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/**************************************************************************
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* Copyright 2010 Christian König
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#include "pipe/p_context.h"
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#include "pipe/p_screen.h"
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#include "util/u_draw.h"
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#include "util/u_sampler.h"
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#include "util/u_memory.h"
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#include "tgsi/tgsi_ureg.h"
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#include "vl_defines.h"
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#include "vl_vertex_buffers.h"
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* The DCT matrix stored as hex representation of floats. Equal to the following equation:
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* for (i = 0; i < 8; ++i)
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* for (j = 0; j < 8; ++j)
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* if (i == 0) const_matrix[i][j] = 1.0f / sqrtf(8.0f);
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* else const_matrix[i][j] = sqrtf(2.0f / 8.0f) * cosf((2 * j + 1) * i * M_PI / (2.0f * 8.0f));
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static const uint32_t const_matrix[8][8] = {
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{ 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3 },
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{ 0x3efb14be, 0x3ed4db31, 0x3e8e39da, 0x3dc7c5c4, 0xbdc7c5c2, 0xbe8e39d9, 0xbed4db32, 0xbefb14bf },
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{ 0x3eec835f, 0x3e43ef15, 0xbe43ef14, 0xbeec835e, 0xbeec835f, 0xbe43ef1a, 0x3e43ef1b, 0x3eec835f },
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{ 0x3ed4db31, 0xbdc7c5c2, 0xbefb14bf, 0xbe8e39dd, 0x3e8e39d7, 0x3efb14bf, 0x3dc7c5d0, 0xbed4db34 },
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{ 0x3eb504f3, 0xbeb504f3, 0xbeb504f4, 0x3eb504f1, 0x3eb504f3, 0xbeb504f0, 0xbeb504ef, 0x3eb504f4 },
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{ 0x3e8e39da, 0xbefb14bf, 0x3dc7c5c8, 0x3ed4db32, 0xbed4db34, 0xbdc7c5bb, 0x3efb14bf, 0xbe8e39d7 },
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{ 0x3e43ef15, 0xbeec835f, 0x3eec835f, 0xbe43ef07, 0xbe43ef23, 0x3eec8361, 0xbeec835c, 0x3e43ef25 },
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{ 0x3dc7c5c4, 0xbe8e39dd, 0x3ed4db32, 0xbefb14c0, 0x3efb14be, 0xbed4db31, 0x3e8e39ce, 0xbdc7c596 },
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calc_addr(struct ureg_program *shader, struct ureg_dst addr[2],
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struct ureg_src tc, struct ureg_src start, bool right_side,
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bool transposed, float size)
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unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y;
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unsigned sw_start = right_side ? TGSI_SWIZZLE_Y : TGSI_SWIZZLE_X;
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unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X;
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unsigned sw_tc = right_side ? TGSI_SWIZZLE_X : TGSI_SWIZZLE_Y;
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* addr[0..1].(start) = right_side ? start.x : tc.x
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* addr[0..1].(tc) = right_side ? tc.y : start.y
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* addr[1].(start) += 1.0f / scale
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ureg_MOV(shader, ureg_writemask(addr[0], wm_start), ureg_scalar(start, sw_start));
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ureg_MOV(shader, ureg_writemask(addr[0], wm_tc), ureg_scalar(tc, sw_tc));
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ureg_ADD(shader, ureg_writemask(addr[1], wm_start), ureg_scalar(start, sw_start), ureg_imm1f(shader, 1.0f / size));
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ureg_MOV(shader, ureg_writemask(addr[1], wm_tc), ureg_scalar(tc, sw_tc));
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increment_addr(struct ureg_program *shader, struct ureg_dst daddr[2],
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struct ureg_src saddr[2], bool right_side, bool transposed,
