/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Copyright 2010 Marek Olšák <maraeo@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "r300_context.h"
#include "r300_texture.h"
#include "r300_screen.h"
+#include "r300_state_inlines.h"
#include "radeon_winsys.h"
{{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
};
+/* Translate a pipe_format into a useful texture format for sampling.
+ *
+ * Some special formats are translated directly using R300_EASY_TX_FORMAT,
+ * but the majority of them is translated in a generic way, automatically
+ * supporting all the formats hw can support.
+ *
+ * R300_EASY_TX_FORMAT swizzles the texture.
+ * Note the signature of R300_EASY_TX_FORMAT:
+ * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
+ *
+ * The FORMAT specifies how the texture sampler will treat the texture, and
+ * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
+static uint32_t r300_translate_texformat(enum pipe_format format)
+{
+ uint32_t result = 0;
+ const struct util_format_description *desc;
+ unsigned components = 0, i;
+ boolean uniform = TRUE;
+ const uint32_t swizzle_shift[4] = {
+ R300_TX_FORMAT_R_SHIFT,
+ R300_TX_FORMAT_G_SHIFT,
+ R300_TX_FORMAT_B_SHIFT,
+ R300_TX_FORMAT_A_SHIFT
+ };
+ const uint32_t swizzle[4] = {
+ R300_TX_FORMAT_X,
+ R300_TX_FORMAT_Y,
+ R300_TX_FORMAT_Z,
+ R300_TX_FORMAT_W
+ };
+ const uint32_t sign_bit[4] = {
+ R300_TX_FORMAT_SIGNED_X,
+ R300_TX_FORMAT_SIGNED_Y,
+ R300_TX_FORMAT_SIGNED_Z,
+ R300_TX_FORMAT_SIGNED_W,
+ };
+
+ desc = util_format_description(format);
+
+ /* Colorspace (return non-RGB formats directly). */
+ switch (desc->colorspace) {
+ /* Depth stencil formats. */
+ case UTIL_FORMAT_COLORSPACE_ZS:
+ switch (format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, X, X16);
+ case PIPE_FORMAT_X8Z24_UNORM:
+ case PIPE_FORMAT_S8Z24_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
+ default:
+ return ~0; /* Unsupported. */
+ }
+
+ /* YUV formats. */
+ case UTIL_FORMAT_COLORSPACE_YUV:
+ result |= R300_TX_FORMAT_YUV_TO_RGB;
+
+ switch (format) {
+ case PIPE_FORMAT_UYVY:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
+ case PIPE_FORMAT_YUYV:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
+ default:
+ return ~0; /* Unsupported/unknown. */
+ }
+
+ /* Add gamma correction. */
+ case UTIL_FORMAT_COLORSPACE_SRGB:
+ result |= R300_TX_FORMAT_GAMMA;
+ break;
+
+ default:;
+ }
+
+ /* Add swizzle. */
+ for (i = 0; i < 4; i++) {
+ switch (desc->swizzle[i]) {
+ case UTIL_FORMAT_SWIZZLE_X:
+ case UTIL_FORMAT_SWIZZLE_NONE:
+ result |= swizzle[0] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_Y:
+ result |= swizzle[1] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_Z:
+ result |= swizzle[2] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_W:
+ result |= swizzle[3] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_0:
+ result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_1:
+ result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
+ break;
+ default:
+ return ~0; /* Unsupported. */
+ }
+ }
+
+ /* Compressed formats. */
+ if (desc->layout == UTIL_FORMAT_LAYOUT_COMPRESSED) {
+ switch (format) {
+ case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_RGBA:
+ case PIPE_FORMAT_DXT1_SRGB:
+ case PIPE_FORMAT_DXT1_SRGBA:
+ return R300_TX_FORMAT_DXT1 | result;
+ case PIPE_FORMAT_DXT3_RGBA:
+ case PIPE_FORMAT_DXT3_SRGBA:
