diff options
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 99163d6d0f4..ff87c84a23b 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -2451,7 +2451,7 @@ _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcX, GLint srcY, struct copypix_state *copypix = &ctx->Meta->CopyPix; struct temp_texture *tex = get_temp_texture(ctx); struct vertex { - GLfloat x, y, z, s, t; + GLfloat x, y, z, tex[4]; }; struct vertex verts[4]; GLboolean newTex; @@ -2493,7 +2493,7 @@ _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcX, GLint srcY, /* setup vertex arrays */ _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); - _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s)); + _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(tex)); _mesa_EnableClientState(GL_VERTEX_ARRAY); _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY); } @@ -2504,6 +2504,9 @@ _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcX, GLint srcY, newTex = alloc_texture(tex, width, height, intFormat); + /* Silence valgrind warnings about reading uninitialized stack. */ + memset(verts, 0, sizeof(verts)); + /* vertex positions, texcoords (after texture allocation!) */ { const GLfloat dstX0 = (GLfloat) dstX; @@ -2515,23 +2518,23 @@ _mesa_meta_CopyPixels(struct gl_context *ctx, GLint srcX, GLint srcY, verts[0].x = dstX0; verts[0].y = dstY0; verts[0].z = z; - verts[0].s = 0.0F; - verts[0].t = 0.0F; + verts[0].tex[0] = 0.0F; + verts[0].tex[1] = 0.0F; verts[1].x = dstX1; verts[1].y = dstY0; verts[1].z = z; - verts[1].s = tex->Sright; - verts[1].t = 0.0F; + verts[1].tex[0] = tex->Sright; + verts[1].tex[1] = 0.0F; verts[2].x = dstX1; verts[2].y = dstY1; verts[2].z = z; - verts[2].s = tex->Sright; - verts[2].t = tex->Ttop; + verts[2].tex[0] = tex->Sright; + verts[2].tex[1] = tex->Ttop; verts[3].x = dstX0; verts[3].y = dstY1; verts[3].z = z; - verts[3].s = 0.0F; - verts[3].t = tex->Ttop; + verts[3].tex[0] = 0.0F; + verts[3].tex[1] = tex->Ttop; /* upload new vertex data */ _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); |