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/*
* Copyright (C) 2009 Francisco Jerez.
* 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, sublicense, 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 NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "nouveau_driver.h"
#include "nouveau_context.h"
#include "nouveau_texture.h"
#include "nouveau_fbo.h"
#include "nouveau_util.h"
#include "main/texobj.h"
#include "main/texstore.h"
#include "main/texformat.h"
#include "main/texcompress.h"
#include "main/texgetimage.h"
#include "main/mipmap.h"
#include "main/texfetch.h"
#include "main/teximage.h"
static struct gl_texture_object *
nouveau_texture_new(GLcontext *ctx, GLuint name, GLenum target)
{
struct nouveau_texture *nt = CALLOC_STRUCT(nouveau_texture);
_mesa_initialize_texture_object(&nt->base, name, target);
return &nt->base;
}
static void
nouveau_texture_free(GLcontext *ctx, struct gl_texture_object *t)
{
struct nouveau_texture *nt = to_nouveau_texture(t);
int i;
for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
nouveau_surface_ref(NULL, &nt->surfaces[i]);
_mesa_delete_texture_object(ctx, t);
}
static struct gl_texture_image *
nouveau_teximage_new(GLcontext *ctx)
{
struct nouveau_teximage *nti = CALLOC_STRUCT(nouveau_teximage);
return &nti->base;
}
static void
nouveau_teximage_free(GLcontext *ctx, struct gl_texture_image *ti)
{
struct nouveau_teximage *nti = to_nouveau_teximage(ti);
nouveau_surface_ref(NULL, &nti->surface);
}
static void
nouveau_teximage_map(GLcontext *ctx, struct gl_texture_image *ti)
{
struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
int ret;
if (s->bo) {
ret = nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR);
assert(!ret);
ti->Data = s->bo->map;
}
}
static void
nouveau_teximage_unmap(GLcontext *ctx, struct gl_texture_image *ti)
{
struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
if (s->bo)
nouveau_bo_unmap(s->bo);
ti->Data = NULL;
}
static gl_format
nouveau_choose_tex_format(GLcontext *ctx, GLint internalFormat,
GLenum srcFormat, GLenum srcType)
{
switch (internalFormat) {
case 4:
case GL_RGBA:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
case GL_RGBA8:
case GL_RGB:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
return MESA_FORMAT_ARGB8888;
case GL_RGB5_A1:
return MESA_FORMAT_ARGB1555;
case 3:
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
return MESA_FORMAT_RGB565;
case GL_ALPHA:
case GL_ALPHA4:
case GL_ALPHA12:
case GL_ALPHA16:
case GL_ALPHA8:
return MESA_FORMAT_A8;
case 1:
case GL_LUMINANCE:
case GL_LUMINANCE4:
case GL_LUMINANCE12:
case GL_LUMINANCE16:
case GL_LUMINANCE8:
return MESA_FORMAT_L8;
case 2:
case GL_LUMINANCE_ALPHA:
case GL_LUMINANCE4_ALPHA4:
case GL_LUMINANCE6_ALPHA2:
case GL_LUMINANCE12_ALPHA4:
case GL_LUMINANCE12_ALPHA12:
case GL_LUMINANCE16_ALPHA16:
case GL_LUMINANCE8_ALPHA8:
return MESA_FORMAT_ARGB8888;
case GL_INTENSITY:
case GL_INTENSITY4:
case GL_INTENSITY12:
case GL_INTENSITY16:
case GL_INTENSITY8:
return MESA_FORMAT_I8;
case GL_COLOR_INDEX:
case GL_COLOR_INDEX1_EXT:
case GL_COLOR_INDEX2_EXT:
case GL_COLOR_INDEX4_EXT:
case GL_COLOR_INDEX12_EXT:
case GL_COLOR_INDEX16_EXT:
case GL_COLOR_INDEX8_EXT:
return MESA_FORMAT_CI8;
default:
assert(0);
}
}
static GLboolean
teximage_fits(struct gl_texture_object *t, int level,
struct gl_texture_image *ti)
{
struct nouveau_surface *s = &to_nouveau_texture(t)->surfaces[level];
return t->Target == GL_TEXTURE_RECTANGLE ||
(s->bo && s->width == ti->Width &&
s->height == ti->Height &&
s->format == ti->TexFormat);
}
static GLboolean
validate_teximage(GLcontext *ctx, struct gl_texture_object *t,
int level, int x, int y, int z,
int width, int height, int depth)
{
struct gl_texture_image *ti = t->Image[0][level];
if (ti && teximage_fits(t, level, ti)) {
struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
if (t->Target == GL_TEXTURE_RECTANGLE)
nouveau_surface_ref(s, &ss[level]);
else
context_drv(ctx)->surface_copy(ctx, &ss[level], s,
x, y, x, y,
width, height);
return GL_TRUE;
}
return GL_FALSE;
}
static int
get_last_level(struct gl_texture_object *t)
{
struct gl_texture_image *base = t->Image[0][t->BaseLevel];
if (t->MinFilter == GL_NEAREST ||
t->MinFilter == GL_LINEAR || !base)
return t->BaseLevel;
else
return MIN2(t->BaseLevel + base->MaxLog2, t->MaxLevel);
}
static void
relayout_texture(GLcontext *ctx, struct gl_texture_object *t)
