0,0 → 1,856 |
/************************************************************************** |
* |
* Copyright 2010 Christian König |
* 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 "pipe/p_screen.h" |
|
#include "util/u_draw.h" |
#include "util/u_sampler.h" |
#include "util/u_memory.h" |
|
#include "tgsi/tgsi_ureg.h" |
|
#include "vl_defines.h" |
#include "vl_types.h" |
#include "vl_vertex_buffers.h" |
#include "vl_idct.h" |
|
enum VS_OUTPUT |
{ |
VS_O_VPOS = 0, |
VS_O_L_ADDR0 = 0, |
VS_O_L_ADDR1, |
VS_O_R_ADDR0, |
VS_O_R_ADDR1 |
}; |
|
/** |
* The DCT matrix stored as hex representation of floats. Equal to the following equation: |
* for (i = 0; i < 8; ++i) |
* for (j = 0; j < 8; ++j) |
* if (i == 0) const_matrix[i][j] = 1.0f / sqrtf(8.0f); |
* else const_matrix[i][j] = sqrtf(2.0f / 8.0f) * cosf((2 * j + 1) * i * M_PI / (2.0f * 8.0f)); |
*/ |
static const uint32_t const_matrix[8][8] = { |
{ 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3, 0x3eb504f3 }, |
{ 0x3efb14be, 0x3ed4db31, 0x3e8e39da, 0x3dc7c5c4, 0xbdc7c5c2, 0xbe8e39d9, 0xbed4db32, 0xbefb14bf }, |
{ 0x3eec835f, 0x3e43ef15, 0xbe43ef14, 0xbeec835e, 0xbeec835f, 0xbe43ef1a, 0x3e43ef1b, 0x3eec835f }, |
{ 0x3ed4db31, 0xbdc7c5c2, 0xbefb14bf, 0xbe8e39dd, 0x3e8e39d7, 0x3efb14bf, 0x3dc7c5d0, 0xbed4db34 }, |
{ 0x3eb504f3, 0xbeb504f3, 0xbeb504f4, 0x3eb504f1, 0x3eb504f3, 0xbeb504f0, 0xbeb504ef, 0x3eb504f4 }, |
{ 0x3e8e39da, 0xbefb14bf, 0x3dc7c5c8, 0x3ed4db32, 0xbed4db34, 0xbdc7c5bb, 0x3efb14bf, 0xbe8e39d7 }, |
{ 0x3e43ef15, 0xbeec835f, 0x3eec835f, 0xbe43ef07, 0xbe43ef23, 0x3eec8361, 0xbeec835c, 0x3e43ef25 }, |
{ 0x3dc7c5c4, 0xbe8e39dd, 0x3ed4db32, 0xbefb14c0, 0x3efb14be, 0xbed4db31, 0x3e8e39ce, 0xbdc7c596 }, |
}; |
|
static void |
calc_addr(struct ureg_program *shader, struct ureg_dst addr[2], |
struct ureg_src tc, struct ureg_src start, bool right_side, |
bool transposed, float size) |
{ |
unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y; |
unsigned sw_start = right_side ? TGSI_SWIZZLE_Y : TGSI_SWIZZLE_X; |
|
unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X; |
unsigned sw_tc = right_side ? TGSI_SWIZZLE_X : TGSI_SWIZZLE_Y; |
|
/* |
* addr[0..1].(start) = right_side ? start.x : tc.x |
* addr[0..1].(tc) = right_side ? tc.y : start.y |
* addr[0..1].z = tc.z |
* addr[1].(start) += 1.0f / scale |
*/ |
ureg_MOV(shader, ureg_writemask(addr[0], wm_start), ureg_scalar(start, sw_start)); |
ureg_MOV(shader, ureg_writemask(addr[0], wm_tc), ureg_scalar(tc, sw_tc)); |
|
ureg_ADD(shader, ureg_writemask(addr[1], wm_start), ureg_scalar(start, sw_start), ureg_imm1f(shader, 1.0f / size)); |
ureg_MOV(shader, ureg_writemask(addr[1], wm_tc), ureg_scalar(tc, sw_tc)); |
} |
|
static void |
increment_addr(struct ureg_program *shader, struct ureg_dst daddr[2], |
struct ureg_src saddr[2], bool right_side, bool transposed, |
int pos, float size) |
{ |
unsigned wm_start = (right_side == transposed) ? TGSI_WRITEMASK_X : TGSI_WRITEMASK_Y; |
unsigned wm_tc = (right_side == transposed) ? TGSI_WRITEMASK_Y : TGSI_WRITEMASK_X; |
|
/* |
* daddr[0..1].(start) = saddr[0..1].(start) |
* daddr[0..1].(tc) = saddr[0..1].(tc) |
*/ |
|
ureg_MOV(shader, ureg_writemask(daddr[0], wm_start), saddr[0]); |
