/*
* 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"),
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
+#include "pipe/p_screen.h"
+
+#include "util/u_format.h"
+#include "util/u_format_s3tc.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
+#include "r300_context.h"
+#include "r300_reg.h"
#include "r300_texture.h"
+#include "r300_transfer.h"
+#include "r300_screen.h"
+#include "r300_winsys.h"
+
+#define TILE_WIDTH 0
+#define TILE_HEIGHT 1
+
+static const unsigned microblock_table[5][3][2] = {
+ /*linear tiled square-tiled */
+ {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
+ {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
+ {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
+ {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
+ {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
+};
+
+unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
+ const unsigned char *swizzle_view)
+{
+ unsigned i;
+ unsigned char swizzle[4];
+ unsigned result = 0;
+ 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_bit[4] = {
+ R300_TX_FORMAT_X,
+ R300_TX_FORMAT_Y,
+ R300_TX_FORMAT_Z,
+ R300_TX_FORMAT_W
+ };
+
+ if (swizzle_view) {
+ /* Combine two sets of swizzles. */
+ for (i = 0; i < 4; i++) {
+ swizzle[i] = swizzle_view[i] <= UTIL_FORMAT_SWIZZLE_W ?
+ swizzle_format[swizzle_view[i]] : swizzle_view[i];
+ }
+ } else {
+ memcpy(swizzle, swizzle_format, 4);
+ }
+
+ /* Get swizzle. */
+ for (i = 0; i < 4; i++) {
+ switch (swizzle[i]) {
+ case UTIL_FORMAT_SWIZZLE_Y:
+ result |= swizzle_bit[1] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_Z:
+ result |= swizzle_bit[2] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_W:
+ result |= swizzle_bit[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: /* UTIL_FORMAT_SWIZZLE_X */
+ result |= swizzle_bit[0] << swizzle_shift[i];
+ }
+ }
+ return result;
+}
+
+/* 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. */
+uint32_t r300_translate_texformat(enum pipe_format format,
+ const unsigned char *swizzle_view)
+{
+ uint32_t result = 0;
+ const struct util_format_description *desc;
+ unsigned i;
+ boolean uniform = TRUE;
+ 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.
+ * Swizzles are added in r300_merge_textures_and_samplers. */
+ case UTIL_FORMAT_COLORSPACE_ZS:
+ switch (format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ return R300_TX_FORMAT_X16;
+ case PIPE_FORMAT_X8Z24_UNORM:
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ return R300_TX_FORMAT_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:
+ switch (format) {
+ /* Same as YUV but without the YUR->RGB conversion. */
+ case PIPE_FORMAT_R8G8_B8G8_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
+ case PIPE_FORMAT_G8R8_G8B8_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
+ default:;
+ }
+ }
+
+ result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view);
+
+ /* S3TC formats. */
+ if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
+ if (!util_format_s3tc_enabled) {
+ return ~0; /* Unsupported. */
+ }
+
+ 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. */
+ }
+ }
+
+ /* Add sign. */
+ for (i = 0; i < desc->nr_channels; i++) {
+ if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
+ result |= sign_bit[i];
+ }
+ }
+
+ /* This is truly a special format.
+ * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2)
+ * in the sampler unit. Also known as D3DFMT_CxV8U8. */
+ if (format == PIPE_FORMAT_R8G8Bx_SNORM) {
+ return R300_TX_FORMAT_CxV8U8 | result;
+ }
+
+ /* RGTC formats. */
+ if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
+ switch (format) {
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC1_SNORM:
+ return R500_TX_FORMAT_ATI1N | result;
+ case PIPE_FORMAT_RGTC2_UNORM:
+ case PIPE_FORMAT_RGTC2_SNORM:
+ return R400_TX_FORMAT_ATI2N | result;
+ default:
+ return ~0; /* Unsupported/unknown. */
+ }
+ }
+
+ /* See whether the components are of the same size. */
+ for (i = 1; i < desc->nr_channels; i++) {
+ uniform = uniform && desc->channel[0].size == desc->channel[i].size;
+ }
+
+ /* Non-uniform formats. */
+ if (!uniform) {
+ switch (desc->nr_channels) {
+ 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 (desc->nr_channels) {
+ case 2:
+ return R300_TX_FORMAT_Y4X4 | result;
+ case 4:
+ return R300_TX_FORMAT_W4Z4Y4X4 | result;
+ }
+ return ~0;
+
+ case 8:
+ switch (desc->nr_channels) {
+ 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 (desc->nr_channels) {
+ 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;
+
+ case UTIL_FORMAT_TYPE_FLOAT:
+ switch (desc->channel[0].size) {
+ case 16:
+ switch (desc->nr_channels) {
+ 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 (desc->nr_channels) {
+ 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;
+ }
+ }
+ }
+
+ return ~0; /* Unsupported/unknown. */
+}
+
+uint32_t r500_tx_format_msb_bit(enum pipe_format format)
+{
+ switch (format) {
+ case PIPE_FORMAT_RGTC1_UNORM:
+ case PIPE_FORMAT_RGTC1_SNORM:
+ return R500_TXFORMAT_MSB;
+ default:
+ return 0;
+ }
+}
+
+/* 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_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
+ return R300_COLOR_FORMAT_I8;
-static void r300_setup_texture_state(struct r300_texture* tex)
+ /* 16-bit buffers. */
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ return R300_COLOR_FORMAT_RGB565;
+
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
+ case PIPE_FORMAT_B5G5R5X1_UNORM:
+ return R300_COLOR_FORMAT_ARGB1555;
+
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
+ case PIPE_FORMAT_B4G4R4X4_UNORM:
+ return R300_COLOR_FORMAT_ARGB4444;
+
+ /* 32-bit buffers. */
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
+ return R300_COLOR_FORMAT_ARGB8888;
+
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ case PIPE_FORMAT_R10G10B10X2_SNORM:
+ case PIPE_FORMAT_B10G10R10A2_UNORM:
+ case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
+ 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:
+ return R300_COLOR_FORMAT_ARGB16161616;
+
+ /* 128-bit buffers. */
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return R300_COLOR_FORMAT_ARGB32323232;
+
+ /* 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_S8_USCALED_Z24_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)
{
- struct r300_texture_state* state = &tex->state;
- struct pipe_texture *pt = &tex->tex;
+ 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),
+ };
- state->format0 = R300_TX_WIDTH((pt->width[0] - 1) & 0x7ff) |
- R300_TX_HEIGHT((pt->height[0] - 1) & 0x7ff) |
- R300_TX_DEPTH(util_logbase2(pt->depth[0]) & 0xf) |
- R300_TX_NUM_LEVELS(pt->last_level) |
- R300_TX_PITCH_EN;
+ desc = util_format_description(format);
- /* XXX */
- state->format1 = r300_translate_texformat(pt->format);
+ /* Specifies how the shader output is written to the fog unit. */
+ 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_R8_UNORM:
+ case PIPE_FORMAT_R8_SNORM:
+ return modifier | R300_C2_SEL_R;
+
+ /* BGRA outputs. */
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
+ case PIPE_FORMAT_B5G5R5X1_UNORM:
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
+ case PIPE_FORMAT_B4G4R4X4_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_B10G10R10A2_UNORM:
+ return modifier |
+ R300_C0_SEL_B | R300_C1_SEL_G |
+ R300_C2_SEL_R | R300_C3_SEL_A;
+
+ /* ARGB outputs. */
