ctx->owned_objects[VG_OBJECT_PATH]);
- free(ctx);
+ api_destroy_dispatch(ctx->dispatch);
+
+ FREE(ctx);
}
void vg_init_object(struct vg_object *obj, struct vg_context *ctx, enum vg_object_type type)
{
obj->type = type;
obj->ctx = ctx;
+ obj->handle = create_handle(obj);
+}
+
+/** free object resources, but not the object itself */
+void vg_free_object(struct vg_object *obj)
+{
+ obj->type = 0;
+ obj->ctx = NULL;
+ destroy_handle(obj->handle);
}
VGboolean vg_context_is_object_valid(struct vg_context *ctx,
enum vg_object_type type,
- void *ptr)
+ VGHandle handle)
{
if (ctx) {
struct cso_hash *hash = ctx->owned_objects[type];
if (!hash)
return VG_FALSE;
- return cso_hash_contains(hash, (unsigned)(long)ptr);
+ return cso_hash_contains(hash, (unsigned) handle);
}
return VG_FALSE;
}
void vg_context_add_object(struct vg_context *ctx,
- enum vg_object_type type,
- void *ptr)
+ struct vg_object *obj)
{
if (ctx) {
- struct cso_hash *hash = ctx->owned_objects[type];
+ struct cso_hash *hash = ctx->owned_objects[obj->type];
if (!hash)
return;
- cso_hash_insert(hash, (unsigned)(long)ptr, ptr);
+ cso_hash_insert(hash, (unsigned) obj->handle, obj);
}
}
void vg_context_remove_object(struct vg_context *ctx,
- enum vg_object_type type,
- void *ptr)
+ struct vg_object *obj)
{
if (ctx) {
- struct cso_hash *hash = ctx->owned_objects[type];
+ struct cso_hash *hash = ctx->owned_objects[obj->type];
if (!hash)
return;
- cso_hash_take(hash, (unsigned)(long)ptr);
+ cso_hash_take(hash, (unsigned) obj->handle);
}
}
-static void update_clip_state(struct vg_context *ctx)
+static struct pipe_resource *
+create_texture(struct pipe_context *pipe, enum pipe_format format,
+ VGint width, VGint height)
{
- struct pipe_depth_stencil_alpha_state *dsa = &ctx->state.g3d.dsa;
- struct vg_state *state = &ctx->state.vg;
-
- memset(dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
-
- if (state->scissoring) {
- struct pipe_blend_state *blend = &ctx->state.g3d.blend;
- struct pipe_framebuffer_state *fb = &ctx->state.g3d.fb;
- int i;
-
- dsa->depth.writemask = 1;/*glDepthMask(TRUE);*/
- dsa->depth.func = PIPE_FUNC_ALWAYS;
- dsa->depth.enabled = 1;
-
- cso_save_blend(ctx->cso_context);
- cso_save_fragment_shader(ctx->cso_context);
- /* set a passthrough shader */
- if (!ctx->pass_through_depth_fs)
- ctx->pass_through_depth_fs = shader_create_from_text(ctx->pipe,
- pass_through_depth_asm,
- 40,
- PIPE_SHADER_FRAGMENT);
- cso_set_fragment_shader_handle(ctx->cso_context,
- ctx->pass_through_depth_fs->driver);
- cso_set_depth_stencil_alpha(ctx->cso_context, dsa);
-
- ctx->pipe->clear(ctx->pipe, PIPE_CLEAR_DEPTHSTENCIL, NULL, 1.0, 0);
-
- /* disable color writes */
- blend->rt[0].colormask = 0; /*disable colorwrites*/
- cso_set_blend(ctx->cso_context, blend);
-
- /* enable scissoring */
- for (i = 0; i < state->scissor_rects_num; ++i) {
- const float x = state->scissor_rects[i * 4 + 0].f;
- const float y = state->scissor_rects[i * 4 + 1].f;
- const float width = state->scissor_rects[i * 4 + 2].f;
- const float height = state->scissor_rects[i * 4 + 3].f;
- VGfloat minx, miny, maxx, maxy;
-
- minx = 0;
- miny = 0;
- maxx = fb->width;
- maxy = fb->height;
-
- if (x > minx)
- minx = x;
- if (y > miny)
- miny = y;
-
- if (x + width < maxx)
- maxx = x + width;
- if (y + height < maxy)
- maxy = y + height;
-
- /* check for null space */
- if (minx >= maxx || miny >= maxy)
- minx = miny = maxx = maxy = 0;
-
