#include "main/varray.h"
#include "main/arrayobj.h"
-/* vertex_formats[gltype - GL_BYTE][integer*2 + normalized][size - 1] */
-static const uint16_t vertex_formats[][4][4] = {
- { /* GL_BYTE */
- {
- PIPE_FORMAT_R8_SSCALED,
- PIPE_FORMAT_R8G8_SSCALED,
- PIPE_FORMAT_R8G8B8_SSCALED,
- PIPE_FORMAT_R8G8B8A8_SSCALED
- },
- {
- PIPE_FORMAT_R8_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM
- },
- {
- PIPE_FORMAT_R8_SINT,
- PIPE_FORMAT_R8G8_SINT,
- PIPE_FORMAT_R8G8B8_SINT,
- PIPE_FORMAT_R8G8B8A8_SINT
- },
- },
- { /* GL_UNSIGNED_BYTE */
- {
- PIPE_FORMAT_R8_USCALED,
- PIPE_FORMAT_R8G8_USCALED,
- PIPE_FORMAT_R8G8B8_USCALED,
- PIPE_FORMAT_R8G8B8A8_USCALED
- },
- {
- PIPE_FORMAT_R8_UNORM,
- PIPE_FORMAT_R8G8_UNORM,
- PIPE_FORMAT_R8G8B8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM
- },
- {
- PIPE_FORMAT_R8_UINT,
- PIPE_FORMAT_R8G8_UINT,
- PIPE_FORMAT_R8G8B8_UINT,
- PIPE_FORMAT_R8G8B8A8_UINT
- },
- },
- { /* GL_SHORT */
- {
- PIPE_FORMAT_R16_SSCALED,
- PIPE_FORMAT_R16G16_SSCALED,
- PIPE_FORMAT_R16G16B16_SSCALED,
- PIPE_FORMAT_R16G16B16A16_SSCALED
- },
- {
- PIPE_FORMAT_R16_SNORM,
- PIPE_FORMAT_R16G16_SNORM,
- PIPE_FORMAT_R16G16B16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM
- },
- {
- PIPE_FORMAT_R16_SINT,
- PIPE_FORMAT_R16G16_SINT,
- PIPE_FORMAT_R16G16B16_SINT,
- PIPE_FORMAT_R16G16B16A16_SINT
- },
- },
- { /* GL_UNSIGNED_SHORT */
- {
- PIPE_FORMAT_R16_USCALED,
- PIPE_FORMAT_R16G16_USCALED,
- PIPE_FORMAT_R16G16B16_USCALED,
- PIPE_FORMAT_R16G16B16A16_USCALED
- },
- {
- PIPE_FORMAT_R16_UNORM,
- PIPE_FORMAT_R16G16_UNORM,
- PIPE_FORMAT_R16G16B16_UNORM,
- PIPE_FORMAT_R16G16B16A16_UNORM
- },
- {
- PIPE_FORMAT_R16_UINT,
- PIPE_FORMAT_R16G16_UINT,
- PIPE_FORMAT_R16G16B16_UINT,
- PIPE_FORMAT_R16G16B16A16_UINT
- },
- },
- { /* GL_INT */
- {
- PIPE_FORMAT_R32_SSCALED,
- PIPE_FORMAT_R32G32_SSCALED,
- PIPE_FORMAT_R32G32B32_SSCALED,
- PIPE_FORMAT_R32G32B32A32_SSCALED
- },
- {
- PIPE_FORMAT_R32_SNORM,
- PIPE_FORMAT_R32G32_SNORM,
- PIPE_FORMAT_R32G32B32_SNORM,
- PIPE_FORMAT_R32G32B32A32_SNORM
- },
- {
- PIPE_FORMAT_R32_SINT,
- PIPE_FORMAT_R32G32_SINT,
- PIPE_FORMAT_R32G32B32_SINT,
- PIPE_FORMAT_R32G32B32A32_SINT
- },
- },
- { /* GL_UNSIGNED_INT */
- {
- PIPE_FORMAT_R32_USCALED,
- PIPE_FORMAT_R32G32_USCALED,
- PIPE_FORMAT_R32G32B32_USCALED,
- PIPE_FORMAT_R32G32B32A32_USCALED
- },
- {
- PIPE_FORMAT_R32_UNORM,
- PIPE_FORMAT_R32G32_UNORM,
- PIPE_FORMAT_R32G32B32_UNORM,
- PIPE_FORMAT_R32G32B32A32_UNORM
- },
- {
- PIPE_FORMAT_R32_UINT,
- PIPE_FORMAT_R32G32_UINT,
- PIPE_FORMAT_R32G32B32_UINT,
- PIPE_FORMAT_R32G32B32A32_UINT
- },
- },
- { /* GL_FLOAT */
- {
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- },
- {
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
- },
- },
- {{0}}, /* GL_2_BYTES */
- {{0}}, /* GL_3_BYTES */
- {{0}}, /* GL_4_BYTES */
- { /* GL_DOUBLE */
- {
- PIPE_FORMAT_R64_FLOAT,
- PIPE_FORMAT_R64G64_FLOAT,
- PIPE_FORMAT_R64G64B64_FLOAT,
- PIPE_FORMAT_R64G64B64A64_FLOAT
- },
- {
- PIPE_FORMAT_R64_FLOAT,
- PIPE_FORMAT_R64G64_FLOAT,
- PIPE_FORMAT_R64G64B64_FLOAT,
- PIPE_FORMAT_R64G64B64A64_FLOAT
- },
- },
- { /* GL_HALF_FLOAT */
