+
/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* Copyright 2012 Marek Olšák <maraeo@gmail.com>
* All Rights Reserved.
*
* Gallium vertex state and binds it.
*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
* Marek Olšák <maraeo@gmail.com>
*/
#include "cso_cache/cso_context.h"
#include "util/u_math.h"
-
+#include "util/u_upload_mgr.h"
#include "main/bufferobj.h"
-#include "main/image.h"
-
-
-static GLuint double_types[4] = {
- PIPE_FORMAT_R64_FLOAT,
- PIPE_FORMAT_R64G64_FLOAT,
- PIPE_FORMAT_R64G64B64_FLOAT,
- PIPE_FORMAT_R64G64B64A64_FLOAT
-};
-
-static GLuint float_types[4] = {
- PIPE_FORMAT_R32_FLOAT,
- PIPE_FORMAT_R32G32_FLOAT,
- PIPE_FORMAT_R32G32B32_FLOAT,
- PIPE_FORMAT_R32G32B32A32_FLOAT
-};
-
-static GLuint half_float_types[4] = {
- PIPE_FORMAT_R16_FLOAT,
- PIPE_FORMAT_R16G16_FLOAT,
- PIPE_FORMAT_R16G16B16_FLOAT,
- PIPE_FORMAT_R16G16B16A16_FLOAT
-};
-
-static GLuint uint_types_norm[4] = {
- PIPE_FORMAT_R32_UNORM,
- PIPE_FORMAT_R32G32_UNORM,
- PIPE_FORMAT_R32G32B32_UNORM,
- PIPE_FORMAT_R32G32B32A32_UNORM
-};
-
-static GLuint uint_types_scale[4] = {
- PIPE_FORMAT_R32_USCALED,
- PIPE_FORMAT_R32G32_USCALED,
- PIPE_FORMAT_R32G32B32_USCALED,
- PIPE_FORMAT_R32G32B32A32_USCALED
-};
-
-static GLuint uint_types_int[4] = {
- PIPE_FORMAT_R32_UINT,
- PIPE_FORMAT_R32G32_UINT,
- PIPE_FORMAT_R32G32B32_UINT,
- PIPE_FORMAT_R32G32B32A32_UINT
-};
-
-static GLuint int_types_norm[4] = {
- PIPE_FORMAT_R32_SNORM,
- PIPE_FORMAT_R32G32_SNORM,
- PIPE_FORMAT_R32G32B32_SNORM,
- PIPE_FORMAT_R32G32B32A32_SNORM
-};
-
-static GLuint int_types_scale[4] = {
- PIPE_FORMAT_R32_SSCALED,
- PIPE_FORMAT_R32G32_SSCALED,
- PIPE_FORMAT_R32G32B32_SSCALED,
- PIPE_FORMAT_R32G32B32A32_SSCALED
-};
-
-static GLuint int_types_int[4] = {
- PIPE_FORMAT_R32_SINT,
- PIPE_FORMAT_R32G32_SINT,
- PIPE_FORMAT_R32G32B32_SINT,
- PIPE_FORMAT_R32G32B32A32_SINT
-};
-
-static GLuint ushort_types_norm[4] = {
- PIPE_FORMAT_R16_UNORM,
- PIPE_FORMAT_R16G16_UNORM,
- PIPE_FORMAT_R16G16B16_UNORM,
- PIPE_FORMAT_R16G16B16A16_UNORM
-};
-
-static GLuint ushort_types_scale[4] = {
- PIPE_FORMAT_R16_USCALED,
- PIPE_FORMAT_R16G16_USCALED,
- PIPE_FORMAT_R16G16B16_USCALED,
- PIPE_FORMAT_R16G16B16A16_USCALED
-};
-
-static GLuint ushort_types_int[4] = {
- PIPE_FORMAT_R16_UINT,
- PIPE_FORMAT_R16G16_UINT,
- PIPE_FORMAT_R16G16B16_UINT,
- PIPE_FORMAT_R16G16B16A16_UINT
-};
-
-static GLuint short_types_norm[4] = {
- PIPE_FORMAT_R16_SNORM,
- PIPE_FORMAT_R16G16_SNORM,
- PIPE_FORMAT_R16G16B16_SNORM,
- PIPE_FORMAT_R16G16B16A16_SNORM
-};
-
-static GLuint short_types_scale[4] = {
- PIPE_FORMAT_R16_SSCALED,
- PIPE_FORMAT_R16G16_SSCALED,
- PIPE_FORMAT_R16G16B16_SSCALED,
- PIPE_FORMAT_R16G16B16A16_SSCALED
-};
-
-static GLuint short_types_int[4] = {
- PIPE_FORMAT_R16_SINT,
- PIPE_FORMAT_R16G16_SINT,
- PIPE_FORMAT_R16G16B16_SINT,
- PIPE_FORMAT_R16G16B16A16_SINT
-};
-
-static GLuint ubyte_types_norm[4] = {
- PIPE_FORMAT_R8_UNORM,
- PIPE_FORMAT_R8G8_UNORM,
- PIPE_FORMAT_R8G8B8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM
-};
-
-static GLuint ubyte_types_scale[4] = {
- PIPE_FORMAT_R8_USCALED,
- PIPE_FORMAT_R8G8_USCALED,
- PIPE_FORMAT_R8G8B8_USCALED,
- PIPE_FORMAT_R8G8B8A8_USCALED
-};
-
-static GLuint ubyte_types_int[4] = {
- PIPE_FORMAT_R8_UINT,
- PIPE_FORMAT_R8G8_UINT,
- PIPE_FORMAT_R8G8B8_UINT,
- PIPE_FORMAT_R8G8B8A8_UINT
-};
-
-static GLuint byte_types_norm[4] = {
