cso: use memcpy rather than structure asignment for copying

Apparently gcc will omit to copy hidden padding bytes under some circumstances,
which means later on memcmp() will indicate a difference between structs
even though all the visible members are identical.
This commit is contained in:
Keith Whitwell 2008-05-25 15:28:30 +01:00
parent eab4472ee6
commit 359058e7b7
1 changed files with 5 additions and 5 deletions

View File

@ -292,7 +292,7 @@ enum pipe_error cso_set_blend(struct cso_context *ctx,
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
cso->state = *templ;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state;
cso->context = ctx->pipe;
@ -350,7 +350,7 @@ enum pipe_error cso_single_sampler(struct cso_context *ctx,
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
cso->state = *templ;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state;
cso->context = ctx->pipe;
@ -508,7 +508,7 @@ enum pipe_error cso_set_depth_stencil_alpha(struct cso_context *ctx,
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
cso->state = *templ;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state;
cso->context = ctx->pipe;
@ -564,7 +564,7 @@ enum pipe_error cso_set_rasterizer(struct cso_context *ctx,
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
cso->state = *templ;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_rasterizer_state;
cso->context = ctx->pipe;
@ -726,7 +726,7 @@ enum pipe_error cso_set_vertex_shader(struct cso_context *ctx,
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
cso->state = *templ;
memcpy(cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state;
cso->context = ctx->pipe;