1. A computer-storage device having computer-executable instructions embodied thereon for performing a method of rendering antialiased two-dimensional graphics, the method comprising:
converting scene data into an input coverage mask by generating a set of geometric shapes tessellated from objects in the scene data;
receiving, by an application program interface (API), a first instruction that defines a render-target storage value in a graphics pipeline, wherein the render-target storage value is an amount of memory allocated to a rendered image;
receiving, by the API, a second instruction that defines the sampling rate for a rasterizer in the graphics pipeline, wherein the sampling rate is defined by the second instruction independently from the render-target storage value and the render-target storage value is defined by the first instruction independently from the sampling rate, and wherein the sampling rate defines a number of sub-pixels that the rasterizer assigns colors;
receiving a third instruction to configure a pixel shader to process the input coverage mask through the graphics pipeline based on the amount of memory allocated and the number of sub-pixels that the rasterizer assigns colors, wherein the pixel shader and an alpha blender are configured to count a number of bit sets in the input coverage mask, normalize the results to a real number, and add the real number to current contents of a render target;
wherein at least the first and second instructions comprise configuration instructions for one or more components in the graphics pipeline; and
communicating the input coverage mask to the graphics pipeline.
2. The device of claim 1, wherein the method further comprises receiving rendered scene data from the graphics pipeline.
3. The device of claim 1, wherein the method further comprises:
setting, by a first function of the API, the render-target storage value as the amount of memory allocated to the rendered image based on the first instruction that is received from a computer program for which the image is to be rendered; and
setting, by a second function of the API, the sampling rate for the rasterizer as the number of sub-pixels that the rasterizer assigns colors based on the second instruction that is received from the computer program.
4. The device of claim 1, wherein the render-target storage value is defined to be one times a screen size, and wherein the sampling rate is set to a value greater than 1 sub-pixel per pixel.
5. The device of claim 1, wherein the pixel shader and an alpha blender are configured to count a number of bit sets in the input coverage mask, normalize results to a real number, and add the real number to current contents of a render target when there is no overlap between the set of geometric shapes.
6. The device of claim 1, wherein, when there is overlap between the set of geometric shapes, the pixel shader and an alpha blender are configured to combine the input coverage mask with current contents of a render target using a logical process to determine which colors are added or subtracted from the render target.
7. The device of claim 6, wherein the logical process is one of a bitmap exclusive-or (XOR) operation and a bitmap OR operation.
8. The device of claim 1, wherein the render-target storage value is equivalent to one pixel per pixel in a rendered image and the sampling rate is set to 4 sub-pixels per pixel.
9. The device of claim 1, configuring, by the API, functions in at least one GPU driver based on the first and second instructions.
10. A method of instructing a graphic processing unit to perform target independent rasterization, the method comprising:
receiving a first instruction that defines a render-target storage value in a graphics pipeline running in a graphical processing unit, wherein the render-target storage value is defined by the first instruction independently from a sampling rate;
receiving a second instruction that defines the sampling rate for a rasterizer in the graphics pipeline in the graphical processing unit, wherein the sampling rate is defined independently from the render-target storage value and the sampling rate defines a number of sub-pixels that the rasterizer assigns colors in the rendering of the image; and
configuring a pixel shader to process an input coverage mask through the graphics pipeline based on the amount of memory allocated and the number of sub-pixels that the rasterizer assigns colors, wherein the pixel shader and an alpha blender are configured to count a number of bit sets in the input coverage mask, normalize results to a real number, and add the real number to current contents of a render target;
wherein at least the first and second instructions comprise configuration instructions for one or more components in the graphics pipeline.
11. The method of claim 10, wherein the the pixel shader and the alpha blender are configured to combine the input coverage mask with the current contents of the render target using a logical process to determine which colors are added or subtracted from the render target.
12. The method of claim 11, wherein the logical process is one of a bitmap exclusive-or (XOR) operation and a bitmap OR operation.
