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[g3dvl] move interlaced dct handling into vertex shader

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This commit is contained in:
Christian König 2010-12-10 01:27:21 +01:00
parent 1fb4bf84d5
commit 593a2cf8c5
1 changed files with 21 additions and 25 deletions
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46
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
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@ -184,13 +184,14 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), vpos);
ureg_MUL(shader, ureg_writemask(o_line, TGSI_WRITEMASK_XY), vrect,
ureg_imm2f(shader, MACROBLOCK_WIDTH / 2, MACROBLOCK_HEIGHT / 2));
ureg_MOV(shader, ureg_writemask(o_line, TGSI_WRITEMASK_Z),
ureg_scalar(interlaced, TGSI_SWIZZLE_X));
ureg_MOV(shader, ureg_writemask(o_vtex[0], TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_MOV(shader, ureg_writemask(o_vtex[1], TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_MOV(shader, ureg_writemask(o_vtex[2], TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_MOV(shader, ureg_writemask(o_line, TGSI_WRITEMASK_X), ureg_scalar(vrect, TGSI_SWIZZLE_Y));
ureg_MUL(shader, ureg_writemask(o_line, TGSI_WRITEMASK_Y),
vrect, ureg_imm1f(shader, MACROBLOCK_HEIGHT / 2));
ureg_IF(shader, ureg_scalar(interlaced, TGSI_SWIZZLE_X), &label);
ureg_MOV(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_X), vrect);
@ -200,8 +201,11 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
ureg_ADD(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Y), ureg_src(t_vtex), ureg_imm1f(shader, 0.5f));
ureg_MUL(shader, ureg_writemask(o_vtex[1], TGSI_WRITEMASK_XY), ureg_src(t_vtex), scale);
ureg_MUL(shader, ureg_writemask(o_line, TGSI_WRITEMASK_X),
ureg_scalar(vrect, TGSI_SWIZZLE_Y),
ureg_imm1f(shader, MACROBLOCK_HEIGHT / 2));
ureg_ENDIF(shader);
ureg_MOV(shader, ureg_writemask(o_vtex[2], TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_CMP(shader, ureg_writemask(o_eb[0], TGSI_WRITEMASK_XYZ),
ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_X)),
@ -250,23 +254,15 @@ calc_field(struct ureg_program *shader)
line = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_LINE, TGSI_INTERPOLATE_LINEAR);
/*
* line.xy going from 0 to 8 in steps of 0.5
* line.z flag that controls interlacing
* line.x going from 0 to 1 in steps of if not interlaced
* line.x going from 0 to 8 in steps of 0.5 if interlaced
* line.y going from 0 to 8 in steps of 0.5
*
* tmp.z = fraction(line.y)
* tmp.z = tmp.z >= 0.5 ? 1 : 0
* tmp.xy = line >= 4 ? 1 : 0
* tmp.w = line.z ? tmp.z : tmp.y
* tmp.z = frame_pred ? 0.0f : tmp.z
* tmp.xy = fraction(line)
* tmp.xy = tmp.xy >= 0.5 ? 1 : 0
*/
ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Z), ureg_scalar(line, TGSI_SWIZZLE_Y));
ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Z), ureg_src(tmp), ureg_imm1f(shader, 0.5f));
ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY), line, ureg_imm2f(shader, BLOCK_WIDTH / 2, BLOCK_HEIGHT / 2));
ureg_CMP(shader, ureg_writemask(tmp, TGSI_WRITEMASK_W),
ureg_negate(ureg_scalar(line, TGSI_SWIZZLE_Z)),
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Z),
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y));
ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY), line);
ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY), ureg_src(tmp), ureg_imm1f(shader, 0.5f));
return tmp;
}
@ -301,11 +297,11 @@ fetch_ycbcr(struct vl_mpeg12_mc_renderer *r, struct ureg_program *shader, struct
*/
ureg_CMP(shader, ureg_writemask(t_tc, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_W)),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_X)),
tc[1], tc[0]);
ureg_CMP(shader, ureg_writemask(t_eb_info, TGSI_WRITEMASK_XYZ),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_W)),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_X)),
eb[1], eb[0]);
/* r600g is ignoring TGSI_INTERPOLATE_CONSTANT, just workaround this */
@ -361,7 +357,7 @@ fetch_ref(struct ureg_program *shader, struct ureg_dst field)
ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ref_frames, ureg_imm1f(shader, 0.0f));
ureg_IF(shader, ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X), &intra_label);
ureg_CMP(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Z)),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[1], tc[0]);
ureg_IF(shader, ureg_scalar(ref_frames, TGSI_SWIZZLE_X), &bi_label);
@ -386,7 +382,7 @@ fetch_ref(struct ureg_program *shader, struct ureg_dst field)
ureg_TEX(shader, ref[0], TGSI_TEXTURE_2D, ureg_src(tmp), sampler[0]);
ureg_CMP(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Z)),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[3], tc[2]);
ureg_TEX(shader, ref[1], TGSI_TEXTURE_2D, ureg_src(tmp), sampler[1]);