diff options
Diffstat (limited to 'src/mesa/main/buffers.c')
| -rw-r--r-- | src/mesa/main/buffers.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/mesa/main/buffers.c b/src/mesa/main/buffers.c index 5c37f0f5376..d3640479f00 100644 --- a/src/mesa/main/buffers.c +++ b/src/mesa/main/buffers.c @@ -170,7 +170,7 @@ draw_buffer_enum_to_bitmask(const struct gl_context *ctx, GLenum buffer) * Helper routine used by glReadBuffer. * Given a GLenum naming a color buffer, return the index of the corresponding * renderbuffer (a BUFFER_* value). - * return -1 for an invalid buffer. + * return BUFFER_NONE for an invalid buffer. */ static gl_buffer_index read_buffer_enum_to_index(const struct gl_context *ctx, GLenum buffer) @@ -719,7 +719,7 @@ _mesa_drawbuffers(struct gl_context *ctx, struct gl_framebuffer *fb, if (n > 0 && _mesa_bitcount(destMask[0]) > 1) { GLuint count = 0, destMask0 = destMask[0]; while (destMask0) { - const int bufIndex = u_bit_scan(&destMask0); + const gl_buffer_index bufIndex = u_bit_scan(&destMask0); if (fb->_ColorDrawBufferIndexes[count] != bufIndex) { updated_drawbuffers(ctx, fb); fb->_ColorDrawBufferIndexes[count] = bufIndex; @@ -733,7 +733,7 @@ _mesa_drawbuffers(struct gl_context *ctx, struct gl_framebuffer *fb, GLuint count = 0; for (buf = 0; buf < n; buf++ ) { if (destMask[buf]) { - GLint bufIndex = ffs(destMask[buf]) - 1; + gl_buffer_index bufIndex = ffs(destMask[buf]) - 1; /* only one bit should be set in the destMask[buf] field */ assert(_mesa_bitcount(destMask[buf]) == 1); if (fb->_ColorDrawBufferIndexes[buf] != bufIndex) { @@ -743,9 +743,9 @@ _mesa_drawbuffers(struct gl_context *ctx, struct gl_framebuffer *fb, count = buf + 1; } else { - if (fb->_ColorDrawBufferIndexes[buf] != -1) { + if (fb->_ColorDrawBufferIndexes[buf] != BUFFER_NONE) { updated_drawbuffers(ctx, fb); - fb->_ColorDrawBufferIndexes[buf] = -1; + fb->_ColorDrawBufferIndexes[buf] = BUFFER_NONE; } } fb->ColorDrawBuffer[buf] = buffers[buf]; @@ -753,11 +753,11 @@ _mesa_drawbuffers(struct gl_context *ctx, struct gl_framebuffer *fb, fb->_NumColorDrawBuffers = count; } - /* set remaining outputs to -1 (GL_NONE) */ + /* set remaining outputs to BUFFER_NONE */ for (buf = fb->_NumColorDrawBuffers; buf < ctx->Const.MaxDrawBuffers; buf++) { - if (fb->_ColorDrawBufferIndexes[buf] != -1) { + if (fb->_ColorDrawBufferIndexes[buf] != BUFFER_NONE) { updated_drawbuffers(ctx, fb); - fb->_ColorDrawBufferIndexes[buf] = -1; + fb->_ColorDrawBufferIndexes[buf] = BUFFER_NONE; } } for (buf = n; buf < ctx->Const.MaxDrawBuffers; buf++) { |