+ return R300_TX_FORMAT_DXT3 | result;
+ case PIPE_FORMAT_DXT5_RGBA:
+ case PIPE_FORMAT_DXT5_SRGBA:
+ return R300_TX_FORMAT_DXT5 | result;
+ default:
+ return ~0; /* Unsupported/unknown. */
+ }
+ }
+
+ /* Get the number of components. */
+ for (i = 0; i < 4; i++) {
+ if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
+ ++components;
+ }
+ }
+
+ /* Add sign. */
+ for (i = 0; i < components; i++) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
+ result |= sign_bit[i];
+ }
+ }
+
+ /* See whether the components are of the same size. */
+ for (i = 1; i < components; i++) {
+ uniform = uniform && desc->channel[0].size == desc->channel[i].size;
+ }
+
+ /* Non-uniform formats. */
+ if (!uniform) {
+ switch (components) {
+ case 3:
+ if (desc->channel[0].size == 5 &&
+ desc->channel[1].size == 6 &&
+ desc->channel[2].size == 5) {
+ return R300_TX_FORMAT_Z5Y6X5 | result;
+ }
+ if (desc->channel[0].size == 5 &&
+ desc->channel[1].size == 5 &&
+ desc->channel[2].size == 6) {
+ return R300_TX_FORMAT_Z6Y5X5 | result;
+ }
+ return ~0; /* Unsupported/unknown. */
+
+ case 4:
+ if (desc->channel[0].size == 5 &&
+ desc->channel[1].size == 5 &&
+ desc->channel[2].size == 5 &&
+ desc->channel[3].size == 1) {
+ return R300_TX_FORMAT_W1Z5Y5X5 | result;
+ }
+ if (desc->channel[0].size == 10 &&
+ desc->channel[1].size == 10 &&
+ desc->channel[2].size == 10 &&
+ desc->channel[3].size == 2) {
+ return R300_TX_FORMAT_W2Z10Y10X10 | result;
+ }
+ }
+ return ~0; /* Unsupported/unknown. */
+ }
+
+ /* And finally, uniform formats. */
+ switch (desc->channel[0].type) {
+ case UTIL_FORMAT_TYPE_UNSIGNED:
+ case UTIL_FORMAT_TYPE_SIGNED:
+ if (!desc->channel[0].normalized &&
+ desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) {
+ return ~0;
+ }
+
+ switch (desc->channel[0].size) {
+ case 4:
+ switch (components) {
+ case 2:
+ return R300_TX_FORMAT_Y4X4 | result;
+ case 4:
+ return R300_TX_FORMAT_W4Z4Y4X4 | result;
+ }
+ return ~0;
+
+ case 8:
+ switch (components) {
+ case 1:
+ return R300_TX_FORMAT_X8 | result;
+ case 2:
+ return R300_TX_FORMAT_Y8X8 | result;
+ case 4:
+ return R300_TX_FORMAT_W8Z8Y8X8 | result;
+ }
+ return ~0;
+
+ case 16:
+ switch (components) {
+ case 1:
+ return R300_TX_FORMAT_X16 | result;
+ case 2:
+ return R300_TX_FORMAT_Y16X16 | result;
+ case 4:
+ return R300_TX_FORMAT_W16Z16Y16X16 | result;
+ }
+ }
+ return ~0;
+
+/* XXX Enable float textures here. */
+#if 0
+ case UTIL_FORMAT_TYPE_FLOAT:
+ switch (desc->channel[0].size) {
+ case 16:
+ switch (components) {
+ case 1:
+ return R300_TX_FORMAT_16F | result;
+ case 2:
+ return R300_TX_FORMAT_16F_16F | result;
+ case 4:
+ return R300_TX_FORMAT_16F_16F_16F_16F | result;
+ }
+ return ~0;
+
+ case 32:
+ switch (components) {
+ case 1:
+ return R300_TX_FORMAT_32F | result;
+ case 2:
+ return R300_TX_FORMAT_32F_32F | result;
+ case 4:
+ return R300_TX_FORMAT_32F_32F_32F_32F | result;
+ }
+ }
+#endif
+ }
+
+ return ~0; /* Unsupported/unknown. */
+}
+
+/* Buffer formats. */
+
+/* Colorbuffer formats. This is the unswizzled format of the RB3D block's
+ * output. For the swizzling of the targets, check the shader's format. */
+static uint32_t r300_translate_colorformat(enum pipe_format format)
+{
+ switch (format) {
+ /* 8-bit buffers. */
+ case PIPE_FORMAT_A8_UNORM:
+ case PIPE_FORMAT_I8_UNORM:
+ case PIPE_FORMAT_L8_UNORM:
+ case PIPE_FORMAT_L8_SRGB:
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
+ return R300_COLOR_FORMAT_I8;
+
+ /* 16-bit buffers. */
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ return R300_COLOR_FORMAT_RGB565;
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
+ return R300_COLOR_FORMAT_ARGB1555;
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
+ return R300_COLOR_FORMAT_ARGB4444;
+
+ /* 32-bit buffers. */
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_SRGB:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_SRGB:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_SRGB:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_SRGB:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_A8B8G8R8_SRGB:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_SRGB:
+ case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
+ return R300_COLOR_FORMAT_ARGB8888;
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */
+
+ /* 64-bit buffers. */
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
+ return R300_COLOR_FORMAT_ARGB16161616;
+
+/* XXX Enable float textures here. */
+#if 0
+ /* 128-bit buffers. */
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return R300_COLOR_FORMAT_ARGB32323232;
+#endif
+
+ /* YUV buffers. */
+ case PIPE_FORMAT_UYVY:
+ return R300_COLOR_FORMAT_YVYU;
+ case PIPE_FORMAT_YUYV:
+ return R300_COLOR_FORMAT_VYUY;
+ default:
+ return ~0; /* Unsupported. */
+ }
+}
+
+/* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */
+static uint32_t r300_translate_zsformat(enum pipe_format format)
+{
+ switch (format) {
+ /* 16-bit depth, no stencil */
+ case PIPE_FORMAT_Z16_UNORM:
+ return R300_DEPTHFORMAT_16BIT_INT_Z;
+ /* 24-bit depth, ignored stencil */
+ case PIPE_FORMAT_X8Z24_UNORM:
+ /* 24-bit depth, 8-bit stencil */
+ case PIPE_FORMAT_S8Z24_UNORM:
+ return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
+ default:
+ return ~0; /* Unsupported. */
+ }
+}
+
+/* Shader output formats. This is essentially the swizzle from the shader
+ * to the RB3D block.
+ *
+ * Note that formats are stored from C3 to C0. */
+static uint32_t r300_translate_out_fmt(enum pipe_format format)
+{
+ uint32_t modifier = 0;
+ unsigned i;
+ const struct util_format_description *desc;
+ static const uint32_t sign_bit[4] = {
+ R300_OUT_SIGN(0x1),
+ R300_OUT_SIGN(0x2),
+ R300_OUT_SIGN(0x4),
+ R300_OUT_SIGN(0x8),
+ };
+
+ desc = util_format_description(format);
+
+ /* Specifies how the shader output is written to the fog unit. */
+ if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
+ /* The gamma correction causes precision loss so we need
+ * higher precision to maintain reasonable quality.
+ * It has nothing to do with the colorbuffer format. */
+ modifier |= R300_US_OUT_FMT_C4_10_GAMMA;
+ } else if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) {
+ if (desc->channel[0].size == 32) {
+ modifier |= R300_US_OUT_FMT_C4_32_FP;
+ } else {
+ modifier |= R300_US_OUT_FMT_C4_16_FP;
+ }
+ } else {
+ if (desc->channel[0].size == 16) {
+ modifier |= R300_US_OUT_FMT_C4_16;
+ } else {
+ /* C4_8 seems to be used for the formats whose pixel size
+ * is <= 32 bits. */
+ modifier |= R300_US_OUT_FMT_C4_8;
+ }
+ }
+
+ /* Add sign. */
+ for (i = 0; i < 4; i++)
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
+ modifier |= sign_bit[i];
+ }
+
+ /* Add swizzles and return. */
+ switch (format) {
+ /* 8-bit outputs.