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unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y;
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unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X;
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* daddr[0..1].(start) = saddr[0..1].(start)
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* daddr[0..1].(tc) = saddr[0..1].(tc)
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ureg_MOV(shader, ureg_writemask(daddr[0], wm_start), saddr[0]);
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ureg_ADD(shader, ureg_writemask(daddr[0], wm_tc), saddr[0], ureg_imm1f(shader, pos / size));
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ureg_MOV(shader, ureg_writemask(daddr[1], wm_start), saddr[1]);
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ureg_ADD(shader, ureg_writemask(daddr[1], wm_tc), saddr[1], ureg_imm1f(shader, pos / size));
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fetch_four(struct ureg_program *shader, struct ureg_dst m[2], struct ureg_src addr[2],
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struct ureg_src sampler, bool resource3d)
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ureg_TEX(shader, m[0], resource3d ? TGSI_TEXTURE_3D : TGSI_TEXTURE_2D, addr[0], sampler);
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ureg_TEX(shader, m[1], resource3d ? TGSI_TEXTURE_3D : TGSI_TEXTURE_2D, addr[1], sampler);
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matrix_mul(struct ureg_program *shader, struct ureg_dst dst, struct ureg_dst l[2], struct ureg_dst r[2])
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tmp = ureg_DECL_temporary(shader);
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* tmp.xy = dot4(m[0][0..1], m[1][0..1])
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* dst = tmp.x + tmp.y
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ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_src(l[0]), ureg_src(r[0]));
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ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(l[1]), ureg_src(r[1]));
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ureg_ADD(shader, dst,
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ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X),
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ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y));
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ureg_release_temporary(shader, tmp);
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create_mismatch_vert_shader(struct vl_idct *idct)
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struct ureg_program *shader;
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struct ureg_src vpos;
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struct ureg_src scale;
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struct ureg_dst t_tex;
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struct ureg_dst o_vpos, o_addr[2];
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shader = ureg_create(TGSI_PROCESSOR_VERTEX);
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vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
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t_tex = ureg_DECL_temporary(shader);
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o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
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o_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0);
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o_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1);
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* scale = (BLOCK_WIDTH, BLOCK_HEIGHT) / (dst.width, dst.height)
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* t_vpos = vpos + 7 / BLOCK_WIDTH
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* o_vpos.xy = t_vpos * scale
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* o_addr = calc_addr(...)
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scale = ureg_imm2f(shader,
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(float)BLOCK_WIDTH / idct->buffer_width,
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(float)BLOCK_HEIGHT / idct->buffer_height);
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ureg_MAD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), vpos, scale, scale);
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ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));
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ureg_MUL(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), vpos, scale);
