/**
 * Called via glMapBuffer() and glMapBufferRange()
 */
static void *
radeonMapBufferRange(struct gl_context * ctx,
		     GLintptr offset, GLsizeiptr length,
		     GLbitfield access, struct gl_buffer_object *obj)
{
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);
    const GLboolean write_only =
       (access & (GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)) == GL_MAP_WRITE_BIT;

    if (write_only) {
        ctx->Driver.Flush(ctx);
    }

    if (radeon_obj->bo == NULL) {
        obj->Pointer = NULL;
        return NULL;
    }

    obj->Offset = offset;
    obj->Length = length;
    obj->AccessFlags = access;

    radeon_bo_map(radeon_obj->bo, write_only);

    obj->Pointer = radeon_obj->bo->ptr + offset;
    return obj->Pointer;
}
/**
 * Called via glMapBufferARB()
 */
static void *
radeonMapBuffer(GLcontext * ctx,
                GLenum target,
                GLenum access,
                struct gl_buffer_object *obj)
{
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    if (access == GL_WRITE_ONLY_ARB) {
        ctx->Driver.Flush(ctx);
    }

    if (radeon_obj->bo == NULL) {
        obj->Pointer = NULL;
        return NULL;
    }

    radeon_bo_map(radeon_obj->bo, access == GL_WRITE_ONLY_ARB);

    obj->Pointer = radeon_obj->bo->ptr;
    obj->Length = obj->Size;
    obj->Offset = 0;

    return obj->Pointer;
}
/**
 * Called via glGetBufferSubDataARB()
 */
static void
radeonGetBufferSubData(struct gl_context * ctx,
                       GLintptrARB offset,
                       GLsizeiptrARB size,
                       GLvoid * data,
                       struct gl_buffer_object *obj)
{
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    radeon_bo_map(radeon_obj->bo, GL_FALSE);

    memcpy(data, radeon_obj->bo->ptr + offset, size);

    radeon_bo_unmap(radeon_obj->bo);
}
/**
 * Called via glDeleteBuffersARB().
 */
static void
radeonDeleteBufferObject(struct gl_context * ctx,
                         struct gl_buffer_object *obj)
{
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    if (obj->Pointer) {
        radeon_bo_unmap(radeon_obj->bo);
    }

    if (radeon_obj->bo) {
        radeon_bo_unref(radeon_obj->bo);
    }

    free(radeon_obj);
}
/**
 * Called via glUnmapBufferARB()
 */
static GLboolean
radeonUnmapBuffer(struct gl_context * ctx,
                  struct gl_buffer_object *obj)
{
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    if (radeon_obj->bo != NULL) {
        radeon_bo_unmap(radeon_obj->bo);
    }

    obj->Pointer = NULL;
    obj->Offset = 0;
    obj->Length = 0;

    return GL_TRUE;
}
/**
 * Replace data in a subrange of buffer object.  If the data range
 * specified by size + offset extends beyond the end of the buffer or
 * if data is NULL, no copy is performed.
 * Called via glBufferSubDataARB().
 */
static void
radeonBufferSubData(struct gl_context * ctx,
                    GLintptrARB offset,
                    GLsizeiptrARB size,
                    const GLvoid * data,
                    struct gl_buffer_object *obj)
{
    radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    if (radeon_bo_is_referenced_by_cs(radeon_obj->bo, radeon->cmdbuf.cs)) {
        radeon_firevertices(radeon);
    }

    radeon_bo_map(radeon_obj->bo, GL_TRUE);

    memcpy(radeon_obj->bo->ptr + offset, data, size);

    radeon_bo_unmap(radeon_obj->bo);
}
/**
 * Allocate space for and store data in a buffer object.  Any data that was
 * previously stored in the buffer object is lost.  If data is NULL,
 * memory will be allocated, but no copy will occur.
 * Called via ctx->Driver.BufferData().
 * \return GL_TRUE for success, GL_FALSE if out of memory
 */
static GLboolean
radeonBufferData(struct gl_context * ctx,
                 GLenum target,
                 GLsizeiptrARB size,
                 const GLvoid * data,
                 GLenum usage,
                 struct gl_buffer_object *obj)
{
    radeonContextPtr radeon = RADEON_CONTEXT(ctx);
    struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj);

    radeon_obj->Base.Size = size;
    radeon_obj->Base.Usage = usage;