- {
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- },
- {
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
- },
- },
- { /* GL_FIXED */
- {
- PIPE_FORMAT_R32_FIXED,
- PIPE_FORMAT_R32G32_FIXED,
- PIPE_FORMAT_R32G32B32_FIXED,
- PIPE_FORMAT_R32G32B32A32_FIXED
- },
- {
- PIPE_FORMAT_R32_FIXED,
- PIPE_FORMAT_R32G32_FIXED,
- PIPE_FORMAT_R32G32B32_FIXED,
- PIPE_FORMAT_R32G32B32A32_FIXED
- },
- },
-};
-
-
-/**
- * Return a PIPE_FORMAT_x for the given GL datatype and size.
- */
-enum pipe_format
-st_pipe_vertex_format(const struct gl_array_attributes *attrib)
-{
- const GLubyte size = attrib->Size;
- const GLenum16 format = attrib->Format;
- const bool normalized = attrib->Normalized;
- const bool integer = attrib->Integer;
- GLenum16 type = attrib->Type;
- unsigned index;
-
- assert(size >= 1 && size <= 4);
- assert(format == GL_RGBA || format == GL_BGRA);
- assert(attrib->_ElementSize == _mesa_bytes_per_vertex_attrib(size, type));
-
- switch (type) {
- case GL_HALF_FLOAT_OES:
- type = GL_HALF_FLOAT;
- break;
-
- case GL_INT_2_10_10_10_REV:
- assert(size == 4 && !integer);
-
- if (format == GL_BGRA) {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_SNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_SSCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_SNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_SSCALED;
- }
- break;
-
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- assert(size == 4 && !integer);
-
- if (format == GL_BGRA) {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_UNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_USCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_UNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_USCALED;
- }
- break;
-
- case GL_UNSIGNED_INT_10F_11F_11F_REV:
- assert(size == 3 && !integer && format == GL_RGBA);
- return PIPE_FORMAT_R11G11B10_FLOAT;
-
- case GL_UNSIGNED_BYTE:
- if (format == GL_BGRA) {
- /* this is an odd-ball case */
- assert(normalized);
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- }
- break;
- }
-
- index = integer*2 + normalized;
- assert(index <= 2);
- assert(type >= GL_BYTE && type <= GL_FIXED);
- return vertex_formats[type - GL_BYTE][index][size-1];
-}
-
-static void init_velement(struct pipe_vertex_element *velement,
+static void set_velement(struct pipe_vertex_element *velement,
int src_offset, int format,
int instance_divisor, int vbo_index)
{
assert(velement->src_format);
}
-static void init_velement_lowered(const struct st_vertex_program *vp,
- struct pipe_vertex_element *velements,
- const struct gl_array_attributes *attrib,
- int src_offset, int instance_divisor,
- int vbo_index, int idx)
+static void init_velement_64bit(const struct st_vertex_program *vp,
+ struct pipe_vertex_element *velements,
+ const struct gl_vertex_format *vformat,
+ int src_offset, int instance_divisor,
+ int vbo_index, int idx)
{
- const GLubyte nr_components = attrib->Size;
-
- if (attrib->Doubles) {
- int lower_format;
-
- if (nr_components < 2)
- lower_format = PIPE_FORMAT_R32G32_UINT;
- else
- lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
