* this function whether the user called glBegin/End, glDrawArrays,
* glDrawElements, glEvalMesh, or glCalList, etc.
*
- * We basically convert the VBO's vertex attribute/array information into
- * Gallium vertex state, bind the vertex buffer objects and call
- * pipe->draw_vbo().
- *
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "../glsl/ir_uniform.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;
- }
- }
- }
-
- if (format == GL_BGRA) {
- /* this is an odd-ball case */
- assert(type == GL_UNSIGNED_BYTE);
- assert(normalized);
- return PIPE_FORMAT_B8G8R8A8_UNORM;
- }
-
- 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;
- }
- }
- return PIPE_FORMAT_NONE; /* silence compiler warning */
-}
-
-
/**
* This is very similar to vbo_all_varyings_in_vbos() but we are
* only interested in per-vertex data. See bug 38626.
}
-/**
- * Examine the active arrays to determine if we have interleaved
- * vertex arrays all living in one VBO, or all living in user space.
- */
-static GLboolean
-is_interleaved_arrays(const struct st_vertex_program *vp,
- const struct st_vp_variant *vpv,
- const struct gl_client_array **arrays)
-{
- 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 */
- }
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * 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
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-setup_interleaved_attribs(struct gl_context *ctx,
- 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[])
-{
- 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;
-
- for (attr = 1; attr < vpv->num_inputs; attr++) {
- const GLubyte *start = arrays[vp->index_to_input[attr]]->Ptr;
- low_addr = MIN2(low_addr, start);
- }
- }
- else {
- /* not sure we'll ever have zero inputs, but play it safe */
- bufobj = NULL;
- stride = 0;
- low_addr = 0;
- }
-
- /* 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);
- }
-
- /*
- * 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 (!stobj || !stobj->buffer) {
- /* probably out of memory (or zero-sized buffer) */
- return GL_FALSE;
- }
-
- 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;
- }
-
- return GL_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
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-setup_non_interleaved_attribs(struct gl_context *ctx,
- 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[])
-{
- 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) {
- /* probably out of memory (or zero-sized buffer) */
- return GL_FALSE;
- }
-
- 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);
- }
-
- return GL_TRUE;
-}
-
-
static void
setup_index_buffer(struct st_context *st,
const struct _mesa_index_buffer *ib,
}
-/*
- * Notes on primitive restart:
- * The code below is used when the gallium driver does not support primitive
- * restart itself. We map the index buffer, find the restart indexes, unmap
- * the index buffer then draw the sub-primitives delineated by the restarts.
- * A couple possible optimizations:
- * 1. Save the list of sub-primitive (start, count) values in a list attached
- * to the index buffer for re-use in subsequent draws. The list would be
- * invalidated when the contents of the buffer changed.
- * 2. If drawing triangle strips or quad strips, create a new index buffer
- * that uses duplicated vertices to render the disjoint strips as one
- * long strip. We'd have to be careful to avoid using too much memory
- * for this.
- * Finally, some apps might perform better if they don't use primitive restart
- * at all rather than this fallback path. Set MESA_EXTENSION_OVERRIDE to
- * "-GL_NV_primitive_restart" to test that.
- */
-
-
-struct sub_primitive
-{
- unsigned start, count;
-};
-
-
-/**
- * Scan the elements array to find restart indexes. Return a list
- * of primitive (start,count) pairs to indicate how to draw the sub-
- * primitives delineated by the restart index.