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calc_addr(shader, o_addr, ureg_src(t_tex), ureg_src(t_tex), false, false, idct->buffer_width / 4);
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ureg_release_temporary(shader, t_tex);
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return ureg_create_shader_and_destroy(shader, idct->pipe);
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create_mismatch_frag_shader(struct vl_idct *idct)
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struct ureg_program *shader;
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struct ureg_src addr[2];
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struct ureg_dst m[8][2];
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struct ureg_dst fragment;
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shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR);
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addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR);
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fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0);
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for (i = 0; i < 8; ++i) {
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m[i][0] = ureg_DECL_temporary(shader);
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m[i][1] = ureg_DECL_temporary(shader);
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for (i = 0; i < 8; ++i) {
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increment_addr(shader, m[i], addr, false, false, i, idct->buffer_height);
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for (i = 0; i < 8; ++i) {
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struct ureg_src s_addr[2];
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s_addr[0] = ureg_src(m[i][0]);
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s_addr[1] = ureg_src(m[i][1]);
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fetch_four(shader, m[i], s_addr, ureg_DECL_sampler(shader, 0), false);
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for (i = 1; i < 8; ++i) {
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ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[i][0]));
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ureg_ADD(shader, m[0][1], ureg_src(m[0][1]), ureg_src(m[i][1]));
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ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[0][1]));
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ureg_DP4(shader, m[0][0], ureg_abs(ureg_src(m[0][0])), ureg_imm1f(shader, 1 << 14));
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ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_abs(ureg_src(m[7][1])), ureg_imm1f(shader, 1 << 14));
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ureg_FRC(shader, m[0][0], ureg_src(m[0][0]));
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ureg_SGT(shader, m[0][0], ureg_imm1f(shader, 0.5f), ureg_abs(ureg_src(m[0][0])));
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ureg_CMP(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_negate(ureg_src(m[0][0])),
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ureg_imm1f(shader, 1.0f / (1 << 15)), ureg_imm1f(shader, -1.0f / (1 << 15)));
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ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_src(m[0][0]),
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ureg_scalar(ureg_src(m[0][0]), TGSI_SWIZZLE_X));
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ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(m[7][1]));
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ureg_ADD(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_src(m[0][0]), ureg_src(m[7][1]));
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for (i = 0; i < 8; ++i) {
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ureg_release_temporary(shader, m[i][0]);
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ureg_release_temporary(shader, m[i][1]);
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return ureg_create_shader_and_destroy(shader, idct->pipe);
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create_stage1_vert_shader(struct vl_idct *idct)
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struct ureg_program *shader;
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struct ureg_src vrect, vpos;
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struct ureg_src scale;
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struct ureg_dst t_tex, t_start;
