static __DRIimage *
radeon_create_image_from_renderbuffer(__DRIcontext *context,
int renderbuffer, void *loaderPrivate)
{
__DRIimage *image;
radeonContextPtr radeon = context->driverPrivate;
struct gl_renderbuffer *rb;
struct radeon_renderbuffer *rrb;
rb = _mesa_lookup_renderbuffer(&radeon->glCtx, renderbuffer);
if (!rb) {
_mesa_error(&radeon->glCtx,
GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
return NULL;
}
rrb = radeon_renderbuffer(rb);
image = calloc(1, sizeof *image);
if (image == NULL)
return NULL;
image->internal_format = rb->InternalFormat;
image->format = rb->Format;
image->cpp = rrb->cpp;
image->data_type = GL_UNSIGNED_BYTE;
image->data = loaderPrivate;
radeon_bo_ref(rrb->bo);
image->bo = rrb->bo;
image->width = rb->Width;
image->height = rb->Height;
image->pitch = rrb->pitch / image->cpp;
return image;
}
static void
radeon_renderbuffer_unmap(struct gl_context *ctx, struct gl_renderbuffer *rb)
{
struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
if (!rb || !rrb)
return;
ctx->Driver.UnmapRenderbuffer(ctx, rb);
rrb->base.Map = NULL;
rrb->base.RowStride = 0;
}
static void
radeon_delete_renderbuffer(struct gl_renderbuffer *rb)
{
struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
radeon_print(RADEON_TEXTURE, RADEON_TRACE,
"%s(rb %p, rrb %p) \n",
__func__, rb, rrb);
ASSERT(rrb);
if (rrb && rrb->bo) {
radeon_bo_unref(rrb->bo);
}
free(rrb);
}
static void
radeon_renderbuffer_map(struct gl_context *ctx, struct gl_renderbuffer *rb)
{
struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
GLubyte *map;
int stride;
if (!rb || !rrb)
return;
ctx->Driver.MapRenderbuffer(ctx, rb, 0, 0, rb->Width, rb->Height,
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT,
&map, &stride);
rrb->base.Map = map;
rrb->base.RowStride = stride;
/* No floating point color buffers, use GLubytes */
rrb->base.ColorType = GL_UNSIGNED_BYTE;
}
static void
radeon_image_target_renderbuffer_storage(struct gl_context *ctx,
struct gl_renderbuffer *rb,
void *image_handle)
{
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
struct radeon_renderbuffer *rrb;
__DRIscreen *screen;
__DRIimage *image;
screen = radeon->radeonScreen->driScreen;
image = screen->dri2.image->lookupEGLImage(screen, image_handle,
screen->loaderPrivate);
if (image == NULL)
return;
rrb = radeon_renderbuffer(rb);
if (ctx->Driver.Flush)
ctx->Driver.Flush(ctx); /* +r6/r7 */
if (rrb->bo)
radeon_bo_unref(rrb->bo);
rrb->bo = image->bo;
radeon_bo_ref(rrb->bo);
fprintf(stderr, "image->bo: %p, name: %d, rbs: w %d -> p %d\n", image->bo, image->bo->handle,
image->width, image->pitch);
rrb->cpp = image->cpp;
rrb->pitch = image->pitch * image->cpp;
rb->Format = image->format;
rb->InternalFormat = image->internal_format;
rb->Width = image->width;
rb->Height = image->height;
rb->Format = image->format;
rb->DataType = image->data_type;
rb->_BaseFormat = _mesa_base_fbo_format(radeon->glCtx,
image->internal_format);
}
static GLboolean
do_blit_readpixels(struct gl_context * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack, GLvoid * pixels)
{
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
const struct radeon_renderbuffer *rrb = radeon_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