-
- init_velement(&velements[idx], src_offset,
- lower_format, instance_divisor, vbo_index);
- idx++;
-
- if (idx < vp->num_inputs &&
- vp->index_to_input[idx] == ST_DOUBLE_ATTRIB_PLACEHOLDER) {
- if (nr_components >= 3) {
- if (nr_components == 3)
- lower_format = PIPE_FORMAT_R32G32_UINT;
- else
- lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
-
- init_velement(&velements[idx], src_offset + 4 * sizeof(float),
- lower_format, instance_divisor, vbo_index);
- } else {
- /* The values here are undefined. Fill in some conservative
- * dummy values.
- */
- init_velement(&velements[idx], src_offset, PIPE_FORMAT_R32G32_UINT,
- instance_divisor, vbo_index);
- }
- }
- } else {
- const unsigned format = st_pipe_vertex_format(attrib);
+ const GLubyte nr_components = vformat->Size;
+ int lower_format;
+
+ if (nr_components < 2)
+ lower_format = PIPE_FORMAT_R32G32_UINT;
+ else
+ lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
+
+ set_velement(&velements[idx], src_offset,
+ lower_format, instance_divisor, vbo_index);
+ idx++;
+
+ if (idx < vp->num_inputs &&
+ vp->index_to_input[idx] == ST_DOUBLE_ATTRIB_PLACEHOLDER) {
+ if (nr_components >= 3) {
+ if (nr_components == 3)
+ lower_format = PIPE_FORMAT_R32G32_UINT;
+ else
+ lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
- init_velement(&velements[idx], src_offset,
- format, instance_divisor, vbo_index);
+ set_velement(&velements[idx], src_offset + 4 * sizeof(float),
+ lower_format, instance_divisor, vbo_index);
+ } else {
+ /* The values here are undefined. Fill in some conservative
+ * dummy values.
+ */
+ set_velement(&velements[idx], src_offset, PIPE_FORMAT_R32G32_UINT,
+ instance_divisor, vbo_index);
+ }
}
}
-static void
-set_vertex_attribs(struct st_context *st,
- struct pipe_vertex_buffer *vbuffers,
- unsigned num_vbuffers,
- struct pipe_vertex_element *velements,
- unsigned num_velements)
+/* Always inline the non-64bit element code, so that the compiler can see
+ * that velements is on the stack.
+ */
+static void ALWAYS_INLINE
+init_velement(const struct st_vertex_program *vp,
+ struct pipe_vertex_element *velements,
+ const struct gl_vertex_format *vformat,
+ int src_offset, int instance_divisor,
+ int vbo_index, int idx)
{
- struct cso_context *cso = st->cso_context;
-
- cso_set_vertex_buffers(cso, 0, num_vbuffers, vbuffers);
- if (st->last_num_vbuffers > num_vbuffers) {
- /* Unbind remaining buffers, if any. */
- cso_set_vertex_buffers(cso, num_vbuffers,
- st->last_num_vbuffers - num_vbuffers, NULL);
+ if (!vformat->Doubles) {
+ velements[idx].src_offset = src_offset;
+ velements[idx].src_format = vformat->_PipeFormat;
+ velements[idx].instance_divisor = instance_divisor;
+ velements[idx].vertex_buffer_index = vbo_index;
+ assert(velements[idx].src_format);
+ return;
}
- st->last_num_vbuffers = num_vbuffers;
- cso_set_vertex_elements(cso, num_velements, velements);
+
+ init_velement_64bit(vp, velements, vformat, src_offset, instance_divisor,
+ vbo_index, idx);
}
+/* ALWAYS_INLINE helps the compiler realize that most of the parameters are
+ * on the stack.
