コード例 #1
0
static int
GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize;
    GLenum format, type, target;
    GLboolean swapBytes;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;

    __GLX_DECLARE_SWAP_VARIABLES;
    char *answer, answerBuffer[200];
    GLint width = 0;

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);

    CALL_GetColorTableParameteriv(GET_DISPATCH(),
                                  (target, GL_COLOR_TABLE_WIDTH, &width));
    /*
     * The one query above might fail if we're in a state where queries
     * are illegal, but then width would still be zero anyway.
     */
    compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
    if (compsize < 0)
        compsize = 0;

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    CALL_GetColorTable(GET_DISPATCH(), (*(GLenum *) (pc + 0),
                                        *(GLenum *) (pc + 4),
                                        *(GLenum *) (pc + 8), answer));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SWAP_INT(&width);
        ((xGLXGetColorTableReply *) & __glXReply)->width = width;
        __GLX_SEND_VOID_ARRAY(compsize);
    }

    return Success;
}
コード例 #2
0
ファイル: singlepixswap.c プロジェクト: mirror/xserver
static int
GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize;
    GLenum format, type, target;
    GLboolean swapBytes, reset;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;

    __GLX_DECLARE_SWAP_VARIABLES;
    char *answer, answerBuffer[200];
    GLint width = 0;
    xGLXSingleReply reply = { 0, };

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);
    reset = *(GLboolean *) (pc + 13);

    glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH, &width);
    /*
     * The one query above might fail if we're in a state where queries
     * are illegal, but then width would still be zero anyway.
     */
    compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
    if (compsize < 0)
        return BadLength;

    glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    glGetHistogram(target, reset, format, type, answer);

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SWAP_INT(&width);
        ((xGLXGetHistogramReply *) &reply)->width = width;
        __GLX_SEND_VOID_ARRAY(compsize);
    }

    return Success;
}
コード例 #3
0
ファイル: indirect_program.c プロジェクト: MrKepzie/xserver
/**
 * Handle both types of glGetProgramString calls.
 */
static int
DoGetProgramString(struct __GLXclientStateRec *cl, GLbyte * pc,
                   PFNGLGETPROGRAMIVARBPROC get_programiv,
                   PFNGLGETPROGRAMSTRINGARBPROC get_program_string,
                   Bool do_swap)
{
    xGLXVendorPrivateWithReplyReq *const req =
        (xGLXVendorPrivateWithReplyReq *) pc;
    int error;
    __GLXcontext *const cx = __glXForceCurrent(cl, req->contextTag, &error);
    ClientPtr client = cl->client;

    pc += __GLX_VENDPRIV_HDR_SIZE;
    if (cx != NULL) {
        GLenum target;
        GLenum pname;
        GLint compsize = 0;
        char *answer = NULL, answerBuffer[200];

        if (do_swap) {
            target = (GLenum) bswap_32(*(int *) (pc + 0));
            pname = (GLenum) bswap_32(*(int *) (pc + 4));
        }
        else {
            target = *(GLenum *) (pc + 0);
            pname = *(GLuint *) (pc + 4);
        }

        /* The value of the GL_PROGRAM_LENGTH_ARB and GL_PROGRAM_LENGTH_NV
         * enumerants is the same.
         */
        get_programiv(target, GL_PROGRAM_LENGTH_ARB, &compsize);

        if (compsize != 0) {
            __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
            __glXClearErrorOccured();

            get_program_string(target, pname, (GLubyte *) answer);
        }

        if (__glXErrorOccured()) {
            __GLX_BEGIN_REPLY(0);
            __GLX_SEND_HEADER();
        }
        else {
            __GLX_BEGIN_REPLY(compsize);
            ((xGLXGetTexImageReply *) &__glXReply)->width = compsize;
            __GLX_SEND_HEADER();
            __GLX_SEND_VOID_ARRAY(compsize);
        }

        error = Success;
    }

    return error;
}
コード例 #4
0
int
__glXDisp_ReadPixels(__GLXclientState * cl, GLbyte * pc)
{
    GLsizei width, height;
    GLenum format, type;
    GLboolean swapBytes, lsbFirst;
    GLint compsize;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;
    char *answer, answerBuffer[200];

    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
    if (!cx) {
        return error;
    }

    pc += __GLX_SINGLE_HDR_SIZE;
    width = *(GLsizei *) (pc + 8);
    height = *(GLsizei *) (pc + 12);
    format = *(GLenum *) (pc + 16);
    type = *(GLenum *) (pc + 20);
    swapBytes = *(GLboolean *) (pc + 24);
    lsbFirst = *(GLboolean *) (pc + 25);
    compsize = __glReadPixels_size(format, type, width, height);
    if (compsize < 0)
        compsize = 0;