- */
-static struct sub_primitive *
-find_sub_primitives(const void *elements, unsigned element_size,
- unsigned start, unsigned end, unsigned restart_index,
- unsigned *num_sub_prims)
-{
- const unsigned max_prims = end - start;
- struct sub_primitive *sub_prims;
- unsigned i, cur_start, cur_count, num;
-
- sub_prims = (struct sub_primitive *)
- malloc(max_prims * sizeof(struct sub_primitive));
-
- if (!sub_prims) {
- *num_sub_prims = 0;
- return NULL;
- }
-
- cur_start = start;
- cur_count = 0;
- num = 0;
-
-#define SCAN_ELEMENTS(TYPE) \
- for (i = start; i < end; i++) { \
- if (((const TYPE *) elements)[i] == restart_index) { \
- if (cur_count > 0) { \
- assert(num < max_prims); \
- sub_prims[num].start = cur_start; \
- sub_prims[num].count = cur_count; \
- num++; \
- } \
- cur_start = i + 1; \
- cur_count = 0; \
- } \
- else { \
- cur_count++; \
- } \
- } \
- if (cur_count > 0) { \
- assert(num < max_prims); \
- sub_prims[num].start = cur_start; \
- sub_prims[num].count = cur_count; \
- num++; \
- }
-
- switch (element_size) {
- case 1:
- SCAN_ELEMENTS(ubyte);
- break;
- case 2:
- SCAN_ELEMENTS(ushort);
- break;
- case 4:
- SCAN_ELEMENTS(uint);
- break;
- default:
- assert(0 && "bad index_size in find_sub_primitives()");
- }
-
-#undef SCAN_ELEMENTS
-
- *num_sub_prims = num;
-
- return sub_prims;
-}
-
-
-/**
- * For gallium drivers that don't support the primitive restart
- * feature, handle it here by breaking up the indexed primitive into
- * sub-primitives.
- */
-static void
-handle_fallback_primitive_restart(struct cso_context *cso,
- struct pipe_context *pipe,
- const struct _mesa_index_buffer *ib,
- struct pipe_index_buffer *ibuffer,
- struct pipe_draw_info *orig_info)
-{
- const unsigned start = orig_info->start;
- const unsigned count = orig_info->count;
- struct pipe_draw_info info = *orig_info;
- struct pipe_transfer *transfer = NULL;
- unsigned instance, i;
- const void *ptr = NULL;
- struct sub_primitive *sub_prims;
- unsigned num_sub_prims;
-
- assert(info.indexed);
- assert(ibuffer->buffer || ibuffer->user_buffer);
- assert(ib);
-
- if (!ibuffer->buffer || !ibuffer->user_buffer || !ib)
- return;
-
- info.primitive_restart = FALSE;
- info.instance_count = 1;
-
- if (_mesa_is_bufferobj(ib->obj)) {
- ptr = pipe_buffer_map_range(pipe, ibuffer->buffer,
- start * ibuffer->index_size, /* start */
- count * ibuffer->index_size, /* length */
- PIPE_TRANSFER_READ, &transfer);
- if (!ptr)
- return;
-
- ptr = (uint8_t*)ptr + (ibuffer->offset - start * ibuffer->index_size);
- }
- else {
- ptr = ib->ptr;
- if (!ptr)
- return;
- }
-
- sub_prims = find_sub_primitives(ptr, ibuffer->index_size,
- 0, count, orig_info->restart_index,
- &num_sub_prims);
-
- if (transfer)
- pipe_buffer_unmap(pipe, transfer);
-
- /* Now draw the sub primitives.
- * Need to loop over instances as well to preserve draw order.
- */
- for (instance = 0; instance < orig_info->instance_count; instance++) {
- info.start_instance = instance + orig_info->start_instance;
- for (i = 0; i < num_sub_prims; i++) {
- info.start = sub_prims[i].start;
- info.count = sub_prims[i].count;
- if (u_trim_pipe_prim(info.mode, &info.count)) {
- cso_draw_vbo(cso, &info);
- }
- }
- }
-
- if (sub_prims)
- free(sub_prims);
-}
-
-
/**
* Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
* the corresponding Gallium type.
translate_prim(const struct gl_context *ctx, unsigned prim)
{
/* GL prims should match Gallium prims, spot-check a few */
- assert(GL_POINTS == PIPE_PRIM_POINTS);
- assert(GL_QUADS == PIPE_PRIM_QUADS);
- assert(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
+ STATIC_ASSERT(GL_POINTS == PIPE_PRIM_POINTS);
+ STATIC_ASSERT(GL_QUADS == PIPE_PRIM_QUADS);
+ STATIC_ASSERT(GL_TRIANGLE_STRIP_ADJACENCY == PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY);
/* Avoid quadstrips if it's easy to do so:
* Note: it's important to do the correct trimming if we change the
}
-/**
- * Setup vertex arrays and buffers prior to drawing.