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ return modifier |
+ R300_C0_SEL_A | R300_C1_SEL_R |
+ R300_C2_SEL_G | R300_C3_SEL_B;
+
+ /* ABGR outputs. */
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
+ return modifier |
+ R300_C0_SEL_A | R300_C1_SEL_B |
+ R300_C2_SEL_G | R300_C3_SEL_R;
+
+ /* RGBA outputs. */
+ case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ case PIPE_FORMAT_R8SG8SB8UX8U_NORM:
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ case PIPE_FORMAT_R10G10B10X2_SNORM:
+ case PIPE_FORMAT_R10SG10SB10SA2U_NORM:
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ case PIPE_FORMAT_R16G16B16A16_FLOAT:
+ 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) != ~0;
+}
+
+static void r300_texture_setup_immutable_state(struct r300_screen* screen,
+ struct r300_texture* tex)
+{
+ struct r300_texture_format_state* f = &tex->tx_format;
+ struct pipe_resource *pt = &tex->b.b;
+ boolean is_r500 = screen->caps.is_r500;
+
+ /* Set sampler state. */
+ f->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
+ R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);
+
+ if (tex->uses_pitch) {
+ /* rectangles love this */
+ f->format0 |= R300_TX_PITCH_EN;
+ f->format2 = (tex->hwpitch[0] - 1) & 0x1fff;
+ } else {
+ /* power of two textures (3D, mipmaps, and no pitch) */
+ f->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf);
+ }
+
+ f->format1 = 0;
if (pt->target == PIPE_TEXTURE_CUBE) {
- state->format1 |= R300_TX_FORMAT_CUBIC_MAP;
+ f->format1 |= R300_TX_FORMAT_CUBIC_MAP;
}
if (pt->target == PIPE_TEXTURE_3D) {
- state->format1 |= R300_TX_FORMAT_3D;
+ f->format1 |= R300_TX_FORMAT_3D;
+ }
+
+ /* large textures on r500 */
+ if (is_r500)
+ {
+ if (pt->width0 > 2048) {
+ f->format2 |= R500_TXWIDTH_BIT11;
+ }
+ if (pt->height0 > 2048) {
+ f->format2 |= R500_TXHEIGHT_BIT11;
+ }
}
- state->format2 = (r300_texture_get_stride(tex, 0) / pt->block.size) - 1;
+ f->tile_config = R300_TXO_MACRO_TILE(tex->macrotile) |
+ R300_TXO_MICRO_TILE(tex->microtile);
+}
+
+static void r300_texture_setup_fb_state(struct r300_screen* screen,
+ struct r300_texture* tex)
+{
+ unsigned i;
- /* Assume (somewhat foolishly) that oversized textures will
- * not be permitted by the state tracker. */
- if (pt->width[0] > 2048) {
- state->format2 |= R500_TXWIDTH_BIT11;
+ /* Set framebuffer state. */
+ if (util_format_is_depth_or_stencil(tex->b.b.format)) {
+ for (i = 0; i <= tex->b.b.last_level; i++) {
+ tex->fb_state.depthpitch[i] =
+ tex->hwpitch[i] |
+ R300_DEPTHMACROTILE(tex->mip_macrotile[i]) |
+ R300_DEPTHMICROTILE(tex->microtile);
+ }
+ tex->fb_state.zb_format = r300_translate_zsformat(tex->b.b.format);
+ } else {
+ for (i = 0; i <= tex->b.b.last_level; i++) {
+ tex->fb_state.colorpitch[i] =
+ tex->hwpitch[i] |
+ r300_translate_colorformat(tex->b.b.format) |
+ R300_COLOR_TILE(tex->mip_macrotile[i]) |
+ R300_COLOR_MICROTILE(tex->microtile);
+ }
+ tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->b.b.format);
}
- if (pt->height[0] > 2048) {
- state->format2 |= R500_TXHEIGHT_BIT11;
+}
+
+void r300_texture_reinterpret_format(struct pipe_screen *screen,
+ struct pipe_resource *tex,
+ enum pipe_format new_format)
+{
+ struct r300_screen *r300screen = r300_screen(screen);
+
+ SCREEN_DBG(r300screen, DBG_TEX, "r300: texture_reinterpret_format: %s -> %s\n",
+ util_format_short_name(tex->format), util_format_short_name(new_format));
+
+ tex->format = new_format;
+
+ r300_texture_setup_fb_state(r300_screen(screen), r300_texture(tex));
+}
+
+unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
+ unsigned zslice, unsigned face)
+{
+ unsigned offset = tex->offset[level];
+
+ switch (tex->b.b.target) {
+ case PIPE_TEXTURE_3D:
+ assert(face == 0);
+ return offset + zslice * tex->layer_size[level];
+
+ case PIPE_TEXTURE_CUBE:
+ assert(zslice == 0);
+ return offset + face * tex->layer_size[level];
+
+ default:
+ assert(zslice == 0 && face == 0);
+ return offset;
+ }
+}
+
+/**
+ * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
+ * of the given texture.