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struct ureg_dst o_vpos, o_l_addr[2], o_r_addr[2];
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shader = ureg_create(TGSI_PROCESSOR_VERTEX);
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vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
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vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
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t_tex = ureg_DECL_temporary(shader);
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t_start = ureg_DECL_temporary(shader);
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o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS);
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o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0);
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o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1);
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o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR0);
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o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR1);
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* scale = (BLOCK_WIDTH, BLOCK_HEIGHT) / (dst.width, dst.height)
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* t_vpos = vpos + vrect
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* o_vpos.xy = t_vpos * scale
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* o_l_addr = calc_addr(...)
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* o_r_addr = calc_addr(...)
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scale = ureg_imm2f(shader,
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(float)BLOCK_WIDTH / idct->buffer_width,
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(float)BLOCK_HEIGHT / idct->buffer_height);
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ureg_ADD(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), vpos, vrect);
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ureg_MUL(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), ureg_src(t_tex), scale);
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ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_tex));
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ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f));
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ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale);
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calc_addr(shader, o_l_addr, ureg_src(t_tex), ureg_src(t_start), false, false, idct->buffer_width / 4);
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calc_addr(shader, o_r_addr, vrect, ureg_imm1f(shader, 0.0f), true, true, BLOCK_WIDTH / 4);
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ureg_release_temporary(shader, t_tex);
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ureg_release_temporary(shader, t_start);
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return ureg_create_shader_and_destroy(shader, idct->pipe);
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create_stage1_frag_shader(struct vl_idct *idct)
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struct ureg_program *shader;
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struct ureg_src l_addr[2], r_addr[2];
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struct ureg_dst l[4][2], r[2];
328
struct ureg_dst *fragment;
332
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT);
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fragment = MALLOC(idct->nr_of_render_targets * sizeof(struct ureg_dst));
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l_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR);
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l_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR);
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r_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR0, TGSI_INTERPOLATE_LINEAR);
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r_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR1, TGSI_INTERPOLATE_LINEAR);
344
for (i = 0; i < idct->nr_of_render_targets; ++i)
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fragment[i] = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, i);
347
for (i = 0; i < 4; ++i) {
348
l[i][0] = ureg_DECL_temporary(shader);
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l[i][1] = ureg_DECL_temporary(shader);
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r[0] = ureg_DECL_temporary(shader);
