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path: root/mesalib/src/mesa/state_tracker/st_draw.c
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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_draw.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_draw.c127
1 files changed, 69 insertions, 58 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_draw.c b/mesalib/src/mesa/state_tracker/st_draw.c
index 40afa4362..487f3f19c 100644
--- a/mesalib/src/mesa/state_tracker/st_draw.c
+++ b/mesalib/src/mesa/state_tracker/st_draw.c
@@ -181,7 +181,7 @@ static GLuint fixed_types[4] = {
/**
* Return a PIPE_FORMAT_x for the given GL datatype and size.
*/
-GLuint
+enum pipe_format
st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
GLboolean normalized)
{
@@ -211,7 +211,7 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
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) {
@@ -226,15 +226,13 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
case GL_UNSIGNED_BYTE: return ubyte_types_scale[size-1];
case GL_FIXED: return fixed_types[size-1];
default: assert(0); return 0;
- }
+ }
}
- return 0; /* silence compiler warning */
+ 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.
@@ -253,8 +251,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
for (attr = 0; attr < vpv->num_inputs; attr++) {
const GLuint mesaAttr = vp->index_to_input[attr];
- const struct gl_buffer_object *bufObj = arrays[mesaAttr]->BufferObj;
- const GLsizei stride = arrays[mesaAttr]->StrideB; /* in bytes */
+ const struct gl_client_array *array = arrays[mesaAttr];
+ const struct gl_buffer_object *bufObj = array->BufferObj;
+ const GLsizei stride = array->StrideB; /* in bytes */
if (firstStride < 0) {
firstStride = stride;
@@ -272,9 +271,9 @@ is_interleaved_arrays(const struct st_vertex_program *vp,
return GL_FALSE;
}
if (!client_addr) {
- client_addr = arrays[mesaAttr]->Ptr;
+ client_addr = array->Ptr;
}
- else if (abs(arrays[mesaAttr]->Ptr - client_addr) > firstStride) {
+ else if (abs(array->Ptr - client_addr) > firstStride) {
/* arrays start too far apart */
return GL_FALSE;
}
@@ -315,8 +314,8 @@ setup_interleaved_attribs(struct gl_context *ctx,
GLuint attr;
const GLubyte *low_addr = NULL;
- /* Find the lowest address. */
- if(vpv->num_inputs) {
+ /* Find the lowest address of the arrays we're drawing */
+ if (vpv->num_inputs) {
low_addr = arrays[vp->index_to_input[0]]->Ptr;
for (attr = 1; attr < vpv->num_inputs; attr++) {
@@ -327,22 +326,24 @@ setup_interleaved_attribs(struct gl_context *ctx,
for (attr = 0; attr < vpv->num_inputs; attr++) {
const GLuint mesaAttr = vp->index_to_input[attr];
- struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
+ const struct gl_client_array *array = arrays[mesaAttr];
+ struct gl_buffer_object *bufobj = array->BufferObj;
struct st_buffer_object *stobj = st_buffer_object(bufobj);
- GLsizei stride = arrays[mesaAttr]->StrideB;
+ GLsizei stride = array->StrideB;
if (attr == 0) {
if (bufobj && bufobj->Name) {
vbuffer->buffer = NULL;
pipe_resource_reference(&vbuffer->buffer, stobj->buffer);
vbuffer->buffer_offset = pointer_to_offset(low_addr);
- } else {
- uint divisor = arrays[mesaAttr]->InstanceDivisor;
+ }
+ else {
+ uint divisor = array->InstanceDivisor;
uint length = (divisor ? num_instances / divisor : max_index) + 1;
- vbuffer->buffer =
- pipe_user_buffer_create(pipe->screen, (void*)low_addr,
- stride * length,
- PIPE_BIND_VERTEX_BUFFER);
+ vbuffer->buffer = pipe_user_buffer_create(pipe->screen,
+ (void*) low_addr,
+ stride * length,
+ PIPE_BIND_VERTEX_BUFFER);
vbuffer->buffer_offset = 0;
/* Track user vertex buffers. */
@@ -353,15 +354,13 @@ setup_interleaved_attribs(struct gl_context *ctx,
vbuffer->stride = stride; /* in bytes */
}
- velements[attr].src_offset =
- (unsigned) (arrays[mesaAttr]->Ptr - low_addr);
- velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+ velements[attr].src_offset = (unsigned) (array->Ptr - low_addr);
+ velements[attr].instance_divisor = array->InstanceDivisor;
velements[attr].vertex_buffer_index = 0;
- velements[attr].src_format =
- st_pipe_vertex_format(arrays[mesaAttr]->Type,
- arrays[mesaAttr]->Size,
- arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
+ velements[attr].src_format = st_pipe_vertex_format(array->Type,
+ array->Size,
+ array->Format,
+ array->Normalized);
assert(velements[attr].src_format);
}
}
@@ -389,8 +388,9 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
for (attr = 0; attr < vpv->num_inputs; attr++) {
const GLuint mesaAttr = vp->index_to_input[attr];
- struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
- GLsizei stride = arrays[mesaAttr]->StrideB;
+ const struct gl_client_array *array = arrays[mesaAttr];
+ struct gl_buffer_object *bufobj = array->BufferObj;
+ GLsizei stride = array->StrideB;
if (bufobj && bufobj->Name) {
/* Attribute data is in a VBO.
