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radeon: add software untiling functions

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This commit is contained in:
Maciej Cencora 2010-02-06 13:46:17 +01:00
parent 65faa27aa6
commit 5fefca5dba
2 changed files with 225 additions and 0 deletions
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221
src/mesa/drivers/dri/radeon/radeon_tile.c
View file

@ -245,6 +245,227 @@ void tile_image(const void * src, unsigned src_pitch,
}
}
static void micro_untile_8_x_4_8bit(const void * const src, unsigned src_pitch,
void * const dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned row; /* current destination row */
unsigned col; /* current destination column */
unsigned k; /* current tile number */
const unsigned tile_width = 8, tile_height = 4;
const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
assert(src_pitch % tile_width == 0);
k = 0;
for (row = 0; row < height; row += tile_height)
{
for (col = 0; col < width; col += tile_width, ++k)
{
uint8_t *src2 = (uint8_t *)src + row * src_pitch +
(k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint8_t);
uint8_t *dst2 = (uint8_t *)dst + dst_pitch * row + col;
unsigned j;
for (j = 0; j < MIN2(tile_height, height - row); ++j)
{
unsigned columns = MIN2(tile_width, width - col);
memcpy(dst2, src2, columns * sizeof(uint8_t));
dst2 += dst_pitch;
src2 += tile_width;
}
}
}
}
static void micro_untile_8_x_2_16bit(const void * const src, unsigned src_pitch,
void * const dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned row; /* current destination row */
unsigned col; /* current destination column */
unsigned k; /* current tile number */
const unsigned tile_width = 8, tile_height = 2;
const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
assert(src_pitch % tile_width == 0);
k = 0;
for (row = 0; row < height; row += tile_height)
{
for (col = 0; col < width; col += tile_width, ++k)
{
uint16_t *src2 = (uint16_t *)src + row * src_pitch +
(k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col;
unsigned j;
for (j = 0; j < MIN2(tile_height, height - row); ++j)
{
unsigned columns = MIN2(tile_width, width - col);
memcpy(dst2, src2, columns * sizeof(uint16_t));
dst2 += dst_pitch;
src2 += tile_width;
}
}
}
}
static void micro_untile_4_x_4_16bit(const void * const src, unsigned src_pitch,
void * const dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned row; /* current destination row */
unsigned col; /* current destination column */
unsigned k; /* current tile number */
const unsigned tile_width = 4, tile_height = 4;
const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
assert(src_pitch % tile_width == 0);
k = 0;
for (row = 0; row < height; row += tile_height)
{
for (col = 0; col < width; col += tile_width, ++k)
{
uint16_t *src2 = (uint16_t *)src + row * src_pitch +
(k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t);
uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col;
unsigned j;
for (j = 0; j < MIN2(tile_height, height - row); ++j)
{
unsigned columns = MIN2(tile_width, width - col);
memcpy(dst2, src2, columns * sizeof(uint16_t));
dst2 += dst_pitch;
src2 += tile_width;
}
}
}
}
static void micro_untile_4_x_2_32bit(const void * const src, unsigned src_pitch,
void * const dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned row; /* current destination row */
unsigned col; /* current destination column */
unsigned k; /* current tile number */
const unsigned tile_width = 4, tile_height = 2;
const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
assert(src_pitch % tile_width == 0);
k = 0;
for (row = 0; row < height; row += tile_height)
{
for (col = 0; col < width; col += tile_width, ++k)
{
uint32_t *src2 = (uint32_t *)src + row * src_pitch +
(k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint32_t);
uint32_t *dst2 = (uint32_t *)dst + dst_pitch * row + col;
unsigned j;
for (j = 0; j < MIN2(tile_height, height - row); ++j)
{
unsigned columns = MIN2(tile_width, width - col);
memcpy(dst2, src2, columns * sizeof(uint32_t));
dst2 += dst_pitch;
src2 += tile_width;
}
}
}
}
static void micro_untile_2_x_2_64bit(const void * const src, unsigned src_pitch,
void * const dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned row; /* current destination row */
unsigned col; /* current destination column */
unsigned k; /* current tile number */
const unsigned tile_width = 2, tile_height = 2;
const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width;
assert(src_pitch % tile_width == 0);
k = 0;
for (row = 0; row < height; row += tile_height)
{
for (col = 0; col < width; col += tile_width, ++k)
{
uint64_t *src2 = (uint64_t *)src + row * src_pitch +
(k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint64_t);
uint64_t *dst2 = (uint64_t *)dst + dst_pitch * row + col;
unsigned j;
for (j = 0; j < MIN2(tile_height, height - row); ++j)
{
unsigned columns = MIN2(tile_width, width - col);
memcpy(dst2, src2, columns * sizeof(uint64_t));
dst2 += dst_pitch;
src2 += tile_width;
}
}
}
}
static void micro_untile_1_x_1_128bit(const void * src, unsigned src_pitch,
void * dst, unsigned dst_pitch,
unsigned width, unsigned height)
{
unsigned i, j;
const unsigned elem_size = 16; /* sizeof(uint128_t) */
for (j = 0; j < height; ++j)
{
for (i = 0; i < width; ++i)
{
memcpy(dst, src, width * elem_size);
dst += dst_pitch * elem_size;
src += src_pitch * elem_size;
}
}
}
void untile_image(const void * src, unsigned src_pitch,
void *dst, unsigned dst_pitch,
gl_format format, unsigned width, unsigned height)
{
assert(src_pitch >= width);
assert(dst_pitch >= width);
assert(src_pitch * _mesa_get_format_bytes(format) % MICRO_TILE_SIZE == 0);
switch (_mesa_get_format_bytes(format))
{
case 16:
micro_untile_1_x_1_128bit(src, src_pitch, dst, dst_pitch, width, height);
break;
case 8:
micro_untile_2_x_2_64bit(src, src_pitch, dst, dst_pitch, width, height);
break;
case 4:
micro_untile_4_x_2_32bit(src, src_pitch, dst, dst_pitch, width, height);
break;
case 2:
if (_mesa_get_format_bits(format, GL_DEPTH_BITS))
{
micro_untile_4_x_4_16bit(src, src_pitch, dst, dst_pitch, width, height);
}
else
{
micro_untile_8_x_2_16bit(src, src_pitch, dst, dst_pitch, width, height);
}
break;
case 1:
micro_untile_8_x_4_8bit(src, src_pitch, dst, dst_pitch, width, height);
break;
default:
assert(0);
break;
}
}
void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height)
{
switch (_mesa_get_format_bytes(format))

4
src/mesa/drivers/dri/radeon/radeon_tile.h
View file

@ -31,4 +31,8 @@ void tile_image(const void * src, unsigned src_pitch,
void *dst, unsigned dst_pitch,
gl_format format, unsigned width, unsigned height);
void untile_image(const void * src, unsigned src_pitch,
void *dst, unsigned dst_pitch,
gl_format format, unsigned width, unsigned height);
void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height);