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r[1] = ureg_DECL_temporary(shader);
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for (i = 0; i < 4; ++i) {
356
increment_addr(shader, l[i], l_addr, false, false, i - 2, idct->buffer_height);
359
for (i = 0; i < 4; ++i) {
360
struct ureg_src s_addr[2];
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s_addr[0] = ureg_src(l[i][0]);
362
s_addr[1] = ureg_src(l[i][1]);
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fetch_four(shader, l[i], s_addr, ureg_DECL_sampler(shader, 0), false);
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for (i = 0; i < idct->nr_of_render_targets; ++i) {
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struct ureg_src s_addr[2];
369
increment_addr(shader, r, r_addr, true, true, i - (signed)idct->nr_of_render_targets / 2, BLOCK_HEIGHT);
371
s_addr[0] = ureg_src(r[0]);
372
s_addr[1] = ureg_src(r[1]);
373
fetch_four(shader, r, s_addr, ureg_DECL_sampler(shader, 1), false);
375
for (j = 0; j < 4; ++j) {
376
matrix_mul(shader, ureg_writemask(fragment[i], TGSI_WRITEMASK_X << j), l[j], r);
380
for (i = 0; i < 4; ++i) {
381
ureg_release_temporary(shader, l[i][0]);
382
ureg_release_temporary(shader, l[i][1]);
384
ureg_release_temporary(shader, r[0]);
385
ureg_release_temporary(shader, r[1]);
391
return ureg_create_shader_and_destroy(shader, idct->pipe);
395
vl_idct_stage2_vert_shader(struct vl_idct *idct, struct ureg_program *shader,
396
unsigned first_output, struct ureg_dst tex)
398
struct ureg_src vrect, vpos;
399
struct ureg_src scale;
400
struct ureg_dst t_start;
401
struct ureg_dst o_l_addr[2], o_r_addr[2];
403
vrect = ureg_DECL_vs_input(shader, VS_I_RECT);
404
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS);
406
t_start = ureg_DECL_temporary(shader);
410
o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR0);
411
o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR1);
413
o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR0);
414
o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR1);
416
scale = ureg_imm2f(shader,
417
(float)BLOCK_WIDTH / idct->buffer_width,
418
(float)BLOCK_HEIGHT / idct->buffer_height);
420
ureg_MUL(shader, ureg_writemask(tex, TGSI_WRITEMASK_Z),
421
ureg_scalar(vrect, TGSI_SWIZZLE_X),
422
ureg_imm1f(shader, BLOCK_WIDTH / idct->nr_of_render_targets));
423
ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale);
425
calc_addr(shader, o_l_addr, vrect, ureg_imm1f(shader, 0.0f), false, false, BLOCK_WIDTH / 4);
426
calc_addr(shader, o_r_addr, ureg_src(tex), ureg_src(t_start), true, false, idct->buffer_height / 4);
428
ureg_MOV(shader, ureg_writemask(o_r_addr[0], TGSI_WRITEMASK_Z), ureg_src(tex));
429
ureg_MOV(shader, ureg_writemask(o_r_addr[1], TGSI_WRITEMASK_Z), ureg_src(tex));
433
vl_idct_stage2_frag_shader(struct vl_idct *idct, struct ureg_program *shader,
434
unsigned first_input, struct ureg_dst fragment)
436
struct ureg_src l_addr[2], r_addr[2];
438
struct ureg_dst l[2], r[2];
442
l_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR);
443
l_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR);
445
r_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_R_ADDR0, TGSI_INTERPOLATE_LINEAR);
446
r_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_R_ADDR1, TGSI_INTERPOLATE_LINEAR);
448
l[0] = ureg_DECL_temporary(shader);
449
l[1] = ureg_DECL_temporary(shader);
450
r[0] = ureg_DECL_temporary(shader);
451
r[1] = ureg_DECL_temporary(shader);
453
fetch_four(shader, l, l_addr, ureg_DECL_sampler(shader, 1), false);
454
fetch_four(shader, r, r_addr, ureg_DECL_sampler(shader, 0), true);
456
matrix_mul(shader, fragment, l, r);
458
ureg_release_temporary(shader, l[0]);
459
ureg_release_temporary(shader, l[1]);
460
ureg_release_temporary(shader, r[0]);
461
ureg_release_temporary(shader, r[1]);
465
init_shaders(struct vl_idct *idct)
467
idct->vs_mismatch = create_mismatch_vert_shader(idct);
468
if (!idct->vs_mismatch)
469
goto error_vs_mismatch;
471
idct->fs_mismatch = create_mismatch_frag_shader(idct);
472
if (!idct->fs_mismatch)
473
goto error_fs_mismatch;
475
idct->vs = create_stage1_vert_shader(idct);
479
idct->fs = create_stage1_frag_shader(idct);
486
idct->pipe->delete_vs_state(idct->pipe, idct->vs);
489
idct->pipe->delete_vs_state(idct->pipe, idct->vs_mismatch);
492
idct->pipe->delete_vs_state(idct->pipe, idct->fs);
499
cleanup_shaders(struct vl_idct *idct)
501
idct->pipe->delete_vs_state(idct->pipe, idct->vs_mismatch);
502
idct->pipe->delete_fs_state(idct->pipe, idct->fs_mismatch);
503
idct->pipe->delete_vs_state(idct->pipe, idct->vs);
504
idct->pipe->delete_fs_state(idct->pipe, idct->fs);