- PIPE_FORMAT_R8_SNORM,
- PIPE_FORMAT_R8G8_SNORM,
- PIPE_FORMAT_R8G8B8_SNORM,
- PIPE_FORMAT_R8G8B8A8_SNORM
-};
-
-static GLuint byte_types_scale[4] = {
- PIPE_FORMAT_R8_SSCALED,
- PIPE_FORMAT_R8G8_SSCALED,
- PIPE_FORMAT_R8G8B8_SSCALED,
- PIPE_FORMAT_R8G8B8A8_SSCALED
-};
-
-static GLuint byte_types_int[4] = {
- PIPE_FORMAT_R8_SINT,
- PIPE_FORMAT_R8G8_SINT,
- PIPE_FORMAT_R8G8B8_SINT,
- PIPE_FORMAT_R8G8B8A8_SINT
-};
-
-static GLuint fixed_types[4] = {
- 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(GLenum type, GLuint size, GLenum format,
- GLboolean normalized, GLboolean integer)
-{
- assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
- type == GL_FIXED || type == GL_HALF_FLOAT ||
- type == GL_INT_2_10_10_10_REV ||
- type == GL_UNSIGNED_INT_2_10_10_10_REV);
- assert(size >= 1);
- assert(size <= 4);
- assert(format == GL_RGBA || format == GL_BGRA);
-
- if (type == GL_INT_2_10_10_10_REV ||
- type == GL_UNSIGNED_INT_2_10_10_10_REV) {
- assert(size == 4);
- assert(!integer);
-
- if (format == GL_BGRA) {
- if (type == GL_INT_2_10_10_10_REV) {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_SNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_SSCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_B10G10R10A2_UNORM;
- else
- return PIPE_FORMAT_B10G10R10A2_USCALED;
- }
- } else {
- if (type == GL_INT_2_10_10_10_REV) {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_SNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_SSCALED;
- } else {
- if (normalized)
- return PIPE_FORMAT_R10G10B10A2_UNORM;
- else
- return PIPE_FORMAT_R10G10B10A2_USCALED;
- }
- }
- }
+#include "main/glformats.h"
+#include "main/varray.h"
+#include "main/arrayobj.h"
- if (format == GL_BGRA) {
- /* this is an odd-ball case */
- assert(type == GL_UNSIGNED_BYTE);
- assert(normalized);
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- }
+static void set_velement(struct pipe_vertex_element *velement,
+ int src_offset, int format,
+ int instance_divisor, int vbo_index)
+{
+ velement->src_offset = src_offset;
+ velement->src_format = format;
+ velement->instance_divisor = instance_divisor;
+ velement->vertex_buffer_index = vbo_index;
+ assert(velement->src_format);
+}
- if (integer) {
- switch (type) {
- case GL_INT: return int_types_int[size-1];
- case GL_SHORT: return short_types_int[size-1];
- case GL_BYTE: return byte_types_int[size-1];
- case GL_UNSIGNED_INT: return uint_types_int[size-1];
- case GL_UNSIGNED_SHORT: return ushort_types_int[size-1];
- case GL_UNSIGNED_BYTE: return ubyte_types_int[size-1];
- default: assert(0); return 0;
- }
- }
- else if (normalized) {
- switch (type) {
- case GL_DOUBLE: return double_types[size-1];
- case GL_FLOAT: return float_types[size-1];
- case GL_HALF_FLOAT: return half_float_types[size-1];
- case GL_INT: return int_types_norm[size-1];
- case GL_SHORT: return short_types_norm[size-1];
- case GL_BYTE: return byte_types_norm[size-1];
- case GL_UNSIGNED_INT: return uint_types_norm[size-1];
- case GL_UNSIGNED_SHORT: return ushort_types_norm[size-1];
- case GL_UNSIGNED_BYTE: return ubyte_types_norm[size-1];
- case GL_FIXED: return fixed_types[size-1];
- default: assert(0); return 0;
- }
- }
- else {
- switch (type) {
- case GL_DOUBLE: return double_types[size-1];
- case GL_FLOAT: return float_types[size-1];
- case GL_HALF_FLOAT: return half_float_types[size-1];