+ */
+static unsigned r300_texture_get_tile_size(struct r300_texture* tex,
+ int dim, boolean macrotile)
+{
+ unsigned pixsize, tile_size;
+
+ pixsize = util_format_get_blocksize(tex->b.b.format);
+ tile_size = microblock_table[util_logbase2(pixsize)][tex->microtile][dim];
+
+ if (macrotile) {
+ tile_size *= 8;
}
- debug_printf("r300: Set texture state (%dx%d, %d levels)\n",
- pt->width[0], pt->height[0], pt->last_level);
+ assert(tile_size);
+ return tile_size;
+}
+
+/* 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,
+ int dim)
+{
+ unsigned tile, texdim;
+
+ tile = r300_texture_get_tile_size(tex, dim, TRUE);
+ if (dim == TILE_WIDTH) {
+ texdim = u_minify(tex->b.b.width0, level);
+ } else {
+ texdim = u_minify(tex->b.b.height0, level);
+ }
+
+ /* See TX_FILTER1_n.MACRO_SWITCH. */
+ if (rv350_mode) {
+ return texdim >= tile;
+ } else {
+ return texdim > tile;
+ }
}
/**
* Return the stride, in bytes, of the texture images of the given texture
* at the given level.
*/
-unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level)
+unsigned r300_texture_get_stride(struct r300_screen* screen,
+ struct r300_texture* tex, unsigned level)
{
+ unsigned tile_width, width;
+
if (tex->stride_override)
return tex->stride_override;
- if (level > tex->tex.last_level) {
- debug_printf("%s: level (%u) > last_level (%u)\n", __FUNCTION__, level, tex->tex.last_level);
+ /* Check the level. */
+ if (level > tex->b.b.last_level) {
+ SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
+ __FUNCTION__, level, tex->b.b.last_level);
return 0;
}
- return align(pf_get_stride(&tex->tex.block, tex->tex.width[level]), 32);
+ width = u_minify(tex->b.b.width0, level);
+
+ if (util_format_is_plain(tex->b.b.format)) {
+ tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH,
+ tex->mip_macrotile[level]);
+ width = align(width, tile_width);
+
+ return util_format_get_stride(tex->b.b.format, width);
+ } else {
+ return align(util_format_get_stride(tex->b.b.format, width), 32);
+ }
}
-static void r300_setup_miptree(struct r300_texture* tex)
+static unsigned r300_texture_get_nblocksy(struct r300_texture* tex,
+ unsigned level)
{
- struct pipe_texture* base = &tex->tex;
- int stride, size;
- int i;
+ unsigned height, tile_height;
- for (i = 0; i <= base->last_level; i++) {
- if (i > 0) {
- base->width[i] = minify(base->width[i-1]);
- base->height[i] = minify(base->height[i-1]);
- base->depth[i] = minify(base->depth[i-1]);
+ height = u_minify(tex->b.b.height0, level);
+
+ if (util_format_is_plain(tex->b.b.format)) {
+ tile_height = r300_texture_get_tile_size(tex, TILE_HEIGHT,
+ tex->mip_macrotile[level]);
+ height = align(height, tile_height);
+
+ /* This is needed for the kernel checker, unfortunately. */
+ height = util_next_power_of_two(height);
+ }
+
+ return util_format_get_nblocksy(tex->b.b.format, height);
+}
+
+static void r300_texture_3d_fix_mipmapping(struct r300_screen *screen,
+ struct r300_texture *tex)
+{
+ /* The kernels <= 2.6.34-rc4 compute the size of mipmapped 3D textures
+ * incorrectly. This is a workaround to prevent CS from being rejected. */
+
+ unsigned i, size;
+
+ if (!screen->rws->get_value(screen->rws, R300_VID_DRM_2_3_0) &&
+ tex->b.b.target == PIPE_TEXTURE_3D &&