508
init_state(struct vl_idct *idct)
510
struct pipe_blend_state blend;
511
struct pipe_rasterizer_state rs_state;
512
struct pipe_sampler_state sampler;
517
memset(&rs_state, 0, sizeof(rs_state));
518
rs_state.point_size = 1;
519
rs_state.gl_rasterization_rules = true;
520
rs_state.depth_clip = 1;
521
idct->rs_state = idct->pipe->create_rasterizer_state(idct->pipe, &rs_state);
525
memset(&blend, 0, sizeof blend);
527
blend.independent_blend_enable = 0;
528
blend.rt[0].blend_enable = 0;
529
blend.rt[0].rgb_func = PIPE_BLEND_ADD;
530
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
531
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
532
blend.rt[0].alpha_func = PIPE_BLEND_ADD;
533
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
534
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
535
blend.logicop_enable = 0;
536
blend.logicop_func = PIPE_LOGICOP_CLEAR;
537
/* Needed to allow color writes to FB, even if blending disabled */
538
blend.rt[0].colormask = PIPE_MASK_RGBA;
540
idct->blend = idct->pipe->create_blend_state(idct->pipe, &blend);
544
for (i = 0; i < 2; ++i) {
545
memset(&sampler, 0, sizeof(sampler));
546
sampler.wrap_s = PIPE_TEX_WRAP_REPEAT;
547
sampler.wrap_t = PIPE_TEX_WRAP_REPEAT;
548
sampler.wrap_r = PIPE_TEX_WRAP_REPEAT;
549
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
550
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
551
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
552
sampler.compare_mode = PIPE_TEX_COMPARE_NONE;
553
sampler.compare_func = PIPE_FUNC_ALWAYS;
554
sampler.normalized_coords = 1;
555
idct->samplers[i] = idct->pipe->create_sampler_state(idct->pipe, &sampler);
556
if (!idct->samplers[i])
563
for (i = 0; i < 2; ++i)
564
if (idct->samplers[i])
565
idct->pipe->delete_sampler_state(idct->pipe, idct->samplers[i]);
567
idct->pipe->delete_rasterizer_state(idct->pipe, idct->rs_state);
570
idct->pipe->delete_blend_state(idct->pipe, idct->blend);
577
cleanup_state(struct vl_idct *idct)
581
for (i = 0; i < 2; ++i)
582
idct->pipe->delete_sampler_state(idct->pipe, idct->samplers[i]);
584
idct->pipe->delete_rasterizer_state(idct->pipe, idct->rs_state);
585
idct->pipe->delete_blend_state(idct->pipe, idct->blend);
589
init_source(struct vl_idct *idct, struct vl_idct_buffer *buffer)
591
struct pipe_resource *tex;
592
struct pipe_surface surf_templ;
594
assert(idct && buffer);
596
tex = buffer->sampler_views.individual.source->texture;
598
buffer->fb_state_mismatch.width = tex->width0;
599
buffer->fb_state_mismatch.height = tex->height0;
600
buffer->fb_state_mismatch.nr_cbufs = 1;
602
memset(&surf_templ, 0, sizeof(surf_templ));
603
surf_templ.format = tex->format;
604
surf_templ.u.tex.first_layer = 0;
605
surf_templ.u.tex.last_layer = 0;
606
surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
607
buffer->fb_state_mismatch.cbufs[0] = idct->pipe->create_surface(idct->pipe, tex, &surf_templ);
609
buffer->viewport_mismatch.scale[0] = tex->width0;
610
buffer->viewport_mismatch.scale[1] = tex->height0;
611
buffer->viewport_mismatch.scale[2] = 1;
612
buffer->viewport_mismatch.scale[3] = 1;
618
cleanup_source(struct vl_idct_buffer *buffer)
622
pipe_surface_reference(&buffer->fb_state_mismatch.cbufs[0], NULL);
624
pipe_sampler_view_reference(&buffer->sampler_views.individual.source, NULL);
628
init_intermediate(struct vl_idct *idct, struct vl_idct_buffer *buffer)
630
struct pipe_resource *tex;
631
struct pipe_surface surf_templ;
634
assert(idct && buffer);
636
tex = buffer->sampler_views.individual.intermediate->texture;
638
buffer->fb_state.width = tex->width0;
639
buffer->fb_state.height = tex->height0;
640
buffer->fb_state.nr_cbufs = idct->nr_of_render_targets;
641
for(i = 0; i < idct->nr_of_render_targets; ++i) {
642
memset(&surf_templ, 0, sizeof(surf_templ));
643
surf_templ.format = tex->format;
644
surf_templ.u.tex.first_layer = i;
645
surf_templ.u.tex.last_layer = i;
646
surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
647
buffer->fb_state.cbufs[i] = idct->pipe->create_surface(
648
idct->pipe, tex, &surf_templ);
650
if (!buffer->fb_state.cbufs[i])
654
buffer->viewport.scale[0] = tex->width0;
655
buffer->viewport.scale[1] = tex->height0;
656
buffer->viewport.scale[2] = 1;
657
buffer->viewport.scale[3] = 1;
662
for(i = 0; i < idct->nr_of_render_targets; ++i)
663
pipe_surface_reference(&buffer->fb_state.cbufs[i], NULL);
669
cleanup_intermediate(struct vl_idct_buffer *buffer)
675
for(i = 0; i < PIPE_MAX_COLOR_BUFS; ++i)
676
pipe_surface_reference(&buffer->fb_state.cbufs[i], NULL);
678
pipe_sampler_view_reference(&buffer->sampler_views.individual.intermediate, NULL);
