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STA1275 Datasheet(PDF) 11 Page - STMicroelectronics |
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STA1275 Datasheet(HTML) 11 Page - STMicroelectronics |
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11 / 109 page  DS12586 Rev 5 11/109 STA1295, STA1275 System description 106 2.8.3 Primitive processing features 2.8.4 Texture processing features Table 3. Primitive processing features Features GPU Support Primitives supported Triangle strip, fan and list; line strip and list; point list Vertex/primitive geometry input index sizes 8-bit,16-bit and 32-bit indices Setup parameters available to fragment shader 8 vec4 parameters; all available to fragment shader Table 4. Texture processing features Features GPU support Input texture formats (fixed point) A8, L8, I8, A8L8, ARGB4, XRGB4, ARGB8, XRGB8, ABGR8, XBGR8, R5G6B5, A1RGB5, R8, R8G8, X1RGB5, YUY2, UYVY, D16, D24X8, A8_OES, DXT1, DXT2, DXT3, DXT4, DXT5, ETC1. All fixed-point formats are filtered. Bits Format Alpha R G B 16 ARGB4444 4 4 4 4 16 XRGB4444 4 (not used) 4 4 4 16 ARGB1555 1 5 5 5 16 XRGB1555 8 (not used) 5 5 5 16 RGB565 0 5 6 5 32 ARGB8888 8 8 8 8 32 XRGB8888 8 (not used) 8 8 8 32 ABGR8888 8 8 8 8 32 XBGR8888 8 (not used) 8 8 8 Planes Format Mode Y U V UV YUYV UYVY 1 YUY2 4:2:2 ———— 1 — 1 UYVY 4:2:2 ———— —1 Additional texture formats supported through resolve conversion Planes Format Mode Y U V UV YUYV UYVY 3YV12 4:2:0 111— — — 2 NV12 4:2:0 1 ——1 —— Texture compression 4 bits and 8 bits per texel Compressed texture formats DXT1, DXT2, DXT3, DXT4, DXT5, ETC1. All compressed formats are filtered. Compressed texture supertile Supported Texture size maximum 8k x 8k Addressing modes wrap, mirror, clamp Mipmap support 14 mipmap levels; programmable LOD biasing and replacement Shadow texture Depth texture PCF filtering |
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