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-rw-r--r--src/gallium/auxiliary/vl/vl_mc.c660
1 files changed, 660 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/vl/vl_mc.c b/src/gallium/auxiliary/vl/vl_mc.c
new file mode 100644
index 00000000000..bd05205b52d
--- /dev/null
+++ b/src/gallium/auxiliary/vl/vl_mc.c
@@ -0,0 +1,660 @@
+/**************************************************************************
+ *
+ * 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,
+ VS_O_VTOP,
+ 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 = (MACROBLOCK_WIDTH, 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 vrect, vmv[2];
+ struct ureg_dst t_vpos;
+ struct ureg_dst o_vpos, o_vmv[2];
+ unsigned i;
+
+ shader = ureg_create(TGSI_PROCESSOR_VERTEX);
+ if (!shader)
+ return NULL;
+
+ vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
+ 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)MACROBLOCK_WIDTH / r->buffer_width,
+ (float)MACROBLOCK_HEIGHT / r->buffer_height)
+ );
+
+ o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
+ 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 / 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)BLOCK_WIDTH / r->buffer_width * MACROBLOCK_WIDTH / r->macroblock_size,
+ (float)BLOCK_HEIGHT / r->buffer_height * 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 == 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 = BLOCK_WIDTH;
+ rs_state.gl_rasterization_rules = true;
+ 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->renderer = renderer;
+
+ 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_buffer *buffer, unsigned mask)
+{
+ struct vl_mc *renderer;
+
+ assert(buffer);
+
+ renderer = buffer->renderer;
+ 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_state(renderer->pipe, &buffer->viewport);
+}
+
+void
+vl_mc_render_ref(struct vl_mc_buffer *buffer, struct pipe_sampler_view *ref)
+{
+ struct vl_mc *renderer;
+
+ assert(buffer && ref);
+
+ prepare_pipe_4_rendering(buffer, PIPE_MASK_R | PIPE_MASK_G | PIPE_MASK_B);
+
+ renderer = buffer->renderer;
+
+ 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 / MACROBLOCK_WIDTH *
+ renderer->buffer_height / MACROBLOCK_HEIGHT);
+
+ buffer->surface_cleared = true;
+}
+
+void
+vl_mc_render_ycbcr(struct vl_mc_buffer *buffer, unsigned component, unsigned num_instances)
+{
+ struct vl_mc *renderer;
+ unsigned mask = 1 << component;
+
+ assert(buffer);
+
+ if (num_instances == 0)
+ return;
+
+ prepare_pipe_4_rendering(buffer, mask);
+
+ renderer = buffer->renderer;
+
+ 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);
+ }
+}