+ tex->b.b.last_level > 0) {
+ size = 0;
+
+ for (i = 0; i <= tex->b.b.last_level; i++) {
+ size += r300_texture_get_stride(screen, tex, i) *
+ r300_texture_get_nblocksy(tex, i);
}
- base->nblocksx[i] = pf_get_nblocksx(&base->block, base->width[i]);
- base->nblocksy[i] = pf_get_nblocksy(&base->block, base->height[i]);
+ size *= tex->b.b.depth0;
+ tex->size = size;
+ }
+}
+
+static void r300_setup_miptree(struct r300_screen* screen,
+ struct r300_texture* tex)
+{
+ struct pipe_resource* base = &tex->b.b;
+ unsigned stride, size, layer_size, nblocksy, i;
+ boolean rv350_mode = screen->caps.is_rv350;
- /* Radeons enjoy things in multiples of 64.
- *
- * XXX
- * POT, uncompressed, unmippmapped textures can be aligned to 32,
- * instead of 64. */
- stride = r300_texture_get_stride(tex, i);
- size = stride * base->nblocksy[i] * base->depth[i];
+ SCREEN_DBG(screen, DBG_TEXALLOC, "r300: Making miptree for texture, format %s\n",
+ util_format_short_name(base->format));
- tex->offset[i] = align(tex->size, 32);
+ 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, TILE_WIDTH) &&
+ r300_texture_macro_switch(tex, i, rv350_mode, TILE_HEIGHT)) ?
+ R300_BUFFER_TILED : R300_BUFFER_LINEAR;
+
+ stride = r300_texture_get_stride(screen, tex, i);
+ nblocksy = r300_texture_get_nblocksy(tex, i);
+ layer_size = stride * nblocksy;
+
+ if (base->target == PIPE_TEXTURE_CUBE)
+ size = layer_size * 6;
+ else
+ size = layer_size * u_minify(base->depth0, i);
+
+ tex->offset[i] = tex->size;
tex->size = tex->offset[i] + size;
+ tex->layer_size[i] = layer_size;
+ tex->pitch[i] = stride / util_format_get_blocksize(base->format);
+ tex->hwpitch[i] =
+ tex->pitch[i] * util_format_get_blockwidth(base->format);
- debug_printf("r300: Texture miptree: Level %d "
- "(%dx%dx%d px, pitch %d bytes)\n",
- i, base->width[i], base->height[i], base->depth[i],
- stride);
+ SCREEN_DBG(screen, DBG_TEXALLOC, "r300: Texture miptree: Level %d "
+ "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
+ i, u_minify(base->width0, i), u_minify(base->height0, i),
+ u_minify(base->depth0, i), stride, tex->size,
+ tex->mip_macrotile[i] ? "TRUE" : "FALSE");
}
}
-/* Create a new texture. */
-static struct pipe_texture*
- r300_texture_create(struct pipe_screen* screen,
- const struct pipe_texture* template)
+static void r300_setup_flags(struct r300_texture* tex)
{
- struct r300_texture* tex = CALLOC_STRUCT(r300_texture);
+ tex->uses_pitch = !util_is_power_of_two(tex->b.b.width0) ||
+ !util_is_power_of_two(tex->b.b.height0) ||
+ tex->stride_override;
+}
- if (!tex) {
- return NULL;
+static void r300_setup_tiling(struct pipe_screen *screen,
+ struct r300_texture *tex)
+{
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
+ enum pipe_format format = tex->b.b.format;
+ boolean rv350_mode = r300_screen(screen)->caps.is_rv350;
+ boolean is_zb = util_format_is_depth_or_stencil(format);
+ boolean dbg_no_tiling = SCREEN_DBG_ON(r300_screen(screen), DBG_NO_TILING);
+
+ if (!util_format_is_plain(format)) {
+ return;
}
- tex->tex = *template;
- pipe_reference_init(&tex->tex.reference, 1);
- tex->tex.screen = screen;
+ /* If height == 1, disable microtiling except for zbuffer. */
+ if (!is_zb && (tex->b.b.height0 == 1 || dbg_no_tiling)) {