{
struct gl_texture_image *base = t->Image[0][t->BaseLevel];
if (base && t->Target != GL_TEXTURE_RECTANGLE) {
struct nouveau_surface *ss = to_nouveau_texture(t)->surfaces;
struct nouveau_surface *s = &to_nouveau_teximage(base)->surface;
int i, ret, last = get_last_level(t);
unsigned size, offset = 0,
width = s->width,
height = s->height;
/* Deallocate the old storage. */
for (i = 0; i < MAX_TEXTURE_LEVELS; i++)
nouveau_bo_ref(NULL, &ss[i].bo);
/* Relayout the mipmap tree. */
for (i = t->BaseLevel; i <= last; i++) {
size = width * height * s->cpp;
/* Images larger than 16B have to be aligned. */
if (size > 16)
offset = align(offset, 64);
ss[i] = (struct nouveau_surface) {
.offset = offset,
.layout = SWIZZLED,
.format = s->format,
.width = width,
.height = height,
.cpp = s->cpp,
.pitch = width * s->cpp,
};
offset += size;
width = MAX2(1, width / 2);
height = MAX2(1, height / 2);
}
/* Get new storage. */
size = align(offset, 64);
ret = nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_MAP |
NOUVEAU_BO_GART | NOUVEAU_BO_VRAM,
0, size, &ss[last].bo);
assert(!ret);
for (i = t->BaseLevel; i < last; i++)
nouveau_bo_ref(ss[last].bo, &ss[i].bo);
}
}
GLboolean
nouveau_texture_validate(GLcontext *ctx, struct gl_texture_object *t)
{
struct nouveau_texture *nt = to_nouveau_texture(t);
int i, last = get_last_level(t);
if (!nt->surfaces[last].bo)
return GL_FALSE;
if (nt->dirty) {
nt->dirty = GL_FALSE;
/* Copy the teximages to the actual miptree. */
for (i = t->BaseLevel; i <= last; i++) {
struct nouveau_surface *s = &nt->surfaces[i];
validate_teximage(ctx, t, i, 0, 0, 0,
s->width, s->height, 1);
}
}
return GL_TRUE;
}
void
nouveau_texture_reallocate(GLcontext *ctx, struct gl_texture_object *t)
{
texture_dirty(t);
relayout_texture(ctx, t);
nouveau_texture_validate(ctx, t);
}
static unsigned
get_teximage_placement(struct gl_texture_image *ti)
{
if (ti->TexFormat == MESA_FORMAT_A8 ||
ti->TexFormat == MESA_FORMAT_L8 ||
ti->TexFormat == MESA_FORMAT_I8)
/* 1 cpp formats will have to be swizzled by the CPU,
* so leave them in system RAM for now. */
return NOUVEAU_BO_MAP;
else
return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
}
static void
nouveau_teximage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint depth, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
struct nouveau_surface *s = &to_nouveau_teximage(ti)->surface;
int ret;
/* Allocate a new bo for the image. */
nouveau_surface_alloc(ctx, s, LINEAR, get_teximage_placement(ti),
ti->TexFormat, width, height);
ti->RowStride = s->pitch / s->cpp;
pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
format, type, pixels, packing,
"glTexImage");
if (pixels) {
/* Store the pixel data. */
nouveau_teximage_map(ctx, ti);
ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
ti->TexFormat, ti->Data,
0, 0, 0, s->pitch,
ti->ImageOffsets,
width, height, depth,
format, type, pixels, packing);
assert(ret);
nouveau_teximage_unmap(ctx, ti);
_mesa_unmap_teximage_pbo(ctx, packing);
if (!validate_teximage(ctx, t, level, 0, 0, 0,
width, height, depth))
/* It doesn't fit, mark it as dirty. */
texture_dirty(t);
}
if (level == t->BaseLevel) {
if (!teximage_fits(t, level, ti))
relayout_texture(ctx, t);
nouveau_texture_validate(ctx, t);
}
context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
}
static void
nouveau_teximage_1d(GLcontext *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage(ctx, 1, target, level, internalFormat,
width, 1, 1, border, format, type, pixels,
packing, t, ti);
}
static void
nouveau_teximage_2d(GLcontext *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage(ctx, 2, target, level, internalFormat,
width, height, 1, border, format, type, pixels,
packing, t, ti);
}
static void
nouveau_teximage_3d(GLcontext *ctx, GLenum target, GLint level,
GLint internalFormat,
GLint width, GLint height, GLint depth, GLint border,
GLenum format, GLenum type, const GLvoid *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage(ctx, 3, target, level, internalFormat,
width, height, depth, border, format, type, pixels,
packing, t, ti);
}
static void
nouveau_texsubimage_3d(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint width, GLint height, GLint depth,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage_map(ctx, ti);
_mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