ureg_ADD(shader, ureg_writemask(daddr[0], wm_tc), saddr[0], ureg_imm1f(shader, pos / size)); |
ureg_MOV(shader, ureg_writemask(daddr[1], wm_start), saddr[1]); |
ureg_ADD(shader, ureg_writemask(daddr[1], wm_tc), saddr[1], ureg_imm1f(shader, pos / size)); |
} |
|
static void |
fetch_four(struct ureg_program *shader, struct ureg_dst m[2], struct ureg_src addr[2], |
struct ureg_src sampler, bool resource3d) |
{ |
ureg_TEX(shader, m[0], resource3d ? TGSI_TEXTURE_3D : TGSI_TEXTURE_2D, addr[0], sampler); |
ureg_TEX(shader, m[1], resource3d ? TGSI_TEXTURE_3D : TGSI_TEXTURE_2D, addr[1], sampler); |
} |
|
static void |
matrix_mul(struct ureg_program *shader, struct ureg_dst dst, struct ureg_dst l[2], struct ureg_dst r[2]) |
{ |
struct ureg_dst tmp; |
|
tmp = ureg_DECL_temporary(shader); |
|
/* |
* tmp.xy = dot4(m[0][0..1], m[1][0..1]) |
* dst = tmp.x + tmp.y |
*/ |
ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_X), ureg_src(l[0]), ureg_src(r[0])); |
ureg_DP4(shader, ureg_writemask(tmp, TGSI_WRITEMASK_Y), ureg_src(l[1]), ureg_src(r[1])); |
ureg_ADD(shader, dst, |
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_X), |
ureg_scalar(ureg_src(tmp), TGSI_SWIZZLE_Y)); |
|
ureg_release_temporary(shader, tmp); |
} |
|
static void * |
create_mismatch_vert_shader(struct vl_idct *idct) |
{ |
struct ureg_program *shader; |
struct ureg_src vpos; |
struct ureg_src scale; |
struct ureg_dst t_tex; |
struct ureg_dst o_vpos, o_addr[2]; |
|
shader = ureg_create(TGSI_PROCESSOR_VERTEX); |
if (!shader) |
return NULL; |
|
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); |
|
t_tex = ureg_DECL_temporary(shader); |
|
o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); |
|
o_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0); |
o_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1); |
|
/* |
* scale = (VL_BLOCK_WIDTH, VL_BLOCK_HEIGHT) / (dst.width, dst.height) |
* |
* t_vpos = vpos + 7 / VL_BLOCK_WIDTH |
* o_vpos.xy = t_vpos * scale |
* |
* o_addr = calc_addr(...) |
* |
*/ |
|
scale = ureg_imm2f(shader, |
(float)VL_BLOCK_WIDTH / idct->buffer_width, |
(float)VL_BLOCK_HEIGHT / idct->buffer_height); |
|
ureg_MAD(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), vpos, scale, scale); |
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f)); |
|
ureg_MUL(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), vpos, scale); |
calc_addr(shader, o_addr, ureg_src(t_tex), ureg_src(t_tex), false, false, idct->buffer_width / 4); |
|
ureg_release_temporary(shader, t_tex); |
|
ureg_END(shader); |
|
return ureg_create_shader_and_destroy(shader, idct->pipe); |
} |
|
static void * |
create_mismatch_frag_shader(struct vl_idct *idct) |
{ |
struct ureg_program *shader; |
|
struct ureg_src addr[2]; |
|
struct ureg_dst m[8][2]; |
struct ureg_dst fragment; |
|
unsigned i; |
|
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); |
if (!shader) |
return NULL; |
|
addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR); |
addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR); |
|
fragment = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, 0); |
|
for (i = 0; i < 8; ++i) { |
m[i][0] = ureg_DECL_temporary(shader); |
m[i][1] = ureg_DECL_temporary(shader); |
} |
|
