static void
nouveau_framebuffer_renderbuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
GLenum attachment, struct gl_renderbuffer *rb)
{
_mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
context_dirty(ctx, FRAMEBUFFER);
}
void
brw_meta_resolve_color(struct brw_context *brw,
struct intel_mipmap_tree *mt)
{
struct gl_context *ctx = &brw->ctx;
GLuint fbo;
struct gl_renderbuffer *rb;
struct rect rect;
brw_emit_mi_flush(brw);
_mesa_meta_begin(ctx, MESA_META_ALL);
_mesa_GenFramebuffers(1, &fbo);
rb = brw_get_rb_for_slice(brw, mt, 0, 0, false);
_mesa_BindFramebuffer(GL_DRAW_FRAMEBUFFER, fbo);
_mesa_framebuffer_renderbuffer(ctx, ctx->DrawBuffer, GL_COLOR_ATTACHMENT0,
rb);
_mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
brw_fast_clear_init(brw);
use_rectlist(brw, true);
brw_bind_rep_write_shader(brw, (float *) fast_clear_color);
/* SKL+ also has a resolve mode for compressed render targets and thus more
* bits to let us select the type of resolve. For fast clear resolves, it
* turns out we can use the same value as pre-SKL though.
*/
if (intel_miptree_is_lossless_compressed(brw, mt))
set_fast_clear_op(brw, GEN9_PS_RENDER_TARGET_RESOLVE_FULL);
else
set_fast_clear_op(brw, GEN7_PS_RENDER_TARGET_RESOLVE_ENABLE);
mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_RESOLVED;
get_resolve_rect(brw, mt, &rect);
brw_draw_rectlist(brw, &rect, 1);
set_fast_clear_op(brw, 0);
use_rectlist(brw, false);
_mesa_reference_renderbuffer(&rb, NULL);
_mesa_DeleteFramebuffers(1, &fbo);
_mesa_meta_end(ctx);
/* We're typically called from intel_update_state() and we're supposed to
* return with the state all updated to what it was before
* brw_meta_resolve_color() was called. The meta rendering will have
* messed up the state and we need to call _mesa_update_state() again to
* get back to where we were supposed to be when resolve was called.
*/
if (ctx->NewState)
_mesa_update_state(ctx);
}
/**
* Called via glFramebufferRenderbufferEXT().
*/
static void
intel_framebuffer_renderbuffer(struct gl_context * ctx,
struct gl_framebuffer *fb,
GLenum attachment, struct gl_renderbuffer *rb)
{
DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0);
_mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
intel_draw_buffer(ctx);
}
static void
radeon_framebuffer_renderbuffer(struct gl_context * ctx,
struct gl_framebuffer *fb,
GLenum attachment, struct gl_renderbuffer *rb)
{
if (ctx->Driver.Flush)
ctx->Driver.Flush(ctx); /* +r6/r7 */
radeon_print(RADEON_TEXTURE, RADEON_TRACE,
"%s(%p, fb %p, rb %p) \n",
__func__, ctx, fb, rb);
_mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb);
radeon_draw_buffer(ctx, fb);
}
/** A partial implementation of glCopyImageSubData
*
* This is a partial implementation of glCopyImageSubData that works only
* if both textures are uncompressed and the destination texture is
* renderable. It uses a slight abuse of a texture view (see make_view) to
* turn the source texture into the destination texture type and then uses
* _mesa_meta_BlitFramebuffers to do the copy.
