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[g3dvl] move frame predition handling vom fragment into vertex shader

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This commit is contained in:
Christian König 2010-12-10 00:29:59 +01:00
parent cf234984f4
commit 1fb4bf84d5
1 changed files with 14 additions and 13 deletions
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27
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
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@ -86,7 +86,6 @@ enum VS_OUTPUT
VS_O_TEX2,
VS_O_EB_0,
VS_O_EB_1,
VS_O_FRAME_PRED,
VS_O_REF_FRAMES,
VS_O_BKWD_PRED,
VS_O_MV0,
@ -104,7 +103,7 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
struct ureg_src interlaced, frame_pred, ref_frames, bkwd_pred;
struct ureg_dst t_vpos, t_vtex, t_vmv;
struct ureg_dst o_vpos, o_line, o_vtex[3], o_eb[2], o_vmv[4];
struct ureg_dst o_frame_pred, o_ref_frames, o_bkwd_pred;
struct ureg_dst o_ref_frames, o_bkwd_pred;
unsigned i, label;
shader = ureg_create(TGSI_PROCESSOR_VERTEX);
@ -133,7 +132,6 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
o_vtex[2] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_TEX2);
o_eb[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_EB_0);
o_eb[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_EB_1);
o_frame_pred = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_FRAME_PRED);
o_ref_frames = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_REF_FRAMES);
o_bkwd_pred = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_BKWD_PRED);
@ -212,7 +210,6 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_X)),
eb[1][1], eb[1][0]);
ureg_MOV(shader, ureg_writemask(o_frame_pred, TGSI_WRITEMASK_X), frame_pred);
ureg_MOV(shader, ureg_writemask(o_ref_frames, TGSI_WRITEMASK_X), ref_frames);
ureg_MOV(shader, ureg_writemask(o_bkwd_pred, TGSI_WRITEMASK_X), bkwd_pred);
@ -220,8 +217,18 @@ create_vert_shader(struct vl_mpeg12_mc_renderer *r)
0.5f / r->buffer_width,
0.5f / r->buffer_height);
for (i = 0; i < 4; i++)
ureg_MAD(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_XY), scale, vmv[i], ureg_src(t_vpos));
ureg_MAD(shader, ureg_writemask(o_vmv[0], TGSI_WRITEMASK_XY), scale, vmv[0], ureg_src(t_vpos));
ureg_MAD(shader, ureg_writemask(o_vmv[2], TGSI_WRITEMASK_XY), scale, vmv[2], ureg_src(t_vpos));
ureg_CMP(shader, ureg_writemask(t_vmv, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(frame_pred, TGSI_SWIZZLE_X)),
vmv[0], vmv[1]);
ureg_MAD(shader, ureg_writemask(o_vmv[1], TGSI_WRITEMASK_XY), scale, ureg_src(t_vmv), ureg_src(t_vpos));
ureg_CMP(shader, ureg_writemask(t_vmv, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(frame_pred, TGSI_SWIZZLE_X)),
vmv[2], vmv[3]);
ureg_MAD(shader, ureg_writemask(o_vmv[3], TGSI_WRITEMASK_XY), scale, ureg_src(t_vmv), ureg_src(t_vpos));
ureg_release_temporary(shader, t_vtex);
ureg_release_temporary(shader, t_vpos);
@ -236,12 +243,11 @@ static struct ureg_dst
calc_field(struct ureg_program *shader)
{
struct ureg_dst tmp;
struct ureg_src line, frame_pred;
struct ureg_src line;
tmp = ureg_DECL_temporary(shader);
line = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_LINE, TGSI_INTERPOLATE_LINEAR);
frame_pred = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_FRAME_PRED, TGSI_INTERPOLATE_CONSTANT);
/*
* line.xy going from 0 to 8 in steps of 0.5
@ -262,11 +268,6 @@ calc_field(struct ureg_program *shader)
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Z),
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y));
ureg_CMP(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Z),
ureg_negate(ureg_scalar(frame_pred, TGSI_SWIZZLE_X)),
ureg_imm1f(shader, 0.0f),
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Z));
return tmp;
}