    if (radeon_obj->bo != NULL) {
        radeon_bo_unref(radeon_obj->bo);
        radeon_obj->bo = NULL;
    }

    if (size != 0) {
        radeon_obj->bo = radeon_bo_open(radeon->radeonScreen->bom,
                                        0,
                                        size,
                                        32,
                                        RADEON_GEM_DOMAIN_GTT,
                                        0);

        if (!radeon_obj->bo)
            return GL_FALSE;

        if (data != NULL) {
            radeon_bo_map(radeon_obj->bo, GL_TRUE);

            memcpy(radeon_obj->bo->ptr, data, size);

            radeon_bo_unmap(radeon_obj->bo);
        }
    }
    return GL_TRUE;
}
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;
}
Exemple #9
0
static void evergreenSetupStreams(GLcontext *ctx, const struct gl_client_array *input[], int count)
{
	context_t *context = EVERGREEN_CONTEXT(ctx);
    GLuint stride;
    int ret;
    int i, index;

    EVERGREEN_STATECHANGE(context, vtx);

    for(index = 0; index < context->nNumActiveAos; index++) 
    {
        struct radeon_aos *aos = &context->radeon.tcl.aos[index];
        i = context->stream_desc[index].element;

        stride = (input[i]->StrideB == 0) ? getTypeSize(input[i]->Type) * input[i]->Size : input[i]->StrideB;

        if (input[i]->Type == GL_DOUBLE || input[i]->Type == GL_UNSIGNED_INT || input[i]->Type == GL_INT
#if MESA_BIG_ENDIAN
            || getTypeSize(input[i]->Type) != 4
#endif
	   )
        {
            evergreenConvertAttrib(ctx, count, input[i], &context->stream_desc[index]);
        } 
        else 
        {
            if (input[i]->BufferObj->Name) 
            {
		    context->stream_desc[index].stride = input[i]->StrideB;
		    context->stream_desc[index].bo_offset = (intptr_t) input[i]->Ptr;
		    context->stream_desc[index].bo = get_radeon_buffer_object(input[i]->BufferObj)->bo;
		    context->stream_desc[index].is_named_bo = GL_TRUE;
            } 
            else 
            {
                int size;
                int local_count = count;
                uint32_t *dst;

                if (input[i]->StrideB == 0) 
                {
                    size = getTypeSize(input[i]->Type) * input[i]->Size;
                    local_count = 1;
                } 
                else 
                {
                    size = getTypeSize(input[i]->Type) * input[i]->Size * local_count;
                }

                radeonAllocDmaRegion(&context->radeon, &context->stream_desc[index].bo, 
                                     &context->stream_desc[index].bo_offset, size, 32);

                radeon_bo_map(context->stream_desc[index].bo, 1);
                assert(context->stream_desc[index].bo->ptr != NULL);


                dst = (uint32_t *)ADD_POINTERS(context->stream_desc[index].bo->ptr, 
                                               context->stream_desc[index].bo_offset);

                switch (context->stream_desc[index].dwords) 
                {
                case 1:                       
                    radeonEmitVec4(dst, input[i]->Ptr, input[i]->StrideB, local_count);
                    break;
                case 2:                     
                    radeonEmitVec8(dst, input[i]->Ptr, input[i]->StrideB, local_count); 
                    break;
                case 3:                     
                    radeonEmitVec12(dst, input[i]->Ptr, input[i]->StrideB, local_count); 
                    break;
                case 4:                     
                    radeonEmitVec16(dst, input[i]->Ptr, input[i]->StrideB, local_count); 
                    break;
                default: 
                    assert(0); 
                    break;
                }

                radeon_bo_unmap(context->stream_desc[index].bo);
            }
        }

        aos->count = context->stream_desc[index].stride == 0 ? 1 : count;
        aos->stride = context->stream_desc[index].stride / sizeof(float);
        aos->components = context->stream_desc[index].dwords;
        aos->bo = context->stream_desc[index].bo;
        aos->offset = context->stream_desc[index].bo_offset;

        if(context->stream_desc[index].is_named_bo) 
        {
            radeon_cs_space_add_persistent_bo(context->radeon.cmdbuf.cs, 
                                              context->stream_desc[index].bo, 
                                              RADEON_GEM_DOMAIN_GTT, 0);
        }
    }