- case GL_INT: return int_types_scale[size-1];
- case GL_SHORT: return short_types_scale[size-1];
- case GL_BYTE: return byte_types_scale[size-1];
- case GL_UNSIGNED_INT: return uint_types_scale[size-1];
- case GL_UNSIGNED_SHORT: return ushort_types_scale[size-1];
- case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1];
- case GL_FIXED: return fixed_types[size-1];
- default: assert(0); return 0;
+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 = 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;
+
+ 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);
}
}
- return PIPE_FORMAT_NONE; /* silence compiler warning */
}
-/**
- * Examine the active arrays to determine if we have interleaved
- * vertex arrays all living in one VBO, or all living in user space.
+/* Always inline the non-64bit element code, so that the compiler can see
+ * that velements is on the stack.
*/
-static GLboolean
-is_interleaved_arrays(const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays)
+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)
{
- GLuint attr;
- const struct gl_buffer_object *firstBufObj = NULL;
- GLint firstStride = -1;
- const GLubyte *firstPtr = NULL;
- GLboolean userSpaceBuffer = GL_FALSE;
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_client_array *array = arrays[mesaAttr];
- const struct gl_buffer_object *bufObj = array->BufferObj;
- const GLsizei stride = array->StrideB; /* in bytes */
-
- if (attr == 0) {
- /* save info about the first array */
- firstStride = stride;
- firstPtr = array->Ptr;
- firstBufObj = bufObj;
- userSpaceBuffer = !bufObj || !bufObj->Name;
- }
- else {
- /* check if other arrays interleave with the first, in same buffer */
- if (stride != firstStride)
- return GL_FALSE; /* strides don't match */
-
- if (bufObj != firstBufObj)
- return GL_FALSE; /* arrays in different VBOs */
-
- if (abs(array->Ptr - firstPtr) > firstStride)
- return GL_FALSE; /* arrays start too far apart */
-
- if ((!_mesa_is_bufferobj(bufObj)) != userSpaceBuffer)
- return GL_FALSE; /* mix of VBO and user-space arrays */
- }
+ 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;
}
- return GL_TRUE;
+ init_velement_64bit(vp, velements, vformat, src_offset, instance_divisor,
+ vbo_index, idx);
}
-/**
- * Set up for drawing interleaved arrays that all live in one VBO
- * or all live in user space.
- * \param vbuffer returns vertex buffer info
- * \param velements returns vertex element info
+/* ALWAYS_INLINE helps the compiler realize that most of the parameters are
+ * on the stack.
*/
-static boolean
-setup_interleaved_attribs(const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays,
- struct pipe_vertex_buffer *vbuffer,
- struct pipe_vertex_element velements[])
+void
+#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)
{
- GLuint attr;
- const GLubyte *low_addr = NULL;
- GLboolean usingVBO; /* all arrays in a VBO? */
- struct gl_buffer_object *bufobj;
- GLsizei stride;
-
- /* Find the lowest address of the arrays we're drawing,
- * Init bufobj and stride.
- */
- if (vpv->num_inputs) {
- const GLuint mesaAttr0 = vp->index_to_input[0];
- const struct gl_client_array *array = arrays[mesaAttr0];
-
- /* Since we're doing interleaved arrays, we know there'll be at most
- * one buffer object and the stride will be the same for all arrays.
- * Grab them now.