+ * COLORFORMAT_I8 stores the C2 component. */
+ case PIPE_FORMAT_A8_UNORM:
+ return modifier | R300_C2_SEL_A;
+ case PIPE_FORMAT_I8_UNORM:
+ case PIPE_FORMAT_L8_UNORM:
+ case PIPE_FORMAT_L8_SRGB:
+ case PIPE_FORMAT_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
+ return modifier | R300_C2_SEL_R;
+
+ /* ARGB 32-bit outputs. */
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_SRGB:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_SRGB:
+ return modifier |
+ R300_C0_SEL_B | R300_C1_SEL_G |
+ R300_C2_SEL_R | R300_C3_SEL_A;
+
+ /* BGRA 32-bit outputs. */
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_SRGB:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_SRGB:
+ return modifier |
+ R300_C0_SEL_A | R300_C1_SEL_R |
+ R300_C2_SEL_G | R300_C3_SEL_B;
+
+ /* RGBA 32-bit outputs. */
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_A8B8G8R8_SRGB:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_SRGB:
+ return modifier |
+ R300_C0_SEL_A | R300_C1_SEL_B |
+ R300_C2_SEL_G | R300_C3_SEL_R;
+
+ /* ABGR 32-bit outputs. */
+ case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ /* RGBA high precision outputs (same swizzles as ABGR low precision) */
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return modifier |
+ R300_C0_SEL_R | R300_C1_SEL_G |
+ R300_C2_SEL_B | R300_C3_SEL_A;
+
+ default:
+ return ~0; /* Unsupported. */
+ }
+}
+
+boolean r300_is_colorbuffer_format_supported(enum pipe_format format)
+{
+ return r300_translate_colorformat(format) != ~0 &&
+ r300_translate_out_fmt(format) != ~0;
+}
+
+boolean r300_is_zs_format_supported(enum pipe_format format)
+{
+ return r300_translate_zsformat(format) != ~0;
+}
+
+boolean r300_is_sampler_format_supported(enum pipe_format format)
+{
+ return r300_translate_texformat(format) != ~0;
+}
+
static void r300_setup_texture_state(struct r300_screen* screen, struct r300_texture* tex)
{
- struct r300_texture_state* state = &tex->state;
+ struct r300_texture_format_state* state = &tex->state;
struct pipe_texture *pt = &tex->tex;
+ unsigned i;
boolean is_r500 = screen->caps->is_r500;
+ /* Set sampler state. */
state->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);
SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",
pt->width0, pt->height0, pt->last_level);
+
+ /* Set framebuffer state. */
+ if (util_format_is_depth_or_stencil(tex->tex.format)) {
+ for (i = 0; i <= tex->tex.last_level; i++) {
+ tex->fb_state.depthpitch[i] =
+ tex->pitch[i] |
+ R300_DEPTHMACROTILE(tex->mip_macrotile[i]) |
+ R300_DEPTHMICROTILE(tex->microtile);
+ }
+ tex->fb_state.zb_format = r300_translate_zsformat(tex->tex.format);
+ } else {
+ for (i = 0; i <= tex->tex.last_level; i++) {
+ tex->fb_state.colorpitch[i] =
+ tex->pitch[i] |
+ r300_translate_colorformat(tex->tex.format) |
+ R300_COLOR_TILE(tex->mip_macrotile[i]) |
+ R300_COLOR_MICROTILE(tex->microtile);
+ }
+ tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->tex.format);
+ }
}
void r300_texture_reinterpret_format(struct pipe_screen *screen,
/* Return true if macrotiling should be enabled on the miplevel. */
static boolean r300_texture_macro_switch(struct r300_texture *tex,
unsigned level,
- boolean rv350_mode)
+ boolean rv350_mode,
+ int dim)
{
- unsigned tile_width, width;
+ unsigned tile, texdim;
- tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH, TRUE);
- width = u_minify(tex->tex.width0, level);
+ tile = r300_texture_get_tile_size(tex, dim, TRUE);
+ if (dim == TILE_WIDTH) {
+ texdim = u_minify(tex->tex.width0, level);
+ } else {
+ texdim = u_minify(tex->tex.height0, level);
+ }
/* See TX_FILTER1_n.MACRO_SWITCH. */
if (rv350_mode) {
- return width >= tile_width;
+ return texdim >= tile;
} else {
- return width > tile_width;
+ return texdim > tile;
}
}
for (i = 0; i <= base->last_level; i++) {
/* Let's see if this miplevel can be macrotiled. */
- tex->mip_macrotile[i] = (tex->macrotile == R300_BUFFER_TILED &&
- r300_texture_macro_switch(tex, i, rv350_mode)) ?
