Techniques for rendering vector graphics using precomputed textures
View Patent ↗A system and method for rendering vector graphics using precomputed textures, includes receiving a vector image, the vector image including a plurality of instructions, each instruction for rendering at least a geometric primitive; detecting in the plurality of instructions an instruction for generating a first Bezier curve; selecting a first precomputed curve in a texture map to match the first Bezier curve; and generating a raster image based at least on the first precomputed curve. In an embodiment selecting the first precomputed curve includes computing a transformation matrix between the first precomputed curve and target coordinates, wherein the target coordinates are coordinates of a display; computing texture coordinates based on the computed transformation matrix and the texture map; and rendering an adapted precomputed curve, based on the texture map and the computed texture coordinates.
1. A method for rendering vector graphics using precomputed textures, comprising:
receiving a vector image, the vector image including a plurality of instructions, each instruction for rendering at least a geometric primitive;
detecting in the plurality of instructions an instruction for generating a first Bezier curve;
selecting a first precomputed curve in a texture map to match the first Bezier curve;
computing a transformation matrix between the first precomputed curve and target coordinates, wherein the target coordinates are coordinates of a display;
computing texture coordinates based on the computed transformation matrix and the texture map;
rendering an adapted precomputed curve, based on the texture map and the computed texture coordinates; and
generating a raster image based at least on the first precomputed curve.
2. The method of claim 1 , wherein any one of is computed on a floating point unit (FPU) having a predetermined accuracy: the transformation matrix, and the texture coordinates.
3. The method of claim 1 , wherein any one of is computed on an arithmetic logic unit (ALU) having a predetermined accuracy: the transformation matrix, and the texture coordinates.
4. The method of claim 1 , wherein any one of: an FPU, and an ALU, is selected to perform a computation based on a predetermined error rate threshold.
5. The method of claim 1 , wherein rendering the adapted precomputed curve is performed by a fragment shader.
6. The method of claim 1 , wherein computing the transformation matrix further comprises:
generating a correlation matrix between the precomputed curve and the target coordinates.
7. The method of claim 1 , wherein computing the texture coordinates further comprises:
computing an interpolation between the computed transformation matrix and the texture map.
8. A non-transitory computer readable medium having stored thereon instructions for causing a processing circuitry to execute a process, the process comprising:
receiving a vector image, the vector image including a plurality of instructions, each instruction for rendering at least a geometric primitive;
detecting in the plurality of instructions an instruction for generating a first Bezier curve;
selecting a first precomputed curve in a texture map to match the first Bezier curve;
computing a transformation matrix between the first precomputed curve and target coordinates, wherein the target coordinates are coordinates of a display;
computing texture coordinates based on the computed transformation matrix and the texture map;
rendering an adapted precomputed curve, based on the texture map and the computed texture coordinates; and
generating a raster image based at least on the first precomputed curve.
9. A system for rendering vector graphics using precomputed textures, comprising:
a processing circuitry; and
a memory, the memory containing instructions that, when executed by the processing circuitry, configure the system to:
receive a vector image, the vector image including a plurality of instructions, each instruction for rendering at least a geometric primitive;
detect in the plurality of instructions an instruction for generating a first Bezier curve;
select a first precomputed curve in a texture map to match the first Bezier curve;
compute a transformation matrix between the first precomputed curve and target coordinates, wherein the target coordinates are coordinates of a display;
compute texture coordinates based on the computed transformation matrix and the texture map;
render an adapted precomputed curve, based on the texture map and the computed texture coordinates; and
generate a raster image based at least on the first precomputed curve.
10. The system of claim 9 wherein any one of is computed on a floating point unit (FPU) having a predetermined accuracy: the transformation matrix, and the texture coordinates.
11. The system of claim 10 , wherein any one of: the FPU, and an ALU, is selected to perform a computation based on a predetermined error rate threshold.
12. The system of claim 9 , wherein any one of is computed on an arithmetic logic unit (ALU) having a predetermined accuracy: the transformation matrix, and the texture coordinates.
13. The system of claim 9 , wherein rendering the adapted precomputed curve is performed by a fragment shader.
14. The system of claim 9 , wherein the memory further contains instructions that, when executed by the processing circuitry, further configure the system to:
generate a correlation matrix between the precomputed curve and the target coordinates.
15. The system of claim 9 , wherein the memory further contains instructions that, when executed by the processing circuitry, further configure the system to:
compute an interpolation between the computed transformation matrix and the texture map.
16. The system of claim 9 , wherein the processing circuitry further comprises any one of: an FPU, an ALU, a fragment shader, a rasterizing unit, a graphical processing unit (GPU), and a central processing unit (CPU).