for (i = 0; i < 8; ++i) { |
increment_addr(shader, m[i], addr, false, false, i, idct->buffer_height); |
} |
|
for (i = 0; i < 8; ++i) { |
struct ureg_src s_addr[2]; |
s_addr[0] = ureg_src(m[i][0]); |
s_addr[1] = ureg_src(m[i][1]); |
fetch_four(shader, m[i], s_addr, ureg_DECL_sampler(shader, 0), false); |
} |
|
for (i = 1; i < 8; ++i) { |
ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[i][0])); |
ureg_ADD(shader, m[0][1], ureg_src(m[0][1]), ureg_src(m[i][1])); |
} |
|
ureg_ADD(shader, m[0][0], ureg_src(m[0][0]), ureg_src(m[0][1])); |
ureg_DP4(shader, m[0][0], ureg_abs(ureg_src(m[0][0])), ureg_imm1f(shader, 1 << 14)); |
|
ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_abs(ureg_src(m[7][1])), ureg_imm1f(shader, 1 << 14)); |
ureg_FRC(shader, m[0][0], ureg_src(m[0][0])); |
ureg_SGT(shader, m[0][0], ureg_imm1f(shader, 0.5f), ureg_abs(ureg_src(m[0][0]))); |
|
ureg_CMP(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_negate(ureg_src(m[0][0])), |
ureg_imm1f(shader, 1.0f / (1 << 15)), ureg_imm1f(shader, -1.0f / (1 << 15))); |
ureg_MUL(shader, ureg_writemask(m[0][0], TGSI_WRITEMASK_W), ureg_src(m[0][0]), |
ureg_scalar(ureg_src(m[0][0]), TGSI_SWIZZLE_X)); |
|
ureg_MOV(shader, ureg_writemask(fragment, TGSI_WRITEMASK_XYZ), ureg_src(m[7][1])); |
ureg_ADD(shader, ureg_writemask(fragment, TGSI_WRITEMASK_W), ureg_src(m[0][0]), ureg_src(m[7][1])); |
|
for (i = 0; i < 8; ++i) { |
ureg_release_temporary(shader, m[i][0]); |
ureg_release_temporary(shader, m[i][1]); |
} |
|
ureg_END(shader); |
|
return ureg_create_shader_and_destroy(shader, idct->pipe); |
} |
|
static void * |
create_stage1_vert_shader(struct vl_idct *idct) |
{ |
struct ureg_program *shader; |
struct ureg_src vrect, vpos; |
struct ureg_src scale; |
struct ureg_dst t_tex, t_start; |
struct ureg_dst o_vpos, o_l_addr[2], o_r_addr[2]; |
|
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_tex = ureg_DECL_temporary(shader); |
t_start = ureg_DECL_temporary(shader); |
|
o_vpos = ureg_DECL_output(shader, TGSI_SEMANTIC_POSITION, VS_O_VPOS); |
|
o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0); |
o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1); |
|
o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR0); |
o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR1); |
|
/* |
* scale = (VL_BLOCK_WIDTH, VL_BLOCK_HEIGHT) / (dst.width, dst.height) |
* |
* t_vpos = vpos + vrect |
* o_vpos.xy = t_vpos * scale |
* o_vpos.zw = vpos |
* |
* o_l_addr = calc_addr(...) |
* o_r_addr = calc_addr(...) |
* |
*/ |
|
scale = ureg_imm2f(shader, |
(float)VL_BLOCK_WIDTH / idct->buffer_width, |
(float)VL_BLOCK_HEIGHT / idct->buffer_height); |
|
ureg_ADD(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), vpos, vrect); |
ureg_MUL(shader, ureg_writemask(t_tex, TGSI_WRITEMASK_XY), ureg_src(t_tex), scale); |
|
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_XY), ureg_src(t_tex)); |
ureg_MOV(shader, ureg_writemask(o_vpos, TGSI_WRITEMASK_ZW), ureg_imm1f(shader, 1.0f)); |
|
ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale); |
|
calc_addr(shader, o_l_addr, ureg_src(t_tex), ureg_src(t_start), false, false, idct->buffer_width / 4); |
calc_addr(shader, o_r_addr, vrect, ureg_imm1f(shader, 0.0f), true, true, VL_BLOCK_WIDTH / 4); |