- R300_BUFFER_TILED : R300_BUFFER_LINEAR;
+ tex->mip_macrotile[i] =
+ (tex->macrotile == R300_BUFFER_TILED &&
+ r300_texture_macro_switch(tex, i, rv350_mode, TILE_WIDTH)) ?
+ R300_BUFFER_TILED : R300_BUFFER_LINEAR;
stride = r300_texture_get_stride(screen, tex, i);
nblocksy = r300_texture_get_nblocksy(tex, i);
!util_is_power_of_two(tex->tex.height0);
}
+static void r300_setup_tiling(struct pipe_screen *screen,
+ struct r300_texture *tex)
+{
+ enum pipe_format format = tex->tex.format;
+ boolean rv350_mode = r300_screen(screen)->caps->family >= CHIP_FAMILY_RV350;
+
+ if (util_format_is_compressed(format)) {
+ return;
+ }
+
+ if (tex->tex.width0 == 1 ||
+ tex->tex.height0 == 1) {
+ return;
+ }
+
+ /* Set microtiling. */
+ switch (util_format_get_blocksize(format)) {
+ case 1:
+ case 4:
+ tex->microtile = R300_BUFFER_TILED;
+ break;
+
+ /* XXX Square-tiling doesn't work with kernel older than 2.6.34,
+ * XXX need to check the DRM version */
+ /*case 2:
+ case 8:
+ tex->microtile = R300_BUFFER_SQUARETILED;
+ break;*/
+ }
+
+ /* Set macrotiling. */
+ if (r300_texture_macro_switch(tex, 0, rv350_mode, TILE_WIDTH) &&
+ r300_texture_macro_switch(tex, 0, rv350_mode, TILE_HEIGHT)) {
+ tex->macrotile = R300_BUFFER_TILED;
+ }
+}
+
/* Create a new texture. */
-static struct pipe_texture*
- r300_texture_create(struct pipe_screen* screen,
- const struct pipe_texture* template)
+static struct pipe_texture* r300_texture_create(struct pipe_screen* screen,
+ const struct pipe_texture* template)
{
struct r300_texture* tex = CALLOC_STRUCT(r300_texture);
struct r300_screen* rscreen = r300_screen(screen);
- struct radeon_winsys* winsys = (struct radeon_winsys*)screen->winsys;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
if (!tex) {
return NULL;
tex->tex.screen = screen;
r300_setup_flags(tex);
+ if (!(template->tex_usage & R300_TEXTURE_USAGE_TRANSFER)) {
+ r300_setup_tiling(screen, tex);
+ }
r300_setup_miptree(rscreen, tex);
r300_setup_texture_state(rscreen, tex);
- tex->buffer = screen->buffer_create(screen, 2048,
- PIPE_BUFFER_USAGE_PIXEL,
- tex->size);
- winsys->buffer_set_tiling(winsys, tex->buffer,
- tex->pitch[0],
- tex->microtile != R300_BUFFER_LINEAR,
- tex->macrotile != R300_BUFFER_LINEAR);
+ tex->buffer = rws->buffer_create(rws, 2048,
+ PIPE_BUFFER_USAGE_PIXEL,
+ tex->size);
+ rws->buffer_set_tiling(rws, tex->buffer,
+ tex->pitch[0],
+ tex->microtile != R300_BUFFER_LINEAR,
+ tex->macrotile != R300_BUFFER_LINEAR);
if (!tex->buffer) {
FREE(tex);
static void r300_texture_destroy(struct pipe_texture* texture)
{
struct r300_texture* tex = (struct r300_texture*)texture;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)texture->screen->winsys;
- pipe_buffer_reference(&tex->buffer, NULL);
-
+ rws->buffer_reference(rws, &tex->buffer, NULL);
FREE(tex);
}
FREE(s);
}
+
static struct pipe_texture*
- r300_texture_blanket(struct pipe_screen* screen,
- const struct pipe_texture* base,
- const unsigned* stride,
- struct pipe_buffer* buffer)
+ r300_texture_from_handle(struct pipe_screen* screen,