- */
- bufobj = array->BufferObj;
- stride = array->StrideB;
-
- low_addr = arrays[vp->index_to_input[0]]->Ptr;
+ struct gl_context *ctx = st->ctx;
+ 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;
+
+ /* 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 */
- for (attr = 1; attr < vpv->num_inputs; attr++) {
- const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
- low_addr = MIN2(low_addr, start);
+ /* Set the vertex element. */
+ init_velement(vp, velements->velems, &attrib->Format, 0,
+ binding->InstanceDivisor, bufidx,
+ input_to_index[attr]);
}
- }
- else {
- /* not sure we'll ever have zero inputs, but play it safe */
- bufobj = NULL;
- stride = 0;
- low_addr = 0;
+ return;
}
- /* are the arrays in user space? */
- usingVBO = _mesa_is_bufferobj(bufobj);
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_client_array *array = arrays[mesaAttr];
- unsigned src_offset = (unsigned) (array->Ptr - low_addr);
- GLuint element_size = array->_ElementSize;
-
- assert(element_size == array->Size * _mesa_sizeof_type(array->Type));
-
- velements[attr].src_offset = src_offset;
- velements[attr].instance_divisor = array->InstanceDivisor;
- velements[attr].vertex_buffer_index = 0;
- velements[attr].src_format = st_pipe_vertex_format(array->Type,
- array->Size,
- array->Format,
- array->Normalized,
- array->Integer);
- assert(velements[attr].src_format);
- }
+ 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)++;
- /*
- * Return the vbuffer info and setup user-space attrib info, if needed.
- */
- if (vpv->num_inputs == 0) {
- /* just defensive coding here */
- vbuffer->buffer = NULL;
- vbuffer->user_buffer = NULL;
- vbuffer->buffer_offset = 0;
- vbuffer->stride = 0;
- }
- else if (usingVBO) {
- /* all interleaved arrays in a VBO */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ if (binding->BufferObj) {
+ /* Set the binding */
+ struct st_buffer_object *stobj = st_buffer_object(binding->BufferObj);
- if (!stobj || !stobj->buffer) {
- return FALSE; /* out-of-memory error probably */
+ vbuffer[bufidx].buffer.resource = stobj ? stobj->buffer : NULL;
+ vbuffer[bufidx].is_user_buffer = false;
+ vbuffer[bufidx].buffer_offset = _mesa_draw_binding_offset(binding);
+ } else {
+ /* Set the binding */
+ const void *ptr = (const void *)_mesa_draw_binding_offset(binding);
+ vbuffer[bufidx].buffer.user = ptr;
+ vbuffer[bufidx].is_user_buffer = true;
+ vbuffer[bufidx].buffer_offset = 0;
}
-
- vbuffer->buffer = stobj->buffer;
- vbuffer->user_buffer = NULL;
- vbuffer->buffer_offset = pointer_to_offset(low_addr);
- vbuffer->stride = stride;
- }
- else {
- /* all interleaved arrays in user memory */
- vbuffer->buffer = NULL;
- vbuffer->user_buffer = low_addr;
- vbuffer->buffer_offset = 0;
- vbuffer->stride = stride;
+ vbuffer[bufidx].stride = binding->Stride; /* in bytes */
+
+ const GLbitfield boundmask = _mesa_draw_bound_attrib_bits(binding);
+ GLbitfield attrmask = mask & boundmask;
+ /* Mark the those attributes as processed */
+ mask &= ~boundmask;
+ /* We can assume that we have array for the binding */
+ assert(attrmask);
+ /* Walk attributes belonging to the binding */
+ 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(vp, velements->velems, &attrib->Format, off,
+ binding->InstanceDivisor, bufidx,
+ input_to_index[attr]);
+ } while (attrmask);
}
- return TRUE;
}
-/**
- * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each
- * vertex attribute.
- * \param vbuffer returns vertex buffer info
- * \param velements returns vertex element info
+/* 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 boolean
-setup_non_interleaved_attribs(struct st_context *st,
- const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays,
- struct pipe_vertex_buffer vbuffer[],
- struct pipe_vertex_element velements[])
+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;
- GLuint attr;
-
- for (attr = 0; attr < vpv->num_inputs; attr++) {
- const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_client_array *array = arrays[mesaAttr];
- struct gl_buffer_object *bufobj = array->BufferObj;
- GLsizei stride = array->StrideB;
-
- assert(array->_ElementSize == array->Size * _mesa_sizeof_type(array->Type));
-
- if (_mesa_is_bufferobj(bufobj)) {
- /* Attribute data is in a VBO.