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_LSB_FIRST, lsbFirst));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    CALL_ReadPixels(GET_DISPATCH(), (*(GLint *) (pc + 0),
                                     *(GLint *) (pc + 4),
                                     *(GLsizei *) (pc + 8),
                                     *(GLsizei *) (pc + 12),
                                     *(GLenum *) (pc + 16),
                                     *(GLenum *) (pc + 20), answer));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SEND_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SEND_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }
    cx->hasUnflushedCommands = GL_FALSE;
    return Success;
}
コード例 #5
0
ファイル: singlepixswap.c プロジェクト: mirror/xserver
static int
GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize;
    GLenum format, type, target;
    GLboolean swapBytes, reset;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;

    __GLX_DECLARE_SWAP_VARIABLES;
    char *answer, answerBuffer[200];
    xGLXSingleReply reply = { 0, };

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);
    reset = *(GLboolean *) (pc + 13);

    compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
    if (compsize < 0)
        return BadLength;

    glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    glGetMinmax(target, reset, format, type, answer);

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }

    return Success;
}
コード例 #6
0
static int
GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize;
    GLenum format, type, target;
    GLboolean swapBytes, reset;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;
    char *answer, answerBuffer[200];

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);
    reset = *(GLboolean *) (pc + 13);

    compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1);
    if (compsize < 0)
        compsize = 0;

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    CALL_GetMinmax(GET_DISPATCH(), (target, reset, format, type, answer));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SEND_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SEND_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }

    return Success;
}
コード例 #7
0
static int
GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize, compsize2;
    GLenum format, type, target;
    GLboolean swapBytes;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;

    __GLX_DECLARE_SWAP_VARIABLES;
    char *answer, answerBuffer[200];
    GLint width = 0, height = 0;

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);

    /* target must be SEPARABLE_2D, however I guess we can let the GL
       barf on this one.... */

    CALL_GetConvolutionParameteriv(GET_DISPATCH(),
                                   (target, GL_CONVOLUTION_WIDTH, &width));
    CALL_GetConvolutionParameteriv(GET_DISPATCH(),
                                   (target, GL_CONVOLUTION_HEIGHT, &height));
    /*
     * The two queries above might fail if we're in a state where queries
     * are illegal, but then width and height would still be zero anyway.
     */
    compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1);
    compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1);

    if (compsize < 0)
        compsize = 0;
    if (compsize2 < 0)
        compsize2 = 0;
    compsize = __GLX_PAD(compsize);
    compsize2 = __GLX_PAD(compsize2);

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize + compsize2, 1);
    __glXClearErrorOccured();
    CALL_GetSeparableFilter(GET_DISPATCH(), (*(GLenum *) (pc + 0),
                                             *(GLenum *) (pc + 4),
                                             *(GLenum *) (pc + 8),
                                             answer, answer + compsize, NULL));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize + compsize2);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SWAP_INT(&width);
        __GLX_SWAP_INT(&height);
        ((xGLXGetSeparableFilterReply *) & __glXReply)->width = width;
        ((xGLXGetSeparableFilterReply *) & __glXReply)->height = height;
        __GLX_SEND_VOID_ARRAY(compsize + compsize2);
    }

    return Success;
}
コード例 #8
0
int
__glXDispSwap_GetTexImage(__GLXclientState * cl, GLbyte * pc)
{
    GLint level, compsize;
    GLenum format, type, target;
    GLboolean swapBytes;

    __GLX_DECLARE_SWAP_VARIABLES;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;
    char *answer, answerBuffer[200];
    GLint width = 0, height = 0, depth = 1;

    __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
    if (!cx) {
        return error;
    }

    pc += __GLX_SINGLE_HDR_SIZE;
    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);
    __GLX_SWAP_INT(pc + 12);

    level = *(GLint *) (pc + 4);
    format = *(GLenum *) (pc + 8);
    type = *(GLenum *) (pc + 12);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 16);

    CALL_GetTexLevelParameteriv(GET_DISPATCH(),
                                (target, level, GL_TEXTURE_WIDTH, &width));
    CALL_GetTexLevelParameteriv(GET_DISPATCH(),
                                (target, level, GL_TEXTURE_HEIGHT, &height));
    if (target == GL_TEXTURE_3D) {
        CALL_GetTexLevelParameteriv(GET_DISPATCH(),
                                    (target, level, GL_TEXTURE_DEPTH, &depth));
    }
    /*
     * The three queries above might fail if we're in a state where queries
     * are illegal, but then width, height, and depth would still be zero anyway.
     */
    compsize =
        __glGetTexImage_size(target, level, format, type, width, height, depth);
    if (compsize < 0)
        compsize = 0;