+ const struct pipe_texture* base,
+ struct winsys_handle *whandle)
{
- struct r300_texture* tex;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen*)screen->winsys;
struct r300_screen* rscreen = r300_screen(screen);
+ struct r300_winsys_buffer *buffer;
+ struct r300_texture* tex;
+ unsigned stride;
/* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
return NULL;
}
+ buffer = rws->buffer_from_handle(rws, screen, whandle, &stride);
+ if (!buffer) {
+ return NULL;
+ }
+
tex = CALLOC_STRUCT(r300_texture);
if (!tex) {
return NULL;
pipe_reference_init(&tex->tex.reference, 1);
tex->tex.screen = screen;
- tex->stride_override = *stride;
- tex->pitch[0] = *stride / util_format_get_blocksize(base->format);
+ tex->stride_override = stride;
+ tex->pitch[0] = stride / util_format_get_blocksize(base->format);
r300_setup_flags(tex);
r300_setup_texture_state(rscreen, tex);
- pipe_buffer_reference(&tex->buffer, buffer);
+ /* one ref already taken */
+ tex->buffer = buffer;
return (struct pipe_texture*)tex;
}
+static boolean
+ r300_texture_get_handle(struct pipe_screen* screen,
+ struct pipe_texture *texture,
+ struct winsys_handle *whandle)
+{
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
+ struct r300_texture* tex = (struct r300_texture*)texture;
+ unsigned stride;
+
+ if (!tex) {
+ return FALSE;
+ }
+
+ stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
+
+ rws->buffer_get_handle(rws, tex->buffer, stride, whandle);
+
+ return TRUE;
+}
+
static struct pipe_video_surface *
r300_video_surface_create(struct pipe_screen *screen,
enum pipe_video_chroma_format chroma_format,
memset(&template, 0, sizeof(struct pipe_texture));
template.target = PIPE_TEXTURE_2D;
- template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
+ template.format = PIPE_FORMAT_B8G8R8X8_UNORM;
template.last_level = 0;
template.width0 = util_next_power_of_two(width);
template.height0 = util_next_power_of_two(height);
void r300_init_screen_texture_functions(struct pipe_screen* screen)
{
screen->texture_create = r300_texture_create;
+ screen->texture_from_handle = r300_texture_from_handle;
+ screen->texture_get_handle = r300_texture_get_handle;
screen->texture_destroy = r300_texture_destroy;
screen->get_tex_surface = r300_get_tex_surface;
screen->tex_surface_destroy = r300_tex_surface_destroy;
- screen->texture_blanket = r300_texture_blanket;
screen->video_surface_create = r300_video_surface_create;
screen->video_surface_destroy= r300_video_surface_destroy;
boolean r300_get_texture_buffer(struct pipe_screen* screen,
struct pipe_texture* texture,
- struct pipe_buffer** buffer,
+ struct r300_winsys_buffer** buffer,
unsigned* stride)
{
struct r300_texture* tex = (struct r300_texture*)texture;
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
+ struct r300_winsys_buffer *buf;
+
if (!tex) {
return FALSE;
}
- pipe_buffer_reference(buffer, tex->buffer);
+ rws->buffer_reference(rws, &buf, tex->buffer);
if (stride) {
*stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
}
+ *buffer = buf;
return TRUE;
}
projects / mesa.git / blobdiff