width, height, depth, format, type, pixels,
packing, t, ti);
nouveau_teximage_unmap(ctx, ti);
if (!to_nouveau_texture(t)->dirty)
validate_teximage(ctx, t, level, xoffset, yoffset, zoffset,
width, height, depth);
}
static void
nouveau_texsubimage_2d(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint width, GLint height,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage_map(ctx, ti);
_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset,
width, height, format, type, pixels,
packing, t, ti);
nouveau_teximage_unmap(ctx, ti);
if (!to_nouveau_texture(t)->dirty)
validate_teximage(ctx, t, level, xoffset, yoffset, 0,
width, height, 1);
}
static void
nouveau_texsubimage_1d(GLcontext *ctx, GLenum target, GLint level,
GLint xoffset, GLint width,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage_map(ctx, ti);
_mesa_store_texsubimage1d(ctx, target, level, xoffset,
width, format, type, pixels,
packing, t, ti);
nouveau_teximage_unmap(ctx, ti);
if (!to_nouveau_texture(t)->dirty)
validate_teximage(ctx, t, level, xoffset, 0, 0,
width, 1, 1);
}
static void
nouveau_get_teximage(GLcontext *ctx, GLenum target, GLint level,
GLenum format, GLenum type, GLvoid *pixels,
struct gl_texture_object *t,
struct gl_texture_image *ti)
{
nouveau_teximage_map(ctx, ti);
_mesa_get_teximage(ctx, target, level, format, type, pixels,
t, ti);
nouveau_teximage_unmap(ctx, ti);
}
static void
nouveau_bind_texture(GLcontext *ctx, GLenum target,
struct gl_texture_object *t)
{
context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
}
static gl_format
get_texbuffer_format(struct gl_renderbuffer *rb, GLint format)
{
struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface;
if (s->cpp < 4)
return s->format;
else if (format == __DRI_TEXTURE_FORMAT_RGBA)
return MESA_FORMAT_ARGB8888;
else
return MESA_FORMAT_XRGB8888;
}
void
nouveau_set_texbuffer(__DRIcontext *dri_ctx,
GLint target, GLint format,
__DRIdrawable *draw)
{
struct nouveau_context *nctx = dri_ctx->driverPrivate;
GLcontext *ctx = &nctx->base;
struct gl_framebuffer *fb = draw->driverPrivate;
struct gl_renderbuffer *rb =
fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
struct gl_texture_object *t = _mesa_get_current_tex_object(ctx, target);
struct gl_texture_image *ti;
struct nouveau_surface *s;
_mesa_lock_texture(ctx, t);
ti = _mesa_get_tex_image(ctx, t, target, 0);
s = &to_nouveau_teximage(ti)->surface;
/* Update the texture surface with the given drawable. */
nouveau_update_renderbuffers(dri_ctx, draw);
nouveau_surface_ref(&to_nouveau_renderbuffer(rb)->surface, s);
/* Update the image fields. */
_mesa_init_teximage_fields(ctx, target, ti, s->width, s->height,
1, 0, s->cpp);
ti->RowStride = s->pitch / s->cpp;
ti->TexFormat = s->format = get_texbuffer_format(rb, format);
/* Try to validate it. */
if (!validate_teximage(ctx, t, 0, 0, 0, 0, s->width, s->height, 1))
nouveau_texture_reallocate(ctx, t);
context_dirty_i(ctx, TEX_OBJ, ctx->Texture.CurrentUnit);
context_dirty_i(ctx, TEX_ENV, ctx->Texture.CurrentUnit);
_mesa_unlock_texture(ctx, t);
}
static void
nouveau_texture_map(GLcontext *ctx, struct gl_texture_object *t)
{
int i;
for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
if (t->Image[0][i])
nouveau_teximage_map(ctx, t->Image[0][i]);
}
}
static void
nouveau_texture_unmap(GLcontext *ctx, struct gl_texture_object *t)
{
int i;
for (i = t->BaseLevel; i < t->_MaxLevel; i++) {
if (t->Image[0][i])
nouveau_teximage_unmap(ctx, t->Image[0][i]);
}
}
void
nouveau_texture_functions_init(struct dd_function_table *functions)
{
functions->NewTextureObject = nouveau_texture_new;
functions->DeleteTexture = nouveau_texture_free;
functions->NewTextureImage = nouveau_teximage_new;
functions->FreeTexImageData = nouveau_teximage_free;
functions->ChooseTextureFormat = nouveau_choose_tex_format;
functions->TexImage1D = nouveau_teximage_1d;
functions->TexImage2D = nouveau_teximage_2d;
functions->TexImage3D = nouveau_teximage_3d;
functions->TexSubImage1D = nouveau_texsubimage_1d;
functions->TexSubImage2D = nouveau_texsubimage_2d;
functions->TexSubImage3D = nouveau_texsubimage_3d;
functions->GetTexImage = nouveau_get_teximage;
functions->BindTexture = nouveau_bind_texture;
functions->MapTexture = nouveau_texture_map;
functions->UnmapTexture = nouveau_texture_unmap;
}
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