|
ureg_release_temporary(shader, t_tex); |
ureg_release_temporary(shader, t_start); |
|
ureg_END(shader); |
|
return ureg_create_shader_and_destroy(shader, idct->pipe); |
} |
|
static void * |
create_stage1_frag_shader(struct vl_idct *idct) |
{ |
struct ureg_program *shader; |
|
struct ureg_src l_addr[2], r_addr[2]; |
|
struct ureg_dst l[4][2], r[2]; |
struct ureg_dst *fragment; |
|
int i, j; |
|
shader = ureg_create(TGSI_PROCESSOR_FRAGMENT); |
if (!shader) |
return NULL; |
|
fragment = MALLOC(idct->nr_of_render_targets * sizeof(struct ureg_dst)); |
|
l_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR); |
l_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR); |
|
r_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR0, TGSI_INTERPOLATE_LINEAR); |
r_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, VS_O_R_ADDR1, TGSI_INTERPOLATE_LINEAR); |
|
for (i = 0; i < idct->nr_of_render_targets; ++i) |
fragment[i] = ureg_DECL_output(shader, TGSI_SEMANTIC_COLOR, i); |
|
for (i = 0; i < 4; ++i) { |
l[i][0] = ureg_DECL_temporary(shader); |
l[i][1] = ureg_DECL_temporary(shader); |
} |
|
r[0] = ureg_DECL_temporary(shader); |
r[1] = ureg_DECL_temporary(shader); |
|
for (i = 0; i < 4; ++i) { |
increment_addr(shader, l[i], l_addr, false, false, i - 2, idct->buffer_height); |
} |
|
for (i = 0; i < 4; ++i) { |
struct ureg_src s_addr[2]; |
s_addr[0] = ureg_src(l[i][0]); |
s_addr[1] = ureg_src(l[i][1]); |
fetch_four(shader, l[i], s_addr, ureg_DECL_sampler(shader, 0), false); |
} |
|
for (i = 0; i < idct->nr_of_render_targets; ++i) { |
struct ureg_src s_addr[2]; |
|
increment_addr(shader, r, r_addr, true, true, i - (signed)idct->nr_of_render_targets / 2, VL_BLOCK_HEIGHT); |
|
s_addr[0] = ureg_src(r[0]); |
s_addr[1] = ureg_src(r[1]); |
fetch_four(shader, r, s_addr, ureg_DECL_sampler(shader, 1), false); |
|
for (j = 0; j < 4; ++j) { |
matrix_mul(shader, ureg_writemask(fragment[i], TGSI_WRITEMASK_X << j), l[j], r); |
} |
} |
|
for (i = 0; i < 4; ++i) { |
ureg_release_temporary(shader, l[i][0]); |
ureg_release_temporary(shader, l[i][1]); |
} |
ureg_release_temporary(shader, r[0]); |
ureg_release_temporary(shader, r[1]); |
|
ureg_END(shader); |
|
FREE(fragment); |
|
return ureg_create_shader_and_destroy(shader, idct->pipe); |
} |
|
void |
vl_idct_stage2_vert_shader(struct vl_idct *idct, struct ureg_program *shader, |
unsigned first_output, struct ureg_dst tex) |
{ |
struct ureg_src vrect, vpos; |
struct ureg_src scale; |
struct ureg_dst t_start; |
struct ureg_dst o_l_addr[2], o_r_addr[2]; |
|
vrect = ureg_DECL_vs_input(shader, VS_I_RECT); |
vpos = ureg_DECL_vs_input(shader, VS_I_VPOS); |
|
t_start = ureg_DECL_temporary(shader); |
|
--first_output; |
|
o_l_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR0); |
o_l_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_L_ADDR1); |
|
o_r_addr[0] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR0); |
o_r_addr[1] = ureg_DECL_output(shader, TGSI_SEMANTIC_GENERIC, first_output + VS_O_R_ADDR1); |
|
scale = ureg_imm2f(shader, |
(float)VL_BLOCK_WIDTH / idct->buffer_width, |
(float)VL_BLOCK_HEIGHT / idct->buffer_height); |
|
ureg_MUL(shader, ureg_writemask(tex, TGSI_WRITEMASK_Z), |
