static GLboolean
nouveau_bufferobj_data(struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
const GLvoid *data, GLenum usage,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
int ret;
obj->Size = size;
obj->Usage = usage;
/* Free previous storage */
nouveau_bo_ref(NULL, &nbo->bo);
FREE(nbo->sys);
if (target == GL_ELEMENT_ARRAY_BUFFER_ARB ||
(size < 512 && usage == GL_DYNAMIC_DRAW_ARB) ||
context_chipset(ctx) < 0x10) {
/* Heuristic: keep it in system ram */
nbo->sys = MALLOC(size);
} else {
/* Get a hardware BO */
ret = nouveau_bo_new(context_dev(ctx),
NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
size, &nbo->bo);
assert(!ret);
}
if (data)
memcpy(get_bufferobj_map(obj, NOUVEAU_BO_WR), data, size);
return GL_TRUE;
}
static GLboolean
nouveau_bufferobj_data(GLcontext *ctx, GLenum target, GLsizeiptrARB size,
const GLvoid *data, GLenum usage,
struct gl_buffer_object *obj)
{
struct nouveau_bufferobj *nbo = to_nouveau_bufferobj(obj);
int ret;
obj->Size = size;
obj->Usage = usage;
nouveau_bo_ref(NULL, &nbo->bo);
ret = nouveau_bo_new(context_dev(ctx),
NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
size, &nbo->bo);
assert(!ret);
if (data) {
nouveau_bo_map(nbo->bo, NOUVEAU_BO_WR);
memcpy(nbo->bo->map, data, size);
nouveau_bo_unmap(nbo->bo);
}
return GL_TRUE;
}
static void
setup_hierz_buffer(struct gl_context *ctx)
{
struct nouveau_channel *chan = context_chan(ctx);
struct nouveau_grobj *celsius = context_eng3d(ctx);
struct nouveau_bo_context *bctx = context_bctx(ctx, HIERZ);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
unsigned pitch = align(fb->Width, 128),
height = align(fb->Height, 2),
size = pitch * height;
if (!nfb->hierz.bo || nfb->hierz.bo->size != size) {
nouveau_bo_ref(NULL, &nfb->hierz.bo);
nouveau_bo_new_tile(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
0, NOUVEAU_BO_TILE_ZETA, &nfb->hierz.bo);
}
nouveau_bo_markl(bctx, celsius, NV17_3D_HIERZ_OFFSET,
nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
WAIT_RING(chan, 9);
BEGIN_RING(chan, celsius, NV17_3D_HIERZ_WINDOW_X, 4);
OUT_RINGf(chan, - 1792);
OUT_RINGf(chan, - 2304 + fb->Height);
OUT_RINGf(chan, fb->_DepthMaxF / 2);
OUT_RINGf(chan, 0);
BEGIN_RING(chan, celsius, NV17_3D_HIERZ_PITCH, 1);
OUT_RING(chan, pitch);
BEGIN_RING(chan, celsius, NV17_3D_HIERZ_ENABLE, 1);
OUT_RING(chan, 1);
}
GLboolean
nouveau_context_create(gl_api api,
const struct gl_config *visual, __DRIcontext *dri_ctx,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
bool notify_reset,
unsigned *error,
void *share_ctx)
{
__DRIscreen *dri_screen = dri_ctx->driScreenPriv;
struct nouveau_screen *screen = dri_screen->driverPrivate;
struct nouveau_context *nctx;
struct gl_context *ctx;
if (flags & ~__DRI_CTX_FLAG_DEBUG) {
*error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
return false;
}
if (notify_reset) {
*error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
return false;
}
ctx = screen->driver->context_create(screen, visual, share_ctx);
if (!ctx) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
driContextSetFlags(ctx, flags);
nctx = to_nouveau_context(ctx);
nctx->dri_context = dri_ctx;
dri_ctx->driverPrivate = ctx;
_mesa_compute_version(ctx);
if (ctx->Version < major_version * 10 + minor_version) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
/* Exec table initialization requires the version to be computed */
_mesa_initialize_dispatch_tables(ctx);
_mesa_initialize_vbo_vtxfmt(ctx);
if (nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, 4096,
NULL, &nctx->fence)) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static void
