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Diffstat (limited to 'src/mesa/vbo/vbo_save_api.c')
-rw-r--r--src/mesa/vbo/vbo_save_api.c91
1 files changed, 71 insertions, 20 deletions
diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
index eba64b3b346..64da7ac4993 100644
--- a/src/mesa/vbo/vbo_save_api.c
+++ b/src/mesa/vbo/vbo_save_api.c
@@ -81,6 +81,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "main/dispatch.h"
#include "vbo_context.h"
+#include "vbo_noop.h"
#if FEATURE_dlist
@@ -184,6 +185,7 @@ _save_copy_vertices(struct gl_context *ctx,
static struct vbo_save_vertex_store *
alloc_vertex_store(struct gl_context *ctx)
{
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
struct vbo_save_vertex_store *vertex_store =
CALLOC_STRUCT(vbo_save_vertex_store);
@@ -196,11 +198,22 @@ alloc_vertex_store(struct gl_context *ctx)
vertex_store->bufferobj = ctx->Driver.NewBufferObject(ctx,
VBO_BUF_ID,
GL_ARRAY_BUFFER_ARB);
+ if (vertex_store->bufferobj) {
+ save->out_of_memory =
+ !ctx->Driver.BufferData(ctx,
+ GL_ARRAY_BUFFER_ARB,
+ VBO_SAVE_BUFFER_SIZE * sizeof(GLfloat),
+ NULL, GL_STATIC_DRAW_ARB,
+ vertex_store->bufferobj);
+ }
+ else {
+ save->out_of_memory = GL_TRUE;
+ }
- ctx->Driver.BufferData(ctx,
- GL_ARRAY_BUFFER_ARB,
- VBO_SAVE_BUFFER_SIZE * sizeof(GLfloat),
- NULL, GL_STATIC_DRAW_ARB, vertex_store->bufferobj);
+ if (save->out_of_memory) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "internal VBO allocation");
+ _mesa_install_save_vtxfmt(ctx, &save->vtxfmt_noop);
+ }
vertex_store->buffer = NULL;
vertex_store->used = 0;
@@ -230,14 +243,19 @@ map_vertex_store(struct gl_context *ctx,
{
assert(vertex_store->bufferobj);
assert(!vertex_store->buffer);
- vertex_store->buffer =
- (GLfloat *) ctx->Driver.MapBufferRange(ctx, 0,
- vertex_store->bufferobj->Size,
- GL_MAP_WRITE_BIT, /* not used */
- vertex_store->bufferobj);
-
- assert(vertex_store->buffer);
- return vertex_store->buffer + vertex_store->used;
+ if (vertex_store->bufferobj->Size > 0) {
+ vertex_store->buffer =
+ (GLfloat *) ctx->Driver.MapBufferRange(ctx, 0,
+ vertex_store->bufferobj->Size,
+ GL_MAP_WRITE_BIT, /* not used */
+ vertex_store->bufferobj);
+ assert(vertex_store->buffer);
+ return vertex_store->buffer + vertex_store->used;
+ }
+ else {
+ /* probably ran out of memory for buffers */
+ return NULL;
+ }
}
@@ -245,7 +263,9 @@ static void
unmap_vertex_store(struct gl_context *ctx,
struct vbo_save_vertex_store *vertex_store)
{
- ctx->Driver.UnmapBuffer(ctx, vertex_store->bufferobj);
+ if (vertex_store->bufferobj->Size > 0) {
+ ctx->Driver.UnmapBuffer(ctx, vertex_store->bufferobj);
+ }
vertex_store->buffer = NULL;
}
@@ -399,6 +419,7 @@ _save_compile_vertex_list(struct gl_context *ctx)
*/
save->vertex_store = alloc_vertex_store(ctx);
save->buffer_ptr = map_vertex_store(ctx, save->vertex_store);
+ save->out_of_memory = save->buffer_ptr == NULL;
}
if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) {
@@ -732,7 +753,12 @@ dlist_fallback(struct gl_context *ctx)
_save_copy_to_current(ctx);
_save_reset_vertex(ctx);
_save_reset_counters(ctx);
- _mesa_install_save_vtxfmt(ctx, &ctx->ListState.ListVtxfmt);
+ if (save->out_of_memory) {
+ _mesa_install_save_vtxfmt(ctx, &save->vtxfmt_noop);
+ }
+ else {
+ _mesa_install_save_vtxfmt(ctx, &ctx->ListState.ListVtxfmt);
+ }
ctx->Driver.SaveNeedFlush = 0;
}
@@ -825,7 +851,12 @@ vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode)
save->prim[i].count = 0;
save->prim[i].num_instances = 1;
- _mesa_install_save_vtxfmt(ctx, &save->vtxfmt);
+ if (save->out_of_memory) {
+ _mesa_install_save_vtxfmt(ctx, &save->vtxfmt_noop);
+ }
+ else {
+ _mesa_install_save_vtxfmt(ctx, &save->vtxfmt);
+ }
ctx->Driver.SaveNeedFlush = 1;
return GL_TRUE;
}
@@ -851,7 +882,12 @@ _save_End(void)
* etc. received between here and the next begin will be compiled
* as opcodes.
*/
- _mesa_install_save_vtxfmt(ctx, &ctx->ListState.ListVtxfmt);
+ if (save->out_of_memory) {
+ _mesa_install_save_vtxfmt(ctx, &save->vtxfmt_noop);
+ }
+ else {
+ _mesa_install_save_vtxfmt(ctx, &ctx->ListState.ListVtxfmt);
+ }
}
@@ -1042,11 +1078,15 @@ static void GLAPIENTRY
_save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
GLint i;
if (!_mesa_validate_DrawArrays(ctx, mode, start, count))
return;
+ if (save->out_of_memory)
+ return;
+
_ae_map_vbos(ctx);
vbo_save_NotifyBegin(ctx, (mode | VBO_SAVE_PRIM_WEAK
@@ -1068,11 +1108,15 @@ _save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid * indices)
{
GET_CURRENT_CONTEXT(ctx);
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
GLint i;
if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices, 0))
return;
+ if (save->out_of_memory)
+ return;
+
_ae_map_vbos(ctx);
if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj))
@@ -1112,10 +1156,16 @@ _save_OBE_DrawRangeElements(GLenum mode, GLuint start, GLuint end,
const GLvoid * indices)
{
GET_CURRENT_CONTEXT(ctx);
- if (_mesa_validate_DrawRangeElements(ctx, mode,
- start, end, count, type, indices, 0)) {
- _save_OBE_DrawElements(mode, count, type, indices);
- }
+ struct vbo_save_context *save = &vbo_context(ctx)->save;
+
+ if (!_mesa_validate_DrawRangeElements(ctx, mode,
+ start, end, count, type, indices, 0))
+ return;
+
+ if (save->out_of_memory)
+ return;
+
+ _save_OBE_DrawElements(mode, count, type, indices);
}
@@ -1487,6 +1537,7 @@ vbo_save_api_init(struct vbo_save_context *save)
_save_vtxfmt_init(ctx);
_save_current_init(ctx);
+ _mesa_noop_vtxfmt_init(&save->vtxfmt_noop);
/* These will actually get set again when binding/drawing */
for (i = 0; i < VBO_ATTRIB_MAX; i++)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:49:40 +0000