+ */
void
-st_update_array(struct st_context *st)
+#ifndef _MSC_VER /* MSVC doesn't like inlining public functions */
+ALWAYS_INLINE
+#endif
+st_setup_arrays(struct st_context *st,
+ const struct st_vertex_program *vp,
+ const struct st_common_variant *vp_variant,
+ struct cso_velems_state *velements,
+ struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers,
+ bool *has_user_vertex_buffers)
{
struct gl_context *ctx = st->ctx;
- /* vertex program validation must be done before this */
- const struct st_vertex_program *vp = st->vp;
- /* _NEW_PROGRAM, ST_NEW_VS_STATE */
- const GLbitfield inputs_read = st->vp_variant->vert_attrib_mask;
const struct gl_vertex_array_object *vao = ctx->Array._DrawVAO;
+ const GLbitfield inputs_read = vp_variant->vert_attrib_mask;
const ubyte *input_to_index = vp->input_to_index;
- struct pipe_vertex_buffer vbuffer[PIPE_MAX_ATTRIBS];
- struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- unsigned num_vbuffers = 0;
-
- st->vertex_array_out_of_memory = FALSE;
- st->draw_needs_minmax_index = false;
-
- /* _NEW_PROGRAM */
- /* ST_NEW_VERTEX_ARRAYS alias ctx->DriverFlags.NewArray */
/* Process attribute array data. */
GLbitfield mask = inputs_read & _mesa_draw_array_bits(ctx);
+ GLbitfield userbuf_attribs = inputs_read & _mesa_draw_user_array_bits(ctx);
+
+ *has_user_vertex_buffers = userbuf_attribs != 0;
+ st->draw_needs_minmax_index =
+ (userbuf_attribs & ~_mesa_draw_nonzero_divisor_bits(ctx)) != 0;
+
+ if (vao->IsDynamic) {
+ while (mask) {
+ const gl_vert_attrib attr = u_bit_scan(&mask);
+ const struct gl_array_attributes *const attrib =
+ _mesa_draw_array_attrib(vao, attr);
+ const struct gl_vertex_buffer_binding *const binding =
+ &vao->BufferBinding[attrib->BufferBindingIndex];
+ const unsigned bufidx = (*num_vbuffers)++;
+
+ /* Set the vertex buffer. */
+ if (binding->BufferObj) {
+ struct st_buffer_object *stobj = st_buffer_object(binding->BufferObj);
+
+ vbuffer[bufidx].buffer.resource = stobj ? stobj->buffer : NULL;
+ vbuffer[bufidx].is_user_buffer = false;
+ vbuffer[bufidx].buffer_offset = binding->Offset +
+ attrib->RelativeOffset;
+ } else {
+ vbuffer[bufidx].buffer.user = attrib->Ptr;
+ vbuffer[bufidx].is_user_buffer = true;
+ vbuffer[bufidx].buffer_offset = 0;
+ }
+ vbuffer[bufidx].stride = binding->Stride; /* in bytes */
+
+ /* Set the vertex element. */
+ init_velement(vp, velements->velems, &attrib->Format, 0,
+ binding->InstanceDivisor, bufidx,
+ input_to_index[attr]);
+ }
+ return;
+ }
+
while (mask) {
/* The attribute index to start pulling a binding */
const gl_vert_attrib i = ffs(mask) - 1;
const struct gl_vertex_buffer_binding *const binding
= _mesa_draw_buffer_binding(vao, i);
- const unsigned bufidx = num_vbuffers++;
+ const unsigned bufidx = (*num_vbuffers)++;
- if (_mesa_is_bufferobj(binding->BufferObj)) {
+ if (binding->BufferObj) {
+ /* Set the binding */
struct st_buffer_object *stobj = st_buffer_object(binding->BufferObj);
- if (!stobj || !stobj->buffer) {
- st->vertex_array_out_of_memory = true;
- return; /* out-of-memory error probably */
- }
- /* Set the binding */
- vbuffer[bufidx].buffer.resource = stobj->buffer;
+ vbuffer[bufidx].buffer.resource = stobj ? stobj->buffer : NULL;