const gl_format dst_format = gl_format_and_type_to_mesa_format(format, type);
unsigned dst_rowstride, dst_imagesize, aligned_rowstride, flip_y;
struct radeon_bo *dst_buffer;
GLint dst_x = 0, dst_y = 0;
intptr_t dst_offset;
/* It's not worth if number of pixels to copy is really small */
if (width * height < 100) {
return GL_FALSE;
}
if (dst_format == MESA_FORMAT_NONE ||
!radeon->vtbl.check_blit(dst_format) || !radeon->vtbl.blit) {
return GL_FALSE;
}
if (ctx->_ImageTransferState || ctx->Color._LogicOpEnabled) {
return GL_FALSE;
}
if (pack->SwapBytes || pack->LsbFirst) {
return GL_FALSE;
}
if (pack->RowLength > 0) {
dst_rowstride = pack->RowLength;
} else {
dst_rowstride = width;
}
if (!_mesa_clip_copytexsubimage(ctx, &dst_x, &dst_y, &x, &y, &width, &height)) {
return GL_TRUE;
}
assert(x >= 0 && y >= 0);
aligned_rowstride = get_texture_image_row_stride(radeon, dst_format, dst_rowstride, 0);
dst_rowstride *= _mesa_get_format_bytes(dst_format);
if (_mesa_is_bufferobj(pack->BufferObj) && aligned_rowstride != dst_rowstride)
return GL_FALSE;
dst_imagesize = get_texture_image_size(dst_format,
aligned_rowstride,
height, 1, 0);
if (!_mesa_is_bufferobj(pack->BufferObj))
{
dst_buffer = radeon_bo_open(radeon->radeonScreen->bom, 0, dst_imagesize, 1024, RADEON_GEM_DOMAIN_GTT, 0);
dst_offset = 0;
}
else
{
dst_buffer = get_radeon_buffer_object(pack->BufferObj)->bo;
dst_offset = (intptr_t)pixels;
}
/* Disable source Y flipping for FBOs */
flip_y = (ctx->ReadBuffer->Name == 0);
if (pack->Invert) {
y = rrb->base.Height - height - y;
flip_y = !flip_y;
}
if (radeon->vtbl.blit(ctx,
rrb->bo,
rrb->draw_offset,
rrb->base.Format,
rrb->pitch / rrb->cpp,
rrb->base.Width,
rrb->base.Height,
x,
y,
dst_buffer,
dst_offset,
dst_format,
aligned_rowstride / _mesa_get_format_bytes(dst_format),
width,
height,
0, /* dst_x */
0, /* dst_y */
width,
height,
flip_y))
{
if (!_mesa_is_bufferobj(pack->BufferObj))
{
radeon_bo_map(dst_buffer, 0);
copy_rows(pixels, dst_rowstride, dst_buffer->ptr,
aligned_rowstride, height, dst_rowstride);
radeon_bo_unmap(dst_buffer);
radeon_bo_unref(dst_buffer);
}
return GL_TRUE;
}
if (!_mesa_is_bufferobj(pack->BufferObj))
radeon_bo_unref(dst_buffer);
return GL_FALSE;
}
static GLboolean
do_copy_texsubimage(GLcontext *ctx,
GLenum target, GLint level,
struct radeon_tex_obj *tobj,
radeon_texture_image *timg,
GLint dstx, GLint dsty,
GLint x, GLint y,
GLsizei width, GLsizei height)
{
radeonContextPtr radeon = RADEON_CONTEXT(ctx);
struct radeon_renderbuffer *rrb;
unsigned src_bpp;
unsigned dst_bpp;
gl_format src_mesaformat;
gl_format dst_mesaformat;
unsigned src_width;
unsigned dst_width;
unsigned flip_y;
if (!radeon->vtbl.blit) {
return GL_FALSE;
}
if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) {
if (ctx->ReadBuffer->_DepthBuffer && ctx->ReadBuffer->_DepthBuffer->Wrapped) {
rrb = radeon_renderbuffer(ctx->ReadBuffer->_DepthBuffer->Wrapped);
} else {
rrb = radeon_renderbuffer(ctx->ReadBuffer->_DepthBuffer);
}
flip_y = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Type == GL_NONE;
} else {
rrb = radeon_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
flip_y = ctx->ReadBuffer->Attachment[BUFFER_COLOR0].Type == GL_NONE;
}