- * \return GL_TRUE for success, GL_FALSE otherwise (probably out of memory)
- */
-static GLboolean
-st_validate_varrays(struct gl_context *ctx,
- const struct gl_client_array **arrays)
-{
- struct st_context *st = st_context(ctx);
- 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;
-
- /* must get these after state validation! */
- 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(ctx, vp, vpv, arrays, vbuffer,
- velements)) {
- return GL_FALSE;
- }
-
- num_vbuffers = 1;
- num_velements = vpv->num_inputs;
- if (num_velements == 0)
- num_vbuffers = 0;
- }
- else {
- if (!setup_non_interleaved_attribs(ctx, vp, vpv, arrays,
- vbuffer, velements)) {
- return GL_FALSE;
- }
-
- 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);
-
- return GL_TRUE;
-}
-
-
/**
* This function gets plugged into the VBO module and is called when
* we have something to render.
struct gl_transform_feedback_object *tfb_vertcount)
{
struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
struct pipe_index_buffer ibuffer = {0};
struct pipe_draw_info info;
const struct gl_client_array **arrays = ctx->Array._DrawArrays;
unsigned i;
- GLboolean new_array;
/* Mesa core state should have been validated already */
assert(ctx->NewState == 0x0);
- /* Get Mesa driver state. */
- st->dirty.st |= ctx->NewDriverState;
- ctx->NewDriverState = 0;
-
- new_array =
- (st->dirty.st & (ST_NEW_VERTEX_ARRAYS | ST_NEW_VERTEX_PROGRAM)) ||
- (st->dirty.mesa & (_NEW_PROGRAM | _NEW_BUFFER_OBJECT)) != 0;
-
/* Validate state. */
- if (st->dirty.st) {
- GLboolean vertDataEdgeFlags;
-
- vertDataEdgeFlags = arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj &&
- arrays[VERT_ATTRIB_EDGEFLAG]->BufferObj->Name;
- if (vertDataEdgeFlags != st->vertdata_edgeflags) {
- st->vertdata_edgeflags = vertDataEdgeFlags;
- st->dirty.st |= ST_NEW_EDGEFLAGS_DATA;
- }
-
+ if (st->dirty.st || ctx->NewDriverState) {
st_validate_state(st);
- if (new_array) {
- if (!st_validate_varrays(ctx, arrays)) {
- /* probably out of memory, no-op the draw call */
- return;
- }
- }
+ if (st->vertex_array_out_of_memory)
+ return;
#if 0
if (MESA_VERBOSE & VERBOSE_GLSL) {
info.mode = translate_prim( ctx, prims[i].mode );
info.start = prims[i].start;
info.count = prims[i].count;
+ info.start_instance = prims[i].base_instance;
info.instance_count = prims[i].num_instances;
info.index_bias = prims[i].basevertex;
if (!ib) {
cso_draw_vbo(st->cso_context, &info);
}
else if (info.primitive_restart) {
- if (st->sw_primitive_restart) {
- /* Handle primitive restart for drivers that doesn't support it */
- handle_fallback_primitive_restart(st->cso_context, pipe, ib,
- &ibuffer, &info);
- }
- else {
- /* don't trim, restarts might be inside index list */
- cso_draw_vbo(st->cso_context, &info);
- }
+ /* don't trim, restarts might be inside index list */
+ cso_draw_vbo(st->cso_context, &info);
}
else if (u_trim_pipe_prim(info.mode, &info.count))
cso_draw_vbo(st->cso_context, &info);
projects / mesa.git / blobdiff