vbuffer[bufidx].is_user_buffer = false;
vbuffer[bufidx].buffer_offset = _mesa_draw_binding_offset(binding);
} else {
vbuffer[bufidx].buffer.user = ptr;
vbuffer[bufidx].is_user_buffer = true;
vbuffer[bufidx].buffer_offset = 0;
-
- if (!binding->InstanceDivisor)
- st->draw_needs_minmax_index = true;
}
vbuffer[bufidx].stride = binding->Stride; /* in bytes */
/* We can assume that we have array for the binding */
assert(attrmask);
/* Walk attributes belonging to the binding */
- while (attrmask) {
+ do {
const gl_vert_attrib attr = u_bit_scan(&attrmask);
const struct gl_array_attributes *const attrib
= _mesa_draw_array_attrib(vao, attr);
const GLuint off = _mesa_draw_attributes_relative_offset(attrib);
- init_velement_lowered(vp, velements, attrib, off,
- binding->InstanceDivisor, bufidx,
- input_to_index[attr]);
- }
+ init_velement(vp, velements->velems, &attrib->Format, off,
+ binding->InstanceDivisor, bufidx,
+ input_to_index[attr]);
+ } while (attrmask);
}
+}
+
+/* ALWAYS_INLINE helps the compiler realize that most of the parameters are
+ * on the stack.
+ *
+ * Return the index of the vertex buffer where current attribs have been
+ * uploaded.
+ */
+static int ALWAYS_INLINE
+st_setup_current(struct st_context *st,
+ const struct st_vertex_program *vp,
+ const struct st_common_variant *vp_variant,
+ struct cso_velems_state *velements,
+ struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers)
+{
+ struct gl_context *ctx = st->ctx;
+ const GLbitfield inputs_read = vp_variant->vert_attrib_mask;
- const unsigned first_current_vbuffer = num_vbuffers;
- /* _NEW_PROGRAM | _NEW_CURRENT_ATTRIB */
/* Process values that should have better been uniforms in the application */
GLbitfield curmask = inputs_read & _mesa_draw_current_bits(ctx);
if (curmask) {
+ const ubyte *input_to_index = vp->input_to_index;
/* For each attribute, upload the maximum possible size. */
GLubyte data[VERT_ATTRIB_MAX * sizeof(GLdouble) * 4];
GLubyte *cursor = data;
- const unsigned bufidx = num_vbuffers++;
+ const unsigned bufidx = (*num_vbuffers)++;
unsigned max_alignment = 1;
- while (curmask) {
+ do {
const gl_vert_attrib attr = u_bit_scan(&curmask);
const struct gl_array_attributes *const attrib
= _mesa_draw_current_attrib(ctx, attr);
- const unsigned size = attrib->_ElementSize;
+ const unsigned size = attrib->Format._ElementSize;
const unsigned alignment = util_next_power_of_two(size);
max_alignment = MAX2(max_alignment, alignment);
memcpy(cursor, attrib->Ptr, size);
if (alignment != size)
memset(cursor + size, 0, alignment - size);
- init_velement_lowered(vp, velements, attrib, cursor - data, 0,
- bufidx, input_to_index[attr]);
+ init_velement(vp, velements->velems, &attrib->Format, cursor - data,
+ 0, bufidx, input_to_index[attr]);
cursor += alignment;
- }
+ } while (curmask);
vbuffer[bufidx].is_user_buffer = false;
vbuffer[bufidx].buffer.resource = NULL;
* times (thousands of times), so a better placement is going to
* perform better.
*/
- u_upload_data(st->can_bind_const_buffer_as_vertex ?
- st->pipe->const_uploader :
- st->pipe->stream_uploader,
+ struct u_upload_mgr *uploader = st->can_bind_const_buffer_as_vertex ?
