kolibrios/drivers/video/Gallium/auxiliary/vl/vl_mc.c
Sergey Semyonov (Serge) edb28b33f3 Gallium 3D: initial commit
git-svn-id: svn://kolibrios.org@3770 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 10:06:47 +00:00

649 lines
20 KiB
C

/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <assert.h>
#include "pipe/p_context.h"
#include "util/u_sampler.h"
#include "util/u_draw.h"
#include "tgsi/tgsi_ureg.h"
#include "vl_defines.h"
#include "vl_vertex_buffers.h"
#include "vl_mc.h"
#include "vl_idct.h"
enum VS_OUTPUT
{
VS_O_VPOS = 0,
VS_O_VTOP = 0,
VS_O_VBOTTOM,
VS_O_FLAGS = VS_O_VTOP,
VS_O_VTEX = VS_O_VBOTTOM
};
static struct ureg_dst
calc_position(struct vl_mc *r, struct ureg_program *shader, struct ureg_src block_scale)
{
struct ureg_src vrect, vpos;
struct ureg_dst t_vpos;
struct ureg_dst o_vpos;
vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
t_vpos = ureg_DECL_temporary(shader);
o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
/*
* block_scale = (VL_MACROBLOCK_WIDTH, VL_MACROBLOCK_HEIGHT) / (dst.width, dst.height)
*
* t_vpos = (vpos + vrect) * block_scale
* o_vpos.xy = t_vpos
* o_vpos.zw = vpos
*/
ureg_ADD(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), vpos, vrect);
ureg_MUL(shader, ureg_writemask(t_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos), block_scale);
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_vpos));
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));
return t_vpos;
}
static struct ureg_dst
calc_line(struct ureg_program *shader)
{
struct ureg_dst tmp;
struct ureg_src pos;
tmp = ureg_DECL_temporary(shader);
pos = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS, TGSI_INTERPOLATE_LINEAR);
/*
* tmp.y = fraction(pos.y / 2) >= 0.5 ? 1 : 0
*/
ureg_MUL(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), pos, ureg_imm1f(shader, 0.5f));
ureg_FRC(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp));
ureg_SGE(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(tmp), ureg_imm1f(shader, 0.5f));
return tmp;
}
static void *
create_ref_vert_shader(struct vl_mc *r)
{
struct ureg_program *shader;
struct ureg_src mv_scale;
struct ureg_src vmv[2];
struct ureg_dst t_vpos;
struct ureg_dst o_vmv[2];
unsigned i;
shader = ureg_create(TGSI_PROCESSOR_VERTEX);
if (!shader)
return NULL;
vmv[0] = ureg_DECL_vs_input(shader, VS_I_MV_TOP);
vmv[1] = ureg_DECL_vs_input(shader, VS_I_MV_BOTTOM);
t_vpos = calc_position(r, shader, ureg_imm2f(shader,
(float)VL_MACROBLOCK_WIDTH / r->buffer_width,
(float)VL_MACROBLOCK_HEIGHT / r->buffer_height)
);
o_vmv[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP);
o_vmv[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM);
/*
* mv_scale.xy = 0.5 / (dst.width, dst.height);
* mv_scale.z = 1.0f / 4.0f
* mv_scale.w = 1.0f / 255.0f
*
* // Apply motion vectors
* o_vmv[0..1].xy = vmv[0..1] * mv_scale + t_vpos
* o_vmv[0..1].zw = vmv[0..1] * mv_scale
*
*/
mv_scale = ureg_imm4f(shader,
0.5f / r->buffer_width,
0.5f / r->buffer_height,
1.0f / 4.0f,
1.0f / PIPE_VIDEO_MV_WEIGHT_MAX);
for (i = 0; i < 2; ++i) {
ureg_MAD(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_XY), mv_scale, vmv[i], ureg_src(t_vpos));
ureg_MUL(shader, ureg_writemask(o_vmv[i], TGSI_WRITEMASK_ZW), mv_scale, vmv[i]);
}
ureg_release_temporary(shader, t_vpos);
ureg_END(shader);
return ureg_create_shader_and_destroy(shader, r->pipe);
}
static void *
create_ref_frag_shader(struct vl_mc *r)
{
const float y_scale =
r->buffer_height / 2 *
r->macroblock_size / VL_MACROBLOCK_HEIGHT;
struct ureg_program *shader;
struct ureg_src tc[2], sampler;
struct ureg_dst ref, field;
struct ureg_dst fragment;
unsigned label;
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (!shader)
return NULL;
tc[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VTOP, TGSI_INTERPOLATE_LINEAR);
tc[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_VBOTTOM, TGSI_INTERPOLATE_LINEAR);
sampler = ureg_DECL_sampler(shader, 0);
ref = ureg_DECL_temporary(shader);
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
field = calc_line(shader);
/*
* ref = field.z ? tc[1] : tc[0]
*
* // Adjust tc acording to top/bottom field selection
* if (|ref.z|) {
* ref.y *= y_scale
* ref.y = floor(ref.y)
* ref.y += ref.z
* ref.y /= y_scale
* }