    ret = radeon_cs_space_check_with_bo(context->radeon.cmdbuf.cs, 
                                        first_elem(&context->radeon.dma.reserved)->bo, 
                                        RADEON_GEM_DOMAIN_GTT, 0);    
}
Exemple #10
0
static void r300AllocDmaRegions(GLcontext *ctx, const struct gl_client_array *input[], int count)
{
	r300ContextPtr r300 = R300_CONTEXT(ctx);
	struct r300_vertex_buffer *vbuf = &r300->vbuf;
	GLuint stride;
	int ret;
	int i, index;
	radeon_print(RADEON_RENDER, RADEON_VERBOSE,
			"%s: count %d num_attribs %d\n",
			__func__, count, vbuf->num_attribs);

	for (index = 0; index < vbuf->num_attribs; index++) {
		struct radeon_aos *aos = &r300->radeon.tcl.aos[index];
		i = vbuf->attribs[index].element;

		stride = (input[i]->StrideB == 0) ? getTypeSize(input[i]->Type) * input[i]->Size : input[i]->StrideB;

		if (input[i]->Type == GL_DOUBLE || input[i]->Type == GL_UNSIGNED_INT || input[i]->Type == GL_INT ||
#if MESA_BIG_ENDIAN
				getTypeSize(input[i]->Type) != 4 ||
#endif
				stride < 4) {

			r300ConvertAttrib(ctx, count, input[i], &vbuf->attribs[index]);
		} else {
			if (input[i]->BufferObj->Name) {
				if (stride % 4 != 0 || (intptr_t)input[i]->Ptr % 4 != 0) {
					r300AlignDataToDword(ctx, input[i], count, &vbuf->attribs[index]);
					vbuf->attribs[index].is_named_bo = GL_FALSE;
				} else {
					vbuf->attribs[index].stride = input[i]->StrideB;
					vbuf->attribs[index].bo_offset = (intptr_t) input[i]->Ptr;
					vbuf->attribs[index].bo = get_radeon_buffer_object(input[i]->BufferObj)->bo;
					vbuf->attribs[index].is_named_bo = GL_TRUE;
				}
			} else {

				int size;
				int local_count = count;
				uint32_t *dst;

				if (input[i]->StrideB == 0) {
					size = getTypeSize(input[i]->Type) * input[i]->Size;
					local_count = 1;
				} else {
					size = getTypeSize(input[i]->Type) * input[i]->Size * local_count;
				}

				radeonAllocDmaRegion(&r300->radeon, &vbuf->attribs[index].bo, &vbuf->attribs[index].bo_offset, size, 32);
				radeon_bo_map(vbuf->attribs[index].bo, 1);
				assert(vbuf->attribs[index].bo->ptr != NULL);
				dst = (uint32_t *)ADD_POINTERS(vbuf->attribs[index].bo->ptr, vbuf->attribs[index].bo_offset);
				switch (vbuf->attribs[index].dwords) {
					case 1: radeonEmitVec4(dst, input[i]->Ptr, input[i]->StrideB, local_count); break;
					case 2: radeonEmitVec8(dst, input[i]->Ptr, input[i]->StrideB, local_count); break;
					case 3: radeonEmitVec12(dst, input[i]->Ptr, input[i]->StrideB, local_count); break;
					case 4: radeonEmitVec16(dst, input[i]->Ptr, input[i]->StrideB, local_count); break;
					default: assert(0); break;
				}
				radeon_bo_unmap(vbuf->attribs[index].bo);

			}
		}

		aos->count = vbuf->attribs[index].stride == 0 ? 1 : count;
		aos->stride = vbuf->attribs[index].stride / sizeof(float);
		aos->components = vbuf->attribs[index].dwords;
		aos->bo = vbuf->attribs[index].bo;
		aos->offset = vbuf->attribs[index].bo_offset;

		if (vbuf->attribs[index].is_named_bo) {
			radeon_cs_space_add_persistent_bo(r300->radeon.cmdbuf.cs, r300->vbuf.attribs[index].bo, RADEON_GEM_DOMAIN_GTT, 0);
		}
	}

	r300->radeon.tcl.aos_count = vbuf->num_attribs;
	ret = radeon_cs_space_check_with_bo(r300->radeon.cmdbuf.cs, first_elem(&r300->radeon.dma.reserved)->bo, RADEON_GEM_DOMAIN_GTT, 0);
	r300SwitchFallback(ctx, R300_FALLBACK_INVALID_BUFFERS, ret);

}