- /*glClear(GL_DEPTH_BUFFER_BIT);*/
- renderer_draw_quad(ctx->renderer, minx, miny, maxx, maxy, 0.0f);
- }
-
- cso_restore_blend(ctx->cso_context);
- cso_restore_fragment_shader(ctx->cso_context);
-
- dsa->depth.enabled = 1; /* glEnable(GL_DEPTH_TEST); */
- dsa->depth.writemask = 0;/*glDepthMask(FALSE);*/
- dsa->depth.func = PIPE_FUNC_GEQUAL;
+ struct pipe_resource templ;
+
+ memset(&templ, 0, sizeof(templ));
+
+ if (format != PIPE_FORMAT_NONE) {
+ templ.format = format;
+ }
+ else {
+ templ.format = PIPE_FORMAT_B8G8R8A8_UNORM;
+ }
+
+ templ.target = PIPE_TEXTURE_2D;
+ templ.width0 = width;
+ templ.height0 = height;
+ templ.depth0 = 1;
+ templ.array_size = 1;
+ templ.last_level = 0;
+
+ if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)) {
+ templ.bind = PIPE_BIND_DEPTH_STENCIL;
+ } else {
+ templ.bind = (PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_SAMPLER_VIEW);
}
+
+ return pipe->screen->resource_create(pipe->screen, &templ);
}
-void vg_validate_state(struct vg_context *ctx)
+static struct pipe_sampler_view *
+create_tex_and_view(struct pipe_context *pipe, enum pipe_format format,
+ VGint width, VGint height)
{
- vg_manager_validate_framebuffer(ctx);
+ struct pipe_resource *texture;
+ struct pipe_sampler_view view_templ;
+ struct pipe_sampler_view *view;
- if ((ctx->state.dirty & BLEND_DIRTY)) {
- struct pipe_blend_state *blend = &ctx->state.g3d.blend;
- memset(blend, 0, sizeof(struct pipe_blend_state));
- blend->rt[0].blend_enable = 1;
- blend->rt[0].colormask = PIPE_MASK_RGBA;
-
- switch (ctx->state.vg.blend_mode) {
- case VG_BLEND_SRC:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].blend_enable = 0;
- break;
- case VG_BLEND_SRC_OVER:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
- break;
- case VG_BLEND_DST_OVER:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_INV_DST_ALPHA;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_INV_DST_ALPHA;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_DST_ALPHA;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_DST_ALPHA;
- break;
- case VG_BLEND_SRC_IN:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_DST_ALPHA;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_DST_ALPHA;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
- break;
- case VG_BLEND_DST_IN:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
- break;
- case VG_BLEND_MULTIPLY:
- case VG_BLEND_SCREEN:
- case VG_BLEND_DARKEN:
- case VG_BLEND_LIGHTEN:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
- blend->rt[0].blend_enable = 0;
- break;
- case VG_BLEND_ADDITIVE:
- blend->rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
- blend->rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
- break;
- default:
- assert(!"not implemented blend mode");
- }
- cso_set_blend(ctx->cso_context, &ctx->state.g3d.blend);
- }
- if ((ctx->state.dirty & RASTERIZER_DIRTY)) {
- struct pipe_rasterizer_state *raster = &ctx->state.g3d.rasterizer;
- memset(raster, 0, sizeof(struct pipe_rasterizer_state));
- raster->gl_rasterization_rules = 1;
- cso_set_rasterizer(ctx->cso_context, &ctx->state.g3d.rasterizer);
- }
- if ((ctx->state.dirty & VIEWPORT_DIRTY)) {
- struct pipe_framebuffer_state *fb = &ctx->state.g3d.fb;
- const VGint param_bytes = 8 * sizeof(VGfloat);
- VGfloat vs_consts[8] = {
- 2.f/fb->width, 2.f/fb->height, 1, 1,
- -1, -1, 0, 0
- };
- struct pipe_resource **cbuf = &ctx->vs_const_buffer;
+ texture = create_texture(pipe, format, width, height);