*/
bool
_mesa_meta_CopyImageSubData_uncompressed(struct gl_context *ctx,
struct gl_texture_image *src_tex_image,
struct gl_renderbuffer *src_renderbuffer,
int src_x, int src_y, int src_z,
struct gl_texture_image *dst_tex_image,
struct gl_renderbuffer *dst_renderbuffer,
int dst_x, int dst_y, int dst_z,
int src_width, int src_height)
{
mesa_format src_format, dst_format;
GLint src_internal_format, dst_internal_format;
GLuint src_view_texture = 0;
struct gl_texture_image *src_view_tex_image;
struct gl_framebuffer *readFb;
struct gl_framebuffer *drawFb = NULL;
bool success = false;
GLbitfield mask;
GLenum status, attachment;
if (src_renderbuffer) {
src_format = src_renderbuffer->Format;
src_internal_format = src_renderbuffer->InternalFormat;
} else {
assert(src_tex_image);
src_format = src_tex_image->TexFormat;
src_internal_format = src_tex_image->InternalFormat;
}
if (dst_renderbuffer) {
dst_format = dst_renderbuffer->Format;
dst_internal_format = dst_renderbuffer->InternalFormat;
} else {
assert(dst_tex_image);
dst_format = dst_tex_image->TexFormat;
dst_internal_format = dst_tex_image->InternalFormat;
}
if (_mesa_is_format_compressed(src_format))
return false;
if (_mesa_is_format_compressed(dst_format))
return false;
if (src_internal_format == dst_internal_format) {
src_view_tex_image = src_tex_image;
} else {
if (src_renderbuffer) {
assert(src_tex_image == NULL);
src_tex_image = wrap_renderbuffer(ctx, src_renderbuffer);
}
if (!make_view(ctx, src_tex_image, &src_view_tex_image, &src_view_texture,
dst_internal_format))
goto cleanup;
}
/* We really only need to stash the bound framebuffers and scissor. */
_mesa_meta_begin(ctx, MESA_META_SCISSOR);
readFb = ctx->Driver.NewFramebuffer(ctx, 0xDEADBEEF);
if (readFb == NULL)
goto meta_end;
drawFb = ctx->Driver.NewFramebuffer(ctx, 0xDEADBEEF);
if (drawFb == NULL)
goto meta_end;
_mesa_bind_framebuffers(ctx, drawFb, readFb);
switch (_mesa_get_format_base_format(src_format)) {
case GL_DEPTH_COMPONENT:
attachment = GL_DEPTH_ATTACHMENT;
mask = GL_DEPTH_BUFFER_BIT;
break;
case GL_DEPTH_STENCIL:
attachment = GL_DEPTH_STENCIL_ATTACHMENT;
mask = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
break;
case GL_STENCIL_INDEX:
attachment = GL_STENCIL_ATTACHMENT;
mask = GL_STENCIL_BUFFER_BIT;
break;
default:
attachment = GL_COLOR_ATTACHMENT0;
mask = GL_COLOR_BUFFER_BIT;
_mesa_DrawBuffer(GL_COLOR_ATTACHMENT0);
_mesa_ReadBuffer(GL_COLOR_ATTACHMENT0);
}
if (src_view_tex_image) {
/* Prefer the tex image because, even if we have a renderbuffer, we may
* have had to wrap it in a texture view.
*/
_mesa_meta_framebuffer_texture_image(ctx, ctx->ReadBuffer, attachment,
src_view_tex_image, src_z);
} else {
_mesa_framebuffer_renderbuffer(ctx, ctx->ReadBuffer, attachment,
src_renderbuffer);
}
status = _mesa_check_framebuffer_status(ctx, ctx->ReadBuffer);
if (status != GL_FRAMEBUFFER_COMPLETE)
goto meta_end;
if (dst_renderbuffer) {
_mesa_framebuffer_renderbuffer(ctx, ctx->DrawBuffer, attachment,
dst_renderbuffer);
} else {
_mesa_meta_framebuffer_texture_image(ctx, ctx->DrawBuffer, attachment,
dst_tex_image, dst_z);
}
status = _mesa_check_framebuffer_status(ctx, ctx->DrawBuffer);
if (status != GL_FRAMEBUFFER_COMPLETE)
goto meta_end;
/* Explicitly disable sRGB encoding */
ctx->DrawBuffer->Visual.sRGBCapable = false;
/* Since we've bound a new draw framebuffer, we need to update its
* derived state -- _Xmin, etc -- for BlitFramebuffer's clipping to
* be correct.
*/
_mesa_update_state(ctx);
/* We skip the core BlitFramebuffer checks for format consistency.
* We have already created views to ensure that the texture formats
* match.
*/
ctx->Driver.BlitFramebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
src_x, src_y,
src_x + src_width, src_y + src_height,
dst_x, dst_y,
dst_x + src_width, dst_y + src_height,
mask, GL_NEAREST);
success = true;
meta_end:
_mesa_reference_framebuffer(&readFb, NULL);
_mesa_reference_framebuffer(&drawFb, NULL);
_mesa_meta_end(ctx);
cleanup:
_mesa_DeleteTextures(1, &src_view_texture);
/* If we got a renderbuffer source, delete the temporary texture */
if (src_renderbuffer && src_tex_image)
ctx->Driver.DeleteTexture(ctx, src_tex_image->TexObject);
return success;
}