+ return;
+ }
- r300_setup_miptree(tex);
+ /* Set microtiling. */
+ switch (util_format_get_blocksize(format)) {
+ case 1:
+ case 4:
+ tex->microtile = R300_BUFFER_TILED;
+ break;
- r300_setup_texture_state(tex);
+ case 2:
+ case 8:
+ if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT)) {
+ tex->microtile = R300_BUFFER_SQUARETILED;
+ }
+ break;
+ }
- tex->buffer = screen->buffer_create(screen, 1024,
- PIPE_BUFFER_USAGE_PIXEL,
- tex->size);
+ if (dbg_no_tiling) {
+ return;
+ }
- if (!tex->buffer) {
- FREE(tex);
- return NULL;
+ /* 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;
}
+}
+
+static unsigned r300_texture_is_referenced(struct pipe_context *context,
+ struct pipe_resource *texture,
+ unsigned face, unsigned level)
+{
+ struct r300_context *r300 = r300_context(context);
+ struct r300_texture *rtex = (struct r300_texture *)texture;
- return (struct pipe_texture*)tex;
+ if (r300->rws->is_buffer_referenced(r300->rws, rtex->buffer, R300_REF_CS))
+ return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
+
+ return PIPE_UNREFERENCED;
}
-static void r300_texture_destroy(struct pipe_texture* texture)
+static void r300_texture_destroy(struct pipe_screen *screen,
+ struct pipe_resource* 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);
}
-static struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
- struct pipe_texture* texture,
- unsigned face,
- unsigned level,
- unsigned zslice,
- unsigned flags)
+static boolean r300_texture_get_handle(struct pipe_screen* screen,
+ struct pipe_resource *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;
+}
+
+struct u_resource_vtbl r300_texture_vtbl =
+{
+ r300_texture_get_handle, /* get_handle */
+ r300_texture_destroy, /* resource_destroy */
+ r300_texture_is_referenced, /* is_resource_referenced */
+ r300_texture_get_transfer, /* get_transfer */
+ r300_texture_transfer_destroy, /* transfer_destroy */
+ r300_texture_transfer_map, /* transfer_map */
+ u_default_transfer_flush_region, /* transfer_flush_region */
+ r300_texture_transfer_unmap, /* transfer_unmap */
+ u_default_transfer_inline_write /* transfer_inline_write */
+};
+
+/* Create a new texture. */
+struct pipe_resource* r300_texture_create(struct pipe_screen* screen,
+ const struct pipe_resource* base)
+{
+ struct r300_texture* tex = CALLOC_STRUCT(r300_texture);
+ struct r300_screen* rscreen = r300_screen(screen);
+ struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
+
+ if (!tex) {
+ return NULL;
+ }
+
+ /* Refuse to create a texture with size 0. */
+ if (!base->width0 ||
+ (!base->height0 && (base->target == PIPE_TEXTURE_2D ||
+ base->target == PIPE_TEXTURE_CUBE)) ||
+ (!base->depth0 && base->target == PIPE_TEXTURE_3D)) {
+ fprintf(stderr, "r300: texture_create: "
+ "Got invalid texture dimensions: %ix%ix%i\n",
+ base->width0, base->height0, base->depth0);
+ FREE(tex);
+ return NULL;
+ }
+
+ tex->b.b = *base;
+ tex->b.vtbl = &r300_texture_vtbl;
+ pipe_reference_init(&tex->b.b.reference, 1);
+ tex->b.b.screen = screen;
+
+ r300_setup_flags(tex);
+ if (!(base->flags & R300_RESOURCE_FLAG_TRANSFER) &&
+ !(base->bind & PIPE_BIND_SCANOUT)) {
+ r300_setup_tiling(screen, tex);
+ }
+ r300_setup_miptree(rscreen, tex);