- vg_set_viewport(ctx, VEGA_Y0_BOTTOM);
+ if (!texture)
+ return NULL;
- pipe_resource_reference(cbuf, NULL);
- *cbuf = pipe_buffer_create(ctx->pipe->screen,
- PIPE_BIND_CONSTANT_BUFFER,
- param_bytes);
-
- if (*cbuf) {
- st_no_flush_pipe_buffer_write(ctx, *cbuf,
- 0, param_bytes, vs_consts);
- }
- ctx->pipe->set_constant_buffer(ctx->pipe, PIPE_SHADER_VERTEX, 0, *cbuf);
+ u_sampler_view_default_template(&view_templ, texture, texture->format);
+ view = pipe->create_sampler_view(pipe, texture, &view_templ);
+ /* want the texture to go away if the view is freed */
+ pipe_resource_reference(&texture, NULL);
+
+ return view;
+}
+
+static void
+vg_context_update_surface_mask_view(struct vg_context *ctx,
+ uint width, uint height)
+{
+ struct st_framebuffer *stfb = ctx->draw_buffer;
+ struct pipe_sampler_view *old_sampler_view = stfb->surface_mask_view;
+ struct pipe_context *pipe = ctx->pipe;
+
+ if (old_sampler_view &&
+ old_sampler_view->texture->width0 == width &&
+ old_sampler_view->texture->height0 == height)
+ return;
+
+ /*
+ we use PIPE_FORMAT_B8G8R8A8_UNORM because we want to render to
+ this texture and use it as a sampler, so while this wastes some
+ space it makes both of those a lot simpler
+ */
+ stfb->surface_mask_view = create_tex_and_view(pipe,
+ PIPE_FORMAT_B8G8R8A8_UNORM, width, height);
+
+ if (!stfb->surface_mask_view) {
+ if (old_sampler_view)
+ pipe_sampler_view_reference(&old_sampler_view, NULL);
+ return;
}
- if ((ctx->state.dirty & VS_DIRTY)) {
- cso_set_vertex_shader_handle(ctx->cso_context,
- vg_plain_vs(ctx));
+
+ /* XXX could this call be avoided? */
+ vg_validate_state(ctx);
+
+ /* alpha mask starts with 1.f alpha */
+ mask_fill(0, 0, width, height, 1.f);
+
+ /* if we had an old surface copy it over */
+ if (old_sampler_view) {
+ struct pipe_box src_box;
+ u_box_origin_2d(MIN2(old_sampler_view->texture->width0,
+ stfb->surface_mask_view->texture->width0),
+ MIN2(old_sampler_view->texture->height0,
+ stfb->surface_mask_view->texture->height0),
+ &src_box);
+
+ pipe->resource_copy_region(pipe,
+ stfb->surface_mask_view->texture,
+ 0, 0, 0, 0,
+ old_sampler_view->texture,
+ 0, &src_box);
}
- /* must be last because it renders to the depth buffer*/
- if ((ctx->state.dirty & DEPTH_STENCIL_DIRTY)) {
- update_clip_state(ctx);
- cso_set_depth_stencil_alpha(ctx->cso_context, &ctx->state.g3d.dsa);
+ /* Free the old texture
+ */
+ if (old_sampler_view)
+ pipe_sampler_view_reference(&old_sampler_view, NULL);
+}
+
+static void
+vg_context_update_blend_texture_view(struct vg_context *ctx,
+ uint width, uint height)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ struct st_framebuffer *stfb = ctx->draw_buffer;
+ struct pipe_sampler_view *old = stfb->blend_texture_view;
+
+ if (old &&
+ old->texture->width0 == width &&
+ old->texture->height0 == height)
+ return;
+
+ stfb->blend_texture_view = create_tex_and_view(pipe,
+ PIPE_FORMAT_B8G8R8A8_UNORM, width, height);
+
+ pipe_sampler_view_reference(&old, NULL);
+}
+
+static boolean
+vg_context_update_depth_stencil_rb(struct vg_context * ctx,
+ uint width, uint height)
+{
+ struct st_renderbuffer *dsrb = ctx->draw_buffer->dsrb;
+ struct pipe_context *pipe = ctx->pipe;
+ struct pipe_surface surf_tmpl;
+
+ if ((dsrb->width == width && dsrb->height == height) && dsrb->texture)
+ return FALSE;
+
+ /* unreference existing ones */
+ pipe_surface_reference(&dsrb->surface, NULL);
