wined3d: Avoid double initialization.

dlls/wined3d/arb_program_shader.c

@@ -5417,8 +5417,8 @@ static void get_loop_control_const(const struct wined3d_shader_instruction *ins,
 static void record_instruction(struct list *list, const struct wined3d_shader_instruction *ins)
 {
     unsigned int i;
-    struct wined3d_shader_dst_param *dst_param = NULL;
-    struct wined3d_shader_src_param *src_param = NULL, *rel_addr = NULL;
+    struct wined3d_shader_dst_param *dst_param;
+    struct wined3d_shader_src_param *src_param = NULL, *rel_addr;
     struct recorded_instruction *rec = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*rec));
     if(!rec)
     {

dlls/wined3d/buffer.c

@@ -650,7 +650,7 @@ drop_query:
 static void buffer_direct_upload(struct wined3d_buffer *This, const struct wined3d_gl_info *gl_info, DWORD flags)
 {
     BYTE *map;
-    UINT start = 0, len = 0;
+    UINT start, len;
 
     /* This potentially invalidates the element array buffer binding, but the
      * caller always takes care of this. */
@@ -722,7 +722,7 @@ void buffer_internal_preload(struct wined3d_buffer *buffer, struct wined3d_conte
 {
     DWORD flags = buffer->flags & (WINED3D_BUFFER_SYNC | WINED3D_BUFFER_DISCARD);
     struct wined3d_device *device = buffer->resource.device;
-    UINT start = 0, end = 0, len = 0, vertices;
+    UINT start, end, len, vertices;
     const struct wined3d_gl_info *gl_info;
     BOOL decl_changed = FALSE;
     unsigned int i, j;

dlls/wined3d/drawprim.c

@@ -99,7 +99,7 @@ static void drawStridedSlow(const struct wined3d_device *device, struct wined3d_
         const struct wined3d_stream_info *si, UINT NumVertexes, GLenum glPrimType,
         const void *idxData, UINT idxSize, UINT startIdx)
 {
-    unsigned int               textureNo    = 0;
+    unsigned int               textureNo;
     const WORD                *pIdxBufS     = NULL;
     const DWORD               *pIdxBufL     = NULL;
     UINT vx_index;

dlls/wined3d/glsl_shader.c

@@ -1284,7 +1284,7 @@ static void shader_glsl_load_constants(void *shader_priv, struct wined3d_context
     const struct wined3d_gl_info *gl_info = context->gl_info;
     struct shader_glsl_priv *priv = shader_priv;
     float position_fixup[4];
-    DWORD update_mask = 0;
+    DWORD update_mask;
 
     struct glsl_shader_prog_link *prog = ctx_data->glsl_program;
     UINT constant_version;
@@ -2065,8 +2065,6 @@ static const char * const shift_glsl_tab[] = {
 static void shader_glsl_gen_modifier(enum wined3d_shader_src_modifier src_modifier,
         const char *in_reg, const char *in_regswizzle, char *out_str)
 {
-    out_str[0] = 0;
-
     switch (src_modifier)
     {
     case WINED3DSPSM_DZ: /* Need to handle this in the instructions itself (texld & texcrd). */
@@ -3107,7 +3105,7 @@ static void shader_glsl_dot(const struct wined3d_shader_instruction *ins)
     struct glsl_src_param src0_param;
     struct glsl_src_param src1_param;
     DWORD dst_write_mask, src_write_mask;
-    unsigned int dst_size = 0;
+    unsigned int dst_size;
 
     dst_write_mask = shader_glsl_append_dst(buffer, ins);
     dst_size = shader_glsl_get_write_mask_size(dst_write_mask);
@@ -4960,7 +4958,7 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
         BOOL per_vertex_point_size, BOOL flatshading, const struct wined3d_gl_info *gl_info)
 {
     struct wined3d_string_buffer *buffer = &priv->shader_buffer;
-    GLuint ret = 0;
+    GLuint ret;
     DWORD ps_major = ps ? ps->reg_maps.shader_version.major : 0;
     unsigned int i;
     const char *semantic_name;
@@ -6878,7 +6876,7 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
     struct wined3d_shader *vshader = NULL;
     struct wined3d_shader *gshader = NULL;
     struct wined3d_shader *pshader = NULL;
-    GLuint program_id = 0;
+    GLuint program_id;
     GLuint reorder_shader_id = 0;
     unsigned int i;
     GLuint vs_id = 0;

dlls/wined3d/state.c

@@ -3198,7 +3198,7 @@ static void load_tex_coords(const struct wined3d_context *context, const struct
 {
     const struct wined3d_gl_info *gl_info = context->gl_info;
     unsigned int mapped_stage = 0;
-    unsigned int textureNo = 0;
+    unsigned int textureNo;
 
     for (textureNo = 0; textureNo < context->d3d_info->limits.ffp_blend_stages; ++textureNo)
     {