* fragment.xyz = tex(ref, sampler[0])
*/
ureg_CMP(shader, ureg_writemask(ref, TGSI_WRITEMASK_XYZ),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[1], tc[0]);
ureg_CMP(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W),
ureg_negate(ureg_scalar(ureg_src(field), TGSI_SWIZZLE_Y)),
tc[1], tc[0]);
ureg_IF(shader, ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z), &label);
ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
ureg_src(ref), ureg_imm1f(shader, y_scale));
ureg_FLR(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y), ureg_src(ref));
ureg_ADD(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
ureg_src(ref), ureg_scalar(ureg_src(ref), TGSI_SWIZZLE_Z));
ureg_MUL(shader, ureg_writemask(ref, TGSI_WRITEMASK_Y),
ureg_src(ref), ureg_imm1f(shader, 1.0f / y_scale));
ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
ureg_ENDIF(shader);
ureg_TEX(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), TGSI_TEXTURE_2D, ureg_src(ref), sampler);
ureg_release_temporary(shader, ref);
ureg_release_temporary(shader, field);
ureg_END(shader);
return ureg_create_shader_and_destroy(shader, r->pipe);
}
static void *
create_ycbcr_vert_shader(struct vl_mc *r, vl_mc_ycbcr_vert_shader vs_callback, void *callback_priv)
{
struct ureg_program *shader;
struct ureg_src vrect, vpos;
struct ureg_dst t_vpos, t_vtex;
struct ureg_dst o_vpos, o_flags;
struct vertex2f scale = {
(float)VL_BLOCK_WIDTH / r->buffer_width * VL_MACROBLOCK_WIDTH / r->macroblock_size,
(float)VL_BLOCK_HEIGHT / r->buffer_height * VL_MACROBLOCK_HEIGHT / r->macroblock_size
};
unsigned label;
shader = ureg_create(TGSI_PROCESSOR_VERTEX);
if (!shader)
return NULL;
vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
t_vpos = calc_position(r, shader, ureg_imm2f(shader, scale.x, scale.y));
t_vtex = ureg_DECL_temporary(shader);
o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
o_flags = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS);
/*
* o_vtex.xy = t_vpos
* o_flags.z = intra * 0.5
*
* if(interlaced) {
* t_vtex.xy = vrect.y ? { 0, scale.y } : { -scale.y : 0 }
* t_vtex.z = vpos.y % 2
* t_vtex.y = t_vtex.z ? t_vtex.x : t_vtex.y
* o_vpos.y = t_vtex.y + t_vpos.y
*
* o_flags.w = t_vtex.z ? 0 : 1
* }
*
*/
vs_callback(callback_priv, r, shader, VS_O_VTEX, t_vpos);
ureg_MUL(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_Z),
ureg_scalar(vpos, TGSI_SWIZZLE_Z), ureg_imm1f(shader, 0.5f));
ureg_MOV(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W), ureg_imm1f(shader, -1.0f));
if (r->macroblock_size == VL_MACROBLOCK_HEIGHT) { //TODO
ureg_IF(shader, ureg_scalar(vpos, TGSI_SWIZZLE_W), &label);
ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_XY),
ureg_negate(ureg_scalar(vrect, TGSI_SWIZZLE_Y)),
ureg_imm2f(shader, 0.0f, scale.y),
ureg_imm2f(shader, -scale.y, 0.0f));
ureg_MUL(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z),
ureg_scalar(vpos, TGSI_SWIZZLE_Y), ureg_imm1f(shader, 0.5f));
ureg_FRC(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Z), ureg_src(t_vtex));
ureg_CMP(shader, ureg_writemask(t_vtex, TGSI_WRITEMASK_Y),
ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_X),
ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Y));
ureg_ADD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_Y),
ureg_src(t_vpos), ureg_src(t_vtex));
ureg_CMP(shader, ureg_writemask(o_flags, TGSI_WRITEMASK_W),
ureg_negate(ureg_scalar(ureg_src(t_vtex), TGSI_SWIZZLE_Z)),
ureg_imm1f(shader, 0.0f), ureg_imm1f(shader, 1.0f));
ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
ureg_ENDIF(shader);
}
ureg_release_temporary(shader, t_vtex);
ureg_release_temporary(shader, t_vpos);
ureg_END(shader);
return ureg_create_shader_and_destroy(shader, r->pipe);
}
static void *
create_ycbcr_frag_shader(struct vl_mc *r, float scale, bool invert,
vl_mc_ycbcr_frag_shader fs_callback, void *callback_priv)
{
struct ureg_program *shader;
struct ureg_src flags;
struct ureg_dst tmp;
struct ureg_dst fragment;
unsigned label;
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (!shader)
return NULL;
flags = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_FLAGS, TGSI_INTERPOLATE_LINEAR);
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
tmp = calc_line(shader);
/*
* if (field == tc.w)
* kill();
* else {