+ pipe_resource_reference(&dsrb->texture, NULL);
+ dsrb->width = dsrb->height = 0;
+
+ dsrb->texture = create_texture(pipe, dsrb->format, width, height);
+ if (!dsrb->texture)
+ return TRUE;
+
+ u_surface_default_template(&surf_tmpl, dsrb->texture);
+ dsrb->surface = pipe->create_surface(pipe,
+ dsrb->texture,
+ &surf_tmpl);
+ if (!dsrb->surface) {
+ pipe_resource_reference(&dsrb->texture, NULL);
+ return TRUE;
}
+ dsrb->width = width;
+ dsrb->height = height;
+
+ assert(dsrb->surface->width == width);
+ assert(dsrb->surface->height == height);
+
+ return TRUE;
+}
+
+void vg_validate_state(struct vg_context *ctx)
+{
+ struct st_framebuffer *stfb = ctx->draw_buffer;
+
+ vg_manager_validate_framebuffer(ctx);
+
+ if (vg_context_update_depth_stencil_rb(ctx, stfb->width, stfb->height))
+ ctx->state.dirty |= DEPTH_STENCIL_DIRTY;
+
+ /* blend state depends on fb format and paint color */
+ if ((ctx->state.dirty & FRAMEBUFFER_DIRTY) ||
+ (ctx->state.dirty & PAINT_DIRTY))
+ ctx->state.dirty |= BLEND_DIRTY;
+
+ renderer_validate(ctx->renderer, ctx->state.dirty,
+ ctx->draw_buffer, &ctx->state.vg);
+
+ ctx->state.dirty = 0;
+
shader_set_masking(ctx->shader, ctx->state.vg.masking);
shader_set_image_mode(ctx->shader, ctx->state.vg.image_mode);
-
- ctx->state.dirty = NONE_DIRTY;
+ shader_set_color_transform(ctx->shader, ctx->state.vg.color_transform);
}
-VGboolean vg_object_is_valid(void *ptr, enum vg_object_type type)
+VGboolean vg_object_is_valid(VGHandle object, enum vg_object_type type)
{
- struct vg_object *obj = ptr;
- if (ptr && is_aligned(obj) && obj->type == type)
+ struct vg_object *obj = handle_to_object(object);
+ if (obj && is_aligned(obj) && obj->type == type)
return VG_TRUE;
else
return VG_FALSE;
ctx->_error = code;
}
-void vg_prepare_blend_surface(struct vg_context *ctx)
+static void vg_prepare_blend_texture(struct vg_context *ctx,
+ struct pipe_sampler_view *src)
+{
+ struct st_framebuffer *stfb = ctx->draw_buffer;
+ struct pipe_surface *surf;
+ struct pipe_surface surf_tmpl;
+
+ vg_context_update_blend_texture_view(ctx, stfb->width, stfb->height);
+
+ u_surface_default_template(&surf_tmpl, stfb->blend_texture_view->texture);
+ surf = ctx->pipe->create_surface(ctx->pipe,
+ stfb->blend_texture_view->texture,
+ &surf_tmpl);
+ if (surf) {
+ util_blit_pixels_tex(ctx->blit,
+ src, 0, 0, stfb->width, stfb->height,
+ surf, 0, 0, stfb->width, stfb->height,
+ 0.0, PIPE_TEX_MIPFILTER_NEAREST);
+
+ pipe_surface_reference(&surf, NULL);
+ }
+}
+
+struct pipe_sampler_view *vg_prepare_blend_surface(struct vg_context *ctx)
{
- struct pipe_surface *dest_surface = NULL;
struct pipe_context *pipe = ctx->pipe;
struct pipe_sampler_view *view;
struct pipe_sampler_view view_templ;
struct st_framebuffer *stfb = ctx->draw_buffer;
struct st_renderbuffer *strb = stfb->strb;
- /* first finish all pending rendering */
- vgFinish();
+ vg_validate_state(ctx);
u_sampler_view_default_template(&view_templ, strb->texture, strb->texture->format);
view = pipe->create_sampler_view(pipe, strb->texture, &view_templ);
- dest_surface = pipe->screen->get_tex_surface(pipe->screen,
- stfb->blend_texture_view->texture,
- 0, 0, 0,
- PIPE_BIND_BLIT_DESTINATION |
- PIPE_BIND_RENDER_TARGET);
- /* flip it, because we want to use it as a sampler */
- util_blit_pixels_tex(ctx->blit,
- view,
- 0, strb->height,
- strb->width, 0,
- dest_surface,
- 0, 0,
- strb->width, strb->height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST);