- * Recall that for VBOs, the gl_client_array->Ptr field is
- * really an offset from the start of the VBO, not a pointer.
- */
- struct st_buffer_object *stobj = st_buffer_object(bufobj);
-
- if (!stobj || !stobj->buffer) {
- return FALSE; /* out-of-memory error probably */
- }
-
- vbuffer[attr].buffer = stobj->buffer;
- vbuffer[attr].user_buffer = NULL;
- vbuffer[attr].buffer_offset = pointer_to_offset(array->Ptr);
- }
- else {
- /* wrap user data */
- void *ptr;
-
- if (array->Ptr) {
- ptr = (void *) array->Ptr;
- }
- else {
- /* no array, use ctx->Current.Attrib[] value */
- ptr = (void *) ctx->Current.Attrib[mesaAttr];
- stride = 0;
- }
-
- assert(ptr);
-
- vbuffer[attr].buffer = NULL;
- vbuffer[attr].user_buffer = ptr;
- vbuffer[attr].buffer_offset = 0;
- }
-
- /* common-case setup */
- vbuffer[attr].stride = stride; /* in bytes */
-
- velements[attr].src_offset = 0;
- velements[attr].instance_divisor = array->InstanceDivisor;
- velements[attr].vertex_buffer_index = attr;
- velements[attr].src_format = st_pipe_vertex_format(array->Type,
- array->Size,
- array->Format,
- array->Normalized,
- array->Integer);
- assert(velements[attr].src_format);
+ const GLbitfield inputs_read = vp_variant->vert_attrib_mask;
+
+ /* 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)++;
+ unsigned max_alignment = 1;
+
+ 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->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(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;
+ /* vbuffer[bufidx].buffer_offset is set below */
+ vbuffer[bufidx].stride = 0;
+
+ /* Use const_uploader for zero-stride vertex attributes, because
+ * it may use a better memory placement than stream_uploader.
+ * The reason is that zero-stride attributes can be fetched many
+ * times (thousands of times), so a better placement is going to
+ * perform better.
+ */
+ 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 TRUE;
+ return -1;
}
-static void update_array(struct st_context *st)
+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 struct gl_client_array **arrays = ctx->Array._DrawArrays;
- const struct st_vertex_program *vp;
- const struct st_vp_variant *vpv;
- struct pipe_vertex_buffer vbuffer[PIPE_MAX_SHADER_INPUTS];
- struct pipe_vertex_element velements[PIPE_MAX_ATTRIBS];
- unsigned num_vbuffers, num_velements;
-
- st->vertex_array_out_of_memory = FALSE;
-
- /* No drawing has been done yet, so do nothing. */
- if (!arrays)
- return;
-
- /* vertex program validation must be done before this */
- vp = st->vp;
- vpv = st->vp_variant;
-
- memset(velements, 0, sizeof(struct pipe_vertex_element) * vpv->num_inputs);
-
- /*
- * Setup the vbuffer[] and velements[] arrays.
- */
- if (is_interleaved_arrays(vp, vpv, arrays)) {
- if (!setup_interleaved_attribs(vp, vpv, arrays, vbuffer, velements)) {
- st->vertex_array_out_of_memory = TRUE;
- return;
- }
-
- num_vbuffers = 1;
- num_velements = vpv->num_inputs;
- if (num_velements == 0)
- num_vbuffers = 0;
+ const GLbitfield inputs_read = vp_variant->vert_attrib_mask;
+ const ubyte *input_to_index = vp->input_to_index;
+
+ /* 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;
}
- else {
- if (!setup_non_interleaved_attribs(st, vp, vpv, arrays, vbuffer,
- velements)) {
- st->vertex_array_out_of_memory = TRUE;
- return;
- }
-
- num_vbuffers = vpv->num_inputs;
- num_velements = vpv->num_inputs;
- }
-
- cso_set_vertex_buffers(st->cso_context, num_vbuffers, vbuffer);
- cso_set_vertex_elements(st->cso_context, num_velements, velements);
}
-
-const struct st_tracked_state st_update_array = {
- "st_update_array", /* name */
- { /* dirty */
- (_NEW_PROGRAM | _NEW_BUFFER_OBJECT), /* mesa */
- ST_NEW_VERTEX_ARRAYS | ST_NEW_VERTEX_PROGRAM, /* st */
- },
- update_array /* update */
-};
+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;
+
+ 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);
+}
projects / mesa.git / blobdiff