681
struct pipe_sampler_view *
682
vl_idct_upload_matrix(struct pipe_context *pipe, float scale)
684
struct pipe_resource tex_templ, *matrix;
685
struct pipe_sampler_view sv_templ, *sv;
686
struct pipe_transfer *buf_transfer;
687
unsigned i, j, pitch;
690
struct pipe_box rect =
700
memset(&tex_templ, 0, sizeof(tex_templ));
701
tex_templ.target = PIPE_TEXTURE_2D;
702
tex_templ.format = PIPE_FORMAT_R32G32B32A32_FLOAT;
703
tex_templ.last_level = 0;
704
tex_templ.width0 = 2;
705
tex_templ.height0 = 8;
706
tex_templ.depth0 = 1;
707
tex_templ.array_size = 1;
708
tex_templ.usage = PIPE_USAGE_IMMUTABLE;
709
tex_templ.bind = PIPE_BIND_SAMPLER_VIEW;
712
matrix = pipe->screen->resource_create(pipe->screen, &tex_templ);
716
buf_transfer = pipe->get_transfer
719
0, PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE,
725
pitch = buf_transfer->stride / sizeof(float);
727
f = pipe->transfer_map(pipe, buf_transfer);
731
for(i = 0; i < BLOCK_HEIGHT; ++i)
732
for(j = 0; j < BLOCK_WIDTH; ++j)
733
// transpose and scale
734
f[i * pitch + j] = ((const float (*)[8])const_matrix)[j][i] * scale;
736
pipe->transfer_unmap(pipe, buf_transfer);
737
pipe->transfer_destroy(pipe, buf_transfer);
739
memset(&sv_templ, 0, sizeof(sv_templ));
740
u_sampler_view_default_template(&sv_templ, matrix, matrix->format);
741
sv = pipe->create_sampler_view(pipe, matrix, &sv_templ);
742
pipe_resource_reference(&matrix, NULL);
749
pipe->transfer_destroy(pipe, buf_transfer);
752
pipe_resource_reference(&matrix, NULL);
758
bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe,
759
unsigned buffer_width, unsigned buffer_height,
760
unsigned nr_of_render_targets,
761
struct pipe_sampler_view *matrix,
762
struct pipe_sampler_view *transpose)
764
assert(idct && pipe);
765
assert(matrix && transpose);
768
idct->buffer_width = buffer_width;
769
idct->buffer_height = buffer_height;
770
idct->nr_of_render_targets = nr_of_render_targets;
772
pipe_sampler_view_reference(&idct->matrix, matrix);
773
pipe_sampler_view_reference(&idct->transpose, transpose);
775
if(!init_shaders(idct))
778
if(!init_state(idct)) {
779
cleanup_shaders(idct);
787
vl_idct_cleanup(struct vl_idct *idct)
789
cleanup_shaders(idct);
792
pipe_sampler_view_reference(&idct->matrix, NULL);
793
pipe_sampler_view_reference(&idct->transpose, NULL);
797
vl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer,
798
struct pipe_sampler_view *source,
799
struct pipe_sampler_view *intermediate)
801
assert(buffer && idct);
802
assert(source && intermediate);
804
memset(buffer, 0, sizeof(struct vl_idct_buffer));
806
pipe_sampler_view_reference(&buffer->sampler_views.individual.matrix, idct->matrix);
807
pipe_sampler_view_reference(&buffer->sampler_views.individual.source, source);
808
pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, idct->transpose);
809
pipe_sampler_view_reference(&buffer->sampler_views.individual.intermediate, intermediate);
811
if (!init_source(idct, buffer))
814
if (!init_intermediate(idct, buffer))
821
vl_idct_cleanup_buffer(struct vl_idct_buffer *buffer)
825
cleanup_source(buffer);
826
cleanup_intermediate(buffer);
828
pipe_sampler_view_reference(&buffer->sampler_views.individual.matrix, NULL);
829
pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, NULL);
833
vl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer, unsigned num_instances)
837
idct->pipe->bind_rasterizer_state(idct->pipe, idct->rs_state);
838
idct->pipe->bind_blend_state(idct->pipe, idct->blend);
839
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers);
840
idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[0]);
842
/* mismatch control */
843
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state_mismatch);
844
idct->pipe->set_viewport_state(idct->pipe, &buffer->viewport_mismatch);
845
idct->pipe->bind_vs_state(idct->pipe, idct->vs_mismatch);
846
idct->pipe->bind_fs_state(idct->pipe, idct->fs_mismatch);
847
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_POINTS, 0, 1, 0, num_instances);
850
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state);
851
idct->pipe->set_viewport_state(idct->pipe, &buffer->viewport);
852
idct->pipe->bind_vs_state(idct->pipe, idct->vs);
853
idct->pipe->bind_fs_state(idct->pipe, idct->fs);
854
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances);
858
vl_idct_prepare_stage2(struct vl_idct *idct, struct vl_idct_buffer *buffer)
863
idct->pipe->bind_rasterizer_state(idct->pipe, idct->rs_state);
864
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers);
865
idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[1]);