// This is software renderbuffer, fallback to swrast
if (!rrb) {
return GL_FALSE;
}
if (!timg->mt) {
radeon_validate_texture_miptree(ctx, &tobj->base);
}
assert(rrb->bo);
assert(timg->mt);
assert(timg->mt->bo);
assert(timg->base.Width >= dstx + width);
assert(timg->base.Height >= dsty + height);
intptr_t src_offset = rrb->draw_offset;
intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
if (0) {
fprintf(stderr, "%s: copying to face %d, level %d\n",
__FUNCTION__, _mesa_tex_target_to_face(target), level);
fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
x, y, rrb->base.Width, rrb->base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
}
src_mesaformat = rrb->base.Format;
dst_mesaformat = timg->base.TexFormat;
src_width = rrb->base.Width;
dst_width = timg->base.Width;
src_bpp = _mesa_get_format_bytes(src_mesaformat);
dst_bpp = _mesa_get_format_bytes(dst_mesaformat);
if (!radeon->vtbl.check_blit(dst_mesaformat)) {
/* depth formats tend to be special */
if (_mesa_get_format_bits(dst_mesaformat, GL_DEPTH_BITS) > 0)
return GL_FALSE;
if (src_bpp != dst_bpp)
return GL_FALSE;
switch (dst_bpp) {
case 2:
src_mesaformat = MESA_FORMAT_RGB565;
dst_mesaformat = MESA_FORMAT_RGB565;
break;
case 4:
src_mesaformat = MESA_FORMAT_ARGB8888;
dst_mesaformat = MESA_FORMAT_ARGB8888;
break;
case 1:
src_mesaformat = MESA_FORMAT_A8;
dst_mesaformat = MESA_FORMAT_A8;
break;
default:
return GL_FALSE;
}
}
/* blit from src buffer to texture */
return radeon->vtbl.blit(ctx, rrb->bo, src_offset, src_mesaformat, rrb->pitch/rrb->cpp,
src_width, rrb->base.Height, x, y,
timg->mt->bo, dst_offset, dst_mesaformat,
timg->mt->levels[level].rowstride / dst_bpp,
dst_width, timg->base.Height,
dstx, dsty, width, height, flip_y);
}
/**
* Called via glRenderbufferStorageEXT() to set the format and allocate
* storage for a user-created renderbuffer.
*/
static GLboolean
radeon_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
GLenum internalFormat,
GLuint width, GLuint height)
{
struct radeon_context *radeon = RADEON_CONTEXT(ctx);
struct radeon_renderbuffer *rrb = radeon_renderbuffer(rb);
GLboolean software_buffer = GL_FALSE;
int cpp;
radeon_print(RADEON_TEXTURE, RADEON_TRACE,
"%s(%p, rb %p) \n",
__func__, ctx, rb);
ASSERT(rb->Name != 0);
switch (internalFormat) {
case GL_R3_G3_B2:
case GL_RGB4:
case GL_RGB5:
rb->Format = _dri_texformat_rgb565;
rb->DataType = GL_UNSIGNED_BYTE;
cpp = 2;
break;
case GL_RGB:
case GL_RGB8:
case GL_RGB10:
case GL_RGB12:
case GL_RGB16:
rb->Format = _dri_texformat_argb8888;
rb->DataType = GL_UNSIGNED_BYTE;
cpp = 4;
break;
case GL_RGBA:
case GL_RGBA2:
case GL_RGBA4:
case GL_RGB5_A1:
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGBA12:
case GL_RGBA16:
rb->Format = _dri_texformat_argb8888;
rb->DataType = GL_UNSIGNED_BYTE;
cpp = 4;
break;
case GL_STENCIL_INDEX:
case GL_STENCIL_INDEX1_EXT:
case GL_STENCIL_INDEX4_EXT:
case GL_STENCIL_INDEX8_EXT:
case GL_STENCIL_INDEX16_EXT:
/* alloc a depth+stencil buffer */
rb->Format = MESA_FORMAT_S8_Z24;
rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
cpp = 4;
break;
case GL_DEPTH_COMPONENT16:
rb->Format = MESA_FORMAT_Z16;
rb->DataType = GL_UNSIGNED_SHORT;
cpp = 2;
break;
case GL_DEPTH_COMPONENT:
case GL_DEPTH_COMPONENT24:
case GL_DEPTH_COMPONENT32:
rb->Format = MESA_FORMAT_X8_Z24;
rb->DataType = GL_UNSIGNED_INT;
cpp = 4;
break;
case GL_DEPTH_STENCIL_EXT:
case GL_DEPTH24_STENCIL8_EXT:
rb->Format = MESA_FORMAT_S8_Z24;
rb->DataType = GL_UNSIGNED_INT_24_8_EXT;
cpp = 4;
break;
default:
_mesa_problem(ctx,
"Unexpected format in radeon_alloc_renderbuffer_storage");
return GL_FALSE;
}
rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
if (ctx->Driver.Flush)
ctx->Driver.Flush(ctx); /* +r6/r7 */
if (rrb->bo)
radeon_bo_unref(rrb->bo);
if (software_buffer) {
return _mesa_soft_renderbuffer_storage(ctx, rb, internalFormat,
width, height);
}
else {
uint32_t size;
uint32_t pitch = ((cpp * width + 63) & ~63) / cpp;
if (RADEON_DEBUG & RADEON_MEMORY)
fprintf(stderr,"Allocating %d x %d radeon RBO (pitch %d)\n", width,
height, pitch);
size = pitch * height * cpp;
rrb->pitch = pitch * cpp;
rrb->cpp = cpp;
rrb->bo = radeon_bo_open(radeon->radeonScreen->bom,
0,
size,
0,
RADEON_GEM_DOMAIN_VRAM,
0);
rb->Width = width;
rb->Height = height;
return GL_TRUE;
}
}
static void
radeon_render_texture(struct gl_context * ctx,
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att)
{
struct gl_texture_image *newImage
= att->Texture->Image[att->CubeMapFace][att->TextureLevel];
struct radeon_renderbuffer *rrb = radeon_renderbuffer(att->Renderbuffer);
radeon_texture_image *radeon_image;
GLuint imageOffset;
radeon_print(RADEON_TEXTURE, RADEON_TRACE,
"%s(%p, fb %p, rrb %p, att %p)\n",
__func__, ctx, fb, rrb, att);
(void) fb;
ASSERT(newImage);
radeon_image = (radeon_texture_image *)newImage;
if (!radeon_image->mt || newImage->Border != 0) {
/* Fallback on drawing to a texture without a miptree.
*/
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
_mesa_render_texture(ctx, fb, att);
return;
}
else if (!rrb) {
rrb = radeon_wrap_texture(ctx, newImage);
if (rrb) {
/* bind the wrapper to the attachment point */
_mesa_reference_renderbuffer(&att->Renderbuffer, &rrb->base);
}
else {
/* fallback to software rendering */
_mesa_render_texture(ctx, fb, att);
return;
}
}
if (!radeon_update_wrapper(ctx, rrb, newImage)) {
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
_mesa_render_texture(ctx, fb, att);
return;
}
DBG("Begin render texture tid %lx tex=%u w=%d h=%d refcount=%d\n",
_glthread_GetID(),
att->Texture->Name, newImage->Width, newImage->Height,
rrb->base.RefCount);
/* point the renderbufer's region to the texture image region */
if (rrb->bo != radeon_image->mt->bo) {
if (rrb->bo)
radeon_bo_unref(rrb->bo);
rrb->bo = radeon_image->mt->bo;
radeon_bo_ref(rrb->bo);
}
/* compute offset of the particular 2D image within the texture region */
imageOffset = radeon_miptree_image_offset(radeon_image->mt,
att->CubeMapFace,
att->TextureLevel);
if (att->Texture->Target == GL_TEXTURE_3D) {
imageOffset += radeon_image->mt->levels[att->TextureLevel].rowstride *
radeon_image->mt->levels[att->TextureLevel].height *
att->Zoffset;
}
/* store that offset in the region, along with the correct pitch for
* the image we are rendering to */
rrb->draw_offset = imageOffset;
rrb->pitch = radeon_image->mt->levels[att->TextureLevel].rowstride;
/* update drawing region, etc */
radeon_draw_buffer(ctx, fb);
}