+ r300_texture_3d_fix_mipmapping(rscreen, tex);
+ r300_texture_setup_immutable_state(rscreen, tex);
+ r300_texture_setup_fb_state(rscreen, tex);
+
+ SCREEN_DBG(rscreen, DBG_TEX,
+ "r300: texture_create: Macro: %s, Micro: %s, Pitch: %i, "
+ "Dim: %ix%ix%i, LastLevel: %i, Format: %s\n",
+ tex->macrotile ? "YES" : " NO",
+ tex->microtile ? "YES" : " NO",
+ tex->hwpitch[0],
+ base->width0, base->height0, base->depth0, base->last_level,
+ util_format_short_name(base->format));
+
+ tex->buffer = rws->buffer_create(rws, 2048,
+ PIPE_BIND_SAMPLER_VIEW, /* XXX */
+ tex->size);
+ rws->buffer_set_tiling(rws, tex->buffer,
+ tex->pitch[0],
+ tex->microtile,
+ tex->macrotile);
+
+ if (!tex->buffer) {
+ FREE(tex);
+ return NULL;
+ }
+
+ return (struct pipe_resource*)tex;
+}
+
+/* Not required to implement u_resource_vtbl, consider moving to another file:
+ */
+struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
+ struct pipe_resource* texture,
+ unsigned face,
+ unsigned level,
+ unsigned zslice,
+ unsigned flags)
+{
+ struct r300_texture* tex = r300_texture(texture);
struct pipe_surface* surface = CALLOC_STRUCT(pipe_surface);
unsigned offset;
- /* XXX this is certainly dependent on tex target */
- offset = tex->offset[level];
+ offset = r300_texture_get_offset(tex, level, zslice, face);
if (surface) {
pipe_reference_init(&surface->reference, 1);
- pipe_texture_reference(&surface->texture, texture);
+ pipe_resource_reference(&surface->texture, texture);
surface->format = texture->format;
- surface->width = texture->width[level];
- surface->height = texture->height[level];
+ surface->width = u_minify(texture->width0, level);
+ surface->height = u_minify(texture->height0, level);
surface->offset = offset;
surface->usage = flags;
+ surface->zslice = zslice;
+ surface->texture = texture;
+ surface->face = face;
+ surface->level = level;
}
return surface;
}
-static void r300_tex_surface_destroy(struct pipe_surface* s)
+/* Not required to implement u_resource_vtbl, consider moving to another file:
+ */
+void r300_tex_surface_destroy(struct pipe_surface* s)
{
- pipe_texture_reference(&s->texture, NULL);
+ pipe_resource_reference(&s->texture, NULL);
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)
+struct pipe_resource*
+r300_texture_from_handle(struct pipe_screen* screen,
+ const struct pipe_resource* base,
+ struct winsys_handle *whandle)
{
+ 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;
+ boolean override_zb_flags;
- /* XXX we should start doing mips now... */
+ /* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
- base->last_level != 0 ||
- base->depth[0] != 1) {
+ base->depth0 != 1 ||
+ base->last_level != 0) {
+ return NULL;
+ }
+
+ buffer = rws->buffer_from_handle(rws, screen, whandle, &stride);
+ if (!buffer) {
return NULL;
}
return NULL;
}
- tex->tex = *base;
- pipe_reference_init(&tex->tex.reference, 1);
- tex->tex.screen = screen;
-
- tex->stride_override = *stride;
+ tex->b.b = *base;
+ tex->b.vtbl = &r300_texture_vtbl;
+ pipe_reference_init(&tex->b.b.reference, 1);
+ tex->b.b.screen = screen;
- /* XXX */
- r300_setup_texture_state(tex);
+ tex->stride_override = stride;
- pipe_buffer_reference(&tex->buffer, buffer);
+ /* one ref already taken */