ureg_scalar(vrect, TGSI_SWIZZLE_X), |
ureg_imm1f(shader, VL_BLOCK_WIDTH / idct->nr_of_render_targets)); |
ureg_MUL(shader, ureg_writemask(t_start, TGSI_WRITEMASK_XY), vpos, scale); |
|
calc_addr(shader, o_l_addr, vrect, ureg_imm1f(shader, 0.0f), false, false, VL_BLOCK_WIDTH / 4); |
calc_addr(shader, o_r_addr, ureg_src(tex), ureg_src(t_start), true, false, idct->buffer_height / 4); |
|
ureg_MOV(shader, ureg_writemask(o_r_addr[0], TGSI_WRITEMASK_Z), ureg_src(tex)); |
ureg_MOV(shader, ureg_writemask(o_r_addr[1], TGSI_WRITEMASK_Z), ureg_src(tex)); |
} |
|
void |
vl_idct_stage2_frag_shader(struct vl_idct *idct, struct ureg_program *shader, |
unsigned first_input, struct ureg_dst fragment) |
{ |
struct ureg_src l_addr[2], r_addr[2]; |
|
struct ureg_dst l[2], r[2]; |
|
--first_input; |
|
l_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_L_ADDR0, TGSI_INTERPOLATE_LINEAR); |
l_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_L_ADDR1, TGSI_INTERPOLATE_LINEAR); |
|
r_addr[0] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_R_ADDR0, TGSI_INTERPOLATE_LINEAR); |
r_addr[1] = ureg_DECL_fs_input(shader, TGSI_SEMANTIC_GENERIC, first_input + VS_O_R_ADDR1, TGSI_INTERPOLATE_LINEAR); |
|
l[0] = ureg_DECL_temporary(shader); |
l[1] = ureg_DECL_temporary(shader); |
r[0] = ureg_DECL_temporary(shader); |
r[1] = ureg_DECL_temporary(shader); |
|
fetch_four(shader, l, l_addr, ureg_DECL_sampler(shader, 1), false); |
fetch_four(shader, r, r_addr, ureg_DECL_sampler(shader, 0), true); |
|
matrix_mul(shader, fragment, l, r); |
|
ureg_release_temporary(shader, l[0]); |
ureg_release_temporary(shader, l[1]); |
ureg_release_temporary(shader, r[0]); |
ureg_release_temporary(shader, r[1]); |
} |
|
static bool |
init_shaders(struct vl_idct *idct) |
{ |
idct->vs_mismatch = create_mismatch_vert_shader(idct); |
if (!idct->vs_mismatch) |
goto error_vs_mismatch; |
|
idct->fs_mismatch = create_mismatch_frag_shader(idct); |
if (!idct->fs_mismatch) |
goto error_fs_mismatch; |
|
idct->vs = create_stage1_vert_shader(idct); |
if (!idct->vs) |
goto error_vs; |
|
idct->fs = create_stage1_frag_shader(idct); |
if (!idct->fs) |
goto error_fs; |
|
return true; |
|
error_fs: |
idct->pipe->delete_vs_state(idct->pipe, idct->vs); |
|
error_vs: |
idct->pipe->delete_vs_state(idct->pipe, idct->vs_mismatch); |
|
error_fs_mismatch: |
idct->pipe->delete_vs_state(idct->pipe, idct->fs); |
|
error_vs_mismatch: |
return false; |
} |
|
static void |
cleanup_shaders(struct vl_idct *idct) |
{ |
idct->pipe->delete_vs_state(idct->pipe, idct->vs_mismatch); |
idct->pipe->delete_fs_state(idct->pipe, idct->fs_mismatch); |
idct->pipe->delete_vs_state(idct->pipe, idct->vs); |
idct->pipe->delete_fs_state(idct->pipe, idct->fs); |
} |
|
static bool |
init_state(struct vl_idct *idct) |
{ |
struct pipe_blend_state blend; |
struct pipe_rasterizer_state rs_state; |
struct pipe_sampler_state sampler; |
unsigned i; |
|
assert(idct); |
|
memset(&rs_state, 0, sizeof(rs_state)); |
rs_state.point_size = 1; |
rs_state.half_pixel_center = true; |
rs_state.bottom_edge_rule = true; |
rs_state.depth_clip = 1; |
idct->rs_state = idct->pipe->create_rasterizer_state(idct->pipe, &rs_state); |
if (!idct->rs_state) |