-
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
-
- /* make sure it's complete */
- vgFinish();
+ vg_prepare_blend_texture(ctx, view);
pipe_sampler_view_reference(&view, NULL);
+
+ return stfb->blend_texture_view;
}
-void vg_prepare_blend_surface_from_mask(struct vg_context *ctx)
+struct pipe_sampler_view *vg_prepare_blend_surface_from_mask(struct vg_context *ctx)
{
- struct pipe_surface *dest_surface = NULL;
- struct pipe_context *pipe = ctx->pipe;
struct st_framebuffer *stfb = ctx->draw_buffer;
- struct st_renderbuffer *strb = stfb->strb;
vg_validate_state(ctx);
- /* first finish all pending rendering */
- vgFinish();
-
- dest_surface = pipe->screen->get_tex_surface(pipe->screen,
- stfb->blend_texture_view->texture,
- 0, 0, 0,
- PIPE_BIND_BLIT_DESTINATION |
- PIPE_BIND_RENDER_TARGET);
-
- /* flip it, because we want to use it as a sampler */
- util_blit_pixels_tex(ctx->blit,
- stfb->alpha_mask_view,
- 0, strb->height,
- strb->width, 0,
- dest_surface,
- 0, 0,
- strb->width, strb->height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST);
-
- /* make sure it's complete */
- vgFinish();
-
- if (dest_surface)
- pipe_surface_reference(&dest_surface, NULL);
+ vg_context_update_surface_mask_view(ctx, stfb->width, stfb->height);
+ vg_prepare_blend_texture(ctx, stfb->surface_mask_view);
+
+ return stfb->blend_texture_view;
}
-void * vg_plain_vs(struct vg_context *ctx)
+struct pipe_sampler_view *vg_get_surface_mask(struct vg_context *ctx)
{
- if (!ctx->plain_vs) {
- ctx->plain_vs = shader_create_from_text(ctx->pipe,
- vs_plain_asm,
- 200,
- PIPE_SHADER_VERTEX);
- }
+ struct st_framebuffer *stfb = ctx->draw_buffer;
- return ctx->plain_vs->driver;
-}
+ vg_context_update_surface_mask_view(ctx, stfb->width, stfb->height);
+ return stfb->surface_mask_view;
+}
-void * vg_clear_vs(struct vg_context *ctx)
+/**
+ * A transformation from window coordinates to paint coordinates.
+ */
+VGboolean vg_get_paint_matrix(struct vg_context *ctx,
+ const struct matrix *paint_to_user,
+ const struct matrix *user_to_surface,
+ struct matrix *mat)
{
- if (!ctx->clear_vs) {
- ctx->clear_vs = shader_create_from_text(ctx->pipe,
- vs_clear_asm,
- 200,
- PIPE_SHADER_VERTEX);
- }
+ struct matrix tmp;
- return ctx->clear_vs->driver;
-}
+ /* get user-to-paint matrix */
+ memcpy(mat, paint_to_user, sizeof(*paint_to_user));
+ if (!matrix_invert(mat))
+ return VG_FALSE;
-void * vg_texture_vs(struct vg_context *ctx)
-{
- if (!ctx->texture_vs) {
- ctx->texture_vs = shader_create_from_text(ctx->pipe,
- vs_texture_asm,
- 200,
- PIPE_SHADER_VERTEX);
- }
+ /* get surface-to-user matrix */
+ memcpy(&tmp, user_to_surface, sizeof(*user_to_surface));
+ if (!matrix_invert(&tmp))
+ return VG_FALSE;
- return ctx->texture_vs->driver;
-}
+ matrix_mult(mat, &tmp);
-void vg_set_viewport(struct vg_context *ctx, VegaOrientation orientation)
-{
- struct pipe_viewport_state viewport;
- struct pipe_framebuffer_state *fb = &ctx->state.g3d.fb;
- VGfloat y_scale = (orientation == VEGA_Y0_BOTTOM) ? -2.f : 2.f;
-
- viewport.scale[0] = fb->width / 2.f;
- viewport.scale[1] = fb->height / y_scale;
- viewport.scale[2] = 1.0;
- viewport.scale[3] = 1.0;
- viewport.translate[0] = fb->width / 2.f;
- viewport.translate[1] = fb->height / 2.f;
- viewport.translate[2] = 0.0;
- viewport.translate[3] = 0.0;
-
- cso_set_viewport(ctx->cso_context, &viewport);
+ return VG_TRUE;
}
projects / mesa.git / blobdiff