+ tex->buffer = buffer;
- return (struct pipe_texture*)tex;
-}
-
-static struct pipe_video_surface *
-r300_video_surface_create(struct pipe_screen *screen,
- enum pipe_video_chroma_format chroma_format,
- unsigned width, unsigned height)
-{
- struct r300_video_surface *r300_vsfc;
- struct pipe_texture template;
-
- assert(screen);
- assert(width && height);
-
- r300_vsfc = CALLOC_STRUCT(r300_video_surface);
- if (!r300_vsfc)
- return NULL;
-
- pipe_reference_init(&r300_vsfc->base.reference, 1);
- r300_vsfc->base.screen = screen;
- r300_vsfc->base.chroma_format = chroma_format;
- r300_vsfc->base.width = width;
- r300_vsfc->base.height = height;
-
- memset(&template, 0, sizeof(struct pipe_texture));
- template.target = PIPE_TEXTURE_2D;
- template.format = PIPE_FORMAT_X8R8G8B8_UNORM;
- template.last_level = 0;
- template.width[0] = util_next_power_of_two(width);
- template.height[0] = util_next_power_of_two(height);
- template.depth[0] = 1;
- pf_get_block(template.format, &template.block);
- template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER |
- PIPE_TEXTURE_USAGE_RENDER_TARGET;
-
- r300_vsfc->tex = screen->texture_create(screen, &template);
- if (!r300_vsfc->tex)
- {
- FREE(r300_vsfc);
- return NULL;
- }
+ rws->buffer_get_tiling(rws, buffer, &tex->microtile, &tex->macrotile);
+ r300_setup_flags(tex);
+ SCREEN_DBG(rscreen, DBG_TEX,
+ "r300: texture_from_handle: Macro: %s, Micro: %s, "
+ "Pitch: % 4i, Dim: %ix%i, Format: %s\n",
+ tex->macrotile ? "YES" : " NO",
+ tex->microtile ? "YES" : " NO",
+ stride / util_format_get_blocksize(base->format),
+ base->width0, base->height0,
+ util_format_short_name(base->format));
- return &r300_vsfc->base;
-}
+ /* Enforce microtiled zbuffer. */
+ override_zb_flags = util_format_is_depth_or_stencil(base->format) &&
+ tex->microtile == R300_BUFFER_LINEAR;
-static void r300_video_surface_destroy(struct pipe_video_surface *vsfc)
-{
- struct r300_video_surface *r300_vsfc = r300_video_surface(vsfc);
- pipe_texture_reference(&r300_vsfc->tex, NULL);
- FREE(r300_vsfc);
-}
+ if (override_zb_flags) {
+ switch (util_format_get_blocksize(base->format)) {
+ case 4:
+ tex->microtile = R300_BUFFER_TILED;
+ break;
-void r300_init_screen_texture_functions(struct pipe_screen* screen)
-{
- screen->texture_create = r300_texture_create;
- 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;
-}
+ case 2:
+ if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT)) {
+ tex->microtile = R300_BUFFER_SQUARETILED;
+ break;
+ }
+ /* Pass through. */
-boolean r300_get_texture_buffer(struct pipe_texture* texture,
- struct pipe_buffer** buffer,
- unsigned* stride)
-{
- struct r300_texture* tex = (struct r300_texture*)texture;
- if (!tex) {
- return FALSE;
+ default:
+ override_zb_flags = FALSE;
+ }
}
- pipe_buffer_reference(buffer, tex->buffer);
+ r300_setup_miptree(rscreen, tex);
+ r300_texture_setup_immutable_state(rscreen, tex);
+ r300_texture_setup_fb_state(rscreen, tex);
- if (stride) {
- *stride = r300_texture_get_stride(tex, 0);
+ if (override_zb_flags) {
+ rws->buffer_set_tiling(rws, tex->buffer,
+ tex->pitch[0],
+ tex->microtile,
+ tex->macrotile);
}
-
- return TRUE;
+ return (struct pipe_resource*)tex;
}
projects / mesa.git / blobdiff