* fragment.xyz = tex(tc, sampler) * scale + tc.z
* fragment.w = 1.0f
* }
*/
ureg_SEQ(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y),
ureg_scalar(flags, TGSI_SWIZZLE_W), ureg_src(tmp));
ureg_IF(shader, ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y), &label);
ureg_KILP(shader);
ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
ureg_ELSE(shader, &label);
fs_callback(callback_priv, r, shader, VS_O_VTEX, tmp);
if (scale != 1.0f)
ureg_MAD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
ureg_src(tmp), ureg_imm1f(shader, scale),
ureg_scalar(flags, TGSI_SWIZZLE_Z));
else
ureg_ADD(shader, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ),
ureg_src(tmp), ureg_scalar(flags, TGSI_SWIZZLE_Z));
ureg_MUL(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(tmp), ureg_imm1f(shader, invert ? -1.0f : 1.0f));
ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_imm1f(shader, 1.0f));
ureg_fixup_label(shader, label, ureg_get_instruction_number(shader));
ureg_ENDIF(shader);
ureg_release_temporary(shader, tmp);
ureg_END(shader);
return ureg_create_shader_and_destroy(shader, r->pipe);
}
static bool
init_pipe_state(struct vl_mc *r)
{
struct pipe_sampler_state sampler;
struct pipe_blend_state blend;
struct pipe_rasterizer_state rs_state;
unsigned i;
assert(r);
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_BORDER;
sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
sampler.compare_func = PIPE_FUNC_ALWAYS;
sampler.normalized_coords = 1;
r->sampler_ref = r->pipe->create_sampler_state(r->pipe, &sampler);
if (!r->sampler_ref)
goto error_sampler_ref;
for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
memset(&blend, 0, sizeof blend);
blend.independent_blend_enable = 0;
blend.rt[0].blend_enable = 1;
blend.rt[0].rgb_func = PIPE_BLEND_ADD;
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.rt[0].alpha_func = PIPE_BLEND_ADD;
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
blend.logicop_enable = 0;
blend.logicop_func = PIPE_LOGICOP_CLEAR;
blend.rt[0].colormask = i;
blend.dither = 0;
r->blend_clear[i] = r->pipe->create_blend_state(r->pipe, &blend);
if (!r->blend_clear[i])
goto error_blend;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
r->blend_add[i] = r->pipe->create_blend_state(r->pipe, &blend);
if (!r->blend_add[i])
goto error_blend;
blend.rt[0].rgb_func = PIPE_BLEND_REVERSE_SUBTRACT;
blend.rt[0].alpha_dst_factor = PIPE_BLEND_REVERSE_SUBTRACT;
r->blend_sub[i] = r->pipe->create_blend_state(r->pipe, &blend);
if (!r->blend_sub[i])
goto error_blend;
}
memset(&rs_state, 0, sizeof(rs_state));
/*rs_state.sprite_coord_enable */
rs_state.sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT;
rs_state.point_quad_rasterization = true;
rs_state.point_size = VL_BLOCK_WIDTH;
rs_state.half_pixel_center = true;
rs_state.bottom_edge_rule = true;
rs_state.depth_clip = 1;
r->rs_state = r->pipe->create_rasterizer_state(r->pipe, &rs_state);
if (!r->rs_state)
goto error_rs_state;
return true;
error_rs_state:
error_blend:
for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
if (r->blend_sub[i])
r->pipe->delete_blend_state(r->pipe, r->blend_sub[i]);
if (r->blend_add[i])
r->pipe->delete_blend_state(r->pipe, r->blend_add[i]);
if (r->blend_clear[i])
r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]);
}
r->pipe->delete_sampler_state(r->pipe, r->sampler_ref);
error_sampler_ref:
return false;
}
static void
cleanup_pipe_state(struct vl_mc *r)
{
unsigned i;
assert(r);
r->pipe->delete_sampler_state(r->pipe, r->sampler_ref);
for (i = 0; i < VL_MC_NUM_BLENDERS; ++i) {
r->pipe->delete_blend_state(r->pipe, r->blend_clear[i]);
r->pipe->delete_blend_state(r->pipe, r->blend_add[i]);
r->pipe->delete_blend_state(r->pipe, r->blend_sub[i]);
}
r->pipe->delete_rasterizer_state(r->pipe, r->rs_state);
}
bool
vl_mc_init(struct vl_mc *renderer, struct pipe_context *pipe,
unsigned buffer_width, unsigned buffer_height,
unsigned macroblock_size, float scale,
vl_mc_ycbcr_vert_shader vs_callback,
vl_mc_ycbcr_frag_shader fs_callback,
void *callback_priv)
{
assert(renderer);
assert(pipe);
memset(renderer, 0, sizeof(struct vl_mc));
renderer->pipe = pipe;
renderer->buffer_width = buffer_width;
renderer->buffer_height = buffer_height;
renderer->macroblock_size = macroblock_size;