@@ -402,30 +402,39 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
vbuffer[attr].buffer = NULL;
pipe_resource_reference(&vbuffer[attr].buffer, stobj->buffer);
- vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr);
+ vbuffer[attr].buffer_offset = pointer_to_offset(array->Ptr);
}
else {
/* wrap user data */
- if (arrays[mesaAttr]->Ptr) {
- uint divisor = arrays[mesaAttr]->InstanceDivisor;
- uint length = (divisor ? num_instances / divisor : max_index) + 1;
- vbuffer[attr].buffer =
- pipe_user_buffer_create(pipe->screen,
- (void *) arrays[mesaAttr]->Ptr,
- stride * length,
- PIPE_BIND_VERTEX_BUFFER);
+ uint bytes;
+ void *ptr;
+
+ if (array->Ptr) {
+ if (stride == 0) {
+ bytes = _mesa_sizeof_type(array->Type) * array->Size;
+ }
+ else {
+ uint divisor = array->InstanceDivisor;
+ uint length = (divisor ? num_instances / divisor : max_index) + 1;
+ bytes = stride * length;
+ }
+
+ ptr = (void *) array->Ptr;
}
else {
/* no array, use ctx->Current.Attrib[] value */
- uint bytes = sizeof(ctx->Current.Attrib[0]);
- vbuffer[attr].buffer =
- pipe_user_buffer_create(pipe->screen,
- (void *) ctx->Current.Attrib[mesaAttr],
- bytes,
- PIPE_BIND_VERTEX_BUFFER);
+ bytes = sizeof(ctx->Current.Attrib[0]);
+ ptr = (void *) ctx->Current.Attrib[mesaAttr];
stride = 0;
}
+ assert(ptr);
+ assert(bytes);
+
+ vbuffer[attr].buffer =
+ pipe_user_buffer_create(pipe->screen, ptr, bytes,
+ PIPE_BIND_VERTEX_BUFFER);
+
vbuffer[attr].buffer_offset = 0;
/* Track user vertex buffers. */
@@ -438,13 +447,12 @@ setup_non_interleaved_attribs(struct gl_context *ctx,
vbuffer[attr].stride = stride; /* in bytes */
velements[attr].src_offset = 0;
- velements[attr].instance_divisor = arrays[mesaAttr]->InstanceDivisor;
+ velements[attr].instance_divisor = array->InstanceDivisor;
velements[attr].vertex_buffer_index = attr;
- velements[attr].src_format
- = st_pipe_vertex_format(arrays[mesaAttr]->Type,
- arrays[mesaAttr]->Size,
- arrays[mesaAttr]->Format,
- arrays[mesaAttr]->Normalized);
+ velements[attr].src_format = st_pipe_vertex_format(array->Type,
+ array->Size,
+ array->Format,
+ array->Normalized);
assert(velements[attr].src_format);
}
}
@@ -594,7 +602,8 @@ st_validate_varrays(struct gl_context *ctx,
}
else {
setup_non_interleaved_attribs(ctx, vp, vpv, arrays,
- vbuffer, velements, max_index, num_instances);
+ vbuffer, velements, max_index,
+ num_instances);
num_vbuffers = vpv->num_inputs;
num_velements = vpv->num_inputs;
}
@@ -647,7 +656,8 @@ st_draw_vbo(struct gl_context *ctx,
for (i = 0; i < nr_prims; i++) {
num_instances = MAX2(num_instances, prims[i].num_instances);
}
- } else {
+ }
+ else {
/* Get min/max index for non-indexed drawing. */
min_index = ~0;
max_index = 0;
@@ -699,7 +709,8 @@ st_draw_vbo(struct gl_context *ctx,
pipe->redefine_user_buffer(pipe, st->user_vb[i],
min_index * stride,
(max_index + 1 - min_index) * stride);
- } else {
+ }
+ else {
/* stride == 0 */
pipe->redefine_user_buffer(pipe, st->user_vb[i],
0, st->user_vb[i]->width0);
@@ -743,7 +754,8 @@ st_draw_vbo(struct gl_context *ctx,
}
-void st_init_draw( struct st_context *st )
+void
+st_init_draw(struct st_context *st)
{
struct gl_context *ctx = st->ctx;
@@ -763,11 +775,10 @@ void st_init_draw( struct st_context *st )
}
-void st_destroy_draw( struct st_context *st )
+void
+st_destroy_draw(struct st_context *st)
{
#if FEATURE_feedback || FEATURE_rastpos
draw_destroy(st->draw);
#endif
}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 09:21:33 +0000