diff options
Diffstat (limited to 'src/gallium/state_trackers/g3dvl/vl_data.c')
| -rw-r--r-- | src/gallium/state_trackers/g3dvl/vl_data.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/g3dvl/vl_data.c b/src/gallium/state_trackers/g3dvl/vl_data.c new file mode 100644 index 0000000000..7e6ee8ac12 --- /dev/null +++ b/src/gallium/state_trackers/g3dvl/vl_data.c @@ -0,0 +1,181 @@ +#include "vl_data.h" + +/* + * Represents 8 triangles (4 quads, 1 per block) in noormalized coords + * that render a macroblock. + * Need to be scaled to cover mbW*mbH macroblock pixels and translated into + * position on target surface. + */ +const struct VL_VERTEX2F vl_mb_vertex_positions[24] = +{ + {0.0f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.0f}, + {0.5f, 0.0f}, {0.0f, 0.5f}, {0.5f, 0.5f}, + + {0.5f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.0f}, + {1.0f, 0.0f}, {0.5f, 0.5f}, {1.0f, 0.5f}, + + {0.0f, 0.5f}, {0.0f, 1.0f}, {0.5f, 0.5f}, + {0.5f, 0.5f}, {0.0f, 1.0f}, {0.5f, 1.0f}, + + {0.5f, 0.5f}, {0.5f, 1.0f}, {1.0f, 0.5f}, + {1.0f, 0.5f}, {0.5f, 1.0f}, {1.0f, 1.0f} +}; + +/* + * Represents texcoords for the above for rendering 4 luma blocks arranged + * in a bW*(bH*4) texture. First luma block located at 0,0->bW,bH; second at + * 0,bH->bW,2bH; third at 0,2bH->bW,3bH; fourth at 0,3bH->bW,4bH. + */ +const struct VL_TEXCOORD2F vl_luma_texcoords[24] = +{ + {0.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.0f}, + {1.0f, 0.0f}, {0.0f, 0.25f}, {1.0f, 0.25f}, + + {0.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.25f}, + {1.0f, 0.25f}, {0.0f, 0.5f}, {1.0f, 0.5f}, + + {0.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.5f}, + {1.0f, 0.5f}, {0.0f, 0.75f}, {1.0f, 0.75f}, + + {0.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 0.75f}, + {1.0f, 0.75f}, {0.0f, 1.0f}, {1.0f, 1.0f} +}; + +/* + * Represents texcoords for the above for rendering 1 chroma block. + * Straight forward 0,0->1,1 mapping so we can reuse the MB pos vectors. + */ +const struct VL_TEXCOORD2F *vl_chroma_420_texcoords = (const struct VL_TEXCOORD2F*)vl_mb_vertex_positions; + +/* + * Represents texcoords for the above for rendering 2 chroma blocks arranged + * in a bW*(bH*2) texture. First chroma block located at 0,0->bW,bH; second at + * 0,bH->bW,2bH. We can render this with 0,0->1,1 mapping. + * Straight forward 0,0->1,1 mapping so we can reuse MB pos vectors. + */ +const struct VL_TEXCOORD2F *vl_chroma_422_texcoords = (const struct VL_TEXCOORD2F*)vl_mb_vertex_positions; + +/* + * Represents texcoords for the above for rendering 4 chroma blocks. + * Same case as 4 luma blocks. + */ +const struct VL_TEXCOORD2F *vl_chroma_444_texcoords = vl_luma_texcoords; + +/* + * Represents 2 triangles in a strip in normalized coords. + * Used to render the surface onto the frame buffer. + */ +const struct VL_VERTEX2F vl_surface_vertex_positions[4] = +{ + {0.0f, 0.0f}, + {0.0f, 1.0f}, + {1.0f, 0.0f}, + {1.0f, 1.0f} +}; + +/* + * Represents texcoords for the above. We can use the position values directly. + */ +const struct VL_TEXCOORD2F *vl_surface_texcoords = (const struct VL_TEXCOORD2F*)vl_surface_vertex_positions; + +/* + * Used when rendering P and B macroblocks, multiplier is applied to the A channel, + * which is then added to the L channel, then the bias is subtracted from that to + * get back the differential. The differential is then added to the samples from the + * reference surface(s). + */ +const struct VL_MC_FS_CONSTS vl_mc_fs_consts = +{ + {256.0f, 256.0f, 256.0f, 0.0f}, + {256.0f / 255.0f, 256.0f / 255.0f, 256.0f / 255.0f, 0.0f}, + {0.5f, 2.0f, 0.0f, 0.0f} +}; + +/* + * Identity color conversion constants, for debugging + */ +const struct VL_CSC_FS_CONSTS vl_csc_fs_consts_identity = +{ + { + 0.0f, 0.0f, 0.0f, 0.0f + }, + { + 1.0f, 0.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, 0.0f, + 0.0f, 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [16,235] + */ +const struct VL_CSC_FS_CONSTS vl_csc_fs_consts_601 = +{ + { + 0.0f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.0f, 0.0f, 1.371f, 0.0f, + 1.0f, -0.336f, -0.698f, 0.0f, + 1.0f, 1.732f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.601 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [0,255] + */ +const struct VL_CSC_FS_CONSTS vl_csc_fs_consts_601_full = +{ + { + 0.062745098f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.164f, 0.0f, 1.596f, 0.0f, + 1.164f, -0.391f, -0.813f, 0.0f, + 1.164f, 2.018f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [16,235] + */ +const struct VL_CSC_FS_CONSTS vl_csc_fs_consts_709 = +{ + { + 0.0f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.0f, 0.0f, 1.540f, 0.0f, + 1.0f, -0.183f, -0.459f, 0.0f, + 1.0f, 1.816f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + +/* + * Converts ITU-R BT.709 YCbCr pixels to RGB pixels where: + * Y is in [16,235], Cb and Cr are in [16,240] + * R, G, and B are in [0,255] + */ +const struct VL_CSC_FS_CONSTS vl_csc_fs_consts_709_full = +{ + { + 0.062745098f, 0.501960784f, 0.501960784f, 0.0f + }, + { + 1.164f, 0.0f, 1.793f, 0.0f, + 1.164f, -0.213f, -0.534f, 0.0f, + 1.164f, 2.115f, 0.0f, 0.0f, + 0.0f, 0.0f, 0.0f, 1.0f + } +}; + |