if (!init_pipe_state(renderer))
goto error_pipe_state;
renderer->vs_ref = create_ref_vert_shader(renderer);
if (!renderer->vs_ref)
goto error_vs_ref;
renderer->vs_ycbcr = create_ycbcr_vert_shader(renderer, vs_callback, callback_priv);
if (!renderer->vs_ycbcr)
goto error_vs_ycbcr;
renderer->fs_ref = create_ref_frag_shader(renderer);
if (!renderer->fs_ref)
goto error_fs_ref;
renderer->fs_ycbcr = create_ycbcr_frag_shader(renderer, scale, false, fs_callback, callback_priv);
if (!renderer->fs_ycbcr)
goto error_fs_ycbcr;
renderer->fs_ycbcr_sub = create_ycbcr_frag_shader(renderer, scale, true, fs_callback, callback_priv);
if (!renderer->fs_ycbcr_sub)
goto error_fs_ycbcr_sub;
return true;
error_fs_ycbcr_sub:
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr);
error_fs_ycbcr:
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref);
error_fs_ref:
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr);
error_vs_ycbcr:
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref);
error_vs_ref:
cleanup_pipe_state(renderer);
error_pipe_state:
return false;
}
void
vl_mc_cleanup(struct vl_mc *renderer)
{
assert(renderer);
cleanup_pipe_state(renderer);
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ref);
renderer->pipe->delete_vs_state(renderer->pipe, renderer->vs_ycbcr);
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ref);
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr);
renderer->pipe->delete_fs_state(renderer->pipe, renderer->fs_ycbcr_sub);
}
bool
vl_mc_init_buffer(struct vl_mc *renderer, struct vl_mc_buffer *buffer)
{
assert(renderer && buffer);
buffer->viewport.scale[2] = 1;
buffer->viewport.scale[3] = 1;
buffer->viewport.translate[0] = 0;
buffer->viewport.translate[1] = 0;
buffer->viewport.translate[2] = 0;
buffer->viewport.translate[3] = 0;
buffer->fb_state.nr_cbufs = 1;
buffer->fb_state.zsbuf = NULL;
return true;
}
void
vl_mc_cleanup_buffer(struct vl_mc_buffer *buffer)
{
assert(buffer);
}
void
vl_mc_set_surface(struct vl_mc_buffer *buffer, struct pipe_surface *surface)
{
assert(buffer && surface);
buffer->surface_cleared = false;
buffer->viewport.scale[0] = surface->width;
buffer->viewport.scale[1] = surface->height;
buffer->fb_state.width = surface->width;
buffer->fb_state.height = surface->height;
buffer->fb_state.cbufs[0] = surface;
}
static void
prepare_pipe_4_rendering(struct vl_mc *renderer, struct vl_mc_buffer *buffer, unsigned mask)
{
assert(buffer);
renderer->pipe->bind_rasterizer_state(renderer->pipe, renderer->rs_state);
if (buffer->surface_cleared)
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_add[mask]);
else
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_clear[mask]);
renderer->pipe->set_framebuffer_state(renderer->pipe, &buffer->fb_state);
renderer->pipe->set_viewport_states(renderer->pipe, 0, 1, &buffer->viewport);
}
void
vl_mc_render_ref(struct vl_mc *renderer, struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref)
{
assert(buffer && ref);
prepare_pipe_4_rendering(renderer, buffer, PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B);
renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ref);
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ref);
renderer->pipe->set_fragment_sampler_views(renderer->pipe, 1, &ref);
renderer->pipe->bind_fragment_sampler_states(renderer->pipe, 1, &renderer->sampler_ref);
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0,
renderer->buffer_width / VL_MACROBLOCK_WIDTH *
renderer->buffer_height / VL_MACROBLOCK_HEIGHT);
buffer->surface_cleared = true;
}
void
vl_mc_render_ycbcr(struct vl_mc *renderer, struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances)
{
unsigned mask = 1 << component;
assert(buffer);
if (num_instances == 0)
return;
prepare_pipe_4_rendering(renderer, buffer, mask);
renderer->pipe->bind_vs_state(renderer->pipe, renderer->vs_ycbcr);
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ycbcr);
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
if (buffer->surface_cleared) {
renderer->pipe->bind_blend_state(renderer->pipe, renderer->blend_sub[mask]);
renderer->pipe->bind_fs_state(renderer->pipe, renderer->fs_ycbcr_sub);
util_draw_arrays_instanced(renderer->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
}
}