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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_array.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_array.c172
1 files changed, 131 insertions, 41 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_array.c b/mesalib/src/mesa/state_tracker/st_atom_array.c
index d4fb8b862..56b8019a3 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_array.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_array.c
@@ -44,7 +44,6 @@
#include "cso_cache/cso_context.h"
#include "util/u_math.h"
-
#include "main/bufferobj.h"
#include "main/glformats.h"
@@ -311,6 +310,18 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
return PIPE_FORMAT_NONE; /* silence compiler warning */
}
+static const struct gl_client_array *
+get_client_array(const struct st_vertex_program *vp,
+ const struct gl_client_array **arrays,
+ int attr)
+{
+ const GLuint mesaAttr = vp->index_to_input[attr];
+ /* st_program uses 0xffffffff to denote a double placeholder attribute */
+ if (mesaAttr == ST_DOUBLE_ATTRIB_PLACEHOLDER)
+ return NULL;
+ return arrays[mesaAttr];
+}
+
/**
* Examine the active arrays to determine if we have interleaved
* vertex arrays all living in one VBO, or all living in user space.
@@ -327,11 +338,16 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
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 */
+ const struct gl_client_array *array;
+ const struct gl_buffer_object *bufObj;
+ GLsizei stride;
+
+ array = get_client_array(vp, arrays, attr);
+ if (!array)
+ continue;
+ stride = array->StrideB; /* in bytes */
+ bufObj = array->BufferObj;
if (attr == 0) {
/* save info about the first array */
firstStride = stride;
@@ -358,6 +374,55 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
return GL_TRUE;
}
+static void init_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);
+}
+
+static void init_velement_lowered(struct st_context *st,
+ struct pipe_vertex_element *velements,
+ int src_offset, int format,
+ int instance_divisor, int vbo_index,
+ int nr_components, GLboolean doubles,
+ GLuint *attr_idx)
+{
+ int idx = *attr_idx;
+ if (doubles) {
+ int lower_format;
+
+ if (nr_components == 1)
+ lower_format = PIPE_FORMAT_R32G32_UINT;
+ else if (nr_components >= 2)
+ lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
+
+ init_velement(&velements[idx], src_offset,
+ lower_format, instance_divisor, vbo_index);
+ idx++;
+
+ if (nr_components > 2) {
+ if (nr_components == 3)
+ lower_format = PIPE_FORMAT_R32G32_UINT;
+ else if (nr_components >= 4)
+ lower_format = PIPE_FORMAT_R32G32B32A32_UINT;
+
+ init_velement(&velements[idx], src_offset + 4 * sizeof(float),
+ lower_format, instance_divisor, vbo_index);
+ idx++;
+ }
+ } else {
+ init_velement(&velements[idx], src_offset,
+ format, instance_divisor, vbo_index);
+ idx++;
+ }
+ *attr_idx = idx;
+}
+
/**
* Set up for drawing interleaved arrays that all live in one VBO
* or all live in user space.
@@ -365,13 +430,15 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
* \param velements returns vertex element info
*/
static boolean
-setup_interleaved_attribs(const struct st_vertex_program *vp,
+setup_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[])
+ struct pipe_vertex_element velements[],
+ unsigned *num_velements)
{
- GLuint attr;
+ GLuint attr, attr_idx;
const GLubyte *low_addr = NULL;
GLboolean usingVBO; /* all arrays in a VBO? */
struct gl_buffer_object *bufobj;
@@ -381,8 +448,10 @@ setup_interleaved_attribs(const struct st_vertex_program *vp,
* Init bufobj and stride.
*/
if (vpv->num_inputs) {
- const GLuint mesaAttr0 = vp->index_to_input[0];
- const struct gl_client_array *array = arrays[mesaAttr0];
+ const struct gl_client_array *array;
+
+ array = get_client_array(vp, arrays, 0);
+ assert(array);
/* 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.
@@ -394,7 +463,11 @@ setup_interleaved_attribs(const struct st_vertex_program *vp,
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;
+ const GLubyte *start;
+ array = get_client_array(vp, arrays, attr);
+ if (!array)
+ continue;
+ start = array->Ptr;
low_addr = MIN2(low_addr, start);
}
}
@@ -408,25 +481,33 @@ setup_interleaved_attribs(const struct st_vertex_program *vp,
/* are the arrays in user space? */
usingVBO = _mesa_is_bufferobj(bufobj);
+ attr_idx = 0;
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);
+ const struct gl_client_array *array;
+ unsigned src_offset;
+ unsigned src_format;
+
+ array = get_client_array(vp, arrays, attr);
+ if (!array)
+ continue;
+ src_offset = (unsigned) (array->Ptr - low_addr);
assert(array->_ElementSize ==
_mesa_bytes_per_vertex_attrib(array->Size, 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);
+ src_format = st_pipe_vertex_format(array->Type,
+ array->Size,
+ array->Format,
+ array->Normalized,
+ array->Integer);
+
+ init_velement_lowered(st, velements, src_offset, src_format,
+ array->InstanceDivisor, 0,
+ array->Size, array->Doubles, &attr_idx);
}
+ *num_velements = attr_idx;
+
/*
* Return the vbuffer info and setup user-space attrib info, if needed.
*/
@@ -472,17 +553,25 @@ setup_non_interleaved_attribs(struct st_context *st,
const struct st_vp_variant *vpv,
const struct gl_client_array **arrays,
struct pipe_vertex_buffer vbuffer[],
- struct pipe_vertex_element velements[])
+ struct pipe_vertex_element velements[],
+ unsigned *num_velements)
{
struct gl_context *ctx = st->ctx;
- GLuint attr;
+ GLuint attr, attr_idx = 0;
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;
+ const struct gl_client_array *array;
+ struct gl_buffer_object *bufobj;
+ GLsizei stride;
+ unsigned src_format;
+ array = get_client_array(vp, arrays, attr);
+ if (!array)
+ continue;
+
+ stride = array->StrideB;
+ bufobj = array->BufferObj;
assert(array->_ElementSize ==
_mesa_bytes_per_vertex_attrib(array->Size, array->Type));
@@ -524,16 +613,19 @@ setup_non_interleaved_attribs(struct st_context *st,
/* 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);
+ src_format = st_pipe_vertex_format(array->Type,
+ array->Size,
+ array->Format,
+ array->Normalized,
+ array->Integer);
+
+ init_velement_lowered(st, velements, 0, src_format,
+ array->InstanceDivisor, attr,
+ array->Size, array->Doubles, &attr_idx);
+
}
+
+ *num_velements = attr_idx;
return TRUE;
}
@@ -563,25 +655,23 @@ static void update_array(struct st_context *st)
* Setup the vbuffer[] and velements[] arrays.
*/
if (is_interleaved_arrays(vp, vpv, arrays)) {
- if (!setup_interleaved_attribs(vp, vpv, arrays, vbuffer, velements)) {
+ if (!setup_interleaved_attribs(st, vp, vpv, arrays, vbuffer, velements, &num_velements)) {
st->vertex_array_out_of_memory = TRUE;
return;
}
num_vbuffers = 1;
- num_velements = vpv->num_inputs;
if (num_velements == 0)
num_vbuffers = 0;
}
else {
if (!setup_non_interleaved_attribs(st, vp, vpv, arrays, vbuffer,
- velements)) {
+ velements, &num_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, 0, num_vbuffers, vbuffer);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 21:05:29 +0000