13. The method of claim 10, wherein the pixel shader and the alpha blender are configured to count a number of bit sets in the input coverage mask, normalize results to a real number, and add the real number to current contents of a render target when there is no overlap between a set of geometric shapes tessellated from objects in scene data that was converted into the input coverage mask.
14. The method of claim 10, wherein the sampling rate is greater than the render-target storage value.
15. The method of claim 10, wherein the render-target storage value is equivalent to one pixel per pixel in a rendered image and the sampling rate is set to 4 sub-pixels per pixel.
16. The method of claim 10, wherein the image rendered by the graphics pipeline is a two-dimensional image.
17. A system comprising one or more processors configured to perform a method of instructing a graphic processing unit to perform target independent rasterization, the method comprising:
receiving a first instruction that defines a render-target storage value in a graphics pipeline running in a graphical processing unit, wherein the render-target storage value is defined by the first instruction independently from a sampling rate;
receiving a second instruction that defines the sampling rate for a rasterizer in the graphics pipeline in the graphical processing unit, wherein the sampling rate is defined independently from the render-target storage value and the sampling rate defines a number of sub-pixels that the rasterizer assigns colors in the rendering of the image; and
configuring a pixel shader to process an input coverage mask through the graphics pipeline based on the amount of memory allocated and the number of sub-pixels that the rasterizer assigns colors, wherein the pixel shader and an alpha blender are configured to count a number of bit sets in the input coverage mask, normalize results to a real number, and add the real number to current contents of a render target;
wherein at least the first and second instructions comprise configuration instructions for one or more components in the graphics pipeline.
18. The system of claim 17, wherein the pixel shader and the alpha blender are configured to combine the input coverage mask with the current contents of the render target using a logical process to determine which colors are added or subtracted from the render target.
19. The system of claim 18, wherein the logical process is one of a bitmap exclusive-or (XOR) operation and a bitmap OR operation.
20. The system of claim 17, wherein the pixel shader and the alpha blender are configured to count a number of bit sets in the input coverage mask, normalize results to a real number, and add the real number to current contents of a render target when there is no overlap between a set of geometric shapes tessellated from objects in scene data that was converted into the input coverage mask.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A message delivery system comprising:
a plurality of terminals and a server communicating the terminals; each of the terminals comprising
a message creation function unit creating a message for any member of a registered group and
a message delivery request function unit designating any location as a designated location and requesting a server to deliver the message to a member of the registered group entering the designated location; and
the server comprising
an entry monitoring function unit monitoring if a member of the registered group has entered the designated location and
a message delivery function unit delivering the message to a member of the registered group first entering the designated location and, if the first entering member refuses to accept the message, delivering the message to another member of the group next entering the designated area,
the server enabling the member to refuse to accept the message delivered to the member even after the message has been accepted, and enabling the member to accept a refused message if no other member accepts the message.
2. The message delivery system as set forth in claim 1, wherein the message delivery request function unit of a terminal designates a time period for delivery of the message to a member of the registered group.
3. The message delivery system as set forth in claim 1, wherein each of the terminals includes a group creation registration request function unit creating a group and requesting registration of the created group to the server, and the server includes a group registration receiving unit accepting the registration of the created group due to the request from the group creation registration request function unit.
4. The message delivery system as set forth in claim 1, wherein only members of the group can request delivery of a message.
5. The message delivery system as set forth in claim 1, wherein personal authentication is required when requesting delivery of the message.
6. The message delivery system as set forth in claim 1, wherein a predetermined member of the group can view the message requested to be delivered by the message delivery request function unit before delivery.
7. A message delivery method comprising:
monitoring if a member of a registered group has entered a designated location,
delivering a message to the member of the registered group first entering the designated location; and
delivering the message to another member of the group next entering the designated area if the first entering member refuses to accept the message,
enabling the member to refuse to accept the message delivered to the member even after the message has been accepted, and
enabling the member to accept a refused message if no other member accepts the message.
8. The message delivery method as set forth in claim 7, wherein the delivering is performed in a designated time period.