+ st->pipe->const_uploader :
+ st->pipe->stream_uploader;
+ u_upload_data(uploader,
0, cursor - data, max_alignment, data,
&vbuffer[bufidx].buffer_offset,
&vbuffer[bufidx].buffer.resource);
+ /* Always unmap. The uploader might use explicit flushes. */
+ u_upload_unmap(uploader);
+ return bufidx;
}
+ return -1;
+}
+
+void
+st_setup_current_user(struct st_context *st,
+ const struct st_vertex_program *vp,
+ const struct st_common_variant *vp_variant,
+ struct cso_velems_state *velements,
+ struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers)
+{
+ struct gl_context *ctx = st->ctx;
+ const GLbitfield inputs_read = vp_variant->vert_attrib_mask;
+ const ubyte *input_to_index = vp->input_to_index;
- if (!ctx->Const.AllowMappedBuffersDuringExecution) {
- u_upload_unmap(st->pipe->stream_uploader);
+ /* Process values that should have better been uniforms in the application */
+ GLbitfield curmask = inputs_read & _mesa_draw_current_bits(ctx);
+ /* For each attribute, make an own user buffer binding. */
+ while (curmask) {
+ const gl_vert_attrib attr = u_bit_scan(&curmask);
+ const struct gl_array_attributes *const attrib
+ = _mesa_draw_current_attrib(ctx, attr);
+ const unsigned bufidx = (*num_vbuffers)++;
+
+ init_velement(vp, velements->velems, &attrib->Format, 0, 0,
+ bufidx, input_to_index[attr]);
+
+ vbuffer[bufidx].is_user_buffer = true;
+ vbuffer[bufidx].buffer.user = attrib->Ptr;
+ vbuffer[bufidx].buffer_offset = 0;
+ vbuffer[bufidx].stride = 0;
}
+}
- const unsigned num_inputs = st->vp_variant->num_inputs;
- set_vertex_attribs(st, vbuffer, num_vbuffers, velements, num_inputs);
+void
+st_update_array(struct st_context *st)
+{
+ /* vertex program validation must be done before this */
+ /* _NEW_PROGRAM, ST_NEW_VS_STATE */
+ const struct st_vertex_program *vp = (struct st_vertex_program *)st->vp;
+ const struct st_common_variant *vp_variant = st->vp_variant;
- /* Unreference uploaded zero-stride vertex buffers. */
- for (unsigned i = first_current_vbuffer; i < num_vbuffers; ++i) {
- pipe_resource_reference(&vbuffer[i].buffer.resource, NULL);
- }
+ struct pipe_vertex_buffer vbuffer[PIPE_MAX_ATTRIBS];
+ unsigned num_vbuffers = 0;
+ struct cso_velems_state velements;
+ bool uses_user_vertex_buffers;
+
+ /* ST_NEW_VERTEX_ARRAYS alias ctx->DriverFlags.NewArray */
+ /* Setup arrays */
+ st_setup_arrays(st, vp, vp_variant, &velements, vbuffer, &num_vbuffers,
+ &uses_user_vertex_buffers);
+
+ /* _NEW_CURRENT_ATTRIB */
+ /* Setup zero-stride attribs. */
+ int current_attrib_buffer =
+ st_setup_current(st, vp, vp_variant, &velements, vbuffer, &num_vbuffers);
+
+ velements.count = vp->num_inputs + vp_variant->key.passthrough_edgeflags;
+
+ /* Set vertex buffers and elements. */
+ struct cso_context *cso = st->cso_context;
+ unsigned unbind_trailing_vbuffers =
+ st->last_num_vbuffers > num_vbuffers ?
+ st->last_num_vbuffers - num_vbuffers : 0;
+ cso_set_vertex_buffers_and_elements(cso, &velements,
+ num_vbuffers,
+ unbind_trailing_vbuffers,
+ vbuffer, uses_user_vertex_buffers);
+ st->last_num_vbuffers = num_vbuffers;
+
+ /* Unreference uploaded current attrib buffer. */
+ if (current_attrib_buffer >= 0)
+ pipe_resource_reference(&vbuffer[current_attrib_buffer].buffer.resource, NULL);
}