setup_hierz_buffer(struct gl_context *ctx)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
unsigned pitch = align(fb->Width, 128),
height = align(fb->Height, 2),
size = pitch * height;
if (!nfb->hierz.bo || nfb->hierz.bo->size != size) {
nouveau_bo_ref(NULL, &nfb->hierz.bo);
nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
NULL, &nfb->hierz.bo);
}
BEGIN_NV04(push, NV25_3D(HIERZ_PITCH), 1);
PUSH_DATA (push, pitch);
BEGIN_NV04(push, NV25_3D(HIERZ_OFFSET), 1);
PUSH_MTHDl(push, NV25_3D(HIERZ_OFFSET), BUFCTX_FB,
nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
}
GLboolean
nouveau_context_init(struct gl_context *ctx, gl_api api,
struct nouveau_screen *screen,
const struct gl_config *visual, struct gl_context *share_ctx)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct dd_function_table functions;
int ret;
nctx->screen = screen;
nctx->fallback = HWTNL;
/* Initialize the function pointers. */
_mesa_init_driver_functions(&functions);
nouveau_driver_functions_init(&functions);
nouveau_bufferobj_functions_init(&functions);
nouveau_texture_functions_init(&functions);
nouveau_fbo_functions_init(&functions);
/* Initialize the mesa context. */
if (!_mesa_initialize_context(ctx, api, visual, share_ctx, &functions))
return GL_FALSE;
nouveau_state_init(ctx);
nouveau_scratch_init(ctx);
_mesa_meta_init(ctx);
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
nouveau_span_functions_init(ctx);
_mesa_allow_light_in_model(ctx, GL_FALSE);
/* Allocate a hardware channel. */
ret = nouveau_object_new(&context_dev(ctx)->object, 0xbeef0000,
NOUVEAU_FIFO_CHANNEL_CLASS,
&(struct nv04_fifo){
.vram = 0xbeef0201,
.gart = 0xbeef0202
}, sizeof(struct nv04_fifo), &nctx->hw.chan);
GLboolean
nouveau_context_create(gl_api api,
const struct gl_config *visual, __DRIcontext *dri_ctx,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *share_ctx)
{
__DRIscreen *dri_screen = dri_ctx->driScreenPriv;
struct nouveau_screen *screen = dri_screen->driverPrivate;
struct nouveau_context *nctx;
struct gl_context *ctx;
switch (api) {
case API_OPENGL:
/* Do after-the-fact version checking (below).
*/
break;
case API_OPENGLES:
/* NV10 and NV20 can support OpenGL ES 1.0 only. Older chips
* cannot do even that.
*/
if ((screen->device->chipset & 0xf0) == 0x00) {
*error = __DRI_CTX_ERROR_BAD_API;
return GL_FALSE;
} else if (minor_version != 0) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
break;
case API_OPENGLES2:
case API_OPENGL_CORE:
*error = __DRI_CTX_ERROR_BAD_API;
return GL_FALSE;
}
/* API and flag filtering is handled in dri2CreateContextAttribs.
*/
(void) flags;
ctx = screen->driver->context_create(screen, visual, share_ctx);
if (!ctx) {
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
nctx = to_nouveau_context(ctx);
nctx->dri_context = dri_ctx;
dri_ctx->driverPrivate = ctx;
_mesa_compute_version(ctx);
if (ctx->Version < major_version * 10 + minor_version) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_BAD_VERSION;
return GL_FALSE;
}
if (nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, 4096,
NULL, &nctx->fence)) {
nouveau_context_destroy(dri_ctx);
*error = __DRI_CTX_ERROR_NO_MEMORY;
return GL_FALSE;
}
*error = __DRI_CTX_ERROR_SUCCESS;
return GL_TRUE;
}
static void
setup_hierz_buffer(struct gl_context *ctx)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
unsigned pitch = align(fb->Width, 128),
height = align(fb->Height, 2),
size = pitch * height;
if (!nfb->hierz.bo || nfb->hierz.bo->size != size) {
union nouveau_bo_config config = {
.nv04.surf_flags = NV04_BO_ZETA,
.nv04.surf_pitch = 0
};
nouveau_bo_ref(NULL, &nfb->hierz.bo);
nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
&config, &nfb->hierz.bo);
}
PUSH_SPACE(push, 11);
BEGIN_NV04(push, NV17_3D(HIERZ_OFFSET), 1);
PUSH_MTHDl(push, NV17_3D(HIERZ_OFFSET), BUFCTX_FB,
nfb->hierz.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
BEGIN_NV04(push, NV17_3D(HIERZ_WINDOW_X), 4);
PUSH_DATAf(push, - 1792);
PUSH_DATAf(push, - 2304 + fb->Height);
PUSH_DATAf(push, fb->_DepthMaxF / 2);
PUSH_DATAf(push, 0);
BEGIN_NV04(push, NV17_3D(HIERZ_PITCH), 1);
PUSH_DATA (push, pitch);
BEGIN_NV04(push, NV17_3D(HIERZ_ENABLE), 1);
PUSH_DATA (push, 1);
}
void
nv10_emit_framebuffer(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct nouveau_surface *s;
unsigned rt_format = NV10_3D_RT_FORMAT_TYPE_LINEAR;
unsigned rt_pitch = 0, zeta_pitch = 0;
unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
return;
PUSH_RESET(push, BUFCTX_FB);
/* At least nv11 seems to get sad if we don't do this before
* swapping RTs.*/
if (context_eng3d(ctx)->oclass < NV17_3D_CLASS) {
int i;
for (i = 0; i < 6; i++) {
BEGIN_NV04(push, NV04_GRAPH(3D, NOP), 1);
PUSH_DATA (push, 0);
}
}
/* Render target */
if (fb->_ColorDrawBuffers[0]) {
s = &to_nouveau_renderbuffer(
fb->_ColorDrawBuffers[0])->surface;
rt_format |= get_rt_format(s->format);
zeta_pitch = rt_pitch = s->pitch;
BEGIN_NV04(push, NV10_3D(COLOR_OFFSET), 1);
PUSH_MTHDl(push, NV10_3D(COLOR_OFFSET), BUFCTX_FB,
s->bo, 0, bo_flags);
}
/* depth/stencil */
if (fb->Attachment[BUFFER_DEPTH].Renderbuffer) {
s = &to_nouveau_renderbuffer(
fb->Attachment[BUFFER_DEPTH].Renderbuffer)->surface;
rt_format |= get_rt_format(s->format);
zeta_pitch = s->pitch;
BEGIN_NV04(push, NV10_3D(ZETA_OFFSET), 1);
PUSH_MTHDl(push, NV10_3D(ZETA_OFFSET), BUFCTX_FB,
s->bo, 0, bo_flags);
if (context_eng3d(ctx)->oclass >= NV17_3D_CLASS) {
setup_hierz_buffer(ctx);
context_dirty(ctx, ZCLEAR);
}
}
BEGIN_NV04(push, NV10_3D(RT_FORMAT), 2);
PUSH_DATA (push, rt_format);
PUSH_DATA (push, zeta_pitch << 16 | rt_pitch);
context_dirty(ctx, VIEWPORT);
context_dirty(ctx, SCISSOR);
context_dirty(ctx, DEPTH);
}
void
nv10_emit_render_mode(struct gl_context *ctx, int emit)
{
}
void
nv10_emit_scissor(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
int x, y, w, h;
get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);
BEGIN_NV04(push, NV10_3D(RT_HORIZ), 2);
PUSH_DATA (push, w << 16 | x);
PUSH_DATA (push, h << 16 | y);
}
void
nv10_emit_viewport(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
struct gl_viewport_attrib *vp = &ctx->ViewportArray[0];
struct gl_framebuffer *fb = ctx->DrawBuffer;
float a[4] = {};
get_viewport_translate(ctx, a);
a[0] -= 2048;
a[1] -= 2048;
if (nv10_use_viewport_zclear(ctx))
a[2] = nv10_transform_depth(ctx, (vp->Far + vp->Near) / 2);
BEGIN_NV04(push, NV10_3D(VIEWPORT_TRANSLATE_X), 4);
PUSH_DATAp(push, a, 4);
BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_HORIZ(0)), 1);
PUSH_DATA (push, (fb->Width - 1) << 16 | 0x08000800);
BEGIN_NV04(push, NV10_3D(VIEWPORT_CLIP_VERT(0)), 1);
PUSH_DATA (push, (fb->Height - 1) << 16 | 0x08000800);
context_dirty(ctx, PROJECTION);
}
void
nv10_emit_zclear(struct gl_context *ctx, int emit)
{
struct nouveau_context *nctx = to_nouveau_context(ctx);
struct nouveau_pushbuf *push = context_push(ctx);
struct nouveau_framebuffer *nfb =
to_nouveau_framebuffer(ctx->DrawBuffer);
if (nfb->hierz.bo) {
BEGIN_NV04(push, NV17_3D(ZCLEAR_ENABLE), 2);
PUSH_DATAb(push, !nctx->hierz.clear_blocked);
PUSH_DATA (push, nfb->hierz.clear_value |
(nctx->hierz.clear_seq & 0xff));
} else {
BEGIN_NV04(push, NV10_3D(DEPTH_RANGE_NEAR), 2);
PUSH_DATAf(push, nv10_transform_depth(ctx, 0));
PUSH_DATAf(push, nv10_transform_depth(ctx, 1));
context_dirty(ctx, VIEWPORT);
}
}