goto error_rs_state; |
|
memset(&blend, 0, sizeof blend); |
|
blend.independent_blend_enable = 0; |
blend.rt[0].blend_enable = 0; |
blend.rt[0].rgb_func = PIPE_BLEND_ADD; |
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE; |
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ONE; |
blend.rt[0].alpha_func = PIPE_BLEND_ADD; |
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE; |
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE; |
blend.logicop_enable = 0; |
blend.logicop_func = PIPE_LOGICOP_CLEAR; |
/* Needed to allow color writes to FB, even if blending disabled */ |
blend.rt[0].colormask = PIPE_MASK_RGBA; |
blend.dither = 0; |
idct->blend = idct->pipe->create_blend_state(idct->pipe, &blend); |
if (!idct->blend) |
goto error_blend; |
|
for (i = 0; i < 2; ++i) { |
memset(&sampler, 0, sizeof(sampler)); |
sampler.wrap_s = PIPE_TEX_WRAP_REPEAT; |
sampler.wrap_t = PIPE_TEX_WRAP_REPEAT; |
sampler.wrap_r = PIPE_TEX_WRAP_REPEAT; |
sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST; |
sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE; |
sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST; |
sampler.compare_mode = PIPE_TEX_COMPARE_NONE; |
sampler.compare_func = PIPE_FUNC_ALWAYS; |
sampler.normalized_coords = 1; |
idct->samplers[i] = idct->pipe->create_sampler_state(idct->pipe, &sampler); |
if (!idct->samplers[i]) |
goto error_samplers; |
} |
|
return true; |
|
error_samplers: |
for (i = 0; i < 2; ++i) |
if (idct->samplers[i]) |
idct->pipe->delete_sampler_state(idct->pipe, idct->samplers[i]); |
|
idct->pipe->delete_rasterizer_state(idct->pipe, idct->rs_state); |
|
error_blend: |
idct->pipe->delete_blend_state(idct->pipe, idct->blend); |
|
error_rs_state: |
return false; |
} |
|
static void |
cleanup_state(struct vl_idct *idct) |
{ |
unsigned i; |
|
for (i = 0; i < 2; ++i) |
idct->pipe->delete_sampler_state(idct->pipe, idct->samplers[i]); |
|
idct->pipe->delete_rasterizer_state(idct->pipe, idct->rs_state); |
idct->pipe->delete_blend_state(idct->pipe, idct->blend); |
} |
|
static bool |
init_source(struct vl_idct *idct, struct vl_idct_buffer *buffer) |
{ |
struct pipe_resource *tex; |
struct pipe_surface surf_templ; |
|
assert(idct && buffer); |
|
tex = buffer->sampler_views.individual.source->texture; |
|
buffer->fb_state_mismatch.width = tex->width0; |
buffer->fb_state_mismatch.height = tex->height0; |
buffer->fb_state_mismatch.nr_cbufs = 1; |
|
memset(&surf_templ, 0, sizeof(surf_templ)); |
surf_templ.format = tex->format; |
surf_templ.u.tex.first_layer = 0; |
surf_templ.u.tex.last_layer = 0; |
buffer->fb_state_mismatch.cbufs[0] = idct->pipe->create_surface(idct->pipe, tex, &surf_templ); |
|
buffer->viewport_mismatch.scale[0] = tex->width0; |
buffer->viewport_mismatch.scale[1] = tex->height0; |
buffer->viewport_mismatch.scale[2] = 1; |
buffer->viewport_mismatch.scale[3] = 1; |
|
return true; |
} |
|
static void |
cleanup_source(struct vl_idct_buffer *buffer) |
{ |
assert(buffer); |
|
pipe_surface_reference(&buffer->fb_state_mismatch.cbufs[0], NULL); |
|
pipe_sampler_view_reference(&buffer->sampler_views.individual.source, NULL); |
} |
|
static bool |
init_intermediate(struct vl_idct *idct, struct vl_idct_buffer *buffer) |
{ |
struct pipe_resource *tex; |
struct pipe_surface surf_templ; |
unsigned i; |
|
assert(idct && buffer); |
|
tex = buffer->sampler_views.individual.intermediate->texture; |
|
buffer->fb_state.width = tex->width0; |
buffer->fb_state.height = tex->height0; |
buffer->fb_state.nr_cbufs = idct->nr_of_render_targets; |
for(i = 0; i < idct->nr_of_render_targets; ++i) { |
memset(&surf_templ, 0, sizeof(surf_templ)); |
surf_templ.format = tex->format; |
surf_templ.u.tex.first_layer = i; |
surf_templ.u.tex.last_layer = i; |
buffer->fb_state.cbufs[i] = idct->pipe->create_surface( |
idct->pipe, tex, &surf_templ); |
|
if (!buffer->fb_state.cbufs[i]) |
goto error_surfaces; |
} |
|
buffer->viewport.scale[0] = tex->width0; |
buffer->viewport.scale[1] = tex->height0; |
buffer->viewport.scale[2] = 1; |
buffer->viewport.scale[3] = 1; |
|
return true; |
|
error_surfaces: |
for(i = 0; i < idct->nr_of_render_targets; ++i) |
pipe_surface_reference(&buffer->fb_state.cbufs[i], NULL); |
|
return false; |
} |
|
static void |
cleanup_intermediate(struct vl_idct_buffer *buffer) |
{ |
unsigned i; |
|
assert(buffer); |
|
for(i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) |
pipe_surface_reference(&buffer->fb_state.cbufs[i], NULL); |
|
pipe_sampler_view_reference(&buffer->sampler_views.individual.intermediate, NULL); |
} |
|
struct pipe_sampler_view * |
vl_idct_upload_matrix(struct pipe_context *pipe, float scale) |
{ |
struct pipe_resource tex_templ, *matrix; |
struct pipe_sampler_view sv_templ, *sv; |
struct pipe_transfer *buf_transfer; |
unsigned i, j, pitch; |
float *f; |
|
struct pipe_box rect = |
{ |
0, 0, 0, |
VL_BLOCK_WIDTH / 4, |
VL_BLOCK_HEIGHT, |
1 |
}; |
|
assert(pipe); |
|
memset(&tex_templ, 0, sizeof(tex_templ)); |
tex_templ.target = PIPE_TEXTURE_2D; |
tex_templ.format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
tex_templ.last_level = 0; |
tex_templ.width0 = 2; |
tex_templ.height0 = 8; |
tex_templ.depth0 = 1; |
tex_templ.array_size = 1; |
tex_templ.usage = PIPE_USAGE_IMMUTABLE; |
tex_templ.bind = PIPE_BIND_SAMPLER_VIEW; |
tex_templ.flags = 0; |
|
matrix = pipe->screen->resource_create(pipe->screen, &tex_templ); |
if (!matrix) |
goto error_matrix; |
|
f = pipe->transfer_map(pipe, matrix, 0, |
PIPE_TRANSFER_WRITE | |
PIPE_TRANSFER_DISCARD_RANGE, |
&rect, &buf_transfer); |
if (!f) |
goto error_map; |
|
pitch = buf_transfer->stride / sizeof(float); |
|
for(i = 0; i < VL_BLOCK_HEIGHT; ++i) |
for(j = 0; j < VL_BLOCK_WIDTH; ++j) |
// transpose and scale |
f[i * pitch + j] = ((const float (*)[8])const_matrix)[j][i] * scale; |
|
pipe->transfer_unmap(pipe, buf_transfer); |
|
memset(&sv_templ, 0, sizeof(sv_templ)); |
u_sampler_view_default_template(&sv_templ, matrix, matrix->format); |
sv = pipe->create_sampler_view(pipe, matrix, &sv_templ); |
pipe_resource_reference(&matrix, NULL); |
if (!sv) |
goto error_map; |
|
return sv; |
|
error_map: |
pipe_resource_reference(&matrix, NULL); |
|
error_matrix: |
return NULL; |
} |
|
bool vl_idct_init(struct vl_idct *idct, struct pipe_context *pipe, |
unsigned buffer_width, unsigned buffer_height, |
unsigned nr_of_render_targets, |
struct pipe_sampler_view *matrix, |
struct pipe_sampler_view *transpose) |
{ |
assert(idct && pipe); |
assert(matrix && transpose); |
|
idct->pipe = pipe; |
idct->buffer_width = buffer_width; |
idct->buffer_height = buffer_height; |
idct->nr_of_render_targets = nr_of_render_targets; |
|
pipe_sampler_view_reference(&idct->matrix, matrix); |
pipe_sampler_view_reference(&idct->transpose, transpose); |
|
if(!init_shaders(idct)) |
return false; |
|
if(!init_state(idct)) { |
cleanup_shaders(idct); |
return false; |
} |
|
return true; |
} |
|
void |
vl_idct_cleanup(struct vl_idct *idct) |
{ |
cleanup_shaders(idct); |
cleanup_state(idct); |
|
pipe_sampler_view_reference(&idct->matrix, NULL); |
pipe_sampler_view_reference(&idct->transpose, NULL); |
} |
|
bool |
vl_idct_init_buffer(struct vl_idct *idct, struct vl_idct_buffer *buffer, |
struct pipe_sampler_view *source, |
struct pipe_sampler_view *intermediate) |
{ |
assert(buffer && idct); |
assert(source && intermediate); |
|
memset(buffer, 0, sizeof(struct vl_idct_buffer)); |
|
pipe_sampler_view_reference(&buffer->sampler_views.individual.matrix, idct->matrix); |
pipe_sampler_view_reference(&buffer->sampler_views.individual.source, source); |
pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, idct->transpose); |
pipe_sampler_view_reference(&buffer->sampler_views.individual.intermediate, intermediate); |
|
if (!init_source(idct, buffer)) |
return false; |
|
if (!init_intermediate(idct, buffer)) |
return false; |
|
return true; |
} |
|
void |
vl_idct_cleanup_buffer(struct vl_idct_buffer *buffer) |
{ |
assert(buffer); |
|
cleanup_source(buffer); |
cleanup_intermediate(buffer); |
|
pipe_sampler_view_reference(&buffer->sampler_views.individual.matrix, NULL); |
pipe_sampler_view_reference(&buffer->sampler_views.individual.transpose, NULL); |
} |
|
void |
vl_idct_flush(struct vl_idct *idct, struct vl_idct_buffer *buffer, unsigned num_instances) |
{ |
assert(buffer); |
|
idct->pipe->bind_rasterizer_state(idct->pipe, idct->rs_state); |
idct->pipe->bind_blend_state(idct->pipe, idct->blend); |
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers); |
idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[0]); |
|
/* mismatch control */ |
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state_mismatch); |
idct->pipe->set_viewport_states(idct->pipe, 0, 1, &buffer->viewport_mismatch); |
idct->pipe->bind_vs_state(idct->pipe, idct->vs_mismatch); |
idct->pipe->bind_fs_state(idct->pipe, idct->fs_mismatch); |
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_POINTS, 0, 1, 0, num_instances); |
|
/* first stage */ |
idct->pipe->set_framebuffer_state(idct->pipe, &buffer->fb_state); |
idct->pipe->set_viewport_states(idct->pipe, 0, 1, &buffer->viewport); |
idct->pipe->bind_vs_state(idct->pipe, idct->vs); |
idct->pipe->bind_fs_state(idct->pipe, idct->fs); |
util_draw_arrays_instanced(idct->pipe, PIPE_PRIM_QUADS, 0, 4, 0, num_instances); |
} |
|
void |
vl_idct_prepare_stage2(struct vl_idct *idct, struct vl_idct_buffer *buffer) |
{ |
assert(buffer); |
|
/* second stage */ |
idct->pipe->bind_rasterizer_state(idct->pipe, idct->rs_state); |
idct->pipe->bind_fragment_sampler_states(idct->pipe, 2, idct->samplers); |
idct->pipe->set_fragment_sampler_views(idct->pipe, 2, buffer->sampler_views.stage[1]); |
} |
|