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, !swapBytes));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    CALL_GetTexImage(GET_DISPATCH(), (*(GLenum *) (pc + 0),
                                      *(GLint *) (pc + 4),
                                      *(GLenum *) (pc + 8),
                                      *(GLenum *) (pc + 12), answer));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SEND_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SWAP_INT(&width);
        __GLX_SWAP_INT(&height);
        __GLX_SWAP_INT(&depth);
        ((xGLXGetTexImageReply *) & __glXReply)->width = width;
        ((xGLXGetTexImageReply *) & __glXReply)->height = height;
        ((xGLXGetTexImageReply *) & __glXReply)->depth = depth;
        __GLX_SEND_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }
    return Success;
}
コード例 #9
0
ファイル: singlepixswap.c プロジェクト: mirror/xserver
int
__glXDispSwap_ReadPixels(__GLXclientState * cl, GLbyte * pc)
{
    GLsizei width, height;
    GLenum format, type;
    GLboolean swapBytes, lsbFirst;
    GLint compsize;

    __GLX_DECLARE_SWAP_VARIABLES;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;
    char *answer, answerBuffer[200];
    xGLXSingleReply reply = { 0, };

    REQUEST_FIXED_SIZE(xGLXSingleReq, 28);

    __GLX_SWAP_INT(&((xGLXSingleReq *) pc)->contextTag);
    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
    if (!cx) {
        return error;
    }

    pc += __GLX_SINGLE_HDR_SIZE;
    __GLX_SWAP_INT(pc + 0);
    __GLX_SWAP_INT(pc + 4);
    __GLX_SWAP_INT(pc + 8);
    __GLX_SWAP_INT(pc + 12);
    __GLX_SWAP_INT(pc + 16);
    __GLX_SWAP_INT(pc + 20);

    width = *(GLsizei *) (pc + 8);
    height = *(GLsizei *) (pc + 12);
    format = *(GLenum *) (pc + 16);
    type = *(GLenum *) (pc + 20);
    swapBytes = *(GLboolean *) (pc + 24);
    lsbFirst = *(GLboolean *) (pc + 25);
    compsize = __glReadPixels_size(format, type, width, height);
    if (compsize < 0)
        return BadLength;

    glPixelStorei(GL_PACK_SWAP_BYTES, !swapBytes);
    glPixelStorei(GL_PACK_LSB_FIRST, lsbFirst);
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    glReadPixels(*(GLint *) (pc + 0), *(GLint *) (pc + 4),
                 *(GLsizei *) (pc + 8), *(GLsizei *) (pc + 12),
                 *(GLenum *) (pc + 16), *(GLenum *) (pc + 20), answer);

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SEND_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        __GLX_SWAP_REPLY_HEADER();
        __GLX_SEND_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }
    return Success;
}
コード例 #10
0
static int
GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag)
{
    GLint compsize;
    GLenum format, type, target;
    GLboolean swapBytes;
    __GLXcontext *cx;
    ClientPtr client = cl->client;
    int error;
    char *answer, answerBuffer[200];
    GLint width = 0, height = 0;

    cx = __glXForceCurrent(cl, tag, &error);
    if (!cx) {
        return error;
    }

    format = *(GLenum *) (pc + 4);
    type = *(GLenum *) (pc + 8);
    target = *(GLenum *) (pc + 0);
    swapBytes = *(GLboolean *) (pc + 12);

    CALL_GetConvolutionParameteriv(GET_DISPATCH(),
                                   (target, GL_CONVOLUTION_WIDTH, &width));
    if (target == GL_CONVOLUTION_1D) {
        height = 1;
    }
    else {
        CALL_GetConvolutionParameteriv(GET_DISPATCH(),
                                       (target, GL_CONVOLUTION_HEIGHT,
                                        &height));
    }
    /*
     * The two queries above might fail if we're in a state where queries
     * are illegal, but then width and height would still be zero anyway.
     */
    compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1);
    if (compsize < 0)
        compsize = 0;

    CALL_PixelStorei(GET_DISPATCH(), (GL_PACK_SWAP_BYTES, swapBytes));
    __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1);
    __glXClearErrorOccured();
    CALL_GetConvolutionFilter(GET_DISPATCH(), (*(GLenum *) (pc + 0),
                                               *(GLenum *) (pc + 4),
                                               *(GLenum *) (pc + 8), answer));

    if (__glXErrorOccured()) {
        __GLX_BEGIN_REPLY(0);
        __GLX_SEND_HEADER();
    }
    else {
        __GLX_BEGIN_REPLY(compsize);
        ((xGLXGetConvolutionFilterReply *) & __glXReply)->width = width;
        ((xGLXGetConvolutionFilterReply *) & __glXReply)->height = height;
        __GLX_SEND_HEADER();
        __GLX_SEND_VOID_